Weather Records on 12 September 1965

459 weather records were set or tied worldwide on 12 September 1965. Highest significance: Mt Vernon, US.

Key Facts for 12 September 1965

On 12 September 1965, 459 weather records were set or tied at long-record stations worldwide.
94 were record highs and 113 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 445 daily.
Mt Vernon set a daily record precipitation of 90.2 mm (3.6 in) on 12 September 1965.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 413 records.

Record Map

459 stations

459 station records on 12 September 1965 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1965: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mt Vernon	United States	Record daily precipitation	90.2 mm (3.6 in)	68 of 100 (Major)
Shelbyville Sewage Plt	United States	Record daily precipitation	76.7 mm (3.0 in)	67 of 100 (Major)
Cairo River	United States	Record daily precipitation	146.1 mm (5.8 in)	65 of 100 (Major)
Falmouth	United States	Record daily precipitation	65.5 mm (2.6 in)	61 of 100 (Major)
Williamstown	United States	Record daily precipitation	60.7 mm (2.4 in)	60 of 100 (Major)
Brisbane Regional Office	Australia	Record daily precipitation	79.5 mm (3.1 in)	59 of 100 (Notable)
Kings Mills	United States	Record daily precipitation	68.6 mm (2.7 in)	59 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	72.4 mm (2.9 in)	58 of 100 (Notable)
Cincinnati Fernbank	United States	Record daily precipitation	59.7 mm (2.4 in)	57 of 100 (Notable)
Philo 3 SW	United States	Record daily precipitation	56.4 mm (2.2 in)	56 of 100 (Notable)
Henryville Sf	United States	Record daily precipitation	102.9 mm (4.1 in)	54 of 100 (Notable)
Wilmington 3 N	United States	Record daily precipitation	78.7 mm (3.1 in)	53 of 100 (Notable)
Uniontown Dam 49	United States	Record daily precipitation	90.9 mm (3.6 in)	52 of 100 (Notable)
Evans Landing	United States	Record daily precipitation	56.1 mm (2.2 in)	51 of 100 (Notable)
Hamilton	United States	Record daily precipitation	64.5 mm (2.5 in)	51 of 100 (Notable)
Philo	United States	Record daily precipitation	63.2 mm (2.5 in)	51 of 100 (Notable)
Carrollton Lock 1	United States	Record daily precipitation	63.0 mm (2.5 in)	50 of 100 (Notable)
Athens 5 NW	United States	Record daily precipitation	61.0 mm (2.4 in)	50 of 100 (Notable)
Chilo Meldahl Locks & Dam	United States	Record daily precipitation	78.2 mm (3.1 in)	49 of 100 (Notable)
Brisbane Show Grounds	Australia	Record daily precipitation	73.7 mm (2.9 in)	48 of 100 (Notable)
Newark Wtr Wks	United States	Record daily precipitation	48.0 mm (1.9 in)	48 of 100 (Notable)
Brisbane Botanical Gardens	Australia	Record daily precipitation	77.2 mm (3.0 in)	47 of 100 (Notable)
Newburgh L&D	United States	Record daily precipitation	121.9 mm (4.8 in)	47 of 100 (Notable)
Fergus Falls	United States	Record daily precipitation	47.0 mm (1.9 in)	47 of 100 (Notable)
Alexandria 4 WSW	United States	Record daily precipitation	50.3 mm (2.0 in)	47 of 100 (Notable)
Washington Court House	United States	Record daily precipitation	66.3 mm (2.6 in)	47 of 100 (Notable)
Kojnas	Russia	Record daily precipitation	34.8 mm (1.4 in)	46 of 100 (Notable)
New Harmony	United States	Record daily precipitation	78.0 mm (3.1 in)	46 of 100 (Notable)
Middletown	United States	Record daily precipitation	60.5 mm (2.4 in)	46 of 100 (Notable)
Guntersville	United States	Record daily precipitation	61.5 mm (2.4 in)	44 of 100 (Notable)
Macon 2 NE	United States	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Gest Lock 3	United States	Record daily precipitation	53.3 mm (2.1 in)	42 of 100 (Notable)
Shawneetown Old Town	United States	Record daily precipitation	66.3 mm (2.6 in)	41 of 100 (Notable)
Cypress Dam 48	United States	Record daily precipitation	93.7 mm (3.7 in)	41 of 100 (Notable)
Madison Sewage Plt	United States	Record daily precipitation	47.0 mm (1.9 in)	41 of 100 (Notable)
Parkersburg	United States	Record daily precipitation	64.8 mm (2.6 in)	41 of 100 (Notable)
Scottsboro	United States	Record daily precipitation	73.7 mm (2.9 in)	40 of 100 (Notable)
Leavenworth Dam 44	United States	Record daily precipitation	52.3 mm (2.1 in)	40 of 100 (Notable)
Munfordville 5 NW	United States	Record daily precipitation	49.5 mm (1.9 in)	40 of 100 (Notable)
Union City	United States	Record daily precipitation	71.1 mm (2.8 in)	40 of 100 (Notable)
Madison 3NNW	United States	Record daily precipitation	52.8 mm (2.1 in)	40 of 100 (Notable)
Brookport Dam 52	United States	Record daily precipitation	109.2 mm (4.3 in)	39 of 100 (Notable)
Columbus	United States	Record daily precipitation	50.3 mm (2.0 in)	39 of 100 (Notable)
Williams 3 SW	United States	Record daily precipitation	52.3 mm (2.1 in)	39 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record low maximum temperature	-1.0 C (30.2 F)	38 of 100 (Notable)
Paoli	United States	Record daily precipitation	48.0 mm (1.9 in)	38 of 100 (Notable)
Chillicothe	United States	Record daily precipitation	62.2 mm (2.4 in)	38 of 100 (Notable)
Chengam	India	Record daily precipitation	79.4 mm (3.1 in)	37 of 100 (Notable)
Saint Francis	United States	Record daily precipitation	71.9 mm (2.8 in)	37 of 100 (Notable)
Martinsville 2 SW	United States	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Hastings	United States	Record daily precipitation	49.8 mm (2.0 in)	37 of 100 (Notable)
New Martinsville 4 NNE	United States	Record daily precipitation	66.5 mm (2.6 in)	37 of 100 (Notable)
Kula Sanatorium 267	United States	Record low maximum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Oneonta	United States	Record daily precipitation	61.5 mm (2.4 in)	36 of 100 (Notable)
Brookville	United States	Record daily precipitation	57.2 mm (2.3 in)	36 of 100 (Notable)
Scottsburg	United States	Record daily precipitation	90.2 mm (3.6 in)	36 of 100 (Notable)
Wadena 3 S	United States	Record daily precipitation	36.3 mm (1.4 in)	36 of 100 (Notable)
Caruthersville	United States	Record daily precipitation	56.1 mm (2.2 in)	36 of 100 (Notable)
Waverly	United States	Record daily precipitation	77.2 mm (3.0 in)	36 of 100 (Notable)
Jackson 4 NW	United States	Record daily precipitation	42.9 mm (1.7 in)	36 of 100 (Notable)

