Weather Records on 21 September 1941

416 weather records were set or tied worldwide on 21 September 1941. Highest significance: Agricultural College, US.

Key Facts for 21 September 1941

On 21 September 1941, 416 weather records were set or tied at long-record stations worldwide.
171 were record highs and 118 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 394 daily.
Agricultural College set a monthly record daily precipitation of 104.4 mm (4.1 in) on 21 September 1941.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 451 records.

Record Map

416 stations

416 station records on 21 September 1941 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1941: highest significance records shown on the map
Station	Country	Type	Value	Significance
Agricultural College	United States	Record daily precipitation	104.4 mm (4.1 in)	69 of 100 (Major)
Hypoluxo	United States	Record daily precipitation	115.8 mm (4.6 in)	59 of 100 (Notable)
Hangal	India	Record daily precipitation	58.9 mm (2.3 in)	52 of 100 (Notable)
Trinidad	United States	Record daily precipitation	49.0 mm (1.9 in)	51 of 100 (Notable)
Alamogordo 1	United States	Record daily precipitation	72.4 mm (2.9 in)	50 of 100 (Notable)
Miami	United States	Record daily precipitation	50.8 mm (2.0 in)	47 of 100 (Notable)
El Paso	United States	Record daily precipitation	54.1 mm (2.1 in)	47 of 100 (Notable)
Kakabeka Falls	Canada	Record daily precipitation	72.6 mm (2.9 in)	46 of 100 (Notable)
Turaiyur	India	Record daily precipitation	94.7 mm (3.7 in)	43 of 100 (Notable)
Lankaran	Azerbaijan	Record daily precipitation	87.4 mm (3.4 in)	41 of 100 (Notable)
Baudette	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Carrizozo 1SW	United States	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Periakulam	India	Record daily precipitation	53.1 mm (2.1 in)	37 of 100 (Notable)
Culbertson	United States	Record daily precipitation	69.6 mm (2.7 in)	37 of 100 (Notable)
Savanne	Canada	Record daily precipitation	39.4 mm (1.6 in)	35 of 100 (Notable)
Columbus	United States	Record daily precipitation	32.5 mm (1.3 in)	33 of 100 (Routine)
Wilton	India	Record daily precipitation	106.2 mm (4.2 in)	32 of 100 (Routine)
Tejon Rancho	United States	Record low minimum temperature	6.1 C (43.0 F)	32 of 100 (Routine)
Ipswich	United States	Record daily precipitation	40.4 mm (1.6 in)	32 of 100 (Routine)
Iguape	Brazil	Record daily precipitation	55.2 mm (2.2 in)	31 of 100 (Routine)
Prince Rupert	Canada	Record daily precipitation	64.8 mm (2.6 in)	31 of 100 (Routine)
Warroad	United States	Record daily precipitation	77.0 mm (3.0 in)	31 of 100 (Routine)
Park Rch	United States	Record daily precipitation	43.2 mm (1.7 in)	31 of 100 (Routine)
Riverside 7 SSW	United States	Record low maximum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Escalante	United States	Record low maximum temperature	8.3 C (46.9 F)	29 of 100 (Routine)
Mukundapuram	India	Record daily precipitation	105.4 mm (4.1 in)	28 of 100 (Routine)
Jakutsk	Russia	Record low minimum temperature	-10.9 C (12.4 F)	28 of 100 (Routine)
Gann Valley 4NW	United States	Record daily precipitation	45.0 mm (1.8 in)	28 of 100 (Routine)
Roy	United States	Record daily precipitation	110.0 mm (4.3 in)	27 of 100 (Routine)
Kenton	United States	Record daily precipitation	86.4 mm (3.4 in)	27 of 100 (Routine)
New London	United States	Record high minimum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Pasamonte	United States	Record daily precipitation	83.8 mm (3.3 in)	26 of 100 (Routine)
La Crosse Wb City	United States	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Cranganore	India	Record daily precipitation	92.5 mm (3.6 in)	25 of 100 (Routine)
Simferopol	Ukraine	Record low minimum temperature	-1.5 C (29.3 F)	25 of 100 (Routine)
Pipestone	United States	Record high minimum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
Hvar	Croatia	Record low minimum temperature	11.6 C (52.9 F)	24 of 100 (Routine)
Satyavedu	India	Record daily precipitation	62.0 mm (2.4 in)	24 of 100 (Routine)
Sorab	India	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Greenland Rch	United States	Record low maximum temperature	28.9 C (84.0 F)	24 of 100 (Routine)
Mountainair	United States	Record daily precipitation	26.2 mm (1.0 in)	24 of 100 (Routine)
Clayton Muni Air Pk	United States	Record daily precipitation	43.4 mm (1.7 in)	23 of 100 (Routine)
Gila Bend 2SE	United States	Record low minimum temperature	7.2 C (45.0 F)	22 of 100 (Routine)
Storm Lake	United States	Record high minimum temperature	22.2 C (72.0 F)	22 of 100 (Routine)
Itasca UNIV of Minn	United States	Record daily precipitation	50.5 mm (2.0 in)	22 of 100 (Routine)
Pine Rvr Dam	United States	Record high minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Forman 5 SSE	United States	Record daily precipitation	41.9 mm (1.6 in)	22 of 100 (Routine)
Karur	India	Record daily precipitation	42.7 mm (1.7 in)	21 of 100 (Routine)
Algona	United States	Record high minimum temperature	21.7 C (71.1 F)	21 of 100 (Routine)
Winnibigoshish Dam	United States	Record daily precipitation	37.3 mm (1.5 in)	21 of 100 (Routine)
Tatarsk	Russia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Astana	Kazakhstan	Record daily precipitation	10.0 mm (0.4 in)	20 of 100 (Routine)
Holly	United States	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Deal Island	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Aralskoe More	Kazakhstan	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Silver City	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Springview 2NW	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Salekhard	Russia	Record daily precipitation	7.3 mm (0.29 in)	20 of 100 (Routine)
Sundance	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Goodland	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

