Weather Records on 25 September 1981

669 weather records were set or tied worldwide on 25 September 1981. Highest significance: Wymore, US.

Key Facts for 25 September 1981

On 25 September 1981, 669 weather records were set or tied at long-record stations worldwide.
203 were record highs and 134 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 647 daily.
Wymore set a daily record precipitation of 118.6 mm (4.7 in) on 25 September 1981.
Across 163 earlier years (1825 to 2026) the same calendar date averaged 424 records.

Record Map

669 stations

669 station records on 25 September 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 September 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wymore	United States	Record daily precipitation	118.6 mm (4.7 in)	72 of 100 (Major)
Fairbury 7S	United States	Record daily precipitation	81.8 mm (3.2 in)	54 of 100 (Notable)
Elkader 6 SSW	United States	Record daily precipitation	49.5 mm (1.9 in)	53 of 100 (Notable)
Deloraine	Canada	Record daily precipitation	34.0 mm (1.3 in)	51 of 100 (Notable)
Crete 4ESE	United States	Record daily precipitation	118.1 mm (4.6 in)	50 of 100 (Notable)
Minnedosa	Canada	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Swan River	Canada	Record daily precipitation	33.5 mm (1.3 in)	46 of 100 (Notable)
Cradle Valley (Waldheim)	Australia	Record daily precipitation	72.4 mm (2.9 in)	45 of 100 (Notable)
Braganca	Portugal	Record daily precipitation	39.9 mm (1.6 in)	45 of 100 (Notable)
Brandon Cda	Canada	Record daily precipitation	41.5 mm (1.6 in)	44 of 100 (Notable)
Whitewood	Canada	Record daily precipitation	36.2 mm (1.4 in)	43 of 100 (Notable)
Miami Beach	United States	Record daily precipitation	110.7 mm (4.4 in)	42 of 100 (Notable)
Millinocket	United States	Record daily precipitation	61.5 mm (2.4 in)	39 of 100 (Notable)
Webster	United States	Record high minimum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Big Delta AP	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Big Delta AP	United States	Record snow depth	15.2 cm (6.0 in)	39 of 100 (Notable)
Portage Southport A	Canada	Record daily precipitation	38.4 mm (1.5 in)	38 of 100 (Notable)
Glen St Mary 1 W	United States	Record low minimum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Chico UNIV Farm	United States	Record low maximum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Gulkana AP	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Brandon A	Canada	Record daily precipitation	40.1 mm (1.6 in)	36 of 100 (Notable)
Porto	Portugal	Record daily precipitation	49.3 mm (1.9 in)	36 of 100 (Notable)
Krasnyj Jar	Russia	Record daily precipitation	26.1 mm (1.0 in)	36 of 100 (Notable)
Fairfield	United States	Record daily precipitation	52.8 mm (2.1 in)	36 of 100 (Notable)
Grenfell	Canada	Record daily precipitation	41.2 mm (1.6 in)	35 of 100 (Notable)
Russell	Canada	Record daily precipitation	28.0 mm (1.1 in)	35 of 100 (Notable)
Oelwein 2 S	United States	Record daily precipitation	81.8 mm (3.2 in)	35 of 100 (Notable)
Yorkton A	Canada	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Flagler 1S	United States	Record daily precipitation	37.6 mm (1.5 in)	34 of 100 (Routine)
Guttenberg L&D 10	United States	Record daily precipitation	52.1 mm (2.1 in)	34 of 100 (Routine)
Primghar	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Wessington Springs	United States	Record high minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Ponferrada	Spain	Record daily precipitation	35.9 mm (1.4 in)	33 of 100 (Routine)
Gage AP	United States	Record high minimum temperature	19.4 C (66.9 F)	33 of 100 (Routine)
Colfax	United States	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Colgate Powerhouse	United States	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)
Covert	United States	Record daily precipitation	65.3 mm (2.6 in)	32 of 100 (Routine)
Mt Hope	United States	Record daily precipitation	51.1 mm (2.0 in)	32 of 100 (Routine)
Sharon Springs	United States	Record daily precipitation	48.3 mm (1.9 in)	32 of 100 (Routine)
Crow Agency	United States	Record high minimum temperature	10.6 C (51.1 F)	32 of 100 (Routine)
Black Rock	United States	Record high minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Huron Rgnl AP	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Dalby Post Office	Australia	Record high minimum temperature	18.0 C (64.4 F)	31 of 100 (Routine)
Carlyle	Canada	Record daily precipitation	31.6 mm (1.2 in)	31 of 100 (Routine)
Willmar	Canada	Record daily precipitation	31.2 mm (1.2 in)	31 of 100 (Routine)
Aburatsu	Japan	Record daily precipitation	217.0 mm (8.5 in)	31 of 100 (Routine)
Bowman Dam	United States	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Coleman Fisheries STN	United States	Record daily precipitation	50.5 mm (2.0 in)	31 of 100 (Routine)
Weaverville	United States	Record low maximum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Oakdale	United States	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Zilair	Russia	Record daily precipitation	26.8 mm (1.1 in)	30 of 100 (Routine)
Challenge Rs	United States	Record daily precipitation	41.1 mm (1.6 in)	30 of 100 (Routine)
Foresthill Rs	United States	Record daily precipitation	26.2 mm (1.0 in)	30 of 100 (Routine)
Dumont	United States	Record daily precipitation	53.3 mm (2.1 in)	30 of 100 (Routine)
Independence #1	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Herkimer	United States	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Woodland	United States	Record daily precipitation	57.4 mm (2.3 in)	30 of 100 (Routine)
Luverne	United States	Record high minimum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Hereford	United States	Record high minimum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Gold Run 4 SW	United States	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)

