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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Heat wave in Australia, 15 to 28 September 2026

Heat wave in Australia, 15 to 28 September 2026: 207 records at 56 stations, peak on 17 September 2026. Closed.

Data as of . Last revised (2026-10-17).

Key Facts

  • Heat wave in Australia, 15 to 28 September 2026 set or tied 207 station records at 56 stations.
  • It ran from 15 September 2026 to 28 September 2026 (14 days) and its peak day was 17 September 2026.
  • Status: closed.
  • Esperance Post Office set a daily record high minimum temperature of 18.0 C (64.4 F) on 18 September 2026 (provisional).
  • The busiest day was 17 September 2026 with 69 records.
  • The oldest broken record in the ranked list had stood for 112 years.

Footprint

15 to 28 September 2026
Footprint of Heat wave in Australia, 15 to 28 September 2026 The area covered by Heat wave in Australia, 15 to 28 September 2026 is outlined, with 14 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 15 to 28 September 2026 is outlined, with 14 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 15 to 28 September 2026: stations that set records in the event
StationTypeValueDate
Esperance Post OfficeRecord high minimum temperature18.0 C (64.4 F)2026-09-18
NorthamRecord high maximum temperature33.0 C (91.4 F)2026-09-17
Mount BarkerRecord high maximum temperature29.0 C (84.2 F)2026-09-17
NarroginRecord high minimum temperature18.0 C (64.4 F)2026-09-17
AlbanyRecord high maximum temperature27.5 C (81.5 F)2026-09-18
KellerberrinRecord high maximum temperature32.0 C (89.6 F)2026-09-17
Perth AirportRecord high maximum temperature30.9 C (87.6 F)2026-09-16
Salmon Gums Res.STN.Record high maximum temperature36.3 C (97.3 F)2026-09-18
DonnybrookRecord high maximum temperature30.0 C (86.0 F)2026-09-16
OngerupRecord high minimum temperature18.0 C (64.4 F)2026-09-16
Windy HarbourRecord high maximum temperature27.5 C (81.5 F)2026-09-17
Meekatharra AirportRecord high minimum temperature20.8 C (69.4 F)2026-09-22
Cape NaturalisteRecord high minimum temperature17.2 C (63.0 F)2026-09-17
Cape LeeuwinRecord high maximum temperature22.6 C (72.7 F)2026-09-17
RavensthorpeRecord high maximum temperature34.5 C (94.1 F)2026-09-24
KarnetRecord high minimum temperature19.2 C (66.6 F)2026-09-17
JarrahwoodRecord high maximum temperature28.4 C (83.1 F)2026-09-16
BeverleyRecord high minimum temperature18.6 C (65.5 F)2026-09-17
Dalwallinu ComparisonRecord high minimum temperature15.2 C (59.4 F)2026-09-24
Pearce RaafRecord high minimum temperature16.9 C (62.4 F)2026-09-16
MullewaRecord high minimum temperature15.9 C (60.6 F)2026-09-17
ManjimupRecord high maximum temperature27.2 C (81.0 F)2026-09-16
WaginRecord high minimum temperature13.5 C (56.3 F)2026-09-18
Rottnest IslandRecord high maximum temperature27.8 C (82.0 F)2026-09-16
DwellingupRecord high maximum temperature28.1 C (82.6 F)2026-09-16
Esperance AeroRecord high minimum temperature16.3 C (61.3 F)2026-09-19
BrooktonRecord high maximum temperature29.4 C (84.9 F)2026-09-16
Rocky GullyRecord high maximum temperature29.1 C (84.4 F)2026-09-17
JacupRecord high minimum temperature14.5 C (58.1 F)2026-09-17
Wongan HillsRecord high minimum temperature15.1 C (59.2 F)2026-09-19
MardieRecord high minimum temperature22.8 C (73.0 F)2026-09-17
MurchisonRecord high minimum temperature22.5 C (72.5 F)2026-09-18
Newdegate Research StationRecord high minimum temperature15.4 C (59.7 F)2026-09-18
Kalgoorlie-Boulder AirportRecord high minimum temperature19.4 C (66.9 F)2026-09-19
YorkRecord high maximum temperature33.0 C (91.4 F)2026-09-17
Badgingarra Research STNRecord high minimum temperature13.9 C (57.0 F)2026-09-16
CorriginRecord high maximum temperature28.0 C (82.4 F)2026-09-16
BickleyRecord high minimum temperature17.1 C (62.8 F)2026-09-17
Paynes FindRecord high minimum temperature19.3 C (66.7 F)2026-09-17
BunburyRecord high maximum temperature27.4 C (81.3 F)2026-09-16
Hopetoun NorthRecord high minimum temperature17.2 C (63.0 F)2026-09-18
Paraburdoo AeroRecord high minimum temperature24.0 C (75.2 F)2026-09-22
Jandakot AeroRecord high maximum temperature28.6 C (83.5 F)2026-09-18
SwanbourneRecord high minimum temperature19.1 C (66.4 F)2026-09-17
Onslow AirportRecord high minimum temperature22.4 C (72.3 F)2026-09-17
Perth MetroRecord high maximum temperature28.9 C (84.0 F)2026-09-18
Jurien BayRecord high minimum temperature17.3 C (63.1 F)2026-09-19
Leinster AeroRecord high minimum temperature20.1 C (68.2 F)2026-09-19
MerredinRecord high minimum temperature13.4 C (56.1 F)2026-09-16
HydenRecord high minimum temperature12.2 C (54.0 F)2026-09-16
Gingin AeroRecord high maximum temperature31.1 C (88.0 F)2026-09-17
Mount Magnet AeroRecord high maximum temperature32.8 C (91.0 F)2026-09-21
Karratha AeroRecord high minimum temperature23.2 C (73.8 F)2026-09-28

Records per Day

Peak day 69
Records per day during Heat wave in Australia, 15 to 28 September 2026 Records set or tied each day from 15 September 2026 to 28 September 2026. The most in one day was 69 on 17 September 2026. 0 20 40 60 80 09-1509-1709-1909-2209-2409-26
Records set or tied each day from 15 September 2026 to 28 September 2026. The most in one day was 69 on 17 September 2026.
