Weather Records on 11 September 1945

341 weather records were set or tied worldwide on 11 September 1945. Highest significance: Rajakhera, IN.

Key Facts for 11 September 1945

On 11 September 1945, 341 weather records were set or tied at long-record stations worldwide.
200 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 4 monthly and 335 daily.
Rajakhera set an all-time record daily precipitation of 241.3 mm (9.5 in) on 11 September 1945.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 424 records.

Record Map

341 stations

341 station records on 11 September 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rajakhera	India	Record daily precipitation	241.3 mm (9.5 in)	47 of 100 (Notable)
Karhal	India	Record daily precipitation	177.0 mm (7.0 in)	47 of 100 (Notable)
Ekaterinburg	Russia	Record daily precipitation	25.0 mm (1.0 in)	47 of 100 (Notable)
Firozabad	India	Record daily precipitation	184.2 mm (7.3 in)	46 of 100 (Notable)
Ephrata	United States	Record daily precipitation	77.7 mm (3.1 in)	45 of 100 (Notable)
Mistassini Post	Canada	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Fatehabad	India	Record daily precipitation	179.1 mm (7.1 in)	44 of 100 (Notable)
Shikohabad	India	Record daily precipitation	172.2 mm (6.8 in)	44 of 100 (Notable)
Etmadpur	India	Record daily precipitation	172.7 mm (6.8 in)	42 of 100 (Notable)
Ashland	United States	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Lucinda Township	Australia	Record daily precipitation	39.1 mm (1.5 in)	39 of 100 (Notable)
Mustafabad Jasra	India	Record daily precipitation	171.5 mm (6.8 in)	35 of 100 (Notable)
Okolona	United States	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Winnsboro	United States	Record high minimum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Savannah 6 SW	United States	Record daily precipitation	45.5 mm (1.8 in)	32 of 100 (Routine)
Wokha	India	Record daily precipitation	97.3 mm (3.8 in)	31 of 100 (Routine)
Sadabad	India	Record daily precipitation	87.6 mm (3.4 in)	29 of 100 (Routine)
Munising	United States	Record daily precipitation	36.3 mm (1.4 in)	29 of 100 (Routine)
Burnet	United States	Record high minimum temperature	27.8 C (82.0 F)	29 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Tonk	India	Record daily precipitation	92.7 mm (3.6 in)	27 of 100 (Routine)
Kaithal	India	Record daily precipitation	80.0 mm (3.1 in)	26 of 100 (Routine)
Kolosib	India	Record daily precipitation	100.3 mm (3.9 in)	26 of 100 (Routine)
Agra	India	Record daily precipitation	137.2 mm (5.4 in)	26 of 100 (Routine)
Agra	India	Record daily precipitation	147.3 mm (5.8 in)	26 of 100 (Routine)
Schriever	United States	Record daily precipitation	78.7 mm (3.1 in)	26 of 100 (Routine)
Long Branch-Oakhurst	United States	Record daily precipitation	34.3 mm (1.4 in)	26 of 100 (Routine)
Brownsville	United States	Record daily precipitation	60.2 mm (2.4 in)	26 of 100 (Routine)
Dullabcherra	India	Record daily precipitation	72.9 mm (2.9 in)	25 of 100 (Routine)
Amguri	India	Record daily precipitation	54.6 mm (2.1 in)	25 of 100 (Routine)
Dholpur	India	Record daily precipitation	97.5 mm (3.8 in)	25 of 100 (Routine)
Fatehpur Sikri	India	Record daily precipitation	85.1 mm (3.4 in)	25 of 100 (Routine)
Doylestown	United States	Record daily precipitation	39.4 mm (1.6 in)	25 of 100 (Routine)
Karauli	India	Record daily precipitation	92.7 mm (3.6 in)	24 of 100 (Routine)
Water Valley	United States	Record daily precipitation	48.3 mm (1.9 in)	24 of 100 (Routine)
George School	United States	Record daily precipitation	31.2 mm (1.2 in)	24 of 100 (Routine)
Quakertown	United States	Record daily precipitation	32.3 mm (1.3 in)	24 of 100 (Routine)
Bathurst	Canada	Record high minimum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Khilchipur	India	Record daily precipitation	53.3 mm (2.1 in)	22 of 100 (Routine)
Sanganer	India	Record daily precipitation	45.7 mm (1.8 in)	22 of 100 (Routine)
Selma	United States	Record daily precipitation	58.4 mm (2.3 in)	22 of 100 (Routine)
Newton	United States	Record high minimum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Nappan Cda	Canada	Record high maximum temperature	27.8 C (82.0 F)	21 of 100 (Routine)
Bah	India	Record daily precipitation	79.5 mm (3.1 in)	21 of 100 (Routine)
Jalesar	India	Record daily precipitation	43.2 mm (1.7 in)	21 of 100 (Routine)
Baroda	India	Record daily precipitation	81.3 mm (3.2 in)	21 of 100 (Routine)
Amroha	India	Record daily precipitation	69.9 mm (2.8 in)	21 of 100 (Routine)
Booneville	United States	Record daily precipitation	29.7 mm (1.2 in)	21 of 100 (Routine)
Hightstown 2 W	United States	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Laurens	United States	Record high minimum temperature	25.6 C (78.1 F)	21 of 100 (Routine)
Mottinger	United States	Record low minimum temperature	3.9 C (39.0 F)	21 of 100 (Routine)
Zhizdra	Russia	Record daily precipitation	12.9 mm (0.5 in)	20 of 100 (Routine)
Kojnas	Russia	Record daily precipitation	23.8 mm (0.9 in)	20 of 100 (Routine)
Cardwell Marine Pde	Australia	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Pointe Au Pere	Canada	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Columbus 4 ESE	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Missoula 6 NW WFO	United States	Record daily snowfall	1.0 cm (0.4 in)	20 of 100 (Routine)
Mangrol	India	Record daily precipitation	80.3 mm (3.2 in)	20 of 100 (Routine)
White Cliffs	United States	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Fulton 3 W	United States	Record daily precipitation	27.9 mm (1.1 in)	20 of 100 (Routine)

