Weather Records on 20 September 1965

1,180 weather records were set or tied worldwide on 20 September 1965. Highest significance: Tuba City, US.

Key Facts for 20 September 1965

On 20 September 1965, 1,180 weather records were set or tied at long-record stations worldwide.
259 were record highs and 519 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 27 monthly and 1,152 daily.
Tuba City set a daily record precipitation of 55.9 mm (2.2 in) on 20 September 1965.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 437 records.

Record Map

1,180 stations

1,180 station records on 20 September 1965 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1965: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tuba City	United States	Record daily precipitation	55.9 mm (2.2 in)	66 of 100 (Major)
Ulysses 3NE	United States	Record daily precipitation	41.7 mm (1.6 in)	61 of 100 (Major)
Astana	Kazakhstan	Record daily precipitation	26.7 mm (1.1 in)	60 of 100 (Major)
Plymouth Wwtp	United States	Record daily precipitation	74.9 mm (2.9 in)	60 of 100 (Major)
Muscatine 2	United States	Record daily precipitation	82.6 mm (3.3 in)	58 of 100 (Notable)
North Bay	Canada	Record daily precipitation	53.6 mm (2.1 in)	57 of 100 (Notable)
Dodballapur	India	Record daily precipitation	113.3 mm (4.5 in)	56 of 100 (Notable)
Makaweli 965	United States	Record daily precipitation	58.4 mm (2.3 in)	56 of 100 (Notable)
Shawinigan	Canada	Record daily precipitation	65.0 mm (2.6 in)	55 of 100 (Notable)
Nandigama	India	Record daily precipitation	123.4 mm (4.9 in)	55 of 100 (Notable)
Montrose 1	United States	Record daily precipitation	29.2 mm (1.1 in)	54 of 100 (Notable)
Scott City	United States	Record daily precipitation	46.7 mm (1.8 in)	53 of 100 (Notable)
Gandai	India	Record daily precipitation	140.0 mm (5.5 in)	52 of 100 (Notable)
Tamluk	India	Record daily precipitation	160.0 mm (6.3 in)	52 of 100 (Notable)
Manistee 3SE	United States	Record daily precipitation	59.9 mm (2.4 in)	52 of 100 (Notable)
Koilkuntla	India	Record daily precipitation	125.0 mm (4.9 in)	51 of 100 (Notable)
Malakapuram	India	Record daily precipitation	137.0 mm (5.4 in)	51 of 100 (Notable)
Concordia ASOS	United States	Record daily precipitation	49.8 mm (2.0 in)	51 of 100 (Notable)
Aspen	United States	Record daily snowfall	12.7 cm (5.0 in)	50 of 100 (Notable)
Oskaloosa	United States	Record daily precipitation	67.1 mm (2.6 in)	49 of 100 (Notable)
Lucerne	United States	Record daily precipitation	96.3 mm (3.8 in)	49 of 100 (Notable)
Castle Rock	United States	Record low maximum temperature	5.6 C (42.1 F)	46 of 100 (Notable)
Begumpet Obsy	India	Record daily precipitation	116.0 mm (4.6 in)	45 of 100 (Notable)
Nord-Rana	Norway	Record daily precipitation	45.6 mm (1.8 in)	45 of 100 (Notable)
Pitkin	United States	Record daily snowfall	15.2 cm (6.0 in)	45 of 100 (Notable)
Sigourney	United States	Record daily precipitation	66.0 mm (2.6 in)	45 of 100 (Notable)
Linneus	United States	Record daily precipitation	92.7 mm (3.6 in)	45 of 100 (Notable)
Gannavaram	India	Record daily precipitation	101.6 mm (4.0 in)	44 of 100 (Notable)
Freeport	United States	Record daily precipitation	65.5 mm (2.6 in)	44 of 100 (Notable)
Leoti	United States	Record daily precipitation	50.3 mm (2.0 in)	44 of 100 (Notable)
Healdton 3 E	United States	Record daily precipitation	54.1 mm (2.1 in)	44 of 100 (Notable)
Huntingdon	Canada	Record high maximum temperature	28.9 C (84.0 F)	43 of 100 (Notable)
Westcliffe	United States	Record daily precipitation	28.4 mm (1.1 in)	43 of 100 (Notable)
West Bend	United States	Record daily precipitation	58.9 mm (2.3 in)	43 of 100 (Notable)
Gudivada	India	Record daily precipitation	93.0 mm (3.7 in)	42 of 100 (Notable)
Salur	India	Record daily precipitation	79.4 mm (3.1 in)	42 of 100 (Notable)
Florence	United States	Record low maximum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Winkelman 6 S	United States	Record low maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Morrison	United States	Record daily precipitation	76.2 mm (3.0 in)	42 of 100 (Notable)
Healy	United States	Record daily precipitation	49.5 mm (1.9 in)	42 of 100 (Notable)
Pauls Valley 4 WSW	United States	Record daily precipitation	72.4 mm (2.9 in)	42 of 100 (Notable)
St Charles de Mandeville	Canada	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Syracuse 1NE	United States	Record daily precipitation	46.2 mm (1.8 in)	41 of 100 (Notable)
New London	United States	Record daily precipitation	68.6 mm (2.7 in)	41 of 100 (Notable)
Sturgeon Bay Exp Farm	United States	Record daily precipitation	73.9 mm (2.9 in)	41 of 100 (Notable)
Columbus	United States	Record daily precipitation	60.5 mm (2.4 in)	40 of 100 (Notable)
Eldorado Springs	United States	Record daily precipitation	100.3 mm (3.9 in)	40 of 100 (Notable)
Ft Valley	United States	Record low maximum temperature	8.9 C (48.0 F)	39 of 100 (Notable)
Saint Paul	United States	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Eldorado	United States	Record daily precipitation	45.0 mm (1.8 in)	39 of 100 (Notable)
Dodge City	United States	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Maniwaki 2	Canada	Record daily precipitation	42.9 mm (1.7 in)	38 of 100 (Notable)
Litchfield Park	United States	Record low maximum temperature	26.1 C (79.0 F)	38 of 100 (Notable)
Boulder	United States	Record daily snowfall	5.8 cm (2.3 in)	38 of 100 (Notable)
Lexington 3E	United States	Record daily precipitation	62.5 mm (2.5 in)	38 of 100 (Notable)
Chama	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Mutual	United States	Record daily precipitation	45.5 mm (1.8 in)	38 of 100 (Notable)
Tropic	United States	Record low maximum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	48.5 mm (1.9 in)	38 of 100 (Notable)
St Andrews	Canada	Record high maximum temperature	27.8 C (82.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,180 records