Counts by Type and Timescale

459 records

Records set or tied on 12 September 1965 by type: Highest daily maximum 20, Lowest daily maximum 85, Highest daily minimum 74, Lowest daily minimum 28, Heaviest daily rainfall 252.

Records on 12 September 1965 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	85
Highest daily minimum	74
Lowest daily minimum	28
Heaviest daily rainfall	252
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1965 by timescale: all-time 0, monthly 14, daily 445.

How Much Records Were Beaten By

368 broken records

Margins by which the 368 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.7. Ties are not counted.

Top 20 by Significance

12 September 1965

Top 20 records on 12 September 1965 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1965	Mt Vernon, US	daily rain	90.2 mm (3.6 in)	65.3 mm (2.6 in)	71 years	68 of 100 (Major)
12 September 1965	Shelbyville Sewage Plt, US	daily rain	76.7 mm (3.0 in)	52.6 mm (2.1 in)	70 years	67 of 100 (Major)
12 September 1965	Cairo River, US	monthly rain	146.1 mm (5.8 in)	51.6 mm (2.0 in)	37 years	65 of 100 (Major)
12 September 1965	Falmouth, US	daily rain	65.5 mm (2.6 in)	43.4 mm (1.7 in)	47 years	61 of 100 (Major)
12 September 1965	Williamstown, US	daily rain	60.7 mm (2.4 in)	43.9 mm (1.7 in)	47 years	60 of 100 (Major)
12 September 1965	Brisbane Regional Office, AU	monthly rain	79.5 mm (3.1 in)	17.0 mm (0.7 in)	71 years	59 of 100 (Notable)
12 September 1965	Kings Mills, US	daily rain	68.6 mm (2.7 in)	56.2 mm (2.2 in)	47 years	59 of 100 (Notable)
12 September 1965	Hillsboro, US	daily rain	72.4 mm (2.9 in)	37.6 mm (1.5 in)	71 years	58 of 100 (Notable)
12 September 1965	Cincinnati Fernbank, US	daily rain	59.7 mm (2.4 in)	51.1 mm (2.0 in)	44 years	57 of 100 (Notable)
12 September 1965	Philo 3 SW, US	daily rain	56.4 mm (2.2 in)	33.5 mm (1.3 in)	69 years	56 of 100 (Notable)
12 September 1965	Henryville Sf, US	daily rain	102.9 mm (4.1 in)	67.8 mm (2.7 in)	32 years	54 of 100 (Notable)
12 September 1965	Wilmington 3 N, US	daily rain	78.7 mm (3.1 in)	51.8 mm (2.0 in)	27 years	53 of 100 (Notable)
12 September 1965	Uniontown Dam 49, US	daily rain	90.9 mm (3.6 in)	75.7 mm (3.0 in)	31 years	52 of 100 (Notable)
12 September 1965	Evans Landing, US	daily rain	56.1 mm (2.2 in)	48.7 mm (1.9 in)	35 years	51 of 100 (Notable)
12 September 1965	Hamilton, US	daily rain	64.5 mm (2.5 in)	47.5 mm (1.9 in)	31 years	51 of 100 (Notable)
12 September 1965	Philo, US	daily rain	63.2 mm (2.5 in)	49.5 mm (1.9 in)	18 years	51 of 100 (Notable)
12 September 1965	Carrollton Lock 1, US	daily rain	63.0 mm (2.5 in)	30.0 mm (1.2 in)	64 years	50 of 100 (Notable)
12 September 1965	Athens 5 NW, US	daily rain	61.0 mm (2.4 in)	30.3 mm (1.2 in)	69 years	50 of 100 (Notable)
12 September 1965	Chilo Meldahl Locks & Dam, US	daily rain	78.2 mm (3.1 in)	50.8 mm (2.0 in)	18 years	49 of 100 (Notable)
12 September 1965	Brisbane Show Grounds, AU	monthly rain	73.7 mm (2.9 in)	21.9 mm (0.9 in)	32 years	48 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

1793 to 1965

Records set or tied on this calendar date in each year from 1793 to 1965. 1965 had 459 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1965-09-12: 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	233
10 to 20	47
20 to 30	35
30 to 40	26
40 to 50	15
50 to 60	9
60 to 70	2
70 to 80	1