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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, 6 to 16 September 2018

Heat wave in Australia, 6 to 16 September 2018: 139 records at 95 stations, peak on 15 September 2018. Closed.

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

Key Facts

  • Heat wave in Australia, 6 to 16 September 2018 set or tied 139 station records at 95 stations.
  • It ran from 6 September 2018 to 16 September 2018 (11 days) and its peak day was 15 September 2018.
  • Status: closed.
  • Hobart (Ellerslie Road) set a daily record high maximum temperature of 21.2 C (70.2 F) on 10 September 2018.
  • The busiest day was 15 September 2018 with 46 records.
  • The oldest broken record in the ranked list had stood for 113 years.

Footprint

6 to 16 September 2018
Footprint of Heat wave in Australia, 6 to 16 September 2018 The area covered by Heat wave in Australia, 6 to 16 September 2018 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Australia, 6 to 16 September 2018 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Australia, 6 to 16 September 2018: stations that set records in the event
StationTypeValueDate
Hobart (Ellerslie Road)Record high maximum temperature21.2 C (70.2 F)2018-09-10
Williamtown RaafRecord high maximum temperature32.8 C (91.0 F)2018-09-15
Richmond RaafRecord high maximum temperature34.0 C (93.2 F)2018-09-15
Echuca AerodromeRecord high maximum temperature27.0 C (80.6 F)2018-09-11
Essendon AirportRecord high maximum temperature23.7 C (74.7 F)2018-09-11
Bollon Mary StRecord high minimum temperature17.7 C (63.9 F)2018-09-07
Laverton RaafRecord high maximum temperature24.8 C (76.6 F)2018-09-11
Mangalore AirportRecord high maximum temperature23.3 C (73.9 F)2018-09-11
Ararat PrisonRecord high maximum temperature24.0 C (75.2 F)2018-09-11
MaryboroughRecord high maximum temperature25.3 C (77.5 F)2018-09-11
Wellington (Agrowplow)Record high minimum temperature12.5 C (54.5 F)2018-09-06
Ballarat AerodromeRecord high maximum temperature21.9 C (71.4 F)2018-09-11
Camden Airport AWSRecord high maximum temperature32.2 C (90.0 F)2018-09-15
Wilsons Promontory LighthouseRecord high minimum temperature13.4 C (56.1 F)2018-09-15
Coonabarabran (Namoi Street)Record high maximum temperature29.8 C (85.6 F)2018-09-15
Melbourne AirportRecord high maximum temperature23.7 C (74.7 F)2018-09-11
Newcastle Nobbys Signal StatioRecord high maximum temperature30.9 C (87.6 F)2018-09-15
Oberon (Springbank)Record high maximum temperature21.5 C (70.7 F)2018-09-15
MaryboroughRecord high maximum temperature32.0 C (89.6 F)2018-09-16
Gladstone RadarRecord high maximum temperature31.4 C (88.5 F)2018-09-16

Records per Day

Peak day 46
Records per day during Heat wave in Australia, 6 to 16 September 2018 Records set or tied each day from 6 September 2018 to 16 September 2018. The most in one day was 46 on 15 September 2018. 0 13 25 38 50 09-0609-0709-0809-0909-1009-1109-1209-1409-1509-16
Records set or tied each day from 6 September 2018 to 16 September 2018. The most in one day was 46 on 15 September 2018.
Records per day during Heat wave in Australia, 6 to 16 September 2018
DateRecords
2018-09-062
2018-09-0711
2018-09-088
2018-09-092
2018-09-107
2018-09-1125
2018-09-127
2018-09-1427
2018-09-1546
2018-09-164

