Weather Records on 1 September 1941

497 weather records were set or tied worldwide on 1 September 1941. Highest significance: Inga, BR.

Key Facts for 1 September 1941

On 1 September 1941, 497 weather records were set or tied at long-record stations worldwide.
186 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 474 daily.
Inga set a monthly record daily precipitation of 51.9 mm (2.0 in) on 1 September 1941.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 441 records.

Record Map

497 stations

497 station records on 1 September 1941 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 1941: highest significance records shown on the map
Station	Country	Type	Value	Significance
Inga	Brazil	Record daily precipitation	51.9 mm (2.0 in)	60 of 100 (Major)
Lowville	United States	Record daily precipitation	96.8 mm (3.8 in)	60 of 100 (Major)
Sherghati	India	Record daily precipitation	164.6 mm (6.5 in)	54 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record daily precipitation	50.5 mm (2.0 in)	48 of 100 (Notable)
Patan	India	Record daily precipitation	120.7 mm (4.8 in)	48 of 100 (Notable)
Mascoutah	United States	Record daily precipitation	101.6 mm (4.0 in)	47 of 100 (Notable)
Corvallis State UNIV	United States	Record daily precipitation	34.3 mm (1.4 in)	47 of 100 (Notable)
Forest Grove	United States	Record daily precipitation	29.7 mm (1.2 in)	47 of 100 (Notable)
Keene	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Drain	United States	Record daily precipitation	26.9 mm (1.1 in)	46 of 100 (Notable)
Vernon	United States	Record daily precipitation	67.3 mm (2.6 in)	45 of 100 (Notable)
Salem AP (McNary Field)	United States	Record daily precipitation	29.2 mm (1.1 in)	42 of 100 (Notable)
Bishrampur	India	Record daily precipitation	100.3 mm (3.9 in)	40 of 100 (Notable)
Ongole	India	Record daily precipitation	66.8 mm (2.6 in)	39 of 100 (Notable)
Arad	Romania	Record daily precipitation	42.3 mm (1.7 in)	39 of 100 (Notable)
Rawsonville (Pol)	South Africa	Record daily precipitation	57.2 mm (2.3 in)	39 of 100 (Notable)
Malmesbury	South Africa	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Akbarpur	India	Record daily precipitation	139.7 mm (5.5 in)	38 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)
Chicoutimi	Canada	Record daily precipitation	27.7 mm (1.1 in)	35 of 100 (Notable)
Salisbury	United States	Record daily precipitation	61.5 mm (2.4 in)	35 of 100 (Notable)
Villupuram	India	Record daily precipitation	98.6 mm (3.9 in)	34 of 100 (Routine)
Madras/Minambakkam	India	Record daily precipitation	78.7 mm (3.1 in)	34 of 100 (Routine)
Fredonia	United States	Record daily precipitation	70.9 mm (2.8 in)	34 of 100 (Routine)
Appleton City	United States	Record daily precipitation	78.7 mm (3.1 in)	34 of 100 (Routine)
Penukonda	India	Record daily precipitation	62.0 mm (2.4 in)	33 of 100 (Routine)
Podili(Podile)	India	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Mechanicville 2 S	United States	Record daily precipitation	100.3 mm (3.9 in)	32 of 100 (Routine)
Kopati(Kaupati)	India	Record daily precipitation	82.6 mm (3.3 in)	31 of 100 (Routine)
Ellsworth	United States	Record daily precipitation	77.0 mm (3.0 in)	31 of 100 (Routine)
Newport	United States	Record daily precipitation	33.8 mm (1.3 in)	31 of 100 (Routine)
Sikraul	India	Record daily precipitation	79.0 mm (3.1 in)	30 of 100 (Routine)
Amherst	United States	Record daily precipitation	51.8 mm (2.0 in)	30 of 100 (Routine)
North Lake	United States	Record daily precipitation	100.3 mm (3.9 in)	30 of 100 (Routine)
Port Orford 2	United States	Record daily precipitation	36.3 mm (1.4 in)	30 of 100 (Routine)
Szeged	Hungary	Record daily precipitation	43.6 mm (1.7 in)	29 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record high minimum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Cairo 3 S	United States	Record daily precipitation	32.8 mm (1.3 in)	29 of 100 (Routine)
Kilauea 1134	United States	Record high minimum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
Pana	United States	Record daily precipitation	57.7 mm (2.3 in)	28 of 100 (Routine)
Tribes Hill	United States	Record daily precipitation	82.6 mm (3.3 in)	28 of 100 (Routine)
Pavagada	India	Record daily precipitation	48.5 mm (1.9 in)	27 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	48.3 mm (1.9 in)	27 of 100 (Routine)
Bassawan	India	Record daily precipitation	57.2 mm (2.3 in)	26 of 100 (Routine)
Manassa	United States	Record high maximum temperature	31.1 C (88.0 F)	26 of 100 (Routine)
McKinley	United States	Record daily precipitation	27.9 mm (1.1 in)	26 of 100 (Routine)
Point Escuminac	Canada	Record daily precipitation	27.7 mm (1.1 in)	25 of 100 (Routine)
Athipettu	India	Record daily precipitation	74.9 mm (2.9 in)	25 of 100 (Routine)
Table.Mtn Woodhead Tunnel	South Africa	Record daily precipitation	40.1 mm (1.6 in)	25 of 100 (Routine)
Coatesville 1 SW	United States	Record high minimum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
Avanigadda	India	Record daily precipitation	48.3 mm (1.9 in)	24 of 100 (Routine)
Barduar	India	Record daily precipitation	82.8 mm (3.3 in)	24 of 100 (Routine)
Jayamkondam	India	Record daily precipitation	71.1 mm (2.8 in)	24 of 100 (Routine)
Effingham 3SW	United States	Record daily precipitation	39.4 mm (1.6 in)	24 of 100 (Routine)
Watertown	United States	Record daily precipitation	31.0 mm (1.2 in)	24 of 100 (Routine)
Mundaring	Australia	Record daily precipitation	27.4 mm (1.1 in)	23 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high maximum temperature	22.7 C (72.9 F)	23 of 100 (Routine)
Cap Chat	Canada	Record daily precipitation	26.4 mm (1.0 in)	23 of 100 (Routine)
Pbo Anantapur	India	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Banjar(Saraj-Teh)	India	Record daily precipitation	48.3 mm (1.9 in)	23 of 100 (Routine)