Counts by Type and Timescale

341 records

Records set or tied on 11 September 1945 by type: Highest daily maximum 85, Lowest daily maximum 15, Highest daily minimum 115, Lowest daily minimum 14, Heaviest daily rainfall 111, Heaviest daily snowfall 1.

Records on 11 September 1945 by type
Record type	Records
Highest daily maximum	85
Lowest daily maximum	15
Highest daily minimum	115
Lowest daily minimum	14
Heaviest daily rainfall	111
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 11 September 1945 by timescale: all-time 2, monthly 4, daily 335.

How Much Records Were Beaten By

260 broken records

Margins by which the 260 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 154.5. Ties are not counted.

Top 20 by Significance

11 September 1945

Top 20 records on 11 September 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1945	Rajakhera, IN	all-time rain	241.3 mm (9.5 in)	40.6 mm (1.6 in)	33 years	47 of 100 (Notable)
11 September 1945	Karhal, IN	daily rain	177.0 mm (7.0 in)	116.0 mm (4.6 in)	12 years	47 of 100 (Notable)
11 September 1945	Ekaterinburg, RU	daily rain	25.0 mm (1.0 in)	18.2 mm (0.7 in)	4 years	47 of 100 (Notable)
11 September 1945	Firozabad, IN	daily rain	184.2 mm (7.3 in)	139.2 mm (5.5 in)	8 years	46 of 100 (Notable)
11 September 1945	Ephrata, US	daily rain	77.7 mm (3.1 in)	43.7 mm (1.7 in)	44 years	45 of 100 (Notable)
11 September 1945	Mistassini Post, CA	daily rain	35.6 mm (1.4 in)	25.4 mm (1.0 in)	14 years	44 of 100 (Notable)
11 September 1945	Fatehabad, IN	daily rain	179.1 mm (7.1 in)	154.5 mm (6.1 in)	2 years	44 of 100 (Notable)
11 September 1945	Shikohabad, IN	daily rain	172.2 mm (6.8 in)	127.0 mm (5.0 in)	2 years	44 of 100 (Notable)
11 September 1945	Etmadpur, IN	daily rain	172.7 mm (6.8 in)	91.7 mm (3.6 in)	8 years	42 of 100 (Notable)
11 September 1945	Ashland, US	daily rain	47.0 mm (1.9 in)	28.2 mm (1.1 in)	49 years	42 of 100 (Notable)
11 September 1945	Lucinda Township, AU	daily rain	39.1 mm (1.5 in)	31.5 mm (1.2 in)	42 years	39 of 100 (Notable)
11 September 1945	Mustafabad Jasra, IN	monthly rain	171.5 mm (6.8 in)	38.7 mm (1.5 in)	14 years	35 of 100 (Notable)
11 September 1945	Okolona, US	daily rain	38.9 mm (1.5 in)	29.2 mm (1.1 in)	24 years	32 of 100 (Routine)
11 September 1945	Winnsboro, US	monthly high min	25.0 C (77.0 F)	1.1 C (2.0 F)	48 years	32 of 100 (Routine)
11 September 1945	Savannah 6 SW, US	daily rain	45.5 mm (1.8 in)	16.8 mm (0.7 in)	53 years	32 of 100 (Routine)
11 September 1945	Wokha, IN	daily rain	97.3 mm (3.8 in)	30.8 mm (1.2 in)	36 years	31 of 100 (Routine)
11 September 1945	Sadabad, IN	daily rain	87.6 mm (3.4 in)	32.7 mm (1.3 in)	39 years	29 of 100 (Routine)
11 September 1945	Munising, US	daily rain	36.3 mm (1.4 in)	20.8 mm (0.8 in)	16 years	29 of 100 (Routine)
11 September 1945	Burnet, US	daily high min	27.8 C (82.0 F)	3.9 C (7.0 F)	44 years	29 of 100 (Routine)
11 September 1945	Cape Otway Lighthouse, AU	daily high min	15.0 C (59.0 F)	1.7 C (3.1 F)	42 years	27 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

1809 to 1945

Records set or tied on this calendar date in each year from 1809 to 1945. 1945 had 341 records.

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

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 1945-09-11: 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	223
20 to 40	26
40 to 60	5
60 to 80	1
80 to 100	1
100 to 120	1
120 to 140	2
140 to 160	1