Weather Records on 10 September 1939

386 weather records were set or tied worldwide on 10 September 1939. Highest significance: Kamiesberg, ZA.

Key Facts for 10 September 1939

On 10 September 1939, 386 weather records were set or tied at long-record stations worldwide.
226 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 375 daily.
Kamiesberg set a monthly record daily precipitation of 96.3 mm (3.8 in) on 10 September 1939.
Across 166 earlier years (1812 to 2026) the same calendar date averaged 429 records.

Record Map

386 stations

386 station records on 10 September 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 September 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kamiesberg	South Africa	Record daily precipitation	96.3 mm (3.8 in)	65 of 100 (Major)
Haenertsburg (Pol)	South Africa	Record daily precipitation	40.6 mm (1.6 in)	47 of 100 (Notable)
Vestervig	Denmark	Record daily precipitation	26.6 mm (1.0 in)	37 of 100 (Notable)
Periyanaickampal	India	Record daily precipitation	52.6 mm (2.1 in)	34 of 100 (Routine)
Anticosti SW Point	Canada	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record high minimum temperature	26.1 C (79.0 F)	31 of 100 (Routine)
Krishnagiri	India	Record daily precipitation	76.2 mm (3.0 in)	28 of 100 (Routine)
Avon Park 2 W	United States	Record high maximum temperature	36.7 C (98.1 F)	28 of 100 (Routine)
Gannavaram	India	Record daily precipitation	55.9 mm (2.2 in)	27 of 100 (Routine)
Beaufort Wwtp	United States	Record high maximum temperature	37.8 C (100.0 F)	27 of 100 (Routine)
Kodumudi	India	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)
Tampa	United States	Record high minimum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Little Mtn	United States	Record high maximum temperature	40.6 C (105.1 F)	26 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	18.2 C (64.8 F)	26 of 100 (Routine)
Greenville Dwtn AP	United States	Record high maximum temperature	36.1 C (97.0 F)	25 of 100 (Routine)
Borzja	Russia	Record daily precipitation	42.0 mm (1.7 in)	24 of 100 (Routine)
Kangayam	India	Record daily precipitation	31.8 mm (1.3 in)	23 of 100 (Routine)
Avanashi	India	Record daily precipitation	32.3 mm (1.3 in)	23 of 100 (Routine)
Jokkmokk	Sweden	Record low maximum temperature	4.2 C (39.6 F)	23 of 100 (Routine)
Greenville Dwtn AP	United States	Record high minimum temperature	23.3 C (73.9 F)	23 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	26.2 mm (1.0 in)	22 of 100 (Routine)
Bhagwanpur	India	Record daily precipitation	48.8 mm (1.9 in)	22 of 100 (Routine)
Caroleen	United States	Record high maximum temperature	37.8 C (100.0 F)	22 of 100 (Routine)
Fayetteville (Pwc)	United States	Record high maximum temperature	40.0 C (104.0 F)	22 of 100 (Routine)
Victoria Cp&L	United States	Record daily precipitation	69.9 mm (2.8 in)	22 of 100 (Routine)
Latrobe (Coal Road)	Australia	Record daily precipitation	33.5 mm (1.3 in)	21 of 100 (Routine)
Poonch	India	Record daily precipitation	67.6 mm (2.7 in)	21 of 100 (Routine)
Tiruppur	India	Record daily precipitation	82.6 mm (3.3 in)	21 of 100 (Routine)
Ketty	India	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Kinston 7 SE	United States	Record high maximum temperature	39.4 C (102.9 F)	21 of 100 (Routine)
San Diego Wbo	United States	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Kalkfontein	South Africa	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
El Cajon 2 E	United States	Record daily precipitation	4.8 mm (0.19 in)	20 of 100 (Routine)
Escondido	United States	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Warner Springs	United States	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Ottawa Cda	Canada	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Springer	United States	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Cuyamaca	United States	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Fillmore	United States	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Scipio	United States	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Robe Comparison	Australia	Record low maximum temperature	11.3 C (52.3 F)	20 of 100 (Routine)
Childers	Australia	Record daily precipitation	25.4 mm (1.0 in)	20 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	7.8 C (46.0 F)	20 of 100 (Routine)
Macdonald College	Canada	Record daily precipitation	33.5 mm (1.3 in)	20 of 100 (Routine)
Gundlupet	India	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Blikana	South Africa	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Elandsfontein	South Africa	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Indio Fire STN	United States	Record low maximum temperature	28.9 C (84.0 F)	20 of 100 (Routine)
Fernandina Beach	United States	Record high maximum temperature	37.8 C (100.0 F)	20 of 100 (Routine)
Amite	United States	Record high maximum temperature	36.7 C (98.1 F)	20 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	25.0 C (77.0 F)	20 of 100 (Routine)
Spencer	United States	Record high minimum temperature	25.6 C (78.1 F)	20 of 100 (Routine)
Williamson	United States	Record high maximum temperature	37.2 C (99.0 F)	20 of 100 (Routine)
Carnarvon Post Office	Australia	Record high maximum temperature	33.9 C (93.0 F)	19 of 100 (Routine)
Guntur	India	Record daily precipitation	57.4 mm (2.3 in)	19 of 100 (Routine)
Ballia	India	Record daily precipitation	97.8 mm (3.9 in)	19 of 100 (Routine)
Burdwan	India	Record daily precipitation	93.2 mm (3.7 in)	19 of 100 (Routine)
Krishnanagar	India	Record daily precipitation	45.2 mm (1.8 in)	19 of 100 (Routine)
Mohawk	United States	Record daily precipitation	13.5 mm (0.5 in)	19 of 100 (Routine)
Pasadena	United States	Record high minimum temperature	21.7 C (71.1 F)	19 of 100 (Routine)

