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Built 2026-10-19 (19 October 2026)

Weather Records on 20 September 1909

10 weather records were set or tied worldwide on 20 September 1909. Highest significance: Toledo Blade, US.

Key Facts for 20 September 1909

  • On 20 September 1909, 10 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 10 daily.
  • Toledo Blade set a daily record precipitation of 41.4 mm (1.6 in) on 20 September 1909.
  • Across 156 earlier years (1812 to 2026) the same calendar date averaged 445 records.

Record Map

10 stations
Weather records on 20 September 1909 10 station records on 20 September 1909 are marked on the map, coloured by record type.
10 station records on 20 September 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 20 September 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
Toledo BladeUnited StatesRecord daily precipitation41.4 mm (1.6 in)33 of 100 (Routine)
Robe ComparisonAustraliaRecord daily precipitation10.2 mm (0.4 in)20 of 100 (Routine)
PortlandAustraliaRecord daily precipitation25.1 mm (1.0 in)20 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low maximum temperature23.0 C (73.4 F)19 of 100 (Routine)
Mount Gambier Post OfficeAustraliaRecord daily precipitation19.3 mm (0.8 in)17 of 100 (Routine)
ClunesAustraliaRecord daily precipitation10.2 mm (0.4 in)10 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord low maximum temperature12.8 C (55.0 F)7 of 100 (Routine)
HalifaxCanadaRecord low minimum temperature2.2 C (36.0 F)6 of 100 (Routine)
Maldon (Derby Hill)AustraliaRecord daily precipitation7.1 mm (0.28 in)5 of 100 (Routine)
Glenthompson (Brie Brie)AustraliaRecord daily precipitation21.6 mm (0.9 in)3 of 100 (Routine)

Counts by Type and Timescale

10 records
Records on 20 September 1909 by type Records set or tied on 20 September 1909 by type: Lowest daily maximum 2, Lowest daily minimum 1, Heaviest daily rainfall 7. 02468Highest daily maximum: 0Lowest daily maximum: 2Highest daily minimum: 0Lowest daily minimum: 1Heaviest daily rainfall: 7Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 20 September 1909 by type: Lowest daily maximum 2, Lowest daily minimum 1, Heaviest daily rainfall 7.
Records on 20 September 1909 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum2
Highest daily minimum0
Lowest daily minimum1
Heaviest daily rainfall7
Heaviest daily snowfall0
Deepest snow cover0
Records on 20 September 1909 by timescale Records on 20 September 1909 by timescale: all-time 0, monthly 0, daily 10. 035810all-time: 0monthly: 0daily: 10all-timemonthlydaily
Records on 20 September 1909 by timescale: all-time 0, monthly 0, daily 10.
Records on 20 September 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily10

How Much Records Were Beaten By

10 broken records
Histogram of margins by which records were beaten on 20 September 1909 Margins by which the 10 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 21.8. Ties are not counted. 024680 to 5: 85 to 10: 110 to 15: 015 to 20: 020 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 10 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 21.8. Ties are not counted.
Histogram of margins by which records were beaten on 20 September 1909
MarginRecords
0 to 58
5 to 101
10 to 150
15 to 200
20 to 251