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Australia, 6 to 16 September 2018 ranked by margin
Richmond Raaf, 09-154.4 C (7.9 F)
Coonabarabran (Namoi Street), 09-153.5 C (6.3 F)
Camden Airport AWS, 09-153.2 C (5.8 F)
Bollon Mary St, 09-073.0 C (5.4 F)
Newcastle Nobbys Signal Statio, 09-152.7 C (4.9 F)
Ararat Prison, 09-112.5 C (4.5 F)
Wilsons Promontory Lighthouse, 09-152.4 C (4.3 F)
Oberon (Springbank), 09-152.4 C (4.3 F)
Maryborough, 09-112.3 C (4.1 F)
Maryborough, 09-161.7 C (3.1 F)
Melbourne Airport, 09-111.6 C (2.9 F)
Echuca Aerodrome, 09-111.4 C (2.5 F)
Wellington (Agrowplow), 09-061.4 C (2.5 F)
Gladstone Radar, 09-161.3 C (2.3 F)
Williamtown Raaf, 09-150.9 C (1.6 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, 6 to 16 September 2018 139 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 0.01.32.53.85.0 Margin (C) Years the old record stood
139 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, 6 to 16 September 2018
Margin (C)Years the old record stood
0.1113
0.976
4.427
1.459
0.659
3.045
0.160
0.959
2.545
2.345
1.452
3.236
2.416
0.259
3.527
1.727
2.727
2.436
1.645
1.327
3.023
1.640
0.844
1.943
0.945
0.940
4.53
0.845
1.143
2.021
0.944
0.444
0.643
0.445
0.537
3.79
0.843
0.537
0.835
0.143
0.536
0.343
1.020
2.21
0.435
1.227
0.636
1.527
0.435
0.236
1.216
0.727
0.435
1.427
2.83
2.03
0.828
0.713
0.729
1.919
2.88
1.016
1.719
2.73
1.428
0.832
0.228
1.713
1.016
0.923
0.627
2.58
1.713
0.523
1.217
0.323
2.09
0.329
1.219
0.219
1.116
0.423
0.223
0.420
1.017
1.211
2.83
2.73
0.919
1.016
1.48
2.18
0.113
1.03
0.913
1.08
0.78
1.58
0.613
0.123
0.98
0.320
1.68
1.93
0.219
0.423
1.18
0.88
0.88
0.811
0.216
0.316
0.58
0.111
0.78
0.93
0.58
0.78
1.18
0.74
1.14
0.48
0.78
0.18
0.58
1.23
0.28
0.213
0.43
0.34
0.48
0.70
0.13
0.53
0.23
0.33
0.23
0.23
0.30

Compared With Other Events

Station records per event
Station records in Heat wave in Australia, 6 to 16 September 2018 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, 6 to 16 September 2018 (this event)139 records

Every Record Set

20 of 139
Every record set or tied during Heat wave in Australia, 6 to 16 September 2018, in date order
DateStationRecordValueMarginYears stoodSignificance
2018-09-06Wellington (Agrowplow)Record high minimum temperature12.5 C (54.5 F)1.4 C (2.5 F)5223 of 100 (Routine)
2018-09-07Bollon Mary StRecord high minimum temperature17.7 C (63.9 F)3.0 C (5.4 F)4525 of 100 (Routine)
2018-09-10Hobart (Ellerslie Road)Record high maximum temperature21.2 C (70.2 F)0.1 C (0.2 F)11340 of 100 (Notable)
2018-09-11Echuca AerodromeRecord high maximum temperature27.0 C (80.6 F)1.4 C (2.5 F)5926 of 100 (Routine)
2018-09-11Essendon AirportRecord high maximum temperature23.7 C (74.7 F)0.6 C (1.1 F)5926 of 100 (Routine)
2018-09-11Laverton RaafRecord high maximum temperature24.8 C (76.6 F)0.1 C (0.2 F)6025 of 100 (Routine)
2018-09-11Mangalore AirportRecord high maximum temperature23.3 C (73.9 F)0.9 C (1.6 F)5925 of 100 (Routine)
2018-09-11Ararat PrisonRecord high maximum temperature24.0 C (75.2 F)2.5 C (4.5 F)4525 of 100 (Routine)
2018-09-11MaryboroughRecord high maximum temperature25.3 C (77.5 F)2.3 C (4.1 F)4524 of 100 (Routine)
2018-09-11Ballarat AerodromeRecord high maximum temperature21.9 C (71.4 F)0.2 C (0.4 F)5923 of 100 (Routine)
2018-09-11Melbourne AirportRecord high maximum temperature23.7 C (74.7 F)1.6 C (2.9 F)4521 of 100 (Routine)
2018-09-15Williamtown RaafRecord high maximum temperature32.8 C (91.0 F)0.9 C (1.6 F)7631 of 100 (Routine)
2018-09-15Richmond RaafRecord high maximum temperature34.0 C (93.2 F)4.4 C (7.9 F)2727 of 100 (Routine)
2018-09-15Camden Airport AWSRecord high maximum temperature32.2 C (90.0 F)3.2 C (5.8 F)3623 of 100 (Routine)
2018-09-15Wilsons Promontory LighthouseRecord high minimum temperature13.4 C (56.1 F)2.4 C (4.3 F)1623 of 100 (Routine)
2018-09-15Coonabarabran (Namoi Street)Record high maximum temperature29.8 C (85.6 F)3.5 C (6.3 F)2722 of 100 (Routine)
2018-09-15Newcastle Nobbys Signal StatioRecord high maximum temperature30.9 C (87.6 F)2.7 C (4.9 F)2721 of 100 (Routine)
2018-09-15Oberon (Springbank)Record high maximum temperature21.5 C (70.7 F)2.4 C (4.3 F)3621 of 100 (Routine)
2018-09-16MaryboroughRecord high maximum temperature32.0 C (89.6 F)1.7 C (3.1 F)2721 of 100 (Routine)
2018-09-16Gladstone RadarRecord high maximum temperature31.4 C (88.5 F)1.3 C (2.3 F)2720 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 139 records the event counts. The counts above use the full total.

Download the Data

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.