Records set or tied on 20 September 1965 by type: Highest daily maximum 92, Lowest daily maximum 320, Highest daily minimum 167, Lowest daily minimum 199, Heaviest daily rainfall 377, Heaviest daily snowfall 22, Deepest snow cover 3.

Records on 20 September 1965 by type
Record type	Records
Highest daily maximum	92
Lowest daily maximum	320
Highest daily minimum	167
Lowest daily minimum	199
Heaviest daily rainfall	377
Heaviest daily snowfall	22
Deepest snow cover	3

Records on 20 September 1965 by timescale: all-time 1, monthly 27, daily 1,152.

How Much Records Were Beaten By

1,011 broken records

Margins by which the 1,011 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 144.0. Ties are not counted.

Top 20 by Significance

20 September 1965

Top 20 records on 20 September 1965 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1965	Tuba City, US	daily rain	55.9 mm (2.2 in)	40.2 mm (1.6 in)	67 years	66 of 100 (Major)
20 September 1965	Ulysses 3NE, US	daily rain	41.7 mm (1.6 in)	37.9 mm (1.5 in)	70 years	61 of 100 (Major)
20 September 1965	Astana, KZ	daily rain	26.7 mm (1.1 in)	12.8 mm (0.5 in)	83 years	60 of 100 (Major)
20 September 1965	Plymouth Wwtp, US	daily rain	74.9 mm (2.9 in)	45.7 mm (1.8 in)	52 years	60 of 100 (Major)
20 September 1965	Muscatine 2, US	daily rain	82.6 mm (3.3 in)	53.6 mm (2.1 in)	44 years	58 of 100 (Notable)
20 September 1965	North Bay, CA	daily rain	53.6 mm (2.1 in)	33.8 mm (1.3 in)	50 years	57 of 100 (Notable)
20 September 1965	Dodballapur, IN	daily rain	113.3 mm (4.5 in)	66.1 mm (2.6 in)	48 years	56 of 100 (Notable)
20 September 1965	Makaweli 965, US	daily rain	58.4 mm (2.3 in)	36.3 mm (1.4 in)	35 years	56 of 100 (Notable)
20 September 1965	Shawinigan, CA	daily rain	65.0 mm (2.6 in)	46.7 mm (1.8 in)	32 years	55 of 100 (Notable)
20 September 1965	Nandigama, IN	daily rain	123.4 mm (4.9 in)	66.2 mm (2.6 in)	54 years	55 of 100 (Notable)
20 September 1965	Montrose 1, US	daily rain	29.2 mm (1.1 in)	20.3 mm (0.8 in)	31 years	54 of 100 (Notable)
20 September 1965	Scott City, US	daily rain	46.7 mm (1.8 in)	44.2 mm (1.7 in)	34 years	53 of 100 (Notable)
20 September 1965	Gandai, IN	daily rain	140.0 mm (5.5 in)	100.4 mm (4.0 in)	20 years	52 of 100 (Notable)
20 September 1965	Tamluk, IN	daily rain	160.0 mm (6.3 in)	89.1 mm (3.5 in)	32 years	52 of 100 (Notable)
20 September 1965	Manistee 3SE, US	daily rain	59.9 mm (2.4 in)	34.5 mm (1.4 in)	40 years	52 of 100 (Notable)
20 September 1965	Koilkuntla, IN	daily rain	125.0 mm (4.9 in)	65.1 mm (2.6 in)	47 years	51 of 100 (Notable)
20 September 1965	Malakapuram, IN	daily rain	137.0 mm (5.4 in)	76.5 mm (3.0 in)	20 years	51 of 100 (Notable)
20 September 1965	Concordia ASOS, US	daily rain	49.8 mm (2.0 in)	30.7 mm (1.2 in)	70 years	51 of 100 (Notable)
20 September 1965	Aspen, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	65 years	50 of 100 (Notable)
20 September 1965	Oskaloosa, US	daily rain	67.1 mm (2.6 in)	53.4 mm (2.1 in)	32 years	49 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 1965

Records set or tied on this calendar date in each year from 1812 to 1965. 1965 had 1,180 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 1965-09-20: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 20	884
20 to 40	82
40 to 60	30
60 to 80	9
80 to 100	1
100 to 120	2
120 to 140	2
140 to 160	1