Weather Records on 21 September 1944

413 weather records were set or tied worldwide on 21 September 1944. Highest significance: Guntersville, US.

Key Facts for 21 September 1944

On 21 September 1944, 413 weather records were set or tied at long-record stations worldwide.
211 were record highs and 26 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 407 daily.
Guntersville set a daily record precipitation of 85.1 mm (3.4 in) on 21 September 1944.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 451 records.

Record Map

413 stations

413 station records on 21 September 1944 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1944: highest significance records shown on the map
Station	Country	Type	Value	Significance
Guntersville	United States	Record daily precipitation	85.1 mm (3.4 in)	51 of 100 (Notable)
Doornbult	South Africa	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Sidhi	India	Record daily precipitation	152.4 mm (6.0 in)	45 of 100 (Notable)
Kalahasti	India	Record daily precipitation	89.7 mm (3.5 in)	43 of 100 (Notable)
Jalugudi	India	Record daily precipitation	101.6 mm (4.0 in)	39 of 100 (Notable)
Rooipoort	South Africa	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Twyfelspoort	South Africa	Record daily precipitation	29.0 mm (1.1 in)	39 of 100 (Notable)
Monierkhal	India	Record daily precipitation	141.2 mm (5.6 in)	38 of 100 (Notable)
Tiruppattur	India	Record daily precipitation	108.7 mm (4.3 in)	38 of 100 (Notable)
Gajapathinagaram	India	Record daily precipitation	59.2 mm (2.3 in)	36 of 100 (Notable)
Salem AP (McNary Field)	United States	Record daily precipitation	25.7 mm (1.0 in)	35 of 100 (Notable)
Barrage Gouin	Canada	Record daily precipitation	53.8 mm (2.1 in)	34 of 100 (Routine)
Greylingstad (Sar)	South Africa	Record daily precipitation	27.2 mm (1.1 in)	34 of 100 (Routine)
Pilanesberg-Pol	South Africa	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Santa Fe	United States	Record high maximum temperature	29.4 C (84.9 F)	33 of 100 (Routine)
Kuppam	India	Record daily precipitation	79.8 mm (3.1 in)	32 of 100 (Routine)
Ambagarh Chowki	India	Record daily precipitation	124.5 mm (4.9 in)	32 of 100 (Routine)
Headworks Portland Wtr B	United States	Record daily precipitation	44.7 mm (1.8 in)	32 of 100 (Routine)
Katangi	India	Record daily precipitation	81.0 mm (3.2 in)	31 of 100 (Routine)
Cap Chat	Canada	Record daily precipitation	38.4 mm (1.5 in)	28 of 100 (Routine)
Anticosti SW Point	Canada	Record high minimum temperature	13.9 C (57.0 F)	27 of 100 (Routine)
Russellville	United States	Record daily precipitation	38.4 mm (1.5 in)	27 of 100 (Routine)
Robe Comparison	Australia	Record low minimum temperature	2.8 C (37.0 F)	26 of 100 (Routine)
La Tuque	Canada	Record daily precipitation	25.1 mm (1.0 in)	26 of 100 (Routine)
Barrage Temiscamingue	Canada	Record daily precipitation	51.6 mm (2.0 in)	26 of 100 (Routine)
Katwa	India	Record daily precipitation	59.7 mm (2.4 in)	26 of 100 (Routine)
Oneonta	United States	Record daily precipitation	47.0 mm (1.9 in)	26 of 100 (Routine)
Corvallis State UNIV	United States	Record daily precipitation	40.1 mm (1.6 in)	26 of 100 (Routine)
Corsicana	United States	Record high maximum temperature	39.4 C (102.9 F)	26 of 100 (Routine)
Gobindpur	India	Record daily precipitation	134.1 mm (5.3 in)	25 of 100 (Routine)
Vaniyambadi	India	Record daily precipitation	66.3 mm (2.6 in)	25 of 100 (Routine)
Cwebe	South Africa	Record daily precipitation	44.5 mm (1.8 in)	25 of 100 (Routine)
Manassa	United States	Record high maximum temperature	30.0 C (86.0 F)	24 of 100 (Routine)
Tewantin Post Office	Australia	Record low maximum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Quebec	Canada	Record high minimum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Amta	India	Record daily precipitation	63.5 mm (2.5 in)	23 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record low minimum temperature	-3.6 C (25.5 F)	23 of 100 (Routine)
Bee Branch	United States	Record high maximum temperature	37.2 C (99.0 F)	23 of 100 (Routine)
Victoria Gonzales Hts	Canada	Record high minimum temperature	13.3 C (55.9 F)	22 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	15.0 C (59.0 F)	22 of 100 (Routine)
Clontarf	Canada	Record daily precipitation	36.1 mm (1.4 in)	22 of 100 (Routine)
Vellore	India	Record daily precipitation	58.7 mm (2.3 in)	22 of 100 (Routine)
Tucson WFO	United States	Record high maximum temperature	40.0 C (104.0 F)	22 of 100 (Routine)
Montrose #2	United States	Record high maximum temperature	33.3 C (91.9 F)	22 of 100 (Routine)
Kennecott	United States	Record low minimum temperature	-5.6 C (21.9 F)	22 of 100 (Routine)
Lumding	India	Record daily precipitation	120.7 mm (4.8 in)	21 of 100 (Routine)
Teriberka	Russia	Record high minimum temperature	9.5 C (49.1 F)	21 of 100 (Routine)
Hollowaysrust	South Africa	Record daily precipitation	42.2 mm (1.7 in)	21 of 100 (Routine)
Gunnison 3SW	United States	Record high maximum temperature	28.3 C (82.9 F)	21 of 100 (Routine)
Hillsboro	United States	Record daily precipitation	29.2 mm (1.1 in)	21 of 100 (Routine)
Poortjie	South Africa	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Vryburg (Pol)	South Africa	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Lovelock	United States	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Taung	South Africa	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Winburg (Pol)	South Africa	Record daily precipitation	5.8 mm (0.23 in)	20 of 100 (Routine)
Przhevalsk	Kyrgyzstan	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Forest Grove	United States	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Winnemucca AP	United States	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Ft Bidwell	United States	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Orovada 3 W	United States	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)

