Weather Records on 4 September 1946

431 weather records were set or tied worldwide on 4 September 1946. Highest significance: Saskatoon Diefenbaker Int'l A, CA.

Key Facts for 4 September 1946

On 4 September 1946, 431 weather records were set or tied at long-record stations worldwide.
61 were record highs and 243 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 12 monthly and 417 daily.
Saskatoon Diefenbaker Int'l A set a daily record precipitation of 34.5 mm (1.4 in) on 4 September 1946.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 451 records.

Record Map

431 stations

431 station records on 4 September 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Saskatoon Diefenbaker Int'l A	Canada	Record daily precipitation	34.5 mm (1.4 in)	51 of 100 (Notable)
Saskatoon U of S	Canada	Record daily precipitation	40.4 mm (1.6 in)	51 of 100 (Notable)
Tecumseh 1S	United States	Record daily precipitation	104.6 mm (4.1 in)	51 of 100 (Notable)
Jagalur	India	Record daily precipitation	106.7 mm (4.2 in)	47 of 100 (Notable)
Thurman	United States	Record daily precipitation	165.6 mm (6.5 in)	47 of 100 (Notable)
Nongoma	South Africa	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Malvern	United Kingdom	Record daily precipitation	27.3 mm (1.1 in)	45 of 100 (Notable)
Nayagarh	India	Record daily precipitation	95.3 mm (3.8 in)	42 of 100 (Notable)
Tirumayam	India	Record daily precipitation	87.9 mm (3.5 in)	41 of 100 (Notable)
Auburn 5 ESE	United States	Record daily precipitation	57.2 mm (2.3 in)	41 of 100 (Notable)
Tuscarora Andrae Rch	United States	Record daily precipitation	26.7 mm (1.1 in)	41 of 100 (Notable)
Falls City Brenner Fld	United States	Record daily precipitation	68.6 mm (2.7 in)	41 of 100 (Notable)
Alangudi	India	Record daily precipitation	76.2 mm (3.0 in)	39 of 100 (Notable)
Khandala	India	Record daily precipitation	58.7 mm (2.3 in)	38 of 100 (Notable)
Syracuse	United States	Record daily precipitation	54.6 mm (2.1 in)	38 of 100 (Notable)
Glenwood 3SW	United States	Record daily precipitation	117.9 mm (4.6 in)	36 of 100 (Notable)
Nebraska City 1 NW	United States	Record daily precipitation	88.6 mm (3.5 in)	36 of 100 (Notable)
Pawnee City	United States	Record daily precipitation	136.4 mm (5.4 in)	36 of 100 (Notable)
Simcoe	Canada	Record low minimum temperature	0.0 C (32.0 F)	34 of 100 (Routine)
Belleville	Canada	Record low minimum temperature	2.2 C (36.0 F)	34 of 100 (Routine)
Avanigadda	India	Record daily precipitation	114.3 mm (4.5 in)	33 of 100 (Routine)
Sholingur	India	Record daily precipitation	83.8 mm (3.3 in)	33 of 100 (Routine)
Cuero	United States	Record daily precipitation	55.1 mm (2.2 in)	33 of 100 (Routine)
Stratford	Canada	Record low minimum temperature	3.3 C (37.9 F)	31 of 100 (Routine)
Harapanahalli	India	Record daily precipitation	42.7 mm (1.7 in)	31 of 100 (Routine)
Selbu-Stubbe	Norway	Record daily precipitation	37.1 mm (1.5 in)	30 of 100 (Routine)