Counts by Type and Timescale

386 records

Records set or tied on 10 September 1939 by type: Highest daily maximum 105, Lowest daily maximum 19, Highest daily minimum 121, Lowest daily minimum 10, Heaviest daily rainfall 131.

Records on 10 September 1939 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	19
Highest daily minimum	121
Lowest daily minimum	10
Heaviest daily rainfall	131
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 September 1939 by timescale: all-time 0, monthly 11, daily 375.

How Much Records Were Beaten By

296 broken records

Margins by which the 296 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.2. Ties are not counted.

Top 20 by Significance

10 September 1939

Top 20 records on 10 September 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 September 1939	Kamiesberg, ZA	monthly rain	96.3 mm (3.8 in)	56.2 mm (2.2 in)	33 years	65 of 100 (Major)
10 September 1939	Haenertsburg (Pol), ZA	daily rain	40.6 mm (1.6 in)	34.2 mm (1.3 in)	13 years	47 of 100 (Notable)
10 September 1939	Vestervig, DK	daily rain	26.6 mm (1.0 in)	13.7 mm (0.5 in)	20 years	37 of 100 (Notable)
10 September 1939	Periyanaickampal, IN	daily rain	52.6 mm (2.1 in)	37.4 mm (1.5 in)	30 years	34 of 100 (Routine)
10 September 1939	Anticosti SW Point, CA	daily rain	30.7 mm (1.2 in)	15.0 mm (0.6 in)	41 years	33 of 100 (Routine)
10 September 1939	Ft Myers Page Fld AP, US	daily high min	26.1 C (79.0 F)	1.7 C (3.1 F)	44 years	31 of 100 (Routine)
10 September 1939	Krishnagiri, IN	daily rain	76.2 mm (3.0 in)	41.7 mm (1.6 in)	12 years	28 of 100 (Routine)
10 September 1939	Avon Park 2 W, US	daily high max	36.7 C (98.1 F)	2.3 C (4.1 F)	44 years	28 of 100 (Routine)
10 September 1939	Gannavaram, IN	daily rain	55.9 mm (2.2 in)	32.0 mm (1.3 in)	22 years	27 of 100 (Routine)
10 September 1939	Beaufort Wwtp, US	daily high max	37.8 C (100.0 F)	3.4 C (6.1 F)	44 years	27 of 100 (Routine)
10 September 1939	Kodumudi, IN	daily rain	50.8 mm (2.0 in)	18.5 mm (0.7 in)	36 years	26 of 100 (Routine)
10 September 1939	Tampa, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	45 years	26 of 100 (Routine)
10 September 1939	Little Mtn, US	daily high max	40.6 C (105.1 F)	3.9 C (7.0 F)	44 years	26 of 100 (Routine)
10 September 1939	Tashkent, UZ	daily low max	18.2 C (64.8 F)	4.8 C (8.6 F)	36 years	26 of 100 (Routine)
10 September 1939	Greenville Dwtn AP, US	daily high max	36.1 C (97.0 F)	2.2 C (4.0 F)	52 years	25 of 100 (Routine)
10 September 1939	Borzja, RU	monthly rain	42.0 mm (1.7 in)	5.4 mm (0.21 in)	6 years	24 of 100 (Routine)
10 September 1939	Kangayam, IN	daily rain	31.8 mm (1.3 in)	19.6 mm (0.8 in)	36 years	23 of 100 (Routine)
10 September 1939	Avanashi, IN	daily rain	32.3 mm (1.3 in)	15.8 mm (0.6 in)	36 years	23 of 100 (Routine)
10 September 1939	Jokkmokk, SE	daily low max	4.2 C (39.6 F)	1.8 C (3.2 F)	47 years	23 of 100 (Routine)
10 September 1939	Greenville Dwtn AP, US	daily high min	23.3 C (73.9 F)	2.2 C (4.0 F)	44 years	23 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

