Weather Records on 7 September 1981

622 weather records were set or tied worldwide on 7 September 1981. Highest significance: Larimore 4SW, US.

Key Facts for 7 September 1981

On 7 September 1981, 622 weather records were set or tied at long-record stations worldwide.
214 were record highs and 154 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 25 monthly and 595 daily.
Larimore 4SW set a daily record precipitation of 77.0 mm (3.0 in) on 7 September 1981.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 450 records.

Record Map

622 stations

622 station records on 7 September 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 September 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Larimore 4SW	United States	Record daily precipitation	77.0 mm (3.0 in)	59 of 100 (Notable)
White Sulphur Springs	United States	Record daily precipitation	41.4 mm (1.6 in)	51 of 100 (Notable)
Bancroft	Canada	Record daily precipitation	83.2 mm (3.3 in)	49 of 100 (Notable)
Nueva Casas Grandes	Mexico	Record daily precipitation	36.0 mm (1.4 in)	49 of 100 (Notable)
Nuevo Casas Grandes (Dge)	Mexico	Record daily precipitation	35.8 mm (1.4 in)	49 of 100 (Notable)
Sidney 1SSE	United States	Record daily precipitation	50.3 mm (2.0 in)	48 of 100 (Notable)
Paarl (Tnk)	South Africa	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Plainville 4WNW	United States	Record daily precipitation	66.3 mm (2.6 in)	45 of 100 (Notable)
Westcliffe	United States	Record low maximum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Hebron	United States	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Griffiss AFB	United States	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Port Townsend	United States	Record high maximum temperature	29.4 C (84.9 F)	43 of 100 (Notable)
Little Port Walter	United States	Record daily precipitation	210.3 mm (8.3 in)	42 of 100 (Notable)
Fullerton	United States	Record daily precipitation	62.7 mm (2.5 in)	41 of 100 (Notable)
Petersburg 2 N	United States	Record daily precipitation	49.5 mm (1.9 in)	41 of 100 (Notable)
Lassance	Brazil	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Argyle	United States	Record daily precipitation	66.3 mm (2.6 in)	40 of 100 (Notable)
Miami Beach	United States	Record daily precipitation	87.1 mm (3.4 in)	40 of 100 (Notable)
Falls River	Canada	Record daily precipitation	95.0 mm (3.7 in)	39 of 100 (Notable)
Metapa de Dominguez	Mexico	Record low minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Indianola 1SW	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Knoxville	United States	Record daily precipitation	37.6 mm (1.5 in)	39 of 100 (Notable)
Adams 7 SSW	United States	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Chilliwack	Canada	Record high minimum temperature	16.0 C (60.8 F)	37 of 100 (Notable)
Apatzingan (Smn)	Mexico	Record daily precipitation	66.3 mm (2.6 in)	37 of 100 (Notable)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	25.5 mm (1.0 in)	37 of 100 (Notable)
Rye	United States	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Winterset 4N	United States	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Ericson 8 WNW	United States	Record daily precipitation	30.7 mm (1.2 in)	37 of 100 (Notable)
Mc Henry 3W	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Barkerville	Canada	Record high maximum temperature	26.5 C (79.7 F)	36 of 100 (Notable)
Groot Constantia	South Africa	Record daily precipitation	51.6 mm (2.0 in)	36 of 100 (Notable)
Collbran	United States	Record low maximum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Trinidad	United States	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Westcliffe	United States	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Clermont 9 S	United States	Record daily precipitation	84.8 mm (3.3 in)	36 of 100 (Notable)
Leech Lake	United States	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Beaver City	United States	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Cakir	Russia	Record daily precipitation	30.6 mm (1.2 in)	35 of 100 (Notable)
Winnibigoshish Dam	United States	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Salekhard	Russia	Record high minimum temperature	10.4 C (50.7 F)	34 of 100 (Routine)
Caliente	United States	Record low maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Bridgetown Comparison	Australia	Record high minimum temperature	15.1 C (59.2 F)	33 of 100 (Routine)
Rawsonville (Pol)	South Africa	Record daily precipitation	65.0 mm (2.6 in)	33 of 100 (Routine)
Clarke City	Canada	Record high minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Kashi	China	Record low maximum temperature	17.7 C (63.9 F)	32 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record high maximum temperature	30.7 C (87.3 F)	32 of 100 (Routine)
Moorefield	United States	Record daily precipitation	34.8 mm (1.4 in)	32 of 100 (Routine)
Hachita 1W	United States	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
St Petersburg	United States	Record low minimum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Pelican Rapids	United States	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Walker	United States	Record daily precipitation	33.3 mm (1.3 in)	31 of 100 (Routine)
Oakes	United States	Record daily precipitation	31.8 mm (1.3 in)	31 of 100 (Routine)
Estacada 2 SE	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Narrogin	Australia	Record high minimum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Chilliwack	Canada	Record high maximum temperature	32.5 C (90.5 F)	30 of 100 (Routine)
Port Aux Basques	Canada	Record high maximum temperature	22.1 C (71.8 F)	30 of 100 (Routine)
New London	United States	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
Oklee	United States	Record daily precipitation	79.2 mm (3.1 in)	30 of 100 (Routine)