Table Rock 4N	United States	Record daily precipitation	125.7 mm (4.9 in)	30 of 100 (Routine)
Guelph Oac	Canada	Record low minimum temperature	1.1 C (34.0 F)	29 of 100 (Routine)
Ulundurpet	India	Record daily precipitation	85.1 mm (3.4 in)	29 of 100 (Routine)
Adrian 2 NNE	United States	Record low minimum temperature	3.3 C (37.9 F)	29 of 100 (Routine)
Lindsay	Canada	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Harlan	United States	Record daily precipitation	64.5 mm (2.5 in)	28 of 100 (Routine)
Geneva Exp STN	United States	Record low minimum temperature	2.2 C (36.0 F)	28 of 100 (Routine)
Cuddalore	India	Record daily precipitation	87.4 mm (3.4 in)	27 of 100 (Routine)
Tarkio	United States	Record daily precipitation	71.6 mm (2.8 in)	27 of 100 (Routine)
Ranfurly	Canada	Record daily precipitation	28.7 mm (1.1 in)	26 of 100 (Routine)
Woodstock	Canada	Record low minimum temperature	1.1 C (34.0 F)	26 of 100 (Routine)
Toronto Agincourt	Canada	Record low minimum temperature	2.2 C (36.0 F)	26 of 100 (Routine)
Patacharkuchi	India	Record daily precipitation	165.1 mm (6.5 in)	26 of 100 (Routine)
Holland Wtp	United States	Record low minimum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
Hermanas	United States	Record daily precipitation	25.1 mm (1.0 in)	26 of 100 (Routine)
Sirkali	India	Record daily precipitation	47.0 mm (1.9 in)	25 of 100 (Routine)
Hiram	United States	Record low minimum temperature	3.9 C (39.0 F)	25 of 100 (Routine)
Beatrice	Canada	Record low minimum temperature	-2.2 C (28.0 F)	24 of 100 (Routine)
Vanur	India	Record daily precipitation	96.5 mm (3.8 in)	24 of 100 (Routine)
Port Blair	India	Record daily precipitation	59.9 mm (2.4 in)	24 of 100 (Routine)
Emmett	United States	Record daily precipitation	64.3 mm (2.5 in)	24 of 100 (Routine)
Napoleon	United States	Record low minimum temperature	3.9 C (39.0 F)	24 of 100 (Routine)
Selinsgrove 2 S	United States	Record low minimum temperature	1.7 C (35.1 F)	24 of 100 (Routine)
Buckhannon	United States	Record low minimum temperature	3.9 C (39.0 F)	24 of 100 (Routine)
Coldwater	Canada	Record low minimum temperature	-1.7 C (28.9 F)	23 of 100 (Routine)
Brantford	Canada	Record low minimum temperature	1.1 C (34.0 F)	23 of 100 (Routine)
Salisbury	United States	Record low minimum temperature	-1.7 C (28.9 F)	23 of 100 (Routine)
Oberlin	United States	Record low minimum temperature	2.8 C (37.0 F)	23 of 100 (Routine)
Philo 3 SW	United States	Record low minimum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Wauseon Wtp	United States	Record low minimum temperature	1.7 C (35.1 F)	23 of 100 (Routine)
Carlisle	United States	Record low minimum temperature	5.6 C (42.1 F)	23 of 100 (Routine)
Racine Wwtp	United States	Record low minimum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Kakabeka Falls	Canada	Record daily precipitation	28.2 mm (1.1 in)	22 of 100 (Routine)
Peterborough	Canada	Record low minimum temperature	-0.6 C (30.9 F)	22 of 100 (Routine)