Records per day during Heat wave in Australia, 15 to 28 September 2026
DateRecords
2026-09-152
2026-09-1646
2026-09-1769
2026-09-1851
2026-09-1919
2026-09-215
2026-09-223
2026-09-234
2026-09-242
2026-09-254
2026-09-261
2026-09-281

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 15 to 28 September 2026 ranked by margin
Salmon Gums Res.STN., 09-187.3 C (13.1 F)
Windy Harbour, 09-176.7 C (12.1 F)
Ongerup, 09-165.0 C (9.0 F)
Ongerup, 09-174.9 C (8.8 F)
Donnybrook, 09-164.7 C (8.5 F)
Salmon Gums Res.STN., 09-184.5 C (8.1 F)
Albany, 09-183.6 C (6.5 F)
Esperance Post Office, 09-173.5 C (6.3 F)
Esperance Post Office, 09-183.0 C (5.4 F)
Northam, 09-173.0 C (5.4 F)
Cape Naturaliste, 09-172.8 C (5.0 F)
Narrogin, 09-172.5 C (4.5 F)
Mount Barker, 09-172.2 C (4.0 F)
Perth Airport, 09-162.1 C (3.8 F)
Meekatharra Airport, 09-221.9 C (3.4 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

Margin against age of the broken record in Heat wave in Australia, 15 to 28 September 2026 207 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 30 60 90 120 0.02.04.06.08.0 Margin (C) Years the old record stood
207 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Heat wave in Australia, 15 to 28 September 2026
Margin (C)Years the old record stood
3.0100
3.0109
2.2100
1.3112
3.671
3.569
2.549
0.396
2.181
1.475
7.343
4.739
0.581
5.039
1.969
6.71
4.932
2.843
4.539
1.052
3.011
3.539
3.415
1.452
2.637
0.552
3.229
4.213
1.844
0.837
2.439
3.817
1.739
1.752
4.57
2.039
3.427
0.549
2.624
3.97
1.719
4.713
2.439
2.437
3.529
3.75
2.014
1.737
1.632
0.456
4.613
1.049
2.037
1.120
4.28
1.037
0.739
2.213
3.712
0.239
5.013
1.332
0.215
1.432
4.01
0.637
0.837
3.213
0.211
0.839
2.624
2.116
1.439
0.939
0.92
0.839
3.213
1.728
3.68
2.713
0.349
0.149
1.011
3.113
1.813
0.637
2.413
3.813
1.037
0.724
0.539
0.913
3.08
3.97
2.713
1.911
0.939
3.213
2.113
3.013
0.311
3.312
2.91
3.98
1.08
1.013
4.18
3.511
1.328
3.28
4.01
1.220
0.111
0.239
0.437
0.337
0.829
1.632
2.11
1.38
1.120
1.513
3.013
0.913
3.113
0.832
0.124
0.429
1.313
2.98
0.113
1.128
0.629
1.824
3.312
0.98
1.88
3.20
0.913
2.013
1.220
3.03
1.517
3.07
0.520
1.613
1.511
2.38
3.011
1.513
1.713
2.212
2.111
0.413
2.112
0.429
0.724
2.24
0.229
2.011
3.01
0.91
0.520
0.812
1.37
0.120
0.913
1.57
2.77
0.523
1.113
2.111
2.21
1.313
0.319
1.012
0.613
1.55
1.212
0.419
0.121
1.81
1.28
1.111
0.90
0.21
0.317
0.217
0.77
0.13
0.68
0.68
0.54
0.412
0.313
0.113
1.07
0.212
1.21
0.111

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 15 to 28 September 2026 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in Australia, 15 to 28 September 2026 (this event)207 records

Every Record Set

201 of 207
Every record set or tied during Heat wave in Australia, 15 to 28 September 2026, in date order
DateStationRecordValueMarginYears stoodSignificance
2026-09-15Esperance Post OfficeRecord high minimum temperature (provisional)14.8 C (58.6 F)1.4 C (2.5 F)7537 of 100 (Notable)
2026-09-16Esperance Post OfficeRecord high minimum temperature (provisional)15.4 C (59.7 F)1.3 C (2.3 F)11244 of 100 (Notable)
2026-09-16Perth AirportRecord high maximum temperature (provisional)30.9 C (87.6 F)2.1 C (3.8 F)8138 of 100 (Notable)
2026-09-16DonnybrookRecord high maximum temperature (provisional)30.0 C (86.0 F)4.7 C (8.5 F)3936 of 100 (Notable)
2026-09-16OngerupRecord high minimum temperature (provisional)18.0 C (64.4 F)5.0 C (9.0 F)3934 of 100 (Routine)
2026-09-16JarrahwoodRecord high maximum temperature (provisional)28.4 C (83.1 F)3.5 C (6.3 F)3928 of 100 (Routine)
2026-09-16Pearce RaafRecord high minimum temperature (provisional)16.9 C (62.4 F)3.2 C (5.8 F)2926 of 100 (Routine)
2026-09-16KarnetRecord high minimum temperature (provisional)14.8 C (58.6 F)1.8 C (3.2 F)4425 of 100 (Routine)
