Weather Records on 12 September 1944

393 weather records were set or tied worldwide on 12 September 1944. Highest significance: Caledon (Pol), ZA.

Key Facts for 12 September 1944

On 12 September 1944, 393 weather records were set or tied at long-record stations worldwide.
148 were record highs and 56 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 16 monthly and 376 daily.
Caledon (Pol) set a monthly record daily precipitation of 82.0 mm (3.2 in) on 12 September 1944.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 413 records.

Record Map

393 stations

393 station records on 12 September 1944 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1944: highest significance records shown on the map
Station	Country	Type	Value	Significance
Caledon (Pol)	South Africa	Record daily precipitation	82.0 mm (3.2 in)	61 of 100 (Major)
Kadayam	India	Record daily precipitation	83.8 mm (3.3 in)	58 of 100 (Notable)
Manamathurai	India	Record daily precipitation	118.1 mm (4.6 in)	54 of 100 (Notable)
Tenkasi	India	Record daily precipitation	53.6 mm (2.1 in)	52 of 100 (Notable)
Khanpur	India	Record daily precipitation	83.1 mm (3.3 in)	46 of 100 (Notable)
Karmala	India	Record daily precipitation	94.0 mm (3.7 in)	46 of 100 (Notable)
Klaarstroom (Pol)	South Africa	Record daily precipitation	26.4 mm (1.0 in)	43 of 100 (Notable)
Zoetendals Vallei	South Africa	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
Trenton 2	United States	Record daily precipitation	69.1 mm (2.7 in)	37 of 100 (Notable)
Sangli	India	Record daily precipitation	52.1 mm (2.1 in)	36 of 100 (Notable)
McGregor (Pol)	South Africa	Record daily precipitation	52.3 mm (2.1 in)	36 of 100 (Notable)
Somerville 4 NW	United States	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Vita (Khanapur)	India	Record daily precipitation	156.0 mm (6.1 in)	35 of 100 (Notable)
Dahiwadi	India	Record daily precipitation	64.8 mm (2.6 in)	34 of 100 (Routine)
Vaduj	India	Record daily precipitation	86.4 mm (3.4 in)	34 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	18.5 C (65.3 F)	34 of 100 (Routine)
Copperhill	United States	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Crossville Ed & Rsch STN	United States	Record daily precipitation	48.0 mm (1.9 in)	34 of 100 (Routine)
Plainfield	United States	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Vicosa	Brazil	Record daily precipitation	35.9 mm (1.4 in)	31 of 100 (Routine)
Nargund	India	Record daily precipitation	66.8 mm (2.6 in)	31 of 100 (Routine)
Koregaon	India	Record daily precipitation	96.0 mm (3.8 in)	31 of 100 (Routine)
Austin #2	United States	Record high minimum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Trenton	United States	Record daily precipitation	56.1 mm (2.2 in)	31 of 100 (Routine)
Aachen	Germany	Record low minimum temperature	1.0 C (33.8 F)	30 of 100 (Routine)
Belgaum	India	Record daily precipitation	32.0 mm (1.3 in)	29 of 100 (Routine)
Bijapur	India	Record daily precipitation	41.1 mm (1.6 in)	29 of 100 (Routine)
Noyyatinkara	India	Record daily precipitation	41.7 mm (1.6 in)	29 of 100 (Routine)
Masset Airport	Canada	Record daily precipitation	26.4 mm (1.0 in)	28 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	12.2 C (54.0 F)	28 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record low minimum temperature	1.5 C (34.7 F)	28 of 100 (Routine)
Tasgaon	India	Record daily precipitation	52.6 mm (2.1 in)	28 of 100 (Routine)
Bredasdorp	South Africa	Record daily precipitation	52.1 mm (2.1 in)	28 of 100 (Routine)
Russellville	United States	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Long Branch-Oakhurst	United States	Record daily precipitation	40.4 mm (1.6 in)	28 of 100 (Routine)
White Sulphur Springs	United States	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Badami	India	Record daily precipitation	54.6 mm (2.1 in)	27 of 100 (Routine)
Cape Town Fire Station	South Africa	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Goat Rock	United States	Record daily precipitation	35.6 mm (1.4 in)	27 of 100 (Routine)
George School	United States	Record daily precipitation	48.5 mm (1.9 in)	27 of 100 (Routine)
Loudon 1 E	United States	Record daily precipitation	37.8 mm (1.5 in)	27 of 100 (Routine)
Waianae 798	United States	Record high maximum temperature	35.0 C (95.0 F)	27 of 100 (Routine)
Touws River	South Africa	Record daily precipitation	43.2 mm (1.7 in)	26 of 100 (Routine)
Resaca	United States	Record daily precipitation	40.1 mm (1.6 in)	26 of 100 (Routine)
Aiken 5SE	United States	Record daily precipitation	29.7 mm (1.2 in)	26 of 100 (Routine)
Eersterivier (Bos)	South Africa	Record daily precipitation	35.6 mm (1.4 in)	25 of 100 (Routine)
Belvidere	United States	Record daily precipitation	30.2 mm (1.2 in)	25 of 100 (Routine)
Freehold-Marlboro	United States	Record daily precipitation	48.3 mm (1.9 in)	25 of 100 (Routine)
Mt Pocono 2 N	United States	Record daily precipitation	47.0 mm (1.9 in)	25 of 100 (Routine)
Pelzer	United States	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record low maximum temperature	27.2 C (81.0 F)	24 of 100 (Routine)
Tobolsk	Russia	Record high maximum temperature	28.8 C (83.8 F)	24 of 100 (Routine)
Table.Mtn Woodhead Tunnel	South Africa	Record daily precipitation	39.4 mm (1.6 in)	24 of 100 (Routine)
Gainesville	United States	Record daily precipitation	29.7 mm (1.2 in)	24 of 100 (Routine)
Charleston	United States	Record daily precipitation	39.6 mm (1.6 in)	24 of 100 (Routine)
Quebrangulo	Brazil	Record daily precipitation	29.2 mm (1.1 in)	23 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record low minimum temperature	-0.1 C (31.8 F)	23 of 100 (Routine)
Groot Constantia	South Africa	Record daily precipitation	30.5 mm (1.2 in)	23 of 100 (Routine)
Swellendam (Tnk)	South Africa	Record daily precipitation	32.5 mm (1.3 in)	23 of 100 (Routine)