Top 20 by Significance

20 September 1909
Top 10 records on 20 September 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
20 September 1909Toledo Blade, USdaily rain41.4 mm (1.6 in)21.8 mm (0.9 in)25 years33 of 100 (Routine)
20 September 1909Robe Comparison, AUdaily rain10.2 mm (0.4 in)3.8 mm (0.15 in)27 years20 of 100 (Routine)
20 September 1909Portland, AUdaily rain25.1 mm (1.0 in)9.6 mm (0.38 in)0 years20 of 100 (Routine)
20 September 1909Oran-Hopital Militaire, DZdaily low max23.0 C (73.4 F)0.2 C (0.4 F)48 years19 of 100 (Routine)
20 September 1909Mount Gambier Post Office, AUdaily rain19.3 mm (0.8 in)1.8 mm (0.07 in)34 years17 of 100 (Routine)
20 September 1909Clunes, AUdaily rain10.2 mm (0.4 in)3.1 mm (0.12 in)8 years10 of 100 (Routine)
20 September 1909Wagga Wagga (Kooringal), AUdaily low max12.8 C (55.0 F)1.6 C (2.9 F)4 years7 of 100 (Routine)
20 September 1909Halifax, CAdaily low min2.2 C (36.0 F)0.6 C (1.1 F)8 years6 of 100 (Routine)
20 September 1909Maldon (Derby Hill), AUdaily rain7.1 mm (0.28 in)0.2 mm (0.01 in)8 years5 of 100 (Routine)
20 September 1909Glenthompson (Brie Brie), AUdaily rain21.6 mm (0.9 in)0.3 mm (0.01 in)0 years3 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1812 to 1909
Records on 09-20 in each year Records set or tied on this calendar date in each year from 1812 to 1909. 1909 had 10 records. 05001,0001,5002,0001812: 11837: 11840: 11844: 11848: 21851: 11852: 11854: 21855: 11856: 21859: 21860: 11862: 11870: 11871: 21882: 21883: 11884: 11886: 21887: 11888: 21889: 81891: 41893: 51894: 11895: 21896: 11897: 161898: 41899: 11900: 21901: 31902: 31903: 31904: 121905: 81906: 221907: 111908: 241909: 101910: 81911: 211912: 341913: 481914: 281915: 2391916: 281917: 1001918: 591919: 551920: 641921: 401922: 521923: 2491924: 3291925: 3301926: 1291927: 1691928: 1441929: 3731930: 1021931: 5641932: 2701933: 2231934: 3491935: 2011936: 1331937: 3851938: 5061939: 3121940: 5911941: 5821942: 4361943: 4191944: 4661945: 4061946: 7661947: 4601948: 4541949: 2681950: 4351951: 2671952: 4341953: 4791954: 6281955: 6251956: 9851957: 5141958: 4101959: 4891960: 3521961: 3841962: 7071963: 2901964: 4821965: 1,1801966: 4141967: 4491968: 6171969: 6041970: 5911971: 8841972: 5821973: 5691974: 7711975: 5271976: 3751977: 7761978: 1,2161979: 7671980: 5671981: 9791982: 9111983: 1,9581984: 8951985: 7301986: 7431987: 8561988: 6981989: 9681990: 7431991: 1,8351992: 7181993: 1,0311994: 7881995: 1,3741996: 1,0771997: 1,2821998: 1,1571999: 9232000: 9082001: 8212002: 8452003: 9102004: 1,1562005: 9602006: 7322007: 6452008: 6482009: 7152010: 1,4972011: 6502012: 5492013: 5952014: 5772015: 4392016: 7782017: 9202018: 1,0202019: 8352020: 6302021: 5652022: 7862023: 4822024: 5962025: 8772026: 6821812188319021918193419501966198219982014
Records set or tied on this calendar date in each year from 1812 to 1909. 1909 had 10 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-20 in each year
YearRecords
18121
18371
18401
18441
18482
18511
18521
18542
18551
18562
18592
18601
18621
18701
18712
18822
18831
18841
18862
18871
18882
18898
18914
18935
18941
18952
18961
189716
18984
18991
19002
19013
19023
19033
190412
19058
190622
190711
190824
190910
19108
191121
191234
191348
191428
1915239
191628
1917100
191859
191955
192064
192140
192252
1923249
1924329
1925330
1926129
1927169
1928144
1929373
1930102
1931564
1932270
1933223
1934349
1935201
1936133
1937385
1938506
1939312
1940591
1941582
1942436
1943419
1944466
1945406
1946766
1947460
1948454
1949268
1950435
1951267
1952434
1953479
1954628
1955625
1956985
1957514
1958410
1959489
1960352
1961384
1962707
1963290
1964482
19651,180
1966414
1967449
1968617
1969604
1970591
1971884
1972582
1973569
1974771
1975527
1976375
1977776
19781,216
1979767
1980567
1981979
1982911
19831,958
1984895
1985730
1986743
1987856
1988698
1989968
1990743
19911,835
1992718
19931,031
1994788
19951,374
19961,077
19971,282
19981,157
1999923
2000908
2001821
2002845
2003910
20041,156
2005960
2006732
2007645
2008648
2009715
20101,497
2011650
2012549
2013595
2014577
2015439
2016778
2017920
20181,020
2019835
2020630
2021565
2022786
2023482
2024596
2025877
2026682

Download the Data

  • Data for records on 1909-09-20: CSV or JSON. Field meanings are on the data page.

Sources: 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)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).