Counts by Type and Timescale

669 records

Records set or tied on 25 September 1981 by type: Highest daily maximum 62, Lowest daily maximum 61, Highest daily minimum 141, Lowest daily minimum 73, Heaviest daily rainfall 324, Heaviest daily snowfall 5, Deepest snow cover 3.

Records on 25 September 1981 by type
Record type	Records
Highest daily maximum	62
Lowest daily maximum	61
Highest daily minimum	141
Lowest daily minimum	73
Heaviest daily rainfall	324
Heaviest daily snowfall	5
Deepest snow cover	3

Records on 25 September 1981 by timescale: all-time 2, monthly 20, daily 647.

How Much Records Were Beaten By

550 broken records

Margins by which the 550 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 91.7. Ties are not counted.

Top 20 by Significance

25 September 1981

Top 20 records on 25 September 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 September 1981	Wymore, US	daily rain	118.6 mm (4.7 in)	91.7 mm (3.6 in)	80 years	72 of 100 (Major)
25 September 1981	Fairbury 7S, US	daily rain	81.8 mm (3.2 in)	49.0 mm (1.9 in)	46 years	54 of 100 (Notable)
25 September 1981	Elkader 6 SSW, US	daily rain	49.5 mm (1.9 in)	26.6 mm (1.0 in)	80 years	53 of 100 (Notable)
25 September 1981	Deloraine, CA	daily rain	34.0 mm (1.3 in)	26.1 mm (1.0 in)	30 years	51 of 100 (Notable)
25 September 1981	Crete 4ESE, US	monthly rain	118.1 mm (4.6 in)	17.8 mm (0.7 in)	71 years	50 of 100 (Notable)
25 September 1981	Minnedosa, CA	daily rain	33.0 mm (1.3 in)	10.1 mm (0.4 in)	80 years	47 of 100 (Notable)
25 September 1981	Swan River, CA	daily rain	33.5 mm (1.3 in)	18.8 mm (0.7 in)	58 years	46 of 100 (Notable)
25 September 1981	Cradle Valley (Waldheim), AU	daily rain	72.4 mm (2.9 in)	28.7 mm (1.1 in)	56 years	45 of 100 (Notable)
25 September 1981	Braganca, PT	daily rain	39.9 mm (1.6 in)	28.3 mm (1.1 in)	4 years	45 of 100 (Notable)
25 September 1981	Brandon Cda, CA	daily rain	41.5 mm (1.6 in)	12.3 mm (0.5 in)	72 years	44 of 100 (Notable)
25 September 1981	Whitewood, CA	daily rain	36.2 mm (1.4 in)	16.6 mm (0.7 in)	58 years	43 of 100 (Notable)
25 September 1981	Miami Beach, US	daily rain	110.7 mm (4.4 in)	56.9 mm (2.2 in)	18 years	42 of 100 (Notable)
25 September 1981	Millinocket, US	daily rain	61.5 mm (2.4 in)	28.2 mm (1.1 in)	36 years	39 of 100 (Notable)
25 September 1981	Webster, US	daily high min	12.2 C (54.0 F)	3.3 C (5.9 F)	85 years	39 of 100 (Notable)
25 September 1981	Big Delta AP, US	daily snowfall	12.7 cm (5.0 in)	8.6 cm (3.4 in)	32 years	39 of 100 (Notable)
25 September 1981	Big Delta AP, US	monthly snow depth	15.2 cm (6.0 in)	5.0 cm (2.0 in)	3 years	39 of 100 (Notable)
25 September 1981	Portage Southport A, CA	daily rain	38.4 mm (1.5 in)	22.1 mm (0.9 in)	22 years	38 of 100 (Notable)
25 September 1981	Glen St Mary 1 W, US	daily low min	10.6 C (51.1 F)	3.8 C (6.8 F)	52 years	38 of 100 (Notable)
25 September 1981	Chico UNIV Farm, US	monthly low max	16.7 C (62.1 F)	0.5 C (0.9 F)	64 years	37 of 100 (Notable)
25 September 1981	Gulkana AP, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	67 years	37 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

