Weather Records on 11 September 1975

644 weather records were set or tied worldwide on 11 September 1975. Highest significance: Garsebach Bei Meissen, DE.

Key Facts for 11 September 1975

On 11 September 1975, 644 weather records were set or tied at long-record stations worldwide.
111 were record highs and 122 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 12 monthly and 629 daily.
Garsebach Bei Meissen set a monthly record daily precipitation of 84.5 mm (3.3 in) on 11 September 1975.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 422 records.

Record Map

644 stations

644 station records on 11 September 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Garsebach Bei Meissen	Germany	Record daily precipitation	84.5 mm (3.3 in)	63 of 100 (Major)
Concordia	United States	Record daily precipitation	109.2 mm (4.3 in)	63 of 100 (Major)
Sotchi	Russia	Record daily precipitation	159.8 mm (6.3 in)	61 of 100 (Major)
Oconto 4 W	United States	Record daily precipitation	73.9 mm (2.9 in)	60 of 100 (Major)
Eldon	United States	Record daily precipitation	100.3 mm (3.9 in)	58 of 100 (Notable)
Brunswick	United States	Record daily precipitation	152.7 mm (6.0 in)	53 of 100 (Notable)
Stover	United States	Record daily precipitation	98.8 mm (3.9 in)	52 of 100 (Notable)
Calhoun Falls	United States	Record daily precipitation	86.4 mm (3.4 in)	51 of 100 (Notable)
Minden	Canada	Record daily precipitation	31.0 mm (1.2 in)	50 of 100 (Notable)
Versailles	United States	Record daily precipitation	142.5 mm (5.6 in)	49 of 100 (Notable)
Nossen	Germany	Record daily precipitation	52.7 mm (2.1 in)	48 of 100 (Notable)
Siloam Springs 1E	United States	Record daily precipitation	118.1 mm (4.6 in)	48 of 100 (Notable)
Lakeside	United States	Record daily precipitation	95.3 mm (3.8 in)	47 of 100 (Notable)
Itapicuru	Brazil	Record daily precipitation	33.5 mm (1.3 in)	45 of 100 (Notable)
Mtn Home 1 NNW	United States	Record daily precipitation	65.5 mm (2.6 in)	45 of 100 (Notable)
Sweet Springs	United States	Record daily precipitation	83.8 mm (3.3 in)	45 of 100 (Notable)
Warrensburg 4NW	United States	Record daily precipitation	86.6 mm (3.4 in)	45 of 100 (Notable)
Greenwood	United States	Record daily precipitation	72.4 mm (2.9 in)	44 of 100 (Notable)
Buderim Post Office	Australia	Record daily precipitation	52.8 mm (2.1 in)	42 of 100 (Notable)
Berthierville	Canada	Record daily precipitation	58.4 mm (2.3 in)	42 of 100 (Notable)
Silverdales	South Africa	Record daily precipitation	57.0 mm (2.2 in)	42 of 100 (Notable)
Warsaw 1	United States	Record daily precipitation	64.8 mm (2.6 in)	42 of 100 (Notable)
Windsor	United States	Record daily precipitation	131.8 mm (5.2 in)	41 of 100 (Notable)
Hamilton Fairfield	United States	Record daily precipitation	70.4 mm (2.8 in)	41 of 100 (Notable)
Bloomfield	Canada	Record daily precipitation	31.8 mm (1.3 in)	40 of 100 (Notable)
Arecibo 3 ESE	Puerto Rico [United States]	Record high minimum temperature	27.2 C (81.0 F)	40 of 100 (Notable)
Alexandria (Bos)	South Africa	Record daily precipitation	68.0 mm (2.7 in)	40 of 100 (Notable)
Montello 2NE	United States	Record daily precipitation	27.7 mm (1.1 in)	40 of 100 (Notable)
Sturgeon Bay Exp Farm	United States	Record daily precipitation	64.8 mm (2.6 in)	40 of 100 (Notable)
Sorel	Canada	Record daily precipitation	42.9 mm (1.7 in)	39 of 100 (Notable)
White Hall 1 E	United States	Record daily precipitation	63.5 mm (2.5 in)	39 of 100 (Notable)
Bonner Springs	United States	Record daily precipitation	81.0 mm (3.2 in)	39 of 100 (Notable)
Marinette	United States	Record daily precipitation	35.8 mm (1.4 in)	39 of 100 (Notable)
Perkins	Canada	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Huell	Germany	Record daily precipitation	36.0 mm (1.4 in)	38 of 100 (Notable)
Bethany	United States	Record daily precipitation	66.0 mm (2.6 in)	38 of 100 (Notable)
Gerald	United States	Record daily precipitation	81.5 mm (3.2 in)	38 of 100 (Notable)
Sedalia Wtp	United States	Record daily precipitation	73.7 mm (2.9 in)	38 of 100 (Notable)
Wichita Falls Muni AP	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Ft Wayne Intl AP	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Victoria Gonzales Hts	Canada	Record high minimum temperature	16.1 C (61.0 F)	37 of 100 (Notable)
Muskoka A	Canada	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Trois Rivieres	Canada	Record daily precipitation	54.1 mm (2.1 in)	37 of 100 (Notable)
Quincy Dam 21	United States	Record daily precipitation	64.0 mm (2.5 in)	37 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Bell Falls	Canada	Record daily precipitation	49.0 mm (1.9 in)	36 of 100 (Notable)
Krasnaja Poljana	Russia	Record daily precipitation	76.2 mm (3.0 in)	36 of 100 (Notable)
Cedartown	United States	Record daily precipitation	72.4 mm (2.9 in)	36 of 100 (Notable)
Vevay	United States	Record daily precipitation	53.1 mm (2.1 in)	36 of 100 (Notable)
Ottawa	United States	Record daily precipitation	67.3 mm (2.6 in)	36 of 100 (Notable)
Doberlug-Kirchhain	Germany	Record daily precipitation	43.5 mm (1.7 in)	35 of 100 (Notable)
Majkop	Russia	Record daily precipitation	86.0 mm (3.4 in)	35 of 100 (Notable)
Sotchi	Russia	Record low minimum temperature	11.6 C (52.9 F)	35 of 100 (Notable)
Edgerton	United States	Record daily precipitation	79.8 mm (3.1 in)	35 of 100 (Notable)
Coshocton Wpc Plt	United States	Record daily precipitation	38.6 mm (1.5 in)	35 of 100 (Notable)
Valdez WSO	United States	Record daily precipitation	75.7 mm (3.0 in)	35 of 100 (Notable)
Uitenhage	South Africa	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Windsor	United States	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Nantahala	United States	Record daily precipitation	47.2 mm (1.9 in)	34 of 100 (Routine)
Tomahawk Spirit Rsvr	United States	Record daily precipitation	70.6 mm (2.8 in)	34 of 100 (Routine)

