Weather Records on 1 September 1946

642 weather records were set or tied worldwide on 1 September 1946. Highest significance: Clanwilliam (Pol), ZA.

Key Facts for 1 September 1946

On 1 September 1946, 642 weather records were set or tied at long-record stations worldwide.
30 were record highs and 385 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 15 monthly and 622 daily.
Clanwilliam (Pol) set a monthly record daily precipitation of 44.5 mm (1.8 in) on 1 September 1946.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 440 records.

Record Map

642 stations

642 station records on 1 September 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Clanwilliam (Pol)	South Africa	Record daily precipitation	44.5 mm (1.8 in)	67 of 100 (Major)
Robben Island (Vrt)	South Africa	Record daily precipitation	33.3 mm (1.3 in)	57 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	43.9 mm (1.7 in)	56 of 100 (Notable)
Midnapore	India	Record daily precipitation	131.6 mm (5.2 in)	55 of 100 (Notable)
Nanambinia	Australia	Record daily precipitation	34.5 mm (1.4 in)	52 of 100 (Notable)
Rena	Norway	Record daily precipitation	43.1 mm (1.7 in)	52 of 100 (Notable)
Vanrhysdorp	South Africa	Record daily precipitation	33.3 mm (1.3 in)	52 of 100 (Notable)
Trichur	India	Record daily precipitation	151.4 mm (6.0 in)	51 of 100 (Notable)
Orebro	Sweden	Record daily precipitation	29.6 mm (1.2 in)	49 of 100 (Notable)
Tanda	India	Record daily precipitation	247.9 mm (9.8 in)	47 of 100 (Notable)
Nes Pa Hedmark	Norway	Record daily precipitation	36.5 mm (1.4 in)	46 of 100 (Notable)
Myrup	Australia	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Noondoonia	Australia	Record daily precipitation	26.4 mm (1.0 in)	45 of 100 (Notable)
Mahul Pnulpur	India	Record daily precipitation	167.4 mm (6.6 in)	45 of 100 (Notable)
Bolpur	India	Record daily precipitation	132.1 mm (5.2 in)	45 of 100 (Notable)
Orje	Norway	Record daily precipitation	61.1 mm (2.4 in)	45 of 100 (Notable)
Hopefield (Pol)	South Africa	Record daily precipitation	49.0 mm (1.9 in)	45 of 100 (Notable)
Chowghat	India	Record daily precipitation	151.4 mm (6.0 in)	44 of 100 (Notable)
Ravensthorpe	Australia	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Banka	India	Record daily precipitation	111.8 mm (4.4 in)	42 of 100 (Notable)
Panskura	India	Record daily precipitation	111.8 mm (4.4 in)	41 of 100 (Notable)
Falun	Sweden	Record daily precipitation	36.7 mm (1.4 in)	41 of 100 (Notable)
Buxar	India	Record daily precipitation	114.8 mm (4.5 in)	40 of 100 (Notable)
Katwa	India	Record daily precipitation	104.1 mm (4.1 in)	40 of 100 (Notable)
Atalaia	Brazil	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Perundurai	India	Record daily precipitation	50.5 mm (2.0 in)	38 of 100 (Notable)
Ambalapuza	India	Record daily precipitation	78.7 mm (3.1 in)	37 of 100 (Notable)
Wupperthal	South Africa	Record daily precipitation	39.6 mm (1.6 in)	37 of 100 (Notable)
Reenen	South Africa	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
Sarpsborg	Norway	Record daily precipitation	47.0 mm (1.9 in)	36 of 100 (Notable)
Stromsfoss Sluse	Norway	Record daily precipitation	58.0 mm (2.3 in)	36 of 100 (Notable)
The Towers	South Africa	Record daily precipitation	59.7 mm (2.4 in)	36 of 100 (Notable)
Vedasandur	India	Record daily precipitation	68.1 mm (2.7 in)	35 of 100 (Notable)
Halden	Norway	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
Biri	Norway	Record daily precipitation	51.0 mm (2.0 in)	35 of 100 (Notable)
Sarna	Sweden	Record daily precipitation	25.6 mm (1.0 in)	34 of 100 (Routine)
Imphal (C.Hosp)	India	Record daily precipitation	91.7 mm (3.6 in)	33 of 100 (Routine)
Vysnij Volocek	Russia	Record daily precipitation	27.6 mm (1.1 in)	33 of 100 (Routine)
Kluitjeskraal (Bos)	South Africa	Record daily precipitation	39.9 mm (1.6 in)	33 of 100 (Routine)
Luling	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Ponnani	India	Record daily precipitation	76.5 mm (3.0 in)	31 of 100 (Routine)
Triprayar	India	Record daily precipitation	78.5 mm (3.1 in)	31 of 100 (Routine)
Maharajganj	India	Record daily precipitation	106.9 mm (4.2 in)	31 of 100 (Routine)
Hedal I Valdres	Norway	Record daily precipitation	62.2 mm (2.4 in)	31 of 100 (Routine)
Hermiston 1 SE	United States	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Madhubani	India	Record daily precipitation	97.0 mm (3.8 in)	30 of 100 (Routine)
Gogri	India	Record daily precipitation	136.7 mm (5.4 in)	30 of 100 (Routine)
Tulbagh (Pol)	South Africa	Record daily precipitation	37.8 mm (1.5 in)	30 of 100 (Routine)
Gadsden	United States	Record low minimum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Naubatpur	India	Record daily precipitation	114.3 mm (4.5 in)	29 of 100 (Routine)
Vriddhachalam	India	Record daily precipitation	76.7 mm (3.0 in)	29 of 100 (Routine)
Oolitic Purdue Ex Fm	United States	Record low maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Ghazipur	India	Record daily precipitation	59.7 mm (2.4 in)	28 of 100 (Routine)
Cloudskraal	South Africa	Record daily precipitation	36.6 mm (1.4 in)	28 of 100 (Routine)
Huron Rgnl AP	United States	Record low minimum temperature	0.6 C (33.1 F)	28 of 100 (Routine)
Carbondale Sewage Plt	United States	Record low maximum temperature	22.2 C (72.0 F)	27 of 100 (Routine)
Truchas	United States	Record low minimum temperature	-2.8 C (27.0 F)	27 of 100 (Routine)
Weldon	United States	Record low minimum temperature	8.3 C (46.9 F)	27 of 100 (Routine)
Coldwater	Canada	Record low maximum temperature	14.4 C (57.9 F)	26 of 100 (Routine)
Ammathy	India	Record daily precipitation	31.2 mm (1.2 in)	26 of 100 (Routine)

