Weather Records on 21 September 1942

291 weather records were set or tied worldwide on 21 September 1942. Highest significance: St Georges, CA.

Key Facts for 21 September 1942

On 21 September 1942, 291 weather records were set or tied at long-record stations worldwide.
62 were record highs and 78 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 12 monthly and 275 daily.
St Georges set an all-time record daily precipitation of 86.4 mm (3.4 in) on 21 September 1942.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 452 records.

Record Map

291 stations

291 station records on 21 September 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
St Georges	Canada	Record daily precipitation	86.4 mm (3.4 in)	66 of 100 (Major)
Irkutsk	Russia	Record daily precipitation	36.7 mm (1.4 in)	60 of 100 (Major)
Balurghat	India	Record daily precipitation	266.7 mm (10.5 in)	54 of 100 (Notable)
Windsor Kings College	Canada	Record daily precipitation	71.4 mm (2.8 in)	49 of 100 (Notable)
Barpukhuri	India	Record daily precipitation	113.0 mm (4.4 in)	46 of 100 (Notable)
Kopati(Kaupati)	India	Record daily precipitation	116.1 mm (4.6 in)	46 of 100 (Notable)
Jowai	India	Record daily precipitation	209.3 mm (8.2 in)	46 of 100 (Notable)
Damra	India	Record daily precipitation	157.7 mm (6.2 in)	44 of 100 (Notable)
Barduar	India	Record daily precipitation	130.3 mm (5.1 in)	43 of 100 (Notable)
Wolfville	Canada	Record daily precipitation	52.6 mm (2.1 in)	41 of 100 (Notable)
Charlottetown Cda	Canada	Record daily precipitation	59.7 mm (2.4 in)	41 of 100 (Notable)
Boko	India	Record daily precipitation	210.8 mm (8.3 in)	41 of 100 (Notable)
Hajo	India	Record daily precipitation	104.1 mm (4.1 in)	39 of 100 (Notable)
Itahar	India	Record daily precipitation	342.9 mm (13.5 in)	39 of 100 (Notable)
Mankachar	India	Record daily precipitation	258.1 mm (10.2 in)	38 of 100 (Notable)
Chanchal	India	Record daily precipitation	121.9 mm (4.8 in)	38 of 100 (Notable)
Goalpara	India	Record daily precipitation	147.3 mm (5.8 in)	37 of 100 (Notable)
Borio	India	Record daily precipitation	114.3 mm (4.5 in)	36 of 100 (Notable)
Boreli	India	Record daily precipitation	104.1 mm (4.1 in)	34 of 100 (Routine)
Sussex	Canada	Record daily precipitation	54.1 mm (2.1 in)	33 of 100 (Routine)
Sahebganj	India	Record daily precipitation	107.4 mm (4.2 in)	33 of 100 (Routine)
Malda	India	Record daily precipitation	108.2 mm (4.3 in)	32 of 100 (Routine)
Raiganj	India	Record daily precipitation	139.7 mm (5.5 in)	32 of 100 (Routine)
White River	Canada	Record daily snowfall	8.9 cm (3.5 in)	30 of 100 (Routine)
Khairee	India	Record daily precipitation	71.6 mm (2.8 in)	30 of 100 (Routine)
Venukonda	India	Record daily precipitation	102.9 mm (4.1 in)	29 of 100 (Routine)
St. Petersburg	Russia	Record low minimum temperature	-2.4 C (27.7 F)	29 of 100 (Routine)
Goondiwindi Post Office	Australia	Record high minimum temperature	21.3 C (70.3 F)	28 of 100 (Routine)
Fredericton Unb	Canada	Record low maximum temperature	10.0 C (50.0 F)	28 of 100 (Routine)
Srivilliputhur	India	Record daily precipitation	54.1 mm (2.1 in)	28 of 100 (Routine)
Owen Sound	Canada	Record low minimum temperature	-1.1 C (30.0 F)	27 of 100 (Routine)
Hvar	Croatia	Record high maximum temperature	29.4 C (84.9 F)	27 of 100 (Routine)
Gudivada	India	Record daily precipitation	106.7 mm (4.2 in)	27 of 100 (Routine)
Gondwara(Kohra)	India	Record daily precipitation	59.7 mm (2.4 in)	27 of 100 (Routine)
Cherrapunji	India	Record daily precipitation	224.0 mm (8.8 in)	27 of 100 (Routine)
Gazole	India	Record daily precipitation	116.8 mm (4.6 in)	27 of 100 (Routine)
Upper Shillong	India	Record daily precipitation	61.0 mm (2.4 in)	25 of 100 (Routine)
Sonamarg &	India	Record daily precipitation	51.8 mm (2.0 in)	24 of 100 (Routine)
Wokha	India	Record daily precipitation	102.1 mm (4.0 in)	24 of 100 (Routine)
Rupar	India	Record daily precipitation	54.9 mm (2.2 in)	23 of 100 (Routine)
Orono	United States	Record low maximum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
Walgett Council Depot	Australia	Record high minimum temperature	24.4 C (75.9 F)	22 of 100 (Routine)
Chatham	Canada	Record low maximum temperature	9.4 C (48.9 F)	22 of 100 (Routine)
Barpeta	India	Record daily precipitation	85.1 mm (3.4 in)	22 of 100 (Routine)
Hyannis	United States	Record daily precipitation	41.1 mm (1.6 in)	22 of 100 (Routine)
Agassiz Cda	Canada	Record high maximum temperature	31.7 C (89.1 F)	21 of 100 (Routine)
Mangalgiri	India	Record daily precipitation	55.9 mm (2.2 in)	21 of 100 (Routine)
Gavle	Sweden	Record low minimum temperature	-2.7 C (27.1 F)	21 of 100 (Routine)
Henrietta	United States	Record low maximum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Wyndham Port	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Quipolly Creek Post Office	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Wongan Hills	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Bodangora Post Office	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Tulita A	Canada	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Ballidu	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Rosewood	Australia	Record daily precipitation	5.3 mm (0.21 in)	20 of 100 (Routine)
Ellerston (Hunters Vale)	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Fogo	Canada	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Jarrahdale	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Onslow	Australia	Record daily precipitation	0.3 mm (0.01 in)	20 of 100 (Routine)