Counts by Type and Timescale

622 records

Records set or tied on 7 September 1981 by type: Highest daily maximum 124, Lowest daily maximum 75, Highest daily minimum 90, Lowest daily minimum 79, Heaviest daily rainfall 254.

Records on 7 September 1981 by type
Record type	Records
Highest daily maximum	124
Lowest daily maximum	75
Highest daily minimum	90
Lowest daily minimum	79
Heaviest daily rainfall	254
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 September 1981 by timescale: all-time 2, monthly 25, daily 595.

How Much Records Were Beaten By

522 broken records

Margins by which the 522 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.2. Ties are not counted.

Top 20 by Significance

7 September 1981

Top 20 records on 7 September 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 September 1981	Larimore 4SW, US	daily rain	77.0 mm (3.0 in)	43.5 mm (1.7 in)	68 years	59 of 100 (Notable)
7 September 1981	White Sulphur Springs, US	daily rain	41.4 mm (1.6 in)	17.3 mm (0.7 in)	92 years	51 of 100 (Notable)
7 September 1981	Bancroft, CA	all-time rain	83.2 mm (3.3 in)	0.1 mm (0.00 in)	66 years	49 of 100 (Notable)
7 September 1981	Nueva Casas Grandes, MX	daily rain	36.0 mm (1.4 in)	31.5 mm (1.2 in)	20 years	49 of 100 (Notable)
7 September 1981	Nuevo Casas Grandes (Dge), MX	daily rain	35.8 mm (1.4 in)	31.5 mm (1.2 in)	20 years	49 of 100 (Notable)
7 September 1981	Sidney 1SSE, US	daily rain	50.3 mm (2.0 in)	45.5 mm (1.8 in)	27 years	48 of 100 (Notable)
7 September 1981	Paarl (Tnk), ZA	daily rain	46.0 mm (1.8 in)	8.7 mm (0.34 in)	92 years	45 of 100 (Notable)
7 September 1981	Plainville 4WNW, US	daily rain	66.3 mm (2.6 in)	41.9 mm (1.6 in)	35 years	45 of 100 (Notable)
7 September 1981	Westcliffe, US	daily low max	14.4 C (57.9 F)	5.6 C (10.1 F)	78 years	44 of 100 (Notable)
7 September 1981	Hebron, US	daily rain	44.5 mm (1.8 in)	19.9 mm (0.8 in)	80 years	44 of 100 (Notable)
7 September 1981	Griffiss AFB, US	daily rain	25.4 mm (1.0 in)	12.4 mm (0.5 in)	82 years	44 of 100 (Notable)
7 September 1981	Port Townsend, US	daily high max	29.4 C (84.9 F)	3.3 C (5.9 F)	82 years	43 of 100 (Notable)
7 September 1981	Little Port Walter, US	daily rain	210.3 mm (8.3 in)	127.2 mm (5.0 in)	10 years	42 of 100 (Notable)
7 September 1981	Fullerton, US	daily rain	62.7 mm (2.5 in)	26.4 mm (1.0 in)	51 years	41 of 100 (Notable)
7 September 1981	Petersburg 2 N, US	daily rain	49.5 mm (1.9 in)	31.7 mm (1.2 in)	11 years	41 of 100 (Notable)
7 September 1981	Lassance, BR	daily rain	30.2 mm (1.2 in)	30.2 mm (1.2 in)	40 years	40 of 100 (Notable)
7 September 1981	Argyle, US	daily rain	66.3 mm (2.6 in)	35.3 mm (1.4 in)	8 years	40 of 100 (Notable)
7 September 1981	Miami Beach, US	daily rain	87.1 mm (3.4 in)	48.2 mm (1.9 in)	28 years	40 of 100 (Notable)
7 September 1981	Falls River, CA	daily rain	95.0 mm (3.7 in)	32.8 mm (1.3 in)	48 years	39 of 100 (Notable)
7 September 1981	Metapa de Dominguez, MX	monthly low min	16.1 C (61.0 F)	2.2 C (4.0 F)	21 years	39 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

