Weather Records on 20 September 1964

482 weather records were set or tied worldwide on 20 September 1964. Highest significance: Pella, ZA.

Key Facts for 20 September 1964

On 20 September 1964, 482 weather records were set or tied at long-record stations worldwide.
48 were record highs and 133 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 480 daily.
Pella set a daily record precipitation of 28.5 mm (1.1 in) on 20 September 1964.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 442 records.

Record Map

482 stations

482 station records on 20 September 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pella	South Africa	Record daily precipitation	28.5 mm (1.1 in)	62 of 100 (Major)
Comanche	United States	Record daily precipitation	86.9 mm (3.4 in)	59 of 100 (Notable)
Dublin 2SE	United States	Record daily precipitation	94.7 mm (3.7 in)	59 of 100 (Notable)
Oak Park Station	Australia	Record daily precipitation	60.2 mm (2.4 in)	56 of 100 (Notable)
Goldthwaite 1 WSW	United States	Record daily precipitation	105.7 mm (4.2 in)	56 of 100 (Notable)
San Saba	United States	Record daily precipitation	78.7 mm (3.1 in)	54 of 100 (Notable)
Bambaroo	Australia	Record daily precipitation	66.3 mm (2.6 in)	52 of 100 (Notable)
Wardensville R M Farm	United States	Record daily precipitation	58.9 mm (2.3 in)	52 of 100 (Notable)
Brady	United States	Record daily precipitation	82.6 mm (3.3 in)	48 of 100 (Notable)
Ucolta Post Office	Australia	Record daily precipitation	28.7 mm (1.1 in)	47 of 100 (Notable)
Jiwanpur Sagri	India	Record daily precipitation	118.9 mm (4.7 in)	47 of 100 (Notable)
Victoria Sugar Mill	Australia	Record daily precipitation	37.6 mm (1.5 in)	46 of 100 (Notable)
Apache	United States	Record daily precipitation	130.3 mm (5.1 in)	45 of 100 (Notable)
Riverton	United States	Record daily precipitation	61.7 mm (2.4 in)	45 of 100 (Notable)
Veraval	India	Record daily precipitation	84.2 mm (3.3 in)	44 of 100 (Notable)
Mandvi	India	Record daily precipitation	164.0 mm (6.5 in)	44 of 100 (Notable)
Piedmont	United States	Record daily precipitation	47.5 mm (1.9 in)	44 of 100 (Notable)
Woodstock 2 NE	United States	Record daily precipitation	44.5 mm (1.8 in)	43 of 100 (Notable)
Daniels Hope	South Africa	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Virginia	United States	Record daily precipitation	82.0 mm (3.2 in)	41 of 100 (Notable)
Gregory Springs Station	Australia	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Hobart 2 WNW	United States	Record daily precipitation	59.2 mm (2.3 in)	39 of 100 (Notable)
Menard	United States	Record daily precipitation	85.9 mm (3.4 in)	39 of 100 (Notable)
Cameron Downs	Australia	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Huntingdon	Canada	Record low minimum temperature	1.1 C (34.0 F)	36 of 100 (Notable)
Hickman	United States	Record daily precipitation	64.0 mm (2.5 in)	36 of 100 (Notable)
Gogha	India	Record daily precipitation	111.5 mm (4.4 in)	35 of 100 (Notable)
Sidsjo	Sweden	Record daily precipitation	40.8 mm (1.6 in)	35 of 100 (Notable)
Table Rock 4N	United States	Record daily precipitation	45.5 mm (1.8 in)	35 of 100 (Notable)
Newport 1 NW	United States	Record daily precipitation	49.8 mm (2.0 in)	35 of 100 (Notable)
Weatherford	United States	Record daily precipitation	56.6 mm (2.2 in)	35 of 100 (Notable)
Kharaghoda	India	Record daily precipitation	72.4 mm (2.9 in)	34 of 100 (Routine)
Girwan Naraini	India	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Eagle Pass 3N	United States	Record daily precipitation	38.9 mm (1.5 in)	34 of 100 (Routine)
Parli	India	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Cumberland	United States	Record daily precipitation	45.2 mm (1.8 in)	33 of 100 (Routine)
Carnegie 5 NE	United States	Record daily precipitation	59.9 mm (2.4 in)	33 of 100 (Routine)
Dhandhuka	India	Record daily precipitation	56.0 mm (2.2 in)	32 of 100 (Routine)
Enisejsk	Russia	Record high maximum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
Valparaiso Wtr Wks	United States	Record daily precipitation	34.0 mm (1.3 in)	32 of 100 (Routine)
Anadarko 3 E	United States	Record daily precipitation	38.4 mm (1.5 in)	32 of 100 (Routine)
Monterey	United States	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Fatehgarh	India	Record daily precipitation	25.0 mm (1.0 in)	31 of 100 (Routine)
Storm Lake	United States	Record daily precipitation	48.0 mm (1.9 in)	31 of 100 (Routine)
Shawnee	United States	Record daily precipitation	30.7 mm (1.2 in)	31 of 100 (Routine)
Dholera	India	Record daily precipitation	113.0 mm (4.4 in)	30 of 100 (Routine)
Trinidad	United States	Record low maximum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Ft Bayard 4W	United States	Record low minimum temperature	5.6 C (42.1 F)	30 of 100 (Routine)
Tucumcari 4 NE	United States	Record low maximum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Brockport	United States	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Lisboa Geofisica	Portugal	Record high minimum temperature	21.4 C (70.5 F)	28 of 100 (Routine)
Farmington	United States	Record low minimum temperature	-3.3 C (26.1 F)	28 of 100 (Routine)
Worthington	United States	Record daily precipitation	56.1 mm (2.2 in)	28 of 100 (Routine)
San Jon	United States	Record low maximum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Mt Wx	United States	Record daily precipitation	49.3 mm (1.9 in)	28 of 100 (Routine)
Mount McConnell	Australia	Record daily precipitation	43.4 mm (1.7 in)	27 of 100 (Routine)
Sussex	Canada	Record low minimum temperature	-3.3 C (26.1 F)	27 of 100 (Routine)
Muhammadpur	India	Record daily precipitation	55.9 mm (2.2 in)	27 of 100 (Routine)
Huichapan	Mexico	Record daily precipitation	37.8 mm (1.5 in)	27 of 100 (Routine)
Lowell	United States	Record low minimum temperature	0.6 C (33.1 F)	27 of 100 (Routine)

