Weather Records on 4 September 1963

443 weather records were set or tied worldwide on 4 September 1963. Highest significance: Wheaton, US.

Key Facts for 4 September 1963

On 4 September 1963, 443 weather records were set or tied at long-record stations worldwide.
103 were record highs and 112 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 437 daily.
Wheaton set a daily record precipitation of 45.7 mm (1.8 in) on 4 September 1963.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 451 records.

Record Map

443 stations

443 station records on 4 September 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wheaton	United States	Record daily precipitation	45.7 mm (1.8 in)	54 of 100 (Notable)
Ukmerge	Lithuania	Record daily precipitation	39.8 mm (1.6 in)	51 of 100 (Notable)
Bonita	United States	Record daily precipitation	25.9 mm (1.0 in)	47 of 100 (Notable)
La Mesa	United States	Record daily precipitation	27.2 mm (1.1 in)	46 of 100 (Notable)
Lock Haven	United States	Record daily precipitation	64.5 mm (2.5 in)	43 of 100 (Notable)
Williamson	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Borina	India	Record daily precipitation	114.8 mm (4.5 in)	40 of 100 (Notable)
Carrizozo 1SW	United States	Record daily precipitation	27.7 mm (1.1 in)	40 of 100 (Notable)
Searcy	United States	Record daily precipitation	43.7 mm (1.7 in)	39 of 100 (Notable)
Clarksville Wwtp	United States	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Bens Run 1 SSE	United States	Record daily precipitation	49.8 mm (2.0 in)	38 of 100 (Notable)
Dover 1 W	United States	Record daily precipitation	52.1 mm (2.1 in)	37 of 100 (Notable)
Weston	United States	Record daily precipitation	38.4 mm (1.5 in)	37 of 100 (Notable)
Welland	Canada	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Clarendon	United States	Record daily precipitation	57.9 mm (2.3 in)	36 of 100 (Notable)
Charleroi Lock 4	United States	Record daily precipitation	51.1 mm (2.0 in)	36 of 100 (Notable)
Rauland	Norway	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Chasm Falls	United States	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
West Grove 1 SE	United States	Record daily precipitation	54.4 mm (2.1 in)	35 of 100 (Notable)
Southampton	Canada	Record low maximum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Kathghora	India	Record daily precipitation	95.1 mm (3.7 in)	34 of 100 (Routine)
Farmerville	United States	Record daily precipitation	42.4 mm (1.7 in)	34 of 100 (Routine)
Animas 3ESE	United States	Record daily precipitation	31.2 mm (1.2 in)	34 of 100 (Routine)
Genoa	Italy	Record daily precipitation	85.2 mm (3.4 in)	33 of 100 (Routine)
Velikie Luki	Russia	Record high maximum temperature	25.7 C (78.3 F)	32 of 100 (Routine)
Casa Grande	United States	Record low maximum temperature	31.1 C (88.0 F)	32 of 100 (Routine)
Chickamauga 2 SW	United States	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Ridgetown	Canada	Record low maximum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Jiwanpur Sagri	India	Record daily precipitation	62.7 mm (2.5 in)	31 of 100 (Routine)
Crossville Ed & Rsch STN	United States	Record daily precipitation	57.7 mm (2.3 in)	31 of 100 (Routine)
Rio Grande (Smn)	Mexico	Record low minimum temperature	2.8 C (37.0 F)	30 of 100 (Routine)
Marianna 2 S	United States	Record daily precipitation	41.4 mm (1.6 in)	30 of 100 (Routine)
Holly Bluff	United States	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
Hinckley 2 SW	United States	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
St Hyacinthe	Canada	Record low maximum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Santa Paula	United States	Record low maximum temperature	21.1 C (70.0 F)	29 of 100 (Routine)
Plant City	United States	Record high maximum temperature	36.1 C (97.0 F)	29 of 100 (Routine)
Saint Johns	United States	Record low maximum temperature	19.4 C (66.9 F)	29 of 100 (Routine)
Yerington	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	73.2 mm (2.9 in)	29 of 100 (Routine)
Taloda	India	Record daily precipitation	74.2 mm (2.9 in)	28 of 100 (Routine)
Owosso Wwtp	United States	Record low maximum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Khurja	India	Record daily precipitation	58.2 mm (2.3 in)	27 of 100 (Routine)
Eastbourne	United Kingdom	Record daily precipitation	26.4 mm (1.0 in)	27 of 100 (Routine)
Globe Rs	United States	Record low maximum temperature	27.8 C (82.0 F)	27 of 100 (Routine)
Newell	United States	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Buckhannon	United States	Record daily precipitation	40.1 mm (1.6 in)	27 of 100 (Routine)
West Bend	United States	Record low maximum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Houston Wb City	United States	Record high maximum temperature	36.1 C (97.0 F)	27 of 100 (Routine)
Bahragora	India	Record daily precipitation	55.5 mm (2.2 in)	26 of 100 (Routine)
Makrai	India	Record daily precipitation	149.1 mm (5.9 in)	26 of 100 (Routine)
Bowie	United States	Record daily precipitation	30.0 mm (1.2 in)	26 of 100 (Routine)
Pemberton	United States	Record daily precipitation	46.7 mm (1.8 in)	26 of 100 (Routine)
Canton 4 SE	United States	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Casa Grande Nm	United States	Record low maximum temperature	32.2 C (90.0 F)	25 of 100 (Routine)
Gila Bend 2SE	United States	Record low maximum temperature	32.2 C (90.0 F)	25 of 100 (Routine)
Roebling	United States	Record daily precipitation	53.3 mm (2.1 in)	25 of 100 (Routine)
Philippi	United States	Record daily precipitation	40.9 mm (1.6 in)	25 of 100 (Routine)
Cochrane	Canada	Record low minimum temperature	-3.9 C (25.0 F)	24 of 100 (Routine)
Ambah	India	Record daily precipitation	58.6 mm (2.3 in)	24 of 100 (Routine)