2026-09-16ManjimupRecord high maximum temperature (provisional)27.2 C (81.0 F)2.4 C (4.3 F)3925 of 100 (Routine)
2026-09-16Windy HarbourRecord high maximum temperature (provisional)25.0 C (77.0 F)3.8 C (6.8 F)1725 of 100 (Routine)
2026-09-16NarroginRecord high maximum temperature (provisional)27.7 C (81.9 F)1.7 C (3.1 F)3925 of 100 (Routine)
2026-09-16Rottnest IslandRecord high maximum temperature (provisional)27.8 C (82.0 F)4.5 C (8.1 F)724 of 100 (Routine)
2026-09-16DwellingupRecord high maximum temperature (provisional)28.1 C (82.6 F)2.0 C (3.6 F)3924 of 100 (Routine)
2026-09-16BrooktonRecord high maximum temperature (provisional)29.4 C (84.9 F)2.4 C (4.3 F)3923 of 100 (Routine)
2026-09-16Perth AirportRecord high minimum temperature (provisional)16.1 C (61.0 F)1.6 C (2.9 F)3222 of 100 (Routine)
2026-09-16OngerupRecord high maximum temperature (provisional)27.9 C (82.2 F)1.0 C (1.8 F)4922 of 100 (Routine)
2026-09-16Pearce RaafRecord high maximum temperature (provisional)30.3 C (86.5 F)0.7 C (1.3 F)3921 of 100 (Routine)
2026-09-16NorthamRecord high maximum temperature (provisional)30.2 C (86.4 F)0.2 C (0.4 F)3921 of 100 (Routine)
2026-09-16Badgingarra Research STNRecord high minimum temperature (provisional)13.9 C (57.0 F)1.4 C (2.5 F)3220 of 100 (Routine)
2026-09-16CorriginRecord high maximum temperature (provisional)28.0 C (82.4 F)0.8 C (1.4 F)3920 of 100 (Routine)
2026-09-16Wongan HillsRecord high maximum temperature (provisional)31.1 C (88.0 F)0.9 C (1.6 F)3919 of 100 (Routine)
2026-09-16KarnetRecord high maximum temperature (provisional)27.5 C (81.5 F)0.5 C (0.9 F)3918 of 100 (Routine)
2026-09-16BunburyRecord high maximum temperature (provisional)27.4 C (81.3 F)2.7 C (4.9 F)1318 of 100 (Routine)
2026-09-16WaginRecord high maximum temperature (provisional)27.3 C (81.1 F)0.9 C (1.6 F)3918 of 100 (Routine)
2026-09-16Rocky GullyRecord high maximum temperature (provisional)26.2 C (79.2 F)4.1 C (7.4 F)817 of 100 (Routine)
2026-09-16Paraburdoo AeroRecord high minimum temperature (provisional)23.0 C (73.4 F)4.0 C (7.2 F)116 of 100 (Routine)
2026-09-16Rottnest IslandRecord high minimum temperature (provisional)17.0 C (62.6 F)1.2 C (2.2 F)2016 of 100 (Routine)
2026-09-16BrooktonRecord high minimum temperature (provisional)12.4 C (54.3 F)0.8 C (1.4 F)2916 of 100 (Routine)
2026-09-16MardieRecord high minimum temperature (provisional)22.1 C (71.8 F)2.1 C (3.8 F)115 of 100 (Routine)
2026-09-16Wongan HillsRecord high minimum temperature (provisional)14.6 C (58.3 F)1.1 C (2.0 F)2015 of 100 (Routine)
2026-09-16BickleyRecord high maximum temperature (provisional)27.8 C (82.0 F)3.0 C (5.4 F)1315 of 100 (Routine)
2026-09-16YorkRecord high maximum temperature (provisional)31.1 C (88.0 F)3.1 C (5.6 F)1315 of 100 (Routine)
2026-09-16Jandakot AeroRecord high maximum temperature (provisional)30.1 C (86.2 F)2.0 C (3.6 F)1313 of 100 (Routine)
2026-09-16SwanbourneRecord high minimum temperature (provisional)16.6 C (61.9 F)1.2 C (2.2 F)2013 of 100 (Routine)
2026-09-16MerredinRecord high minimum temperature (provisional)13.4 C (56.1 F)0.5 C (0.9 F)2013 of 100 (Routine)
2026-09-16SwanbourneRecord high maximum temperature (provisional)30.7 C (87.3 F)1.5 C (2.7 F)1312 of 100 (Routine)
2026-09-16Perth MetroRecord high maximum temperature (provisional)30.3 C (86.5 F)1.7 C (3.1 F)1312 of 100 (Routine)
2026-09-16HydenRecord high minimum temperature (provisional)12.2 C (54.0 F)0.1 C (0.2 F)2011 of 100 (Routine)
2026-09-16Gingin AeroRecord high maximum temperature (provisional)30.8 C (87.4 F)1.3 C (2.3 F)1310 of 100 (Routine)
2026-09-16BeverleyRecord high maximum temperature (provisional)30.2 C (86.4 F)0.6 C (1.1 F)1310 of 100 (Routine)
2026-09-16MurchisonRecord high minimum temperature (provisional)19.0 C (66.2 F)1.2 C (2.2 F)129 of 100 (Routine)