416 records

Records set or tied on 21 September 1941 by type: Highest daily maximum 42, Lowest daily maximum 53, Highest daily minimum 129, Lowest daily minimum 65, Heaviest daily rainfall 127.

Records on 21 September 1941 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	53
Highest daily minimum	129
Lowest daily minimum	65
Heaviest daily rainfall	127
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 September 1941 by timescale: all-time 0, monthly 22, daily 394.

How Much Records Were Beaten By

321 broken records

Margins by which the 321 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.5. Ties are not counted.

Top 20 by Significance

21 September 1941

Top 20 records on 21 September 1941 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1941	Agricultural College, US	monthly rain	104.4 mm (4.1 in)	53.1 mm (2.1 in)	47 years	69 of 100 (Major)
21 September 1941	Hypoluxo, US	daily rain	115.8 mm (4.6 in)	95.5 mm (3.8 in)	48 years	59 of 100 (Notable)
21 September 1941	Hangal, IN	daily rain	58.9 mm (2.3 in)	43.7 mm (1.7 in)	28 years	52 of 100 (Notable)
21 September 1941	Trinidad, US	daily rain	49.0 mm (1.9 in)	35.0 mm (1.4 in)	36 years	51 of 100 (Notable)
21 September 1941	Alamogordo 1, US	daily rain	72.4 mm (2.9 in)	65.0 mm (2.6 in)	19 years	50 of 100 (Notable)
21 September 1941	Miami, US	daily rain	50.8 mm (2.0 in)	40.6 mm (1.6 in)	22 years	47 of 100 (Notable)
21 September 1941	El Paso, US	monthly rain	54.1 mm (2.1 in)	16.0 mm (0.6 in)	41 years	47 of 100 (Notable)
21 September 1941	Kakabeka Falls, CA	monthly rain	72.6 mm (2.9 in)	23.3 mm (0.9 in)	25 years	46 of 100 (Notable)
21 September 1941	Turaiyur, IN	daily rain	94.7 mm (3.7 in)	66.3 mm (2.6 in)	34 years	43 of 100 (Notable)
21 September 1941	Lankaran, AZ	daily rain	87.4 mm (3.4 in)	47.0 mm (1.9 in)	35 years	41 of 100 (Notable)
21 September 1941	Baudette, US	daily rain	48.3 mm (1.9 in)	26.5 mm (1.0 in)	16 years	41 of 100 (Notable)
21 September 1941	Carrizozo 1SW, US	monthly rain	45.7 mm (1.8 in)	12.4 mm (0.5 in)	29 years	39 of 100 (Notable)
21 September 1941	Periakulam, IN	daily rain	53.1 mm (2.1 in)	29.7 mm (1.2 in)	20 years	37 of 100 (Notable)
21 September 1941	Culbertson, US	daily rain	69.6 mm (2.7 in)	26.4 mm (1.0 in)	39 years	37 of 100 (Notable)
21 September 1941	Savanne, CA	daily rain	39.4 mm (1.6 in)	15.3 mm (0.6 in)	53 years	35 of 100 (Notable)
21 September 1941	Columbus, US	daily rain	32.5 mm (1.3 in)	22.3 mm (0.9 in)	12 years	33 of 100 (Routine)
21 September 1941	Wilton, IN	daily rain	106.2 mm (4.2 in)	45.7 mm (1.8 in)	14 years	32 of 100 (Routine)
21 September 1941	Tejon Rancho, US	daily low min	6.1 C (43.0 F)	7.2 C (13.0 F)	36 years	32 of 100 (Routine)
21 September 1941	Ipswich, US	daily rain	40.4 mm (1.6 in)	20.8 mm (0.8 in)	16 years	32 of 100 (Routine)
21 September 1941	Iguape, BR	daily rain	55.2 mm (2.2 in)	19.0 mm (0.7 in)	31 years	31 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 1941

Records set or tied on this calendar date in each year from 1805 to 1941. 1941 had 416 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	588
2026	469

Download the Data

Data for records on 1941-09-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	299
20 to 40	13
40 to 60	6
60 to 80	2
80 to 100	1