Weather Records on 20 September 1963

290 weather records were set or tied worldwide on 20 September 1963. Highest significance: Barkestad, NO.

Key Facts for 20 September 1963

On 20 September 1963, 290 weather records were set or tied at long-record stations worldwide.
109 were record highs and 39 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 4 monthly and 285 daily.
Barkestad set an all-time record daily precipitation of 136.2 mm (5.4 in) on 20 September 1963.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 443 records.

Record Map

290 stations

290 station records on 20 September 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Barkestad	Norway	Record daily precipitation	136.2 mm (5.4 in)	82 of 100 (Exceptional)
Lamar Rs	United States	Record daily precipitation	25.1 mm (1.0 in)	51 of 100 (Notable)
Deerfield 10 NNW	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Silver City	United States	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Homestead Exp STN	United States	Record daily precipitation	140.0 mm (5.5 in)	44 of 100 (Notable)
Palamner	India	Record daily precipitation	73.0 mm (2.9 in)	43 of 100 (Notable)
Ust Tzilma	Russia	Record daily precipitation	36.3 mm (1.4 in)	43 of 100 (Notable)
Kallatty	India	Record daily precipitation	41.0 mm (1.6 in)	41 of 100 (Notable)
Zerbst	Germany	Record daily precipitation	37.0 mm (1.5 in)	40 of 100 (Notable)
Antioch	United States	Record daily precipitation	59.7 mm (2.4 in)	40 of 100 (Notable)
Independence	United States	Record low maximum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
T.Narsipur	India	Record daily precipitation	68.6 mm (2.7 in)	35 of 100 (Notable)
Regensburg	Germany	Record high minimum temperature	15.4 C (59.7 F)	33 of 100 (Routine)
Trinidad	United States	Record daily precipitation	34.8 mm (1.4 in)	32 of 100 (Routine)
Jonkoping	Sweden	Record low minimum temperature	-2.6 C (27.3 F)	31 of 100 (Routine)
Burlington	United States	Record daily precipitation	41.9 mm (1.6 in)	31 of 100 (Routine)
Aibonito 1 S	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Saguache	United States	Record high minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Albion	United States	Record high maximum temperature	35.0 C (95.0 F)	30 of 100 (Routine)
Carrabelle 1 NNW	United States	Record low minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Scaddan Post Office	Australia	Record daily precipitation	36.1 mm (1.4 in)	28 of 100 (Routine)
Vedasandur	India	Record daily precipitation	64.4 mm (2.5 in)	27 of 100 (Routine)
Lake Moraine	United States	Record daily precipitation	30.2 mm (1.2 in)	27 of 100 (Routine)
Bernalillo	United States	Record high minimum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Karlstad	Sweden	Record low minimum temperature	0.2 C (32.4 F)	26 of 100 (Routine)
Marion 2 N	United States	Record high maximum temperature	36.7 C (98.1 F)	26 of 100 (Routine)
Gumri	Armenia	Record high minimum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Kotkhai	India	Record daily precipitation	27.0 mm (1.1 in)	25 of 100 (Routine)
Mecca Fire STN	United States	Record low maximum temperature	31.1 C (88.0 F)	24 of 100 (Routine)
Haiwee	United States	Record low maximum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Punta Gorda	United States	Record high minimum temperature	26.1 C (79.0 F)	23 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	20.3 C (68.5 F)	22 of 100 (Routine)
Annur	India	Record daily precipitation	52.0 mm (2.0 in)	22 of 100 (Routine)
Glenwood Spgs #2	United States	Record high minimum temperature	14.4 C (57.9 F)	22 of 100 (Routine)
Bamberg	Germany	Record high minimum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Cuatro Cienegas (Smn)	Mexico	Record low maximum temperature	25.6 C (78.1 F)	21 of 100 (Routine)
Whiteriver 1 SW	United States	Record high minimum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Castle Rock	United States	Record high minimum temperature	12.8 C (55.0 F)	21 of 100 (Routine)
Dillon 1 E	United States	Record high minimum temperature	8.3 C (46.9 F)	21 of 100 (Routine)
Greeley	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Parker 6 E	United States	Record daily precipitation	31.0 mm (1.2 in)	21 of 100 (Routine)
Halle	Germany	Record daily precipitation	20.4 mm (0.8 in)	20 of 100 (Routine)
Arco	United States	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Wells	United States	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Fruitland	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Hecla	United States	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Castle Rock	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Lensahn	Germany	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Grouse	United States	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Springfield	United States	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Hazelton	United States	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Bernburg/Saale (Nord)	Germany	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Wasco	United States	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
American Falls 6 NE	United States	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Mountainair	United States	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Park Valley	United States	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Wondinong	Australia	Record daily precipitation	7.9 mm (0.31 in)	20 of 100 (Routine)
North Lake	United States	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Rocky Ford 2 SE	United States	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Saint Johns	United States	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

290 records

Records set or tied on 20 September 1963 by type: Highest daily maximum 27, Lowest daily maximum 28, Highest daily minimum 82, Lowest daily minimum 11, Heaviest daily rainfall 142.