2026-09-16Hopetoun NorthRecord high maximum temperature (provisional)28.9 C (84.0 F)0.2 C (0.4 F)178 of 100 (Routine)
2026-09-16Jandakot AeroRecord high minimum temperature (provisional)14.7 C (58.5 F)0.4 C (0.7 F)34 of 100 (Routine)
2026-09-16Perth MetroRecord high minimum temperature (provisional)15.4 C (59.7 F)0.6 C (1.1 F)34 of 100 (Routine)
2026-09-16MurchisonRecord high maximum temperature (tie) (provisional)35.6 C (96.1 F)tie313 of 100 (Routine)
2026-09-17NorthamRecord high maximum temperature (provisional)33.0 C (91.4 F)3.0 C (5.4 F)10948 of 100 (Notable)
2026-09-17Mount BarkerRecord high maximum temperature (provisional)29.0 C (84.2 F)2.2 C (4.0 F)10046 of 100 (Notable)
2026-09-17Esperance Post OfficeRecord high minimum temperature (provisional)17.9 C (64.2 F)3.5 C (6.3 F)6942 of 100 (Notable)
2026-09-17NarroginRecord high minimum temperature (provisional)18.0 C (64.4 F)2.5 C (4.5 F)4942 of 100 (Notable)
2026-09-17KellerberrinRecord high maximum temperature (provisional)32.0 C (89.6 F)0.3 C (0.5 F)9639 of 100 (Notable)
2026-09-17DonnybrookRecord high minimum temperature (provisional)15.2 C (59.4 F)0.5 C (0.9 F)8135 of 100 (Notable)
2026-09-17Windy HarbourRecord high maximum temperature (provisional)27.5 C (81.5 F)6.7 C (12.1 F)132 of 100 (Routine)
2026-09-17OngerupRecord high minimum temperature (provisional)16.5 C (61.7 F)4.9 C (8.8 F)3232 of 100 (Routine)
2026-09-17Cape NaturalisteRecord high minimum temperature (provisional)17.2 C (63.0 F)2.8 C (5.0 F)4331 of 100 (Routine)
2026-09-17Cape LeeuwinRecord high maximum temperature (provisional)22.6 C (72.7 F)1.0 C (1.8 F)5230 of 100 (Routine)
2026-09-17KarnetRecord high minimum temperature (provisional)19.2 C (66.6 F)3.0 C (5.4 F)1129 of 100 (Routine)
2026-09-17BeverleyRecord high minimum temperature (provisional)18.6 C (65.5 F)3.4 C (6.1 F)1528 of 100 (Routine)
2026-09-17Perth AirportRecord high minimum temperature (provisional)18.2 C (64.8 F)1.4 C (2.5 F)5227 of 100 (Routine)
2026-09-17MullewaRecord high minimum temperature (provisional)15.9 C (60.6 F)0.5 C (0.9 F)5226 of 100 (Routine)
2026-09-17NarroginRecord high maximum temperature (provisional)31.6 C (88.9 F)4.2 C (7.6 F)1326 of 100 (Routine)
2026-09-17Salmon Gums Res.STN.Record high maximum temperature (provisional)32.3 C (90.1 F)0.5 C (0.9 F)4924 of 100 (Routine)
2026-09-17Rocky GullyRecord high maximum temperature (provisional)29.1 C (84.4 F)1.7 C (3.1 F)1923 of 100 (Routine)
2026-09-17BrooktonRecord high maximum temperature (provisional)32.4 C (90.3 F)4.7 C (8.5 F)1323 of 100 (Routine)
2026-09-17JacupRecord high minimum temperature (provisional)14.5 C (58.1 F)3.5 C (6.3 F)2923 of 100 (Routine)
2026-09-17MardieRecord high minimum temperature (provisional)22.8 C (73.0 F)3.7 C (6.7 F)522 of 100 (Routine)
2026-09-17BeverleyRecord high maximum temperature (provisional)33.2 C (91.8 F)4.6 C (8.3 F)1322 of 100 (Routine)
2026-09-17YorkRecord high maximum temperature (provisional)33.0 C (91.4 F)5.0 C (9.0 F)1321 of 100 (Routine)
2026-09-17Badgingarra Research STNRecord high minimum temperature (provisional)17.5 C (63.5 F)0.2 C (0.4 F)1520 of 100 (Routine)
2026-09-17Pearce RaafRecord high maximum temperature (provisional)31.2 C (88.2 F)4.0 C (7.2 F)120 of 100 (Routine)
2026-09-17ManjimupRecord high maximum temperature (provisional)27.8 C (82.0 F)3.2 C (5.8 F)1320 of 100 (Routine)
2026-09-17ManjimupRecord high minimum temperature (provisional)15.7 C (60.3 F)0.2 C (0.4 F)1120 of 100 (Routine)
2026-09-17Paynes FindRecord high minimum temperature (provisional)19.3 C (66.7 F)1.4 C (2.5 F)3919 of 100 (Routine)
2026-09-17Wongan HillsRecord high minimum temperature (provisional)21.0 C (69.8 F)0.9 C (1.6 F)219 of 100 (Routine)
