Weather Records on 25 September 1983

647 weather records were set or tied worldwide on 25 September 1983. Highest significance: Milan, IT.

Key Facts for 25 September 1983

On 25 September 1983, 647 weather records were set or tied at long-record stations worldwide.
219 were record highs and 294 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 40 monthly and 607 daily.
Milan set a daily record high maximum temperature of 33.0 C (91.4 F) on 25 September 1983.
Across 163 earlier years (1825 to 2026) the same calendar date averaged 424 records.

Record Map

647 stations

647 station records on 25 September 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 September 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milan	Italy	Record high maximum temperature	33.0 C (91.4 F)	53 of 100 (Notable)
Atlin	Canada	Record daily snowfall	9.0 cm (3.5 in)	48 of 100 (Notable)
Olivares Mexicanos	Mexico	Record daily precipitation	39.9 mm (1.6 in)	47 of 100 (Notable)
Nord-Rana	Norway	Record daily precipitation	39.7 mm (1.6 in)	47 of 100 (Notable)
Lottering (Bos)	South Africa	Record daily precipitation	90.0 mm (3.5 in)	47 of 100 (Notable)
Ribeirao Corrente	Brazil	Record daily precipitation	69.3 mm (2.7 in)	45 of 100 (Notable)
Pelly Ranch	Canada	Record low maximum temperature	-4.5 C (23.9 F)	44 of 100 (Notable)
L F Wade Intl AP Kindley Fld	Bermuda [United Kingdom]	Record daily precipitation	94.7 mm (3.7 in)	41 of 100 (Notable)
Karesuando	Sweden	Record low maximum temperature	0.2 C (32.4 F)	41 of 100 (Notable)
Metapa de Dominguez	Mexico	Record low minimum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Galway	Ireland	Record high maximum temperature	22.5 C (72.5 F)	39 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record high maximum temperature	32.9 C (91.2 F)	39 of 100 (Notable)
Glomfjord	Norway	Record daily precipitation	68.4 mm (2.7 in)	39 of 100 (Notable)
Eagle	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Lake Alfred Exp STN	United States	Record low minimum temperature	13.3 C (55.9 F)	38 of 100 (Notable)
Langara	Canada	Record daily precipitation	56.8 mm (2.2 in)	37 of 100 (Notable)
Tonala (Smn)	Mexico	Record high minimum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Drevja	Norway	Record daily precipitation	58.6 mm (2.3 in)	37 of 100 (Notable)
Dunderlandsdalen	Norway	Record daily precipitation	48.5 mm (1.9 in)	37 of 100 (Notable)
Cape Kazantip (Lh)	Ukraine	Record daily precipitation	41.7 mm (1.6 in)	37 of 100 (Notable)
Eagle	United States	Record low maximum temperature	-3.9 C (25.0 F)	37 of 100 (Notable)
Eagle	United States	Record snow depth	10.2 cm (4.0 in)	37 of 100 (Notable)
Asheville	United States	Record low minimum temperature	2.2 C (36.0 F)	37 of 100 (Notable)
Crockett	United States	Record low minimum temperature	7.2 C (45.0 F)	36 of 100 (Notable)
N'Guigni	Niger	Record low minimum temperature	14.5 C (58.1 F)	35 of 100 (Notable)
Leipikvattnet	Sweden	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Lugano	Switzerland	Record high maximum temperature	30.8 C (87.4 F)	35 of 100 (Notable)
Perm	Russia	Record high minimum temperature	11.9 C (53.4 F)	34 of 100 (Routine)
Fitzgerald	United States	Record low minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Mayo A	Canada	Record low maximum temperature	-2.5 C (27.5 F)	32 of 100 (Routine)
Long Branch-Oakhurst	United States	Record low minimum temperature	0.0 C (32.0 F)	32 of 100 (Routine)
Lexington	United States	Record low minimum temperature	1.7 C (35.1 F)	32 of 100 (Routine)
Uniontown 1 NE	United States	Record low minimum temperature	-1.7 C (28.9 F)	32 of 100 (Routine)
Muyinga	Burundi	Record daily precipitation	48.4 mm (1.9 in)	31 of 100 (Routine)
Brest-Guipavas	France	Record high maximum temperature	29.3 C (84.7 F)	31 of 100 (Routine)
Tavira	Portugal	Record high maximum temperature	39.2 C (102.6 F)	31 of 100 (Routine)
Kislovodsk	Russia	Record daily precipitation	28.9 mm (1.1 in)	31 of 100 (Routine)
Eskridge	United States	Record low minimum temperature	1.7 C (35.1 F)	31 of 100 (Routine)
Saluda	United States	Record low minimum temperature	2.8 C (37.0 F)	31 of 100 (Routine)
Minchumina	United States	Record low minimum temperature	-12.2 C (10.0 F)	31 of 100 (Routine)
Monsenhor Paulo	Brazil	Record daily precipitation	39.3 mm (1.5 in)	30 of 100 (Routine)
Fazenda Primavera	Brazil	Record daily precipitation	35.3 mm (1.4 in)	30 of 100 (Routine)
Marseilles-Marignane	France	Record high maximum temperature	31.2 C (88.2 F)	30 of 100 (Routine)
Jefferson 2 E	United States	Record low minimum temperature	-2.8 C (27.0 F)	30 of 100 (Routine)
Krakmo	Norway	Record daily precipitation	50.9 mm (2.0 in)	29 of 100 (Routine)
Wick	United Kingdom	Record high maximum temperature	21.5 C (70.7 F)	29 of 100 (Routine)
San Jon	United States	Record high minimum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Clayton Muni Air Pk	United States	Record high minimum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Tanana AP	United States	Record low minimum temperature	-15.0 C (5.0 F)	29 of 100 (Routine)
Barra Do Cuiete-Jusante	Brazil	Record daily precipitation	38.8 mm (1.5 in)	28 of 100 (Routine)
Sandspit A	Canada	Record daily precipitation	30.1 mm (1.2 in)	28 of 100 (Routine)
Valentia Observatory	Ireland	Record high maximum temperature	24.4 C (75.9 F)	28 of 100 (Routine)
Brevard	United States	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
W Chester 2 NW	United States	Record low minimum temperature	-0.6 C (30.9 F)	28 of 100 (Routine)
Seward AP	United States	Record low maximum temperature	3.9 C (39.0 F)	28 of 100 (Routine)
Sta. Cruz de Tenerife	Spain	Record high maximum temperature	34.0 C (93.2 F)	27 of 100 (Routine)
Belle Glade	United States	Record low minimum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Corning	United States	Record low minimum temperature	-3.9 C (25.0 F)	27 of 100 (Routine)
Solon Springs	United States	Record low minimum temperature	-3.9 C (25.0 F)	27 of 100 (Routine)
Matanuska Exp Farm	United States	Record low maximum temperature	5.6 C (42.1 F)	27 of 100 (Routine)

