Weather Records on 1 September 1939

303 weather records were set or tied worldwide on 1 September 1939. Highest significance: Shimoga, IN.

Key Facts for 1 September 1939

On 1 September 1939, 303 weather records were set or tied at long-record stations worldwide.
183 were record highs and 37 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 62 monthly and 240 daily.
Shimoga set an all-time record daily precipitation of 161.8 mm (6.4 in) on 1 September 1939.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 442 records.

Record Map

303 stations

303 station records on 1 September 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Shimoga	India	Record daily precipitation	161.8 mm (6.4 in)	59 of 100 (Notable)
D.Baria	India	Record daily precipitation	196.3 mm (7.7 in)	52 of 100 (Notable)
Khushalgarh	India	Record daily precipitation	295.1 mm (11.6 in)	50 of 100 (Notable)
Learmonth	Australia	Record daily precipitation	43.7 mm (1.7 in)	44 of 100 (Notable)
Jhalod	India	Record daily precipitation	180.8 mm (7.1 in)	44 of 100 (Notable)
Sagwara	India	Record daily precipitation	149.4 mm (5.9 in)	44 of 100 (Notable)
Chhota-Udepur	India	Record daily precipitation	112.3 mm (4.4 in)	43 of 100 (Notable)
Lunawada	India	Record daily precipitation	180.8 mm (7.1 in)	43 of 100 (Notable)
Dug (Dag)	India	Record daily precipitation	135.6 mm (5.3 in)	37 of 100 (Notable)
Thasra	India	Record daily precipitation	111.8 mm (4.4 in)	34 of 100 (Routine)
Waukomis	United States	Record high minimum temperature	31.1 C (88.0 F)	34 of 100 (Routine)
Hambantota	Sri Lanka	Record high minimum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Ft Reno	United States	Record high maximum temperature	42.2 C (108.0 F)	31 of 100 (Routine)
Byad	India	Record daily precipitation	94.2 mm (3.7 in)	29 of 100 (Routine)
College STN 6 SW	United States	Record high maximum temperature	40.6 C (105.1 F)	29 of 100 (Routine)
Weatherford	United States	Record high maximum temperature	42.8 C (109.0 F)	29 of 100 (Routine)
Idar	India	Record daily precipitation	142.5 mm (5.6 in)	28 of 100 (Routine)
Dungarpur	India	Record daily precipitation	99.1 mm (3.9 in)	28 of 100 (Routine)
Karlstad	Sweden	Record high maximum temperature	24.9 C (76.8 F)	28 of 100 (Routine)
Austin	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Medicine Lodge	United States	Record high maximum temperature	43.3 C (109.9 F)	27 of 100 (Routine)
Paris	United States	Record high maximum temperature	42.8 C (109.0 F)	26 of 100 (Routine)
Iguape	Brazil	Record daily precipitation	44.0 mm (1.7 in)	25 of 100 (Routine)
Godhra	India	Record daily precipitation	116.8 mm (4.6 in)	25 of 100 (Routine)
Banswara	India	Record daily precipitation	183.9 mm (7.2 in)	25 of 100 (Routine)
Ada	United States	Record high maximum temperature	42.8 C (109.0 F)	25 of 100 (Routine)
Rogers	United States	Record high maximum temperature	40.0 C (104.0 F)	24 of 100 (Routine)
Holdenville 2SSE	United States	Record high maximum temperature	41.7 C (107.1 F)	24 of 100 (Routine)
Marlow 1 WSW	United States	Record high maximum temperature	42.2 C (108.0 F)	24 of 100 (Routine)
Stillwater 2 W	United States	Record high maximum temperature	40.6 C (105.1 F)	24 of 100 (Routine)
Mexia	United States	Record high maximum temperature	42.8 C (109.0 F)	24 of 100 (Routine)
Plauen	Germany	Record high minimum temperature	14.9 C (58.8 F)	23 of 100 (Routine)
Harsud	India	Record daily precipitation	82.0 mm (3.2 in)	23 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record high maximum temperature	31.8 C (89.2 F)	23 of 100 (Routine)
Ashland	United States	Record high maximum temperature	42.8 C (109.0 F)	23 of 100 (Routine)
Durant	United States	Record high maximum temperature	42.2 C (108.0 F)	23 of 100 (Routine)
Woodward	United States	Record high maximum temperature	42.8 C (109.0 F)	23 of 100 (Routine)
Bonham 3NNE	United States	Record high maximum temperature	42.8 C (109.0 F)	23 of 100 (Routine)
Anthony	United States	Record high maximum temperature	42.2 C (108.0 F)	23 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record high minimum temperature	16.6 C (61.9 F)	22 of 100 (Routine)
Weissenburg	Germany	Record high minimum temperature	15.3 C (59.5 F)	22 of 100 (Routine)
Groningen	Netherlands	Record high minimum temperature	16.6 C (61.9 F)	22 of 100 (Routine)
Sveg	Sweden	Record high maximum temperature	23.5 C (74.3 F)	22 of 100 (Routine)
Fayetteville Exp STN	United States	Record high maximum temperature	40.0 C (104.0 F)	22 of 100 (Routine)
Norman 3SSE	United States	Record high maximum temperature	41.7 C (107.1 F)	22 of 100 (Routine)
Gainesville	United States	Record high maximum temperature	41.7 C (107.1 F)	22 of 100 (Routine)
Buckeye	United States	Record high maximum temperature	45.6 C (114.1 F)	21 of 100 (Routine)
Chinook	United States	Record high minimum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Tucumcari 4 NE	United States	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Darlington	United States	Record daily precipitation	30.0 mm (1.2 in)	21 of 100 (Routine)
Lampasas	United States	Record high maximum temperature	41.7 C (107.1 F)	21 of 100 (Routine)
Temple	United States	Record high maximum temperature	41.7 C (107.1 F)	21 of 100 (Routine)
Wahluke	United States	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Hermiston 1 SE	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Kennewick	United States	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Echo	United States	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Umatilla	United States	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Hungerford Police Station	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Cambridge Niab	United Kingdom	Record daily precipitation	15.9 mm (0.6 in)	20 of 100 (Routine)
Eureka	United States	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