Counts by Type and Timescale

482 records

Records set or tied on 20 September 1964 by type: Highest daily maximum 15, Lowest daily maximum 76, Highest daily minimum 33, Lowest daily minimum 57, Heaviest daily rainfall 301.

Records on 20 September 1964 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	76
Highest daily minimum	33
Lowest daily minimum	57
Heaviest daily rainfall	301
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 1964 by timescale: all-time 0, monthly 2, daily 480.

How Much Records Were Beaten By

422 broken records

Margins by which the 422 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 105.9. Ties are not counted.

Top 20 by Significance

20 September 1964

Top 20 records on 20 September 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1964	Pella, ZA	daily rain	28.5 mm (1.1 in)	27.7 mm (1.1 in)	84 years	62 of 100 (Major)
20 September 1964	Comanche, US	daily rain	86.9 mm (3.4 in)	81.8 mm (3.2 in)	50 years	59 of 100 (Notable)
20 September 1964	Dublin 2SE, US	daily rain	94.7 mm (3.7 in)	79.0 mm (3.1 in)	46 years	59 of 100 (Notable)
20 September 1964	Oak Park Station, AU	monthly rain	60.2 mm (2.4 in)	29.2 mm (1.1 in)	21 years	56 of 100 (Notable)
20 September 1964	Goldthwaite 1 WSW, US	daily rain	105.7 mm (4.2 in)	87.9 mm (3.5 in)	40 years	56 of 100 (Notable)
20 September 1964	San Saba, US	daily rain	78.7 mm (3.1 in)	61.9 mm (2.4 in)	52 years	54 of 100 (Notable)
20 September 1964	Bambaroo, AU	daily rain	66.3 mm (2.6 in)	63.8 mm (2.5 in)	28 years	52 of 100 (Notable)
20 September 1964	Wardensville R M Farm, US	daily rain	58.9 mm (2.3 in)	43.2 mm (1.7 in)	29 years	52 of 100 (Notable)
20 September 1964	Brady, US	daily rain	82.6 mm (3.3 in)	73.2 mm (2.9 in)	6 years	48 of 100 (Notable)
20 September 1964	Ucolta Post Office, AU	daily rain	28.7 mm (1.1 in)	17.8 mm (0.7 in)	40 years	47 of 100 (Notable)
20 September 1964	Jiwanpur Sagri, IN	daily rain	118.9 mm (4.7 in)	77.5 mm (3.1 in)	40 years	47 of 100 (Notable)
20 September 1964	Victoria Sugar Mill, AU	daily rain	37.6 mm (1.5 in)	33.3 mm (1.3 in)	52 years	46 of 100 (Notable)
20 September 1964	Apache, US	daily rain	130.3 mm (5.1 in)	105.9 mm (4.2 in)	2 years	45 of 100 (Notable)
20 September 1964	Riverton, US	daily rain	61.7 mm (2.4 in)	38.1 mm (1.5 in)	36 years	45 of 100 (Notable)
20 September 1964	Veraval, IN	daily rain	84.2 mm (3.3 in)	48.1 mm (1.9 in)	61 years	44 of 100 (Notable)
20 September 1964	Mandvi, IN	daily rain	164.0 mm (6.5 in)	85.8 mm (3.4 in)	43 years	44 of 100 (Notable)
20 September 1964	Piedmont, US	daily rain	47.5 mm (1.9 in)	27.7 mm (1.1 in)	41 years	44 of 100 (Notable)
20 September 1964	Woodstock 2 NE, US	daily rain	44.5 mm (1.8 in)	25.4 mm (1.0 in)	46 years	43 of 100 (Notable)
20 September 1964	Daniels Hope, ZA	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	40 years	41 of 100 (Notable)
20 September 1964	Virginia, US	daily rain	82.0 mm (3.2 in)	57.9 mm (2.3 in)	14 years	41 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

1812 to 1964

Records set or tied on this calendar date in each year from 1812 to 1964. 1964 had 482 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 1964-09-20: 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 20	368
20 to 40	34
40 to 60	9
60 to 80	7
80 to 100	3
100 to 120	1