1825 to 1981

Records set or tied on this calendar date in each year from 1825 to 1981. 1981 had 669 records.

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

Records on 09-25 in each year
Year	Records
1825	1
1834	1
1836	1
1842	1
1843	1
1847	1
1851	1
1852	1
1855	1
1857	2
1859	1
1860	1
1863	1
1865	1
1866	2
1867	2
1868	1
1871	2
1872	1
1874	1
1875	1
1877	3
1879	2
1881	3
1884	3
1885	6
1886	1
1887	3
1889	7
1891	3
1893	7
1894	3
1895	5
1896	5
1897	2
1898	1
1899	2
1900	7
1901	6
1902	11
1903	4
1904	10
1905	16
1906	7
1907	35
1908	20
1909	22
1910	5
1911	9
1912	63
1913	13
1914	15
1915	43
1916	139
1917	138
1918	16
1919	20
1920	75
1921	32
1922	47
1923	68
1924	157
1925	141
1926	740
1927	166
1928	480
1929	158
1930	489
1931	500
1932	260
1933	542
1934	394
1935	258
1936	274
1937	190
1938	335
1939	454
1940	517
1941	269
1942	970
1943	488
1944	246
1945	514
1946	292
1947	666
1948	501
1949	479
1950	1,163
1951	639
1952	515
1953	242
1954	292
1955	546
1956	503
1957	231
1958	454
1959	396
1960	694
1961	530
1962	305
1963	602
1964	403
1965	690
1966	334
1967	428
1968	300
1969	196
1970	783
1971	323
1972	706
1973	650
1974	995
1975	1,166
1976	541
1977	875
1978	462
1979	719
1980	687
1981	669
1982	759
1983	647
1984	1,305
1985	446
1986	1,766
1987	560
1988	571
1989	1,367
1990	875
1991	1,243
1992	1,346
1993	1,015
1994	666
1995	1,013
1996	648
1997	1,278
1998	1,346
1999	804
2000	1,536
2001	1,536
2002	876
2003	758
2004	519
2005	1,484
2006	767
2007	1,284
2008	766
2009	854
2010	1,125
2011	763
2012	505
2013	615
2014	800
2015	868
2016	781
2017	1,253
2018	648
2019	530
2020	1,089
2021	355
2022	301
2023	580
2024	1,120
2025	569
2026	473

Download the Data

Data for records on 1981-09-25: 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	506
20 to 40	37
40 to 60	5
60 to 80	0
80 to 100	2