303 records

Records set or tied on 1 September 1939 by type: Highest daily maximum 129, Lowest daily maximum 26, Highest daily minimum 54, Lowest daily minimum 11, Heaviest daily rainfall 83.

Records on 1 September 1939 by type
Record type	Records
Highest daily maximum	129
Lowest daily maximum	26
Highest daily minimum	54
Lowest daily minimum	11
Heaviest daily rainfall	83
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 1939 by timescale: all-time 1, monthly 62, daily 240.

How Much Records Were Beaten By

224 broken records

Margins by which the 224 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 244.3. Ties are not counted.

Top 20 by Significance

1 September 1939

Top 20 records on 1 September 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 1939	Shimoga, IN	all-time rain	161.8 mm (6.4 in)	37.3 mm (1.5 in)	16 years	59 of 100 (Notable)
1 September 1939	D.Baria, IN	daily rain	196.3 mm (7.7 in)	121.4 mm (4.8 in)	32 years	52 of 100 (Notable)
1 September 1939	Khushalgarh, IN	daily rain	295.1 mm (11.6 in)	244.3 mm (9.6 in)	25 years	50 of 100 (Notable)
1 September 1939	Learmonth, AU	daily rain	43.7 mm (1.7 in)	28.2 mm (1.1 in)	30 years	44 of 100 (Notable)
1 September 1939	Jhalod, IN	daily rain	180.8 mm (7.1 in)	109.2 mm (4.3 in)	4 years	44 of 100 (Notable)
1 September 1939	Sagwara, IN	monthly rain	149.4 mm (5.9 in)	44.5 mm (1.8 in)	17 years	44 of 100 (Notable)
1 September 1939	Chhota-Udepur, IN	daily rain	112.3 mm (4.4 in)	85.6 mm (3.4 in)	28 years	43 of 100 (Notable)
1 September 1939	Lunawada, IN	monthly rain	180.8 mm (7.1 in)	58.1 mm (2.3 in)	17 years	43 of 100 (Notable)
1 September 1939	Dug (Dag), IN	daily rain	135.6 mm (5.3 in)	66.3 mm (2.6 in)	30 years	37 of 100 (Notable)
1 September 1939	Thasra, IN	daily rain	111.8 mm (4.4 in)	63.5 mm (2.5 in)	14 years	34 of 100 (Routine)
1 September 1939	Waukomis, US	monthly high min	31.1 C (88.0 F)	4.4 C (7.9 F)	38 years	34 of 100 (Routine)
1 September 1939	Hambantota, LK	monthly high min	26.7 C (80.1 F)	0.1 C (0.2 F)	48 years	32 of 100 (Routine)
1 September 1939	Ft Reno, US	monthly high max	42.2 C (108.0 F)	2.2 C (4.0 F)	44 years	31 of 100 (Routine)
1 September 1939	Byad, IN	daily rain	94.2 mm (3.7 in)	43.4 mm (1.7 in)	21 years	29 of 100 (Routine)
1 September 1939	College STN 6 SW, US	monthly high max	40.6 C (105.1 F)	0.6 C (1.1 F)	45 years	29 of 100 (Routine)