Records on 20 September 1963 by type
Record type	Records
Highest daily maximum	27
Lowest daily maximum	28
Highest daily minimum	82
Lowest daily minimum	11
Heaviest daily rainfall	142
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 1963 by timescale: all-time 1, monthly 4, daily 285.

How Much Records Were Beaten By

236 broken records

Margins by which the 236 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.3. Ties are not counted.

Top 20 by Significance

20 September 1963

Top 20 records on 20 September 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1963	Barkestad, NO	all-time rain	136.2 mm (5.4 in)	35.2 mm (1.4 in)	54 years	82 of 100 (Exceptional)
20 September 1963	Lamar Rs, US	daily rain	25.1 mm (1.0 in)	17.5 mm (0.7 in)	32 years	51 of 100 (Notable)
20 September 1963	Deerfield 10 NNW, US	daily rain	50.8 mm (2.0 in)	41.7 mm (1.6 in)	34 years	46 of 100 (Notable)
20 September 1963	Silver City, US	daily rain	33.0 mm (1.3 in)	26.9 mm (1.1 in)	45 years	46 of 100 (Notable)
20 September 1963	Homestead Exp STN, US	daily rain	140.0 mm (5.5 in)	66.3 mm (2.6 in)	21 years	44 of 100 (Notable)
20 September 1963	Palamner, IN	daily rain	73.0 mm (2.9 in)	36.9 mm (1.5 in)	61 years	43 of 100 (Notable)
20 September 1963	Ust Tzilma, RU	daily rain	36.3 mm (1.4 in)	12.9 mm (0.5 in)	22 years	43 of 100 (Notable)
20 September 1963	Kallatty, IN	daily rain	41.0 mm (1.6 in)	25.3 mm (1.0 in)	48 years	41 of 100 (Notable)
20 September 1963	Zerbst, DE	daily rain	37.0 mm (1.5 in)	8.0 mm (0.31 in)	65 years	40 of 100 (Notable)
20 September 1963	Antioch, US	daily rain	59.7 mm (2.4 in)	27.9 mm (1.1 in)	49 years	40 of 100 (Notable)
20 September 1963	Independence, US	daily low max	17.2 C (63.0 F)	5.0 C (9.0 F)	60 years	37 of 100 (Notable)
20 September 1963	T.Narsipur, IN	daily rain	68.6 mm (2.7 in)	26.9 mm (1.1 in)	49 years	35 of 100 (Notable)
20 September 1963	Regensburg, DE	daily high min	15.4 C (59.7 F)	1.5 C (2.7 F)	71 years	33 of 100 (Routine)
20 September 1963	Trinidad, US	daily rain	34.8 mm (1.4 in)	22.1 mm (0.9 in)	21 years	32 of 100 (Routine)
20 September 1963	Jonkoping, SE	monthly low min	-2.6 C (27.3 F)	0.6 C (1.1 F)	40 years	31 of 100 (Routine)
20 September 1963	Burlington, US	daily rain	41.9 mm (1.6 in)	26.4 mm (1.0 in)	1 year	31 of 100 (Routine)
20 September 1963	Aibonito 1 S, PR	daily high min	24.4 C (75.9 F)	2.2 C (4.0 F)	53 years	30 of 100 (Routine)
20 September 1963	Saguache, US	daily high min	10.0 C (50.0 F)	1.1 C (2.0 F)	66 years	30 of 100 (Routine)
20 September 1963	Albion, US	daily high max	35.0 C (95.0 F)	1.7 C (3.1 F)	67 years	30 of 100 (Routine)
20 September 1963	Carrabelle 1 NNW, US	daily low min	14.4 C (57.9 F)	2.3 C (4.1 F)	52 years	29 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

1812 to 1963

Records set or tied on this calendar date in each year from 1812 to 1963. 1963 had 290 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 1963-09-20: 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	195
10 to 20	27
20 to 30	10
30 to 40	2
40 to 50	1
50 to 60	0
60 to 70	1