Counts by Type and Timescale

393 records

Records set or tied on 12 September 1944 by type: Highest daily maximum 108, Lowest daily maximum 29, Highest daily minimum 40, Lowest daily minimum 27, Heaviest daily rainfall 189.

Records on 12 September 1944 by type
Record type	Records
Highest daily maximum	108
Lowest daily maximum	29
Highest daily minimum	40
Lowest daily minimum	27
Heaviest daily rainfall	189
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1944 by timescale: all-time 1, monthly 16, daily 376.

How Much Records Were Beaten By

328 broken records

Margins by which the 328 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.1. Ties are not counted.

Top 20 by Significance

12 September 1944

Top 20 records on 12 September 1944 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1944	Caledon (Pol), ZA	monthly rain	82.0 mm (3.2 in)	26.6 mm (1.0 in)	30 years	61 of 100 (Major)
12 September 1944	Kadayam, IN	monthly rain	83.8 mm (3.3 in)	35.5 mm (1.4 in)	36 years	58 of 100 (Notable)
12 September 1944	Manamathurai, IN	daily rain	118.1 mm (4.6 in)	84.1 mm (3.3 in)	34 years	54 of 100 (Notable)
12 September 1944	Tenkasi, IN	daily rain	53.6 mm (2.1 in)	42.4 mm (1.7 in)	27 years	52 of 100 (Notable)
12 September 1944	Khanpur, IN	monthly rain	83.1 mm (3.3 in)	23.7 mm (0.9 in)	16 years	46 of 100 (Notable)
12 September 1944	Karmala, IN	daily rain	94.0 mm (3.7 in)	74.7 mm (2.9 in)	14 years	46 of 100 (Notable)
12 September 1944	Klaarstroom (Pol), ZA	daily rain	26.4 mm (1.0 in)	23.9 mm (0.9 in)	24 years	43 of 100 (Notable)
12 September 1944	Zoetendals Vallei, ZA	daily rain	48.3 mm (1.9 in)	29.2 mm (1.1 in)	10 years	41 of 100 (Notable)
12 September 1944	Stellenbosch (Tnk), ZA	daily rain	49.5 mm (1.9 in)	21.6 mm (0.9 in)	24 years	38 of 100 (Notable)
12 September 1944	Trenton 2, US	daily rain	69.1 mm (2.7 in)	23.6 mm (0.9 in)	56 years	37 of 100 (Notable)
12 September 1944	Sangli, IN	daily rain	52.1 mm (2.1 in)	28.7 mm (1.1 in)	40 years	36 of 100 (Notable)
12 September 1944	McGregor (Pol), ZA	monthly rain	52.3 mm (2.1 in)	11.9 mm (0.5 in)	11 years	36 of 100 (Notable)
12 September 1944	Somerville 4 NW, US	daily rain	47.5 mm (1.9 in)	32.3 mm (1.3 in)	39 years	36 of 100 (Notable)
12 September 1944	Vita (Khanapur), IN	all-time rain	156.0 mm (6.1 in)	9.9 mm (0.39 in)	16 years	35 of 100 (Notable)
12 September 1944	Dahiwadi, IN	daily rain	64.8 mm (2.6 in)	43.5 mm (1.7 in)	7 years	34 of 100 (Routine)
12 September 1944	Vaduj, IN	daily rain	86.4 mm (3.4 in)	37.9 mm (1.5 in)	28 years	34 of 100 (Routine)
12 September 1944	Ekaterinburg, RU	monthly high min	18.5 C (65.3 F)	1.9 C (3.4 F)	47 years	34 of 100 (Routine)
12 September 1944	Copperhill, US	daily rain	45.7 mm (1.8 in)	34.3 mm (1.4 in)	22 years	34 of 100 (Routine)
12 September 1944	Crossville Ed & Rsch STN, US	daily rain	48.0 mm (1.9 in)	35.6 mm (1.4 in)	14 years	34 of 100 (Routine)
12 September 1944	Plainfield, US	daily rain	53.3 mm (2.1 in)	42.6 mm (1.7 in)	25 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

1793 to 1944

Records set or tied on this calendar date in each year from 1793 to 1944. 1944 had 393 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1944-09-12: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	297
20 to 40	25
40 to 60	4
60 to 80	1
80 to 100	1