Counts by Type and Timescale

644 records

Records set or tied on 11 September 1975 by type: Highest daily maximum 48, Lowest daily maximum 76, Highest daily minimum 63, Lowest daily minimum 46, Heaviest daily rainfall 411.

Records on 11 September 1975 by type
Record type	Records
Highest daily maximum	48
Lowest daily maximum	76
Highest daily minimum	63
Lowest daily minimum	46
Heaviest daily rainfall	411
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 September 1975 by timescale: all-time 3, monthly 12, daily 629.

How Much Records Were Beaten By

567 broken records

Margins by which the 567 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.5. Ties are not counted.

Top 20 by Significance

11 September 1975

Top 20 records on 11 September 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1975	Garsebach Bei Meissen, DE	monthly rain	84.5 mm (3.3 in)	31.5 mm (1.2 in)	22 years	63 of 100 (Major)
11 September 1975	Concordia, US	daily rain	109.2 mm (4.3 in)	85.1 mm (3.4 in)	50 years	63 of 100 (Major)
11 September 1975	Sotchi, RU	daily rain	159.8 mm (6.3 in)	76.8 mm (3.0 in)	53 years	61 of 100 (Major)
11 September 1975	Oconto 4 W, US	daily rain	73.9 mm (2.9 in)	34.0 mm (1.3 in)	64 years	60 of 100 (Major)
11 September 1975	Eldon, US	daily rain	100.3 mm (3.9 in)	58.6 mm (2.3 in)	61 years	58 of 100 (Notable)
11 September 1975	Brunswick, US	daily rain	152.7 mm (6.0 in)	40.9 mm (1.6 in)	78 years	53 of 100 (Notable)
11 September 1975	Stover, US	daily rain	98.8 mm (3.9 in)	58.7 mm (2.3 in)	49 years	52 of 100 (Notable)
11 September 1975	Calhoun Falls, US	daily rain	86.4 mm (3.4 in)	41.9 mm (1.6 in)	75 years	51 of 100 (Notable)
11 September 1975	Minden, CA	daily rain	31.0 mm (1.2 in)	14.0 mm (0.6 in)	88 years	50 of 100 (Notable)
11 September 1975	Versailles, US	all-time rain	142.5 mm (5.6 in)	2.8 mm (0.11 in)	69 years	49 of 100 (Notable)
11 September 1975	Nossen, DE	daily rain	52.7 mm (2.1 in)	25.5 mm (1.0 in)	8 years	48 of 100 (Notable)
11 September 1975	Siloam Springs 1E, US	daily rain	118.1 mm (4.6 in)	95.5 mm (3.8 in)	16 years	48 of 100 (Notable)
11 September 1975	Lakeside, US	daily rain	95.3 mm (3.8 in)	77.8 mm (3.1 in)	10 years	47 of 100 (Notable)
11 September 1975	Itapicuru, BR	daily rain	33.5 mm (1.3 in)	23.7 mm (0.9 in)	8 years	45 of 100 (Notable)
11 September 1975	Mtn Home 1 NNW, US	daily rain	65.5 mm (2.6 in)	38.8 mm (1.5 in)	56 years	45 of 100 (Notable)
11 September 1975	Sweet Springs, US	daily rain	83.8 mm (3.3 in)	64.0 mm (2.5 in)	25 years	45 of 100 (Notable)
11 September 1975	Warrensburg 4NW, US	daily rain	86.6 mm (3.4 in)	35.8 mm (1.4 in)	61 years	45 of 100 (Notable)
11 September 1975	Greenwood, US	daily rain	72.4 mm (2.9 in)	41.4 mm (1.6 in)	40 years	44 of 100 (Notable)
11 September 1975	Buderim Post Office, AU	daily rain	52.8 mm (2.1 in)	20.5 mm (0.8 in)	54 years	42 of 100 (Notable)
11 September 1975	Berthierville, CA	daily rain	58.4 mm (2.3 in)	20.3 mm (0.8 in)	53 years	42 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

1809 to 1975

Records set or tied on this calendar date in each year from 1809 to 1975. 1975 had 644 records.

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

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 1975-09-11: 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	501
20 to 40	43
40 to 60	17
60 to 80	4
80 to 100	2