Counts by Type and Timescale

647 records

Records set or tied on 25 September 1983 by type: Highest daily maximum 118, Lowest daily maximum 75, Highest daily minimum 101, Lowest daily minimum 219, Heaviest daily rainfall 129, Heaviest daily snowfall 3, Deepest snow cover 2.

Records on 25 September 1983 by type
Record type	Records
Highest daily maximum	118
Lowest daily maximum	75
Highest daily minimum	101
Lowest daily minimum	219
Heaviest daily rainfall	129
Heaviest daily snowfall	3
Deepest snow cover	2

Records on 25 September 1983 by timescale: all-time 0, monthly 40, daily 607.

How Much Records Were Beaten By

491 broken records

Margins by which the 491 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.0. Ties are not counted.

Top 20 by Significance

25 September 1983

Top 20 records on 25 September 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 September 1983	Milan, IT	daily high max	33.0 C (91.4 F)	4.8 C (8.6 F)	108 years	53 of 100 (Notable)
25 September 1983	Atlin, CA	daily snowfall	9.0 cm (3.5 in)	7.5 cm (3.0 in)	74 years	48 of 100 (Notable)
25 September 1983	Olivares Mexicanos, MX	monthly rain	39.9 mm (1.6 in)	18.1 mm (0.7 in)	7 years	47 of 100 (Notable)
25 September 1983	Nord-Rana, NO	daily rain	39.7 mm (1.6 in)	13.7 mm (0.5 in)	85 years	47 of 100 (Notable)
25 September 1983	Lottering (Bos), ZA	daily rain	90.0 mm (3.5 in)	47.6 mm (1.9 in)	50 years	47 of 100 (Notable)
25 September 1983	Ribeirao Corrente, BR	daily rain	69.3 mm (2.7 in)	53.8 mm (2.1 in)	12 years	45 of 100 (Notable)
25 September 1983	Pelly Ranch, CA	monthly low max	-4.5 C (23.9 F)	0.6 C (1.1 F)	83 years	44 of 100 (Notable)
25 September 1983	L F Wade Intl AP Kindley Fld, BM	daily rain	94.7 mm (3.7 in)	52.8 mm (2.1 in)	8 years	41 of 100 (Notable)
25 September 1983	Karesuando, SE	daily low max	0.2 C (32.4 F)	1.3 C (2.3 F)	94 years	41 of 100 (Notable)
25 September 1983	Metapa de Dominguez, MX	daily low min	15.6 C (60.1 F)	3.3 C (5.9 F)	21 years	40 of 100 (Notable)
25 September 1983	Galway, IE	daily high max	22.5 C (72.5 F)	0.8 C (1.4 F)	87 years	39 of 100 (Notable)
25 September 1983	Marseille Obs. Palais-Lonchamp, FR	daily high max	32.9 C (91.2 F)	3.7 C (6.7 F)	64 years	39 of 100 (Notable)
25 September 1983	Glomfjord, NO	daily rain	68.4 mm (2.7 in)	28.2 mm (1.1 in)	45 years	39 of 100 (Notable)
25 September 1983	Eagle, US	daily snowfall	5.1 cm (2.0 in)	3.1 cm (1.2 in)	80 years	39 of 100 (Notable)
25 September 1983	Lake Alfred Exp STN, US	daily low min	13.3 C (55.9 F)	3.4 C (6.1 F)	36 years	38 of 100 (Notable)
25 September 1983	Langara, CA	monthly rain	56.8 mm (2.2 in)	7.5 mm (0.30 in)	47 years	37 of 100 (Notable)
25 September 1983	Tonala (Smn), MX	daily high min	27.2 C (81.0 F)	2.2 C (4.0 F)	58 years	37 of 100 (Notable)
25 September 1983	Drevja, NO	daily rain	58.6 mm (2.3 in)	27.0 mm (1.1 in)	4 years	37 of 100 (Notable)
25 September 1983	Dunderlandsdalen, NO	daily rain	48.5 mm (1.9 in)	25.5 mm (1.0 in)	4 years	37 of 100 (Notable)
25 September 1983	Cape Kazantip (Lh), UA	daily rain	41.7 mm (1.6 in)	23.9 mm (0.9 in)	5 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 1983

Records set or tied on this calendar date in each year from 1825 to 1983. 1983 had 647 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 1983-09-25: 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 10	451
10 to 20	26
20 to 30	9
30 to 40	1
40 to 50	1
50 to 60	2
60 to 70	0
70 to 80	1