Weather Records on 1 September 1931

233 weather records were set or tied worldwide on 1 September 1931. Highest significance: 1 ENE Fairfield, US.

Key Facts for 1 September 1931

On 1 September 1931, 233 weather records were set or tied at long-record stations worldwide.
32 were record highs and 37 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 225 daily.
1 ENE Fairfield set a daily record precipitation of 85.3 mm (3.4 in) on 1 September 1931.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 442 records.

Record Map

233 stations

233 station records on 1 September 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
1 ENE Fairfield	United States	Record daily precipitation	85.3 mm (3.4 in)	47 of 100 (Notable)
Phulbani	India	Record daily precipitation	114.8 mm (4.5 in)	45 of 100 (Notable)
Ottumwa 1 WSW	United States	Record daily precipitation	94.0 mm (3.7 in)	44 of 100 (Notable)
Sultan Bazar	India	Record daily precipitation	91.4 mm (3.6 in)	42 of 100 (Notable)
Keokuk L&D 19	United States	Record daily precipitation	70.1 mm (2.8 in)	41 of 100 (Notable)
Jefferson City Wtp	United States	Record daily precipitation	77.2 mm (3.0 in)	41 of 100 (Notable)
Begumpet Obsy	India	Record daily precipitation	85.3 mm (3.4 in)	39 of 100 (Notable)
Atchison	United States	Record daily precipitation	93.5 mm (3.7 in)	37 of 100 (Notable)
Bethany	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Monmouth	United States	Record daily precipitation	86.9 mm (3.4 in)	35 of 100 (Notable)
Fairfield	United States	Record daily precipitation	83.6 mm (3.3 in)	35 of 100 (Notable)
Burlington Muni AP	United States	Record daily precipitation	67.3 mm (2.6 in)	35 of 100 (Notable)
Sigourney	United States	Record daily precipitation	64.8 mm (2.6 in)	34 of 100 (Routine)
Manhattan	United States	Record daily precipitation	117.9 mm (4.6 in)	34 of 100 (Routine)
Greenville	United States	Record daily precipitation	51.6 mm (2.0 in)	33 of 100 (Routine)
Kirksville	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Khurda	India	Record daily precipitation	87.6 mm (3.4 in)	32 of 100 (Routine)
Grundy Ctr	United States	Record daily precipitation	80.3 mm (3.2 in)	30 of 100 (Routine)
Nazira	India	Record daily precipitation	85.9 mm (3.4 in)	28 of 100 (Routine)
Columbia Wb City	United States	Record daily precipitation	105.4 mm (4.1 in)	28 of 100 (Routine)
Janwada	India	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Pandherikawara	India	Record daily precipitation	70.4 mm (2.8 in)	27 of 100 (Routine)
Samrala	India	Record daily precipitation	115.1 mm (4.5 in)	27 of 100 (Routine)
Galva	United States	Record daily precipitation	78.7 mm (3.1 in)	27 of 100 (Routine)
St Ignace	United States	Record daily precipitation	28.4 mm (1.1 in)	27 of 100 (Routine)
Parvatipur	India	Record daily precipitation	51.6 mm (2.0 in)	26 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Mokakchung	India	Record daily precipitation	71.9 mm (2.8 in)	25 of 100 (Routine)
Rupar	India	Record daily precipitation	76.7 mm (3.0 in)	25 of 100 (Routine)
Quincy	United States	Record daily precipitation	50.0 mm (2.0 in)	25 of 100 (Routine)
Tibri	India	Record daily precipitation	80.0 mm (3.1 in)	24 of 100 (Routine)
La Harpe	United States	Record daily precipitation	62.5 mm (2.5 in)	24 of 100 (Routine)
Washington	United States	Record daily precipitation	53.3 mm (2.1 in)	24 of 100 (Routine)
Mascoutah	United States	Record daily precipitation	32.0 mm (1.3 in)	23 of 100 (Routine)
Warsaw	United States	Record daily precipitation	85.3 mm (3.4 in)	23 of 100 (Routine)
Wamego 4 W	United States	Record daily precipitation	102.4 mm (4.0 in)	23 of 100 (Routine)
Halflong Obsy	India	Record daily precipitation	66.5 mm (2.6 in)	22 of 100 (Routine)
Du Quoin 4 SE	United States	Record daily precipitation	47.5 mm (1.9 in)	22 of 100 (Routine)
Flora 5 NW	United States	Record daily precipitation	90.2 mm (3.6 in)	22 of 100 (Routine)
Aurora Water	United States	Record daily precipitation	42.7 mm (1.7 in)	21 of 100 (Routine)
Warrenton 1 N	United States	Record daily precipitation	40.4 mm (1.6 in)	21 of 100 (Routine)
St Louis Eads Brg	United States	Record daily precipitation	102.1 mm (4.0 in)	21 of 100 (Routine)
Malin Head	Ireland	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Lichtentanne	Germany	Record daily precipitation	11.0 mm (0.4 in)	20 of 100 (Routine)
Vouziers	France	Record daily precipitation	18.6 mm (0.7 in)	20 of 100 (Routine)
Escanaba	United States	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Chemnitz	Germany	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Tyrrell Downs	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Anacortes	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Wolseley	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Ottawa	Canada	Record low minimum temperature	6.1 C (43.0 F)	20 of 100 (Routine)
Columbus Junction	United States	Record daily precipitation	74.2 mm (2.9 in)	20 of 100 (Routine)
Fayette	United States	Record daily precipitation	56.9 mm (2.2 in)	20 of 100 (Routine)
Kanas	India	Record daily precipitation	94.0 mm (3.7 in)	19 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	19 of 100 (Routine)
Ottawa 4SW	United States	Record daily precipitation	33.5 mm (1.3 in)	19 of 100 (Routine)
Butlerville 2 WNW	United States	Record daily precipitation	24.9 mm (1.0 in)	19 of 100 (Routine)
Mt Pleasant 1 SW	United States	Record daily precipitation	41.9 mm (1.6 in)	19 of 100 (Routine)
Prairie du Chien	United States	Record daily precipitation	77.2 mm (3.0 in)	19 of 100 (Routine)
Shelford	Australia	Record daily precipitation	6.1 mm (0.24 in)	18 of 100 (Routine)