Counts by Type and Timescale

291 records

Records set or tied on 21 September 1942 by type: Highest daily maximum 39, Lowest daily maximum 31, Highest daily minimum 23, Lowest daily minimum 47, Heaviest daily rainfall 150, Heaviest daily snowfall 1.

Records on 21 September 1942 by type
Record type	Records
Highest daily maximum	39
Lowest daily maximum	31
Highest daily minimum	23
Lowest daily minimum	47
Heaviest daily rainfall	150
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 21 September 1942 by timescale: all-time 4, monthly 12, daily 275.

How Much Records Were Beaten By

231 broken records

Margins by which the 231 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 198.1. Ties are not counted.

Top 20 by Significance

21 September 1942

Top 20 records on 21 September 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1942	St Georges, CA	all-time rain	86.4 mm (3.4 in)	35.1 mm (1.4 in)	7 years	66 of 100 (Major)
21 September 1942	Irkutsk, RU	daily rain	36.7 mm (1.4 in)	23.7 mm (0.9 in)	47 years	60 of 100 (Major)
21 September 1942	Balurghat, IN	daily rain	266.7 mm (10.5 in)	198.1 mm (7.8 in)	35 years	54 of 100 (Notable)
21 September 1942	Windsor Kings College, CA	daily rain	71.4 mm (2.8 in)	44.7 mm (1.8 in)	8 years	49 of 100 (Notable)
21 September 1942	Barpukhuri, IN	daily rain	113.0 mm (4.4 in)	63.7 mm (2.5 in)	28 years	46 of 100 (Notable)
21 September 1942	Kopati(Kaupati), IN	daily rain	116.1 mm (4.6 in)	73.4 mm (2.9 in)	7 years	46 of 100 (Notable)
21 September 1942	Jowai, IN	daily rain	209.3 mm (8.2 in)	131.6 mm (5.2 in)	7 years	46 of 100 (Notable)
21 September 1942	Damra, IN	daily rain	157.7 mm (6.2 in)	61.2 mm (2.4 in)	37 years	44 of 100 (Notable)
21 September 1942	Barduar, IN	daily rain	130.3 mm (5.1 in)	66.3 mm (2.6 in)	8 years	43 of 100 (Notable)
21 September 1942	Wolfville, CA	daily rain	52.6 mm (2.1 in)	23.1 mm (0.9 in)	42 years	41 of 100 (Notable)
21 September 1942	Charlottetown Cda, CA	daily rain	59.7 mm (2.4 in)	34.3 mm (1.4 in)	8 years	41 of 100 (Notable)
21 September 1942	Boko, IN	all-time rain	210.8 mm (8.3 in)	28.2 mm (1.1 in)	8 years	41 of 100 (Notable)
21 September 1942	Hajo, IN	daily rain	104.1 mm (4.1 in)	59.9 mm (2.4 in)	28 years	39 of 100 (Notable)
21 September 1942	Itahar, IN	all-time rain	342.9 mm (13.5 in)	33.0 mm (1.3 in)	19 years	39 of 100 (Notable)
21 September 1942	Mankachar, IN	all-time rain	258.1 mm (10.2 in)	24.4 mm (1.0 in)	24 years	38 of 100 (Notable)