2026-09-17Badgingarra Research STNRecord high maximum temperature (provisional)28.7 C (83.7 F)0.8 C (1.4 F)3919 of 100 (Routine)
2026-09-17KarnetRecord high maximum temperature (provisional)27.5 C (81.5 F)3.2 C (5.8 F)1319 of 100 (Routine)
2026-09-17BickleyRecord high minimum temperature (provisional)17.1 C (62.8 F)3.6 C (6.5 F)819 of 100 (Routine)
2026-09-17DwellingupRecord high maximum temperature (provisional)27.8 C (82.0 F)2.7 C (4.9 F)1319 of 100 (Routine)
2026-09-17Rocky GullyRecord high minimum temperature (provisional)17.2 C (63.0 F)1.0 C (1.8 F)1119 of 100 (Routine)
2026-09-17CorriginRecord high maximum temperature (provisional)32.0 C (89.6 F)3.1 C (5.6 F)1319 of 100 (Routine)
2026-09-17MurchisonRecord high minimum temperature (provisional)19.8 C (67.6 F)3.8 C (6.8 F)1318 of 100 (Routine)
2026-09-17MullewaRecord high maximum temperature (provisional)34.5 C (94.1 F)0.7 C (1.3 F)2418 of 100 (Routine)
2026-09-17DwellingupRecord high minimum temperature (provisional)16.4 C (61.5 F)3.0 C (5.4 F)818 of 100 (Routine)
2026-09-17Wongan HillsRecord high maximum temperature (provisional)32.8 C (91.0 F)3.3 C (5.9 F)1217 of 100 (Routine)
2026-09-17Perth AirportRecord high maximum temperature (provisional)30.7 C (87.3 F)2.9 C (5.2 F)117 of 100 (Routine)
2026-09-17DonnybrookRecord high maximum temperature (provisional)28.0 C (82.4 F)1.0 C (1.8 F)1317 of 100 (Routine)
2026-09-17WaginRecord high minimum temperature (provisional)15.0 C (59.0 F)3.2 C (5.8 F)817 of 100 (Routine)
2026-09-17SwanbourneRecord high minimum temperature (provisional)19.1 C (66.4 F)0.1 C (0.2 F)1116 of 100 (Routine)
2026-09-17Onslow AirportRecord high minimum temperature (provisional)22.4 C (72.3 F)1.3 C (2.3 F)815 of 100 (Routine)
2026-09-17Meekatharra AirportRecord high maximum temperature (provisional)34.5 C (94.1 F)0.1 C (0.2 F)2414 of 100 (Routine)
2026-09-17Rottnest IslandRecord high minimum temperature (provisional)18.2 C (64.8 F)1.3 C (2.3 F)1314 of 100 (Routine)
2026-09-17Hopetoun NorthRecord high maximum temperature (provisional)33.9 C (93.0 F)3.0 C (5.4 F)713 of 100 (Routine)
2026-09-17Hopetoun NorthRecord high minimum temperature (provisional)15.0 C (59.0 F)1.5 C (2.7 F)1713 of 100 (Routine)
2026-09-17MerredinRecord high maximum temperature (provisional)32.1 C (89.8 F)1.6 C (2.9 F)1313 of 100 (Routine)
2026-09-17BickleyRecord high maximum temperature (provisional)27.7 C (81.9 F)2.2 C (4.0 F)1212 of 100 (Routine)
2026-09-17BunburyRecord high minimum temperature (provisional)15.2 C (59.4 F)0.4 C (0.7 F)2912 of 100 (Routine)
2026-09-17MurchisonRecord high maximum temperature (provisional)35.6 C (96.1 F)0.7 C (1.3 F)2411 of 100 (Routine)
2026-09-17Gingin AeroRecord high maximum temperature (provisional)31.1 C (88.0 F)3.0 C (5.4 F)111 of 100 (Routine)
2026-09-17Esperance AeroRecord high minimum temperature (provisional)13.6 C (56.5 F)0.5 C (0.9 F)2011 of 100 (Routine)
2026-09-17MerredinRecord high minimum temperature (provisional)17.4 C (63.3 F)1.3 C (2.3 F)711 of 100 (Routine)
2026-09-17RavensthorpeRecord high maximum temperature (provisional)32.0 C (89.6 F)1.5 C (2.7 F)711 of 100 (Routine)
2026-09-17JacupRecord high maximum temperature (provisional)32.9 C (91.2 F)2.7 C (4.9 F)711 of 100 (Routine)
2026-09-17Jandakot AeroRecord high maximum temperature (provisional)29.5 C (85.1 F)2.2 C (4.0 F)110 of 100 (Routine)
2026-09-17JarrahwoodRecord high minimum temperature (provisional)12.7 C (54.9 F)0.3 C (0.5 F)1910 of 100 (Routine)
2026-09-17Karratha AeroRecord high minimum temperature (provisional)23.8 C (74.8 F)1.5 C (2.7 F)59 of 100 (Routine)
2026-09-17SwanbourneRecord high maximum temperature (provisional)27.1 C (80.8 F)1.8 C (3.2 F)19 of 100 (Routine)
2026-09-17HydenRecord high maximum temperature (provisional)31.7 C (89.1 F)0.7 C (1.3 F)78 of 100 (Routine)