Counts by Type and Timescale

413 records

Records set or tied on 21 September 1944 by type: Highest daily maximum 122, Lowest daily maximum 6, Highest daily minimum 89, Lowest daily minimum 20, Heaviest daily rainfall 176.

Records on 21 September 1944 by type
Record type	Records
Highest daily maximum	122
Lowest daily maximum	6
Highest daily minimum	89
Lowest daily minimum	20
Heaviest daily rainfall	176
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 September 1944 by timescale: all-time 0, monthly 6, daily 407.

How Much Records Were Beaten By

333 broken records

Margins by which the 333 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 114.3. Ties are not counted.

Top 20 by Significance

21 September 1944

Top 20 records on 21 September 1944 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1944	Guntersville, US	daily rain	85.1 mm (3.4 in)	60.2 mm (2.4 in)	38 years	51 of 100 (Notable)
21 September 1944	Doornbult, ZA	daily rain	34.3 mm (1.4 in)	34.3 mm (1.4 in)	30 years	46 of 100 (Notable)
21 September 1944	Sidhi, IN	daily rain	152.4 mm (6.0 in)	114.3 mm (4.5 in)	4 years	45 of 100 (Notable)
21 September 1944	Kalahasti, IN	daily rain	89.7 mm (3.5 in)	45.2 mm (1.8 in)	36 years	43 of 100 (Notable)
21 September 1944	Jalugudi, IN	daily rain	101.6 mm (4.0 in)	62.2 mm (2.4 in)	18 years	39 of 100 (Notable)
21 September 1944	Rooipoort, ZA	daily rain	26.2 mm (1.0 in)	26.2 mm (1.0 in)	34 years	39 of 100 (Notable)
21 September 1944	Twyfelspoort, ZA	daily rain	29.0 mm (1.1 in)	28.0 mm (1.1 in)	12 years	39 of 100 (Notable)
21 September 1944	Monierkhal, IN	daily rain	141.2 mm (5.6 in)	81.3 mm (3.2 in)	6 years	38 of 100 (Notable)
21 September 1944	Tiruppattur, IN	daily rain	108.7 mm (4.3 in)	50.3 mm (2.0 in)	32 years	38 of 100 (Notable)
21 September 1944	Gajapathinagaram, IN	daily rain	59.2 mm (2.3 in)	38.9 mm (1.5 in)	43 years	36 of 100 (Notable)
21 September 1944	Salem AP (McNary Field), US	daily rain	25.7 mm (1.0 in)	13.0 mm (0.5 in)	43 years	35 of 100 (Notable)
21 September 1944	Barrage Gouin, CA	daily rain	53.8 mm (2.1 in)	29.4 mm (1.2 in)	6 years	34 of 100 (Routine)
21 September 1944	Greylingstad (Sar), ZA	daily rain	27.2 mm (1.1 in)	21.9 mm (0.9 in)	38 years	34 of 100 (Routine)
21 September 1944	Pilanesberg-Pol, ZA	daily rain	27.9 mm (1.1 in)	26.1 mm (1.0 in)	4 years	34 of 100 (Routine)
21 September 1944	Santa Fe, US	daily high max	29.4 C (84.9 F)	2.7 C (4.9 F)	65 years	33 of 100 (Routine)
21 September 1944	Kuppam, IN	daily rain	79.8 mm (3.1 in)	42.5 mm (1.7 in)	17 years	32 of 100 (Routine)
21 September 1944	Ambagarh Chowki, IN	daily rain	124.5 mm (4.9 in)	49.1 mm (1.9 in)	29 years	32 of 100 (Routine)
21 September 1944	Headworks Portland Wtr B, US	daily rain	44.7 mm (1.8 in)	28.2 mm (1.1 in)	21 years	32 of 100 (Routine)
21 September 1944	Katangi, IN	daily rain	81.0 mm (3.2 in)	43.9 mm (1.7 in)	18 years	31 of 100 (Routine)
21 September 1944	Cap Chat, CA	daily rain	38.4 mm (1.5 in)	7.2 mm (0.28 in)	46 years	28 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 1944

Records set or tied on this calendar date in each year from 1805 to 1944. 1944 had 413 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 1944-09-21: 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	309
20 to 40	15
40 to 60	5
60 to 80	2
80 to 100	1
100 to 120	1