Counts by Type and Timescale

431 records

Records set or tied on 4 September 1946 by type: Highest daily maximum 18, Lowest daily maximum 25, Highest daily minimum 43, Lowest daily minimum 218, Heaviest daily rainfall 126, Heaviest daily snowfall 1.

Records on 4 September 1946 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	25
Highest daily minimum	43
Lowest daily minimum	218
Heaviest daily rainfall	126
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 4 September 1946 by timescale: all-time 2, monthly 12, daily 417.

How Much Records Were Beaten By

327 broken records

Margins by which the 327 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 147.8. Ties are not counted.

Top 20 by Significance

4 September 1946

Top 20 records on 4 September 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1946	Saskatoon Diefenbaker Int'l A, CA	daily rain	34.5 mm (1.4 in)	26.4 mm (1.0 in)	29 years	51 of 100 (Notable)
4 September 1946	Saskatoon U of S, CA	daily rain	40.4 mm (1.6 in)	34.0 mm (1.3 in)	28 years	51 of 100 (Notable)
4 September 1946	Tecumseh 1S, US	daily rain	104.6 mm (4.1 in)	87.6 mm (3.4 in)	20 years	51 of 100 (Notable)
4 September 1946	Jagalur, IN	daily rain	106.7 mm (4.2 in)	74.9 mm (2.9 in)	12 years	47 of 100 (Notable)
4 September 1946	Thurman, US	daily rain	165.6 mm (6.5 in)	147.8 mm (5.8 in)	9 years	47 of 100 (Notable)
4 September 1946	Nongoma, ZA	daily rain	43.2 mm (1.7 in)	39.9 mm (1.6 in)	9 years	45 of 100 (Notable)
4 September 1946	Malvern, GB	daily rain	27.3 mm (1.1 in)	16.9 mm (0.7 in)	40 years	45 of 100 (Notable)
4 September 1946	Nayagarh, IN	daily rain	95.3 mm (3.8 in)	49.6 mm (2.0 in)	31 years	42 of 100 (Notable)
4 September 1946	Tirumayam, IN	daily rain	87.9 mm (3.5 in)	57.4 mm (2.3 in)	25 years	41 of 100 (Notable)
4 September 1946	Auburn 5 ESE, US	daily rain	57.2 mm (2.3 in)	41.7 mm (1.6 in)	36 years	41 of 100 (Notable)
4 September 1946	Tuscarora Andrae Rch, US	daily rain	26.7 mm (1.1 in)	18.8 mm (0.7 in)	21 years	41 of 100 (Notable)
4 September 1946	Falls City Brenner Fld, US	daily rain	68.6 mm (2.7 in)	64.8 mm (2.6 in)	20 years	41 of 100 (Notable)
4 September 1946	Alangudi, IN	daily rain	76.2 mm (3.0 in)	45.7 mm (1.8 in)	40 years	39 of 100 (Notable)
4 September 1946	Khandala, IN	daily rain	58.7 mm (2.3 in)	41.4 mm (1.6 in)	29 years	38 of 100 (Notable)
4 September 1946	Syracuse, US	daily rain	54.6 mm (2.1 in)	33.8 mm (1.3 in)	49 years	38 of 100 (Notable)
4 September 1946	Glenwood 3SW, US	all-time rain	117.9 mm (4.6 in)	12.2 mm (0.5 in)	14 years	36 of 100 (Notable)
4 September 1946	Nebraska City 1 NW, US	daily rain	88.6 mm (3.5 in)	58.9 mm (2.3 in)	16 years	36 of 100 (Notable)
4 September 1946	Pawnee City, US	all-time rain	136.4 mm (5.4 in)	4.3 mm (0.17 in)	34 years	36 of 100 (Notable)
4 September 1946	Simcoe, CA	daily low min	0.0 C (32.0 F)	4.4 C (7.9 F)	62 years	34 of 100 (Routine)
4 September 1946	Belleville, CA	daily low min	2.2 C (36.0 F)	2.2 C (4.0 F)	73 years	34 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

1802 to 1946

Records set or tied on this calendar date in each year from 1802 to 1946. 1946 had 431 records.

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

Records on 09-04 in each year
Year	Records
1802	1
1805	1
1823	1
1833	1
1837	1
1839	1
1845	1
1847	1
1850	1
1854	1
1856	1
1857	1
1858	1
1861	1
1863	1
1864	1
1867	1
1868	1
1869	2
1871	1
1872	4
1874	1
1875	1
1877	1
1880	4
1881	1
1883	2
1885	3
1887	1
1888	2
1889	1
1890	1
1891	5
1894	4
1895	6
1896	1
1897	4
1898	9
1899	4
1900	1
1901	4
1902	4
1903	2
1904	7
1905	18
1906	16
1907	22
1908	9
1909	23
1910	91
1911	25
1912	29
1913	29
1914	19
1915	37
1916	24
1917	40
1918	96
1919	48
1920	105
1921	105
1922	62
1923	325
1924	167
1925	339
1926	256
1927	68
1928	341
1929	371
1930	102
1931	477
1932	429
1933	424
1934	393
1935	514
1936	309
1937	411
1938	236
1939	434
1940	287
1941	528
1942	323
1943	472
1944	341
1945	542
1946	431
1947	618
1948	409
1949	370
1950	642
1951	404
1952	645
1953	869
1954	372
1955	465
1956	586
1957	250
1958	384
1959	316
1960	552
1961	909
1962	733
1963	443
1964	507
1965	611
1966	428
1967	786
1968	546
1969	510
1970	644
1971	717
1972	513
1973	530
1974	2,279
1975	432
1976	582
1977	386
1978	940
1979	461
1980	355
1981	582
1982	617
1983	1,040
1984	1,107
1985	915
1986	663
1987	685
1988	1,259
1989	681
1990	787
1991	708
1992	1,132
1993	859
1994	1,001
1995	1,287
1996	907
1997	1,452
1998	1,564
1999	1,479
2000	1,336
2001	833
2002	767
2003	1,094
2004	898
2005	998
2006	1,268
2007	1,077
2008	1,335
2009	914
2010	1,804
2011	1,310
2012	1,209
2013	630
2014	461
2015	893
2016	597
2017	881
2018	758
2019	616
2020	957
2021	544
2022	1,256
2023	1,290
2024	985
2025	635
2026	1,222

Download the Data

Data for records on 1946-09-04: 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	296
20 to 40	18
40 to 60	9
60 to 80	2
80 to 100	1
100 to 120	0
120 to 140	0
140 to 160	1