1 September 1939	Weatherford, US	monthly high max	42.8 C (109.0 F)	3.9 C (7.0 F)	25 years	29 of 100 (Routine)
1 September 1939	Idar, IN	monthly rain	142.5 mm (5.6 in)	25.7 mm (1.0 in)	12 years	28 of 100 (Routine)
1 September 1939	Dungarpur, IN	daily rain	99.1 mm (3.9 in)	52.1 mm (2.1 in)	4 years	28 of 100 (Routine)
1 September 1939	Karlstad, SE	monthly high max	24.9 C (76.8 F)	0.9 C (1.6 F)	38 years	28 of 100 (Routine)
1 September 1939	Austin, US	monthly high max	39.4 C (102.9 F)	0.5 C (0.9 F)	45 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

1797 to 1939

Records set or tied on this calendar date in each year from 1797 to 1939. 1939 had 303 records.

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

Records on 09-01 in each year
Year	Records
1797	1
1806	1
1819	1
1827	1
1831	1
1838	1
1851	1
1853	1
1854	1
1857	1
1858	1
1859	1
1860	2
1861	1
1865	1
1866	1
1867	2
1869	3
1871	1
1873	1
1876	2
1877	2
1878	3
1879	2
1881	5
1883	1
1886	3
1887	3
1888	2
1890	2
1892	2
1894	3
1897	4
1898	10
1899	3
1900	2
1901	14
1902	5
1903	16
1904	9
1905	6
1906	26
1907	14
1908	26
1909	34
1910	22
1911	16
1912	47
1913	32
1914	23
1915	46
1916	16
1917	24
1918	31
1919	19
1920	31
1921	46
1922	67
1923	75
1924	210
1925	127
1926	182
1927	136
1928	166
1929	324
1930	264
1931	233
1932	550
1933	622
1934	654
1935	584
1936	385
1937	502
1938	373
1939	303
1940	333
1941	497
1942	532
1943	578
1944	377
1945	497
1946	642
1947	555
1948	460
1949	1,102
1950	849
1951	668
1952	644
1953	937
1954	407
1955	413
1956	504
1957	320
1958	427
1959	519
1960	408
1961	531
1962	368
1963	416
1964	621
1965	657
1966	596
1967	1,263
1968	604
1969	493
1970	502
1971	464
1972	518
1973	874
1974	895
1975	939
1976	627
1977	500
1978	809
1979	459
1980	671
1981	649
1982	642
1983	1,167
1984	619
1985	901
1986	964
1987	909
1988	651
1989	823
1990	749
1991	687
1992	1,010
1993	1,122
1994	1,291
1995	1,165
1996	823
1997	1,161
1998	1,159
1999	925
2000	1,613
2001	904
2002	778
2003	1,254
2004	827
2005	901
2006	1,157
2007	976
2008	1,204
2009	1,003
2010	1,313
2011	1,071
2012	874
2013	775
2014	515
2015	661
2016	522
2017	686
2018	399
2019	800
2020	689
2021	751
2022	1,016
2023	720
2024	938
2025	359
2026	521

Download the Data

Data for records on 1939-09-01: 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 50	216
50 to 100	5
100 to 150	2
150 to 200	0
200 to 250	1