1812 to 1939

Records set or tied on this calendar date in each year from 1812 to 1939. 1939 had 386 records.

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

Records on 09-10 in each year
Year	Records
1812	1
1813	1
1814	2
1818	1
1838	2
1841	1
1846	1
1847	1
1848	1
1850	2
1854	3
1857	1
1858	1
1865	5
1868	1
1869	2
1871	1
1874	2
1875	1
1876	2
1878	1
1879	2
1880	3
1881	2
1883	3
1884	4
1885	2
1886	1
1887	1
1888	2
1889	3
1890	1
1891	3
1892	3
1893	2
1894	4
1895	3
1896	1
1897	7
1898	4
1899	10
1901	1
1902	10
1903	13
1904	5
1905	7
1906	23
1907	15
1908	15
1909	25
1910	26
1911	8
1912	62
1913	24
1914	43
1915	53
1916	15
1917	79
1918	33
1919	42
1920	132
1921	207
1922	78
1923	38
1924	335
1925	197
1926	68
1927	262
1928	109
1929	282
1930	161
1931	724
1932	258
1933	333
1934	247
1935	478
1936	336
1937	376
1938	369
1939	386
1940	410
1941	389
1942	271
1943	352
1944	470
1945	334
1946	295
1947	534
1948	432
1949	793
1950	394
1951	344
1952	476
1953	250
1954	271
1955	376
1956	834
1957	332
1958	435
1959	670
1960	376
1961	459
1962	798
1963	384
1964	710
1965	355
1966	330
1967	512
1968	846
1969	635
1970	582
1971	400
1972	477
1973	559
1974	522
1975	528
1976	1,041
1977	391
1978	883
1979	563
1980	716
1981	629
1982	687
1983	1,329
1984	824
1985	1,140
1986	960
1987	574
1988	783
1989	1,098
1990	782
1991	827
1992	745
1993	936
1994	816
1995	643
1996	1,003
1997	829
1998	1,832
1999	1,068
2000	1,088
2001	1,129
2002	1,298
2003	1,149
2004	652
2005	1,173
2006	1,110
2007	866
2008	975
2009	636
2010	1,273
2011	1,235
2012	793
2013	1,198
2014	894
2015	789
2016	1,085
2017	674
2018	1,030
2019	816
2020	2,105
2021	1,311
2022	633
2023	1,114
2024	933
2025	583
2026	832

Download the Data

Data for records on 1939-09-10: 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).