Counts by Type and Timescale

497 records

Records set or tied on 1 September 1941 by type: Highest daily maximum 40, Lowest daily maximum 54, Highest daily minimum 146, Lowest daily minimum 27, Heaviest daily rainfall 230.

Records on 1 September 1941 by type
Record type	Records
Highest daily maximum	40
Lowest daily maximum	54
Highest daily minimum	146
Lowest daily minimum	27
Heaviest daily rainfall	230
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 1941 by timescale: all-time 0, monthly 23, daily 474.

How Much Records Were Beaten By

382 broken records

Margins by which the 382 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 115.8. Ties are not counted.

Top 20 by Significance

1 September 1941

Top 20 records on 1 September 1941 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 1941	Inga, BR	monthly rain	51.9 mm (2.0 in)	21.0 mm (0.8 in)	23 years	60 of 100 (Major)
1 September 1941	Lowville, US	monthly rain	96.8 mm (3.8 in)	38.4 mm (1.5 in)	16 years	60 of 100 (Major)
1 September 1941	Sherghati, IN	daily rain	164.6 mm (6.5 in)	115.8 mm (4.6 in)	40 years	54 of 100 (Notable)
1 September 1941	Sarajevo, BA	daily rain	50.5 mm (2.0 in)	33.4 mm (1.3 in)	31 years	48 of 100 (Notable)
1 September 1941	Patan, IN	daily rain	120.7 mm (4.8 in)	92.3 mm (3.6 in)	18 years	48 of 100 (Notable)
1 September 1941	Mascoutah, US	daily rain	101.6 mm (4.0 in)	69.6 mm (2.7 in)	10 years	47 of 100 (Notable)
1 September 1941	Corvallis State UNIV, US	daily rain	34.3 mm (1.4 in)	27.9 mm (1.1 in)	12 years	47 of 100 (Notable)
1 September 1941	Forest Grove, US	daily rain	29.7 mm (1.2 in)	21.3 mm (0.8 in)	43 years	47 of 100 (Notable)
1 September 1941	Keene, US	daily rain	50.8 mm (2.0 in)	36.8 mm (1.4 in)	40 years	46 of 100 (Notable)
1 September 1941	Drain, US	daily rain	26.9 mm (1.1 in)	23.9 mm (0.9 in)	28 years	46 of 100 (Notable)
1 September 1941	Vernon, US	daily rain	67.3 mm (2.6 in)	42.2 mm (1.7 in)	40 years	45 of 100 (Notable)
1 September 1941	Salem AP (McNary Field), US	daily rain	29.2 mm (1.1 in)	16.5 mm (0.6 in)	46 years	42 of 100 (Notable)
1 September 1941	Bishrampur, IN	daily rain	100.3 mm (3.9 in)	60.9 mm (2.4 in)	30 years	40 of 100 (Notable)
1 September 1941	Ongole, IN	daily rain	66.8 mm (2.6 in)	40.4 mm (1.6 in)	20 years	39 of 100 (Notable)
1 September 1941	Arad, RO	monthly rain	42.3 mm (1.7 in)	4.8 mm (0.19 in)	57 years	39 of 100 (Notable)
1 September 1941	Rawsonville (Pol), ZA	daily rain	57.2 mm (2.3 in)	36.1 mm (1.4 in)	26 years	39 of 100 (Notable)
1 September 1941	Malmesbury, ZA	daily rain	26.2 mm (1.0 in)	18.3 mm (0.7 in)	27 years	39 of 100 (Notable)
1 September 1941	Akbarpur, IN	daily rain	139.7 mm (5.5 in)	76.2 mm (3.0 in)	22 years	38 of 100 (Notable)
1 September 1941	Mc Minnville, US	daily rain	32.0 mm (1.3 in)	27.4 mm (1.1 in)	4 years	37 of 100 (Notable)
1 September 1941	Chicoutimi, CA	daily rain	27.7 mm (1.1 in)	7.1 mm (0.28 in)	64 years	35 of 100 (Notable)

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 1941

Records set or tied on this calendar date in each year from 1797 to 1941. 1941 had 497 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 1941-09-01: 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	331
20 to 40	37
40 to 60	9
60 to 80	3
80 to 100	1
100 to 120	1