2026-09-17Jandakot AeroRecord high minimum temperature (provisional)16.9 C (62.4 F)0.3 C (0.5 F)137 of 100 (Routine)
2026-09-17Esperance AeroRecord high maximum temperature (provisional)29.9 C (85.8 F)1.0 C (1.8 F)77 of 100 (Routine)
2026-09-17Mount Magnet AeroRecord high minimum temperature (provisional)18.6 C (65.5 F)0.2 C (0.4 F)126 of 100 (Routine)
2026-09-17Perth MetroRecord high maximum temperature (provisional)29.5 C (85.1 F)1.2 C (2.2 F)16 of 100 (Routine)
2026-09-17Perth MetroRecord high minimum temperature (tie) (provisional)18.2 C (64.8 F)tie154 of 100 (Routine)
2026-09-17BunburyRecord high maximum temperature (tie) (provisional)24.8 C (76.6 F)tie131 of 100 (Routine)
2026-09-18Esperance Post OfficeRecord high minimum temperature (provisional)18.0 C (64.4 F)3.0 C (5.4 F)10050 of 100 (Notable)
2026-09-18AlbanyRecord high maximum temperature (provisional)27.5 C (81.5 F)3.6 C (6.5 F)7142 of 100 (Notable)
2026-09-18Salmon Gums Res.STN.Record high maximum temperature (provisional)36.3 C (97.3 F)7.3 C (13.1 F)4337 of 100 (Notable)
2026-09-18Salmon Gums Res.STN.Record high minimum temperature (provisional)18.3 C (64.9 F)4.5 C (8.1 F)3931 of 100 (Routine)
2026-09-18WaginRecord high minimum temperature (provisional)13.5 C (56.3 F)1.7 C (3.1 F)5225 of 100 (Routine)
2026-09-18WaginRecord high maximum temperature (provisional)28.5 C (83.3 F)2.4 C (4.3 F)3723 of 100 (Routine)
2026-09-18MurchisonRecord high minimum temperature (provisional)22.5 C (72.5 F)2.0 C (3.6 F)1422 of 100 (Routine)
2026-09-18OngerupRecord high maximum temperature (provisional)28.0 C (82.4 F)2.0 C (3.6 F)3722 of 100 (Routine)
2026-09-18Newdegate Research StationRecord high minimum temperature (provisional)15.4 C (59.7 F)1.1 C (2.0 F)2022 of 100 (Routine)
2026-09-18Esperance AeroRecord high minimum temperature (provisional)15.9 C (60.6 F)3.7 C (6.7 F)1221 of 100 (Routine)
2026-09-18Meekatharra AirportRecord high minimum temperature (provisional)21.2 C (70.2 F)1.3 C (2.3 F)3220 of 100 (Routine)
2026-09-18ManjimupRecord high maximum temperature (provisional)24.3 C (75.7 F)0.8 C (1.4 F)3720 of 100 (Routine)
2026-09-18Kalgoorlie-Boulder AirportRecord high maximum temperature (provisional)34.8 C (94.6 F)2.6 C (4.7 F)2420 of 100 (Routine)
2026-09-18MardieRecord high minimum temperature (provisional)20.5 C (68.9 F)2.1 C (3.8 F)1619 of 100 (Routine)
2026-09-18Rottnest IslandRecord high maximum temperature (provisional)23.4 C (74.1 F)1.7 C (3.1 F)2819 of 100 (Routine)
2026-09-18NarroginRecord high minimum temperature (provisional)13.9 C (57.0 F)1.8 C (3.2 F)1319 of 100 (Routine)
2026-09-18Paynes FindRecord high maximum temperature (provisional)34.2 C (93.6 F)1.0 C (1.8 F)3718 of 100 (Routine)
2026-09-18Hopetoun NorthRecord high minimum temperature (provisional)17.2 C (63.0 F)3.9 C (7.0 F)718 of 100 (Routine)
2026-09-18NarroginRecord high maximum temperature (provisional)28.5 C (83.3 F)1.9 C (3.4 F)1118 of 100 (Routine)
2026-09-18JacupRecord high minimum temperature (provisional)15.0 C (59.0 F)3.2 C (5.8 F)1318 of 100 (Routine)
2026-09-18Kalgoorlie-Boulder AirportRecord high minimum temperature (provisional)19.0 C (66.2 F)2.1 C (3.8 F)1318 of 100 (Routine)
2026-09-18Paynes FindRecord high minimum temperature (provisional)19.8 C (67.6 F)3.0 C (5.4 F)1317 of 100 (Routine)
2026-09-18Jandakot AeroRecord high maximum temperature (provisional)28.6 C (83.5 F)3.9 C (7.0 F)817 of 100 (Routine)
2026-09-18RavensthorpeRecord high maximum temperature (provisional)32.0 C (89.6 F)3.5 C (6.3 F)1117 of 100 (Routine)
2026-09-18Windy HarbourRecord high maximum temperature (provisional)26.2 C (79.2 F)0.4 C (0.7 F)3716 of 100 (Routine)
2026-09-18BeverleyRecord high maximum temperature (provisional)30.4 C (86.7 F)0.3 C (0.5 F)3716 of 100 (Routine)