Counts by Type and Timescale

233 records

Records set or tied on 1 September 1931 by type: Highest daily maximum 7, Lowest daily maximum 16, Highest daily minimum 25, Lowest daily minimum 21, Heaviest daily rainfall 164.

Records on 1 September 1931 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	16
Highest daily minimum	25
Lowest daily minimum	21
Heaviest daily rainfall	164
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 1931 by timescale: all-time 0, monthly 8, daily 225.

How Much Records Were Beaten By

202 broken records

Margins by which the 202 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.3. Ties are not counted.

Top 20 by Significance

1 September 1931

Top 20 records on 1 September 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 1931	1 ENE Fairfield, US	daily rain	85.3 mm (3.4 in)	65.0 mm (2.6 in)	14 years	47 of 100 (Notable)
1 September 1931	Phulbani, IN	daily rain	114.8 mm (4.5 in)	57.4 mm (2.3 in)	28 years	45 of 100 (Notable)
1 September 1931	Ottumwa 1 WSW, US	daily rain	94.0 mm (3.7 in)	82.3 mm (3.2 in)	4 years	44 of 100 (Notable)
1 September 1931	Sultan Bazar, IN	daily rain	91.4 mm (3.6 in)	60.2 mm (2.4 in)	28 years	42 of 100 (Notable)
1 September 1931	Keokuk L&D 19, US	daily rain	70.1 mm (2.8 in)	49.8 mm (2.0 in)	16 years	41 of 100 (Notable)
1 September 1931	Jefferson City Wtp, US	daily rain	77.2 mm (3.0 in)	55.6 mm (2.2 in)	4 years	41 of 100 (Notable)
1 September 1931	Begumpet Obsy, IN	daily rain	85.3 mm (3.4 in)	53.8 mm (2.1 in)	28 years	39 of 100 (Notable)
1 September 1931	Atchison, US	daily rain	93.5 mm (3.7 in)	54.9 mm (2.2 in)	8 years	37 of 100 (Notable)
1 September 1931	Bethany, US	daily rain	50.8 mm (2.0 in)	44.4 mm (1.7 in)	21 years	36 of 100 (Notable)
1 September 1931	Monmouth, US	daily rain	86.9 mm (3.4 in)	52.6 mm (2.1 in)	4 years	35 of 100 (Notable)
1 September 1931	Fairfield, US	daily rain	83.6 mm (3.3 in)	43.0 mm (1.7 in)	16 years	35 of 100 (Notable)
1 September 1931	Burlington Muni AP, US	daily rain	67.3 mm (2.6 in)	44.4 mm (1.7 in)	22 years	35 of 100 (Notable)
1 September 1931	Sigourney, US	daily rain	64.8 mm (2.6 in)	36.1 mm (1.4 in)	14 years	34 of 100 (Routine)
1 September 1931	Manhattan, US	monthly rain	117.9 mm (4.6 in)	29.8 mm (1.2 in)	4 years	34 of 100 (Routine)
1 September 1931	Greenville, US	daily rain	51.6 mm (2.0 in)	32.5 mm (1.3 in)	14 years	33 of 100 (Routine)
1 September 1931	Kirksville, US	daily rain	50.8 mm (2.0 in)	40.6 mm (1.6 in)	30 years	33 of 100 (Routine)
1 September 1931	Khurda, IN	daily rain	87.6 mm (3.4 in)	37.6 mm (1.5 in)	28 years	32 of 100 (Routine)
1 September 1931	Grundy Ctr, US	daily rain	80.3 mm (3.2 in)	26.5 mm (1.0 in)	33 years	30 of 100 (Routine)
1 September 1931	Nazira, IN	daily rain	85.9 mm (3.4 in)	44.0 mm (1.7 in)	6 years	28 of 100 (Routine)
1 September 1931	Columbia Wb City, US	daily rain	105.4 mm (4.1 in)	40.9 mm (1.6 in)	6 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 1931

Records set or tied on this calendar date in each year from 1797 to 1931. 1931 had 233 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 1931-09-01: 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 20	162
20 to 40	22
40 to 60	15
60 to 80	2
80 to 100	1