21 September 1942	Chanchal, IN	daily rain	121.9 mm (4.8 in)	77.4 mm (3.0 in)	35 years	38 of 100 (Notable)
21 September 1942	Goalpara, IN	daily rain	147.3 mm (5.8 in)	57.9 mm (2.3 in)	33 years	37 of 100 (Notable)
21 September 1942	Borio, IN	daily rain	114.3 mm (4.5 in)	54.6 mm (2.1 in)	35 years	36 of 100 (Notable)
21 September 1942	Boreli, IN	daily rain	104.1 mm (4.1 in)	53.0 mm (2.1 in)	23 years	34 of 100 (Routine)
21 September 1942	Sussex, CA	daily rain	54.1 mm (2.1 in)	27.7 mm (1.1 in)	24 years	33 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

1805 to 1942

Records set or tied on this calendar date in each year from 1805 to 1942. 1942 had 291 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-21 in each year
Year	Records
1805	1
1812	1
1825	2
1840	1
1841	1
1842	1
1848	1
1854	1
1856	2
1868	1
1872	2
1873	1
1877	1
1878	1
1881	1
1882	1
1884	1
1886	1
1888	2
1889	1
1891	10
1892	1
1893	10
1894	2
1895	3
1896	2
1897	6
1898	6
1899	3
1900	2
1901	5
1902	5
1903	8
1904	20
1905	12
1906	17
1907	10
1908	17
1909	10
1910	8
1911	18
1912	26
1913	37
1914	29
1915	34
1916	48
1917	28
1918	43
1919	54
1920	29
1921	64
1922	35
1923	232
1924	291
1925	278
1926	178
1927	165
1928	81
1929	232
1930	82
1931	681
1932	242
1933	193
1934	492
1935	199
1936	329
1937	487
1938	508
1939	308
1940	908
1941	416
1942	291
1943	407
1944	413
1945	507
1946	176
1947	534
1948	301
1949	298
1950	334
1951	241
1952	430
1953	382
1954	453
1955	752
1956	1,100
1957	366
1958	588
1959	513
1960	418
1961	441
1962	1,085
1963	306
1964	374
1965	1,088
1966	565
1967	577
1968	790
1969	593
1970	708
1971	645
1972	599
1973	421
1974	652
1975	528
1976	694
1977	918
1978	818
1979	736
1980	990
1981	696
1982	1,484
1983	2,207
1984	707
1985	796
1986	671
1987	965
1988	557
1989	1,002
1990	716
1991	1,021
1992	752
1993	911
1994	713
1995	2,002
1996	1,233
1997	1,112
1998	1,481
1999	1,025
2000	884
2001	718
2002	696
2003	959
2004	888
2005	1,143
2006	920
2007	742
2008	740
2009	715
2010	1,290
2011	542
2012	595
2013	769
2014	716
2015	565
2016	989
2017	1,178
2018	1,051
2019	833
2020	580
2021	465
2022	1,049
2023	783
2024	470
2025	591
2026	478

Download the Data

Data for records on 1942-09-21: 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

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

Margin	Records
0 to 25	203
25 to 50	13
50 to 75	10
75 to 100	2
100 to 125	1
125 to 150	1
150 to 175	0
175 to 200	1