2026-09-18Wongan HillsRecord high minimum temperature (provisional)17.0 C (62.6 F)1.5 C (2.7 F)1315 of 100 (Routine)
2026-09-18Perth MetroRecord high maximum temperature (provisional)28.9 C (84.0 F)2.9 C (5.2 F)814 of 100 (Routine)
2026-09-18KellerberrinRecord high minimum temperature (provisional)14.1 C (57.4 F)0.1 C (0.2 F)1314 of 100 (Routine)
2026-09-18BeverleyRecord high minimum temperature (provisional)14.0 C (57.2 F)0.6 C (1.1 F)2914 of 100 (Routine)
2026-09-18Meekatharra AirportRecord high maximum temperature (provisional)35.1 C (95.2 F)1.8 C (3.2 F)813 of 100 (Routine)
2026-09-18KarnetRecord high minimum temperature (provisional)14.7 C (58.5 F)0.9 C (1.6 F)1313 of 100 (Routine)
2026-09-18BrooktonRecord high maximum temperature (provisional)29.6 C (85.3 F)1.5 C (2.7 F)1113 of 100 (Routine)
2026-09-18JacupRecord high maximum temperature (provisional)30.9 C (87.6 F)3.0 C (5.4 F)1113 of 100 (Routine)
2026-09-18BickleyRecord high maximum temperature (provisional)26.3 C (79.3 F)2.1 C (3.8 F)1112 of 100 (Routine)
2026-09-18DwellingupRecord high minimum temperature (provisional)13.2 C (55.8 F)0.4 C (0.7 F)1312 of 100 (Routine)
2026-09-18Rocky GullyRecord high maximum temperature (provisional)24.6 C (76.3 F)2.1 C (3.8 F)1212 of 100 (Routine)
2026-09-18Gingin AeroRecord high maximum temperature (provisional)29.6 C (85.3 F)2.0 C (3.6 F)1111 of 100 (Routine)
2026-09-18MerredinRecord high minimum temperature (provisional)16.3 C (61.3 F)0.8 C (1.4 F)1211 of 100 (Routine)
2026-09-18HydenRecord high minimum temperature (provisional)14.6 C (58.3 F)0.9 C (1.6 F)1311 of 100 (Routine)
2026-09-18Mount Magnet AeroRecord high maximum temperature (provisional)34.6 C (94.3 F)2.1 C (3.8 F)1110 of 100 (Routine)
2026-09-18Mount Magnet AeroRecord high minimum temperature (provisional)19.2 C (66.6 F)1.1 C (2.0 F)1310 of 100 (Routine)
2026-09-18BunburyRecord high maximum temperature (provisional)23.2 C (73.8 F)1.0 C (1.8 F)1210 of 100 (Routine)
2026-09-18SwanbourneRecord high maximum temperature (provisional)24.7 C (76.5 F)1.2 C (2.2 F)89 of 100 (Routine)
2026-09-18YorkRecord high maximum temperature (provisional)30.6 C (87.1 F)1.1 C (2.0 F)119 of 100 (Routine)
2026-09-18Esperance AeroRecord high maximum temperature (provisional)26.9 C (80.4 F)0.1 C (0.2 F)116 of 100 (Routine)
2026-09-19Esperance AeroRecord high minimum temperature (provisional)16.3 C (61.3 F)3.4 C (6.1 F)2724 of 100 (Routine)
2026-09-19Wongan HillsRecord high minimum temperature (provisional)15.1 C (59.2 F)1.7 C (3.1 F)3722 of 100 (Routine)
2026-09-19BeverleyRecord high minimum temperature (provisional)13.0 C (55.4 F)0.4 C (0.7 F)5622 of 100 (Routine)
2026-09-19Kalgoorlie-Boulder AirportRecord high minimum temperature (provisional)19.4 C (66.9 F)4.2 C (7.6 F)822 of 100 (Routine)
2026-09-19Salmon Gums Res.STN.Record high minimum temperature (provisional)16.0 C (60.8 F)1.0 C (1.8 F)3722 of 100 (Routine)
2026-09-19OngerupRecord high minimum temperature (provisional)12.0 C (53.6 F)0.6 C (1.1 F)3719 of 100 (Routine)
2026-09-19AlbanyRecord high minimum temperature (provisional)14.6 C (58.3 F)0.9 C (1.6 F)1318 of 100 (Routine)
2026-09-19WaginRecord high minimum temperature (provisional)12.5 C (54.5 F)1.3 C (2.3 F)2817 of 100 (Routine)
2026-09-19Jurien BayRecord high minimum temperature (provisional)17.3 C (63.1 F)0.4 C (0.7 F)2914 of 100 (Routine)
2026-09-19YorkRecord high minimum temperature (provisional)12.6 C (54.7 F)1.1 C (2.0 F)2814 of 100 (Routine)
2026-09-19Leinster AeroRecord high minimum temperature (provisional)20.1 C (68.2 F)3.3 C (5.9 F)1214 of 100 (Routine)
2026-09-19Hopetoun NorthRecord high minimum temperature (provisional)15.3 C (59.5 F)3.0 C (5.4 F)313 of 100 (Routine)
2026-09-19JacupRecord high minimum temperature (provisional)11.9 C (53.4 F)2.3 C (4.1 F)813 of 100 (Routine)