Counts by Type and Timescale

642 records

Records set or tied on 1 September 1946 by type: Highest daily maximum 13, Lowest daily maximum 95, Highest daily minimum 17, Lowest daily minimum 290, Heaviest daily rainfall 226, Heaviest daily snowfall 1.

Records on 1 September 1946 by type
Record type	Records
Highest daily maximum	13
Lowest daily maximum	95
Highest daily minimum	17
Lowest daily minimum	290
Heaviest daily rainfall	226
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 1 September 1946 by timescale: all-time 5, monthly 15, daily 622.

How Much Records Were Beaten By

548 broken records

Margins by which the 548 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 122.2. Ties are not counted.

Top 20 by Significance

1 September 1946

Top 20 records on 1 September 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 1946	Clanwilliam (Pol), ZA	monthly rain	44.5 mm (1.8 in)	15.5 mm (0.6 in)	57 years	67 of 100 (Major)
1 September 1946	Robben Island (Vrt), ZA	daily rain	33.3 mm (1.3 in)	20.6 mm (0.8 in)	48 years	57 of 100 (Notable)
1 September 1946	Elizabethtown, US	monthly rain	43.9 mm (1.7 in)	17.0 mm (0.7 in)	30 years	56 of 100 (Notable)
1 September 1946	Midnapore, IN	daily rain	131.6 mm (5.2 in)	74.4 mm (2.9 in)	39 years	55 of 100 (Notable)
1 September 1946	Nanambinia, AU	daily rain	34.5 mm (1.4 in)	32.2 mm (1.3 in)	27 years	52 of 100 (Notable)
1 September 1946	Rena, NO	daily rain	43.1 mm (1.7 in)	28.8 mm (1.1 in)	28 years	52 of 100 (Notable)
1 September 1946	Vanrhysdorp, ZA	monthly rain	33.3 mm (1.3 in)	7.6 mm (0.30 in)	57 years	52 of 100 (Notable)
1 September 1946	Trichur, IN	daily rain	151.4 mm (6.0 in)	95.5 mm (3.8 in)	25 years	51 of 100 (Notable)
1 September 1946	Orebro, SE	daily rain	29.6 mm (1.2 in)	12.4 mm (0.5 in)	69 years	49 of 100 (Notable)
1 September 1946	Tanda, IN	all-time rain	247.9 mm (9.8 in)	32.5 mm (1.3 in)	36 years	47 of 100 (Notable)
1 September 1946	Nes Pa Hedmark, NO	daily rain	36.5 mm (1.4 in)	21.2 mm (0.8 in)	23 years	46 of 100 (Notable)
1 September 1946	Myrup, AU	daily rain	34.3 mm (1.4 in)	17.5 mm (0.7 in)	31 years	45 of 100 (Notable)
1 September 1946	Noondoonia, AU	daily rain	26.4 mm (1.0 in)	24.1 mm (0.9 in)	7 years	45 of 100 (Notable)
1 September 1946	Mahul Pnulpur, IN	daily rain	167.4 mm (6.6 in)	83.6 mm (3.3 in)	36 years	45 of 100 (Notable)
1 September 1946	Bolpur, IN	daily rain	132.1 mm (5.2 in)	71.6 mm (2.8 in)	9 years	45 of 100 (Notable)
1 September 1946	Orje, NO	all-time rain	61.1 mm (2.4 in)	4.9 mm (0.19 in)	44 years	45 of 100 (Notable)
1 September 1946	Hopefield (Pol), ZA	daily rain	49.0 mm (1.9 in)	30.5 mm (1.2 in)	4 years	45 of 100 (Notable)
1 September 1946	Chowghat, IN	daily rain	151.4 mm (6.0 in)	122.2 mm (4.8 in)	3 years	44 of 100 (Notable)
1 September 1946	Ravensthorpe, AU	monthly rain	30.5 mm (1.2 in)	7.6 mm (0.30 in)	32 years	43 of 100 (Notable)
1 September 1946	Banka, IN	daily rain	111.8 mm (4.4 in)	60.0 mm (2.4 in)	28 years	42 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 1946

Records set or tied on this calendar date in each year from 1797 to 1946. 1946 had 642 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 1946-09-01: 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	500
20 to 40	32
40 to 60	7
60 to 80	6
80 to 100	2
100 to 120	0
120 to 140	1