Counts by Type and Timescale

443 records

Records set or tied on 4 September 1963 by type: Highest daily maximum 38, Lowest daily maximum 93, Highest daily minimum 65, Lowest daily minimum 19, Heaviest daily rainfall 227, Heaviest daily snowfall 1.

Records on 4 September 1963 by type
Record type	Records
Highest daily maximum	38
Lowest daily maximum	93
Highest daily minimum	65
Lowest daily minimum	19
Heaviest daily rainfall	227
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 4 September 1963 by timescale: all-time 0, monthly 6, daily 437.

How Much Records Were Beaten By

349 broken records

Margins by which the 349 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 55.6. Ties are not counted.

Top 20 by Significance

4 September 1963

Top 20 records on 4 September 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1963	Wheaton, US	daily rain	45.7 mm (1.8 in)	34.3 mm (1.4 in)	41 years	54 of 100 (Notable)
4 September 1963	Ukmerge, LT	daily rain	39.8 mm (1.6 in)	24.2 mm (1.0 in)	29 years	51 of 100 (Notable)
4 September 1963	Bonita, US	daily rain	25.9 mm (1.0 in)	25.1 mm (1.0 in)	26 years	47 of 100 (Notable)
4 September 1963	La Mesa, US	daily rain	27.2 mm (1.1 in)	26.4 mm (1.0 in)	26 years	46 of 100 (Notable)
4 September 1963	Lock Haven, US	daily rain	64.5 mm (2.5 in)	32.7 mm (1.3 in)	29 years	43 of 100 (Notable)
4 September 1963	Williamson, US	daily rain	38.1 mm (1.5 in)	23.9 mm (0.9 in)	56 years	42 of 100 (Notable)
4 September 1963	Borina, IN	daily rain	114.8 mm (4.5 in)	52.8 mm (2.1 in)	34 years	40 of 100 (Notable)
4 September 1963	Carrizozo 1SW, US	daily rain	27.7 mm (1.1 in)	21.3 mm (0.8 in)	40 years	40 of 100 (Notable)
4 September 1963	Searcy, US	daily rain	43.7 mm (1.7 in)	33.5 mm (1.3 in)	44 years	39 of 100 (Notable)
4 September 1963	Clarksville Wwtp, US	daily rain	30.5 mm (1.2 in)	15.3 mm (0.6 in)	66 years	38 of 100 (Notable)
4 September 1963	Bens Run 1 SSE, US	daily rain	49.8 mm (2.0 in)	25.7 mm (1.0 in)	24 years	38 of 100 (Notable)
4 September 1963	Dover 1 W, US	daily rain	52.1 mm (2.1 in)	22.6 mm (0.9 in)	56 years	37 of 100 (Notable)
4 September 1963	Weston, US	daily rain	38.4 mm (1.5 in)	19.9 mm (0.8 in)	41 years	37 of 100 (Notable)
4 September 1963	Welland, CA	daily low max	15.6 C (60.1 F)	1.1 C (2.0 F)	84 years	36 of 100 (Notable)
4 September 1963	Clarendon, US	daily rain	57.9 mm (2.3 in)	22.3 mm (0.9 in)	56 years	36 of 100 (Notable)
4 September 1963	Charleroi Lock 4, US	daily rain	51.1 mm (2.0 in)	26.2 mm (1.0 in)	29 years	36 of 100 (Notable)
4 September 1963	Rauland, NO	daily rain	31.0 mm (1.2 in)	16.3 mm (0.6 in)	14 years	35 of 100 (Notable)
4 September 1963	Chasm Falls, US	daily rain	30.0 mm (1.2 in)	21.4 mm (0.8 in)	28 years	35 of 100 (Notable)
4 September 1963	West Grove 1 SE, US	daily rain	54.4 mm (2.1 in)	38.1 mm (1.5 in)	28 years	35 of 100 (Notable)
4 September 1963	Southampton, CA	daily low max	14.4 C (57.9 F)	1.2 C (2.2 F)	77 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 1963

Records set or tied on this calendar date in each year from 1802 to 1963. 1963 had 443 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 1963-09-04: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	264
10 to 20	54
20 to 30	21
30 to 40	7
40 to 50	1
50 to 60	2