2026-09-19SwanbourneRecord high minimum temperature (provisional)14.8 C (58.6 F)0.1 C (0.2 F)219 of 100 (Routine)
2026-09-19Jandakot AeroRecord high minimum temperature (provisional)14.8 C (58.6 F)0.3 C (0.5 F)178 of 100 (Routine)
2026-09-19Gingin AeroRecord high minimum temperature (provisional)13.2 C (55.8 F)0.1 C (0.2 F)137 of 100 (Routine)
2026-09-19Newdegate Research StationRecord high minimum temperature (provisional)11.9 C (53.4 F)1.2 C (2.2 F)36 of 100 (Routine)
2026-09-21MurchisonRecord high minimum temperature (provisional)17.7 C (63.9 F)0.8 C (1.4 F)3214 of 100 (Routine)
2026-09-21Mount Magnet AeroRecord high maximum temperature (provisional)32.8 C (91.0 F)0.2 C (0.4 F)2911 of 100 (Routine)
2026-09-21Paraburdoo AeroRecord high maximum temperature (provisional)36.4 C (97.5 F)0.4 C (0.7 F)199 of 100 (Routine)
2026-09-21Paraburdoo AeroRecord high minimum temperature (provisional)21.8 C (71.2 F)0.5 C (0.9 F)04 of 100 (Routine)
2026-09-22Meekatharra AirportRecord high minimum temperature (provisional)20.8 C (69.4 F)1.9 C (3.4 F)6932 of 100 (Routine)
2026-09-22Paraburdoo AeroRecord high minimum temperature (provisional)24.0 C (75.2 F)0.3 C (0.5 F)1117 of 100 (Routine)
2026-09-22Rocky GullyRecord high minimum temperature (provisional)11.8 C (53.2 F)0.4 C (0.7 F)2411 of 100 (Routine)
2026-09-23Paraburdoo AeroRecord high minimum temperature (provisional)22.3 C (72.1 F)3.2 C (5.8 F)013 of 100 (Routine)
2026-09-23Onslow AirportRecord high minimum temperature (provisional)21.2 C (70.2 F)0.2 C (0.4 F)18 of 100 (Routine)
2026-09-23Karratha AeroRecord high maximum temperature (provisional)37.7 C (99.9 F)0.2 C (0.4 F)33 of 100 (Routine)
2026-09-23Leinster AeroRecord high minimum temperature (provisional)17.4 C (63.3 F)0.3 C (0.5 F)33 of 100 (Routine)
2026-09-23MardieRecord high maximum temperature (tie) (provisional)38.0 C (100.4 F)tie82 of 100 (Routine)
2026-09-24RavensthorpeRecord high maximum temperature (provisional)34.5 C (94.1 F)1.5 C (2.7 F)3930 of 100 (Routine)
2026-09-24NarroginRecord high minimum temperature (provisional)14.5 C (58.1 F)0.6 C (1.1 F)6329 of 100 (Routine)
2026-09-24Dalwallinu ComparisonRecord high minimum temperature (provisional)15.2 C (59.4 F)0.6 C (1.1 F)6327 of 100 (Routine)
2026-09-24Karratha AeroRecord high maximum temperature (provisional)38.3 C (100.9 F)0.6 C (1.1 F)87 of 100 (Routine)
2026-09-24MurchisonRecord high minimum temperature (provisional)15.9 C (60.6 F)0.4 C (0.7 F)127 of 100 (Routine)
2026-09-24MardieRecord high maximum temperature (tie) (provisional)38.3 C (100.9 F)tie82 of 100 (Routine)
2026-09-25Onslow AirportRecord high minimum temperature (provisional)20.6 C (69.1 F)0.9 C (1.6 F)813 of 100 (Routine)
2026-09-25Hopetoun NorthRecord high minimum temperature (provisional)15.6 C (60.1 F)1.5 C (2.7 F)1713 of 100 (Routine)
2026-09-25Paraburdoo AeroRecord high minimum temperature (provisional)21.4 C (70.5 F)2.2 C (4.0 F)411 of 100 (Routine)
2026-09-25Karratha AeroRecord high maximum temperature (provisional)38.1 C (100.6 F)0.6 C (1.1 F)87 of 100 (Routine)
2026-09-25Karratha AeroRecord high minimum temperature (provisional)21.9 C (71.4 F)0.2 C (0.4 F)33 of 100 (Routine)
2026-09-26Paynes FindRecord high minimum temperature (provisional)15.2 C (59.4 F)0.1 C (0.2 F)1710 of 100 (Routine)
2026-09-28Karratha AeroRecord high minimum temperature (provisional)23.2 C (73.8 F)0.5 C (0.9 F)2310 of 100 (Routine)
2026-09-28MardieRecord high minimum temperature (tie) (provisional)22.2 C (72.0 F)tie364 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 201 of the 207 records the event counts. The counts above use the full total.

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Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.