1802 to 1981

Records set or tied on this calendar date in each year from 1802 to 1981. 1981 had 622 records.

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

Records on 09-07 in each year
Year	Records
1802	2
1814	2
1816	1
1833	1
1845	2
1847	1
1848	1
1850	1
1852	1
1856	1
1859	1
1860	2
1861	1
1864	2
1865	3
1868	1
1870	1
1871	4
1872	3
1873	1
1877	4
1878	1
1879	1
1881	2
1882	1
1883	2
1886	1
1887	3
1888	1
1889	1
1890	2
1891	7
1892	3
1894	8
1895	7
1896	1
1897	2
1898	8
1899	3
1900	1
1901	6
1902	3
1903	7
1904	8
1905	20
1906	8
1907	5
1908	26
1909	11
1910	15
1911	20
1912	39
1913	20
1914	29
1915	28
1916	39
1917	44
1918	35
1919	184
1920	375
1921	80
1922	98
1923	125
1924	232
1925	303
1926	117
1927	147
1928	130
1929	355
1930	108
1931	400
1932	478
1933	287
1934	566
1935	275
1936	370
1937	260
1938	348
1939	634
1940	226
1941	451
1942	415
1943	591
1944	519
1945	482
1946	356
1947	625
1948	353
1949	705
1950	704
1951	342
1952	301
1953	446
1954	390
1955	405
1956	752
1957	498
1958	570
1959	583
1960	763
1961	312
1962	729
1963	448
1964	463
1965	672
1966	365
1967	535
1968	417
1969	696
1970	917
1971	648
1972	534
1973	674
1974	709
1975	423
1976	763
1977	674
1978	1,165
1979	583
1980	613
1981	622
1982	684
1983	1,235
1984	1,396
1985	1,459
1986	1,062
1987	956
1988	1,266
1989	553
1990	900
1991	957
1992	1,257
1993	720
1994	523
1995	1,093
1996	982
1997	799
1998	1,262
1999	1,087
2000	1,320
2001	1,068
2002	1,169
2003	768
2004	865
2005	708
2006	1,105
2007	1,171
2008	1,210
2009	713
2010	1,147
2011	1,452
2012	699
2013	981
2014	491
2015	637
2016	868
2017	966
2018	723
2019	743
2020	1,352
2021	794
2022	2,096
2023	1,116
2024	1,216
2025	711
2026	760

Download the Data

Data for records on 1981-09-07: 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 2026-10-16 (16 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	485
20 to 40	30
40 to 60	6
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	1