Weather Records on 25 September 1973

650 weather records were set or tied worldwide on 25 September 1973. Highest significance: Ferrara, IT.

Key Facts for 25 September 1973

On 25 September 1973, 650 weather records were set or tied at long-record stations worldwide.
190 were record highs and 175 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 41 monthly and 609 daily.
Ferrara set a daily record precipitation of 78.0 mm (3.1 in) on 25 September 1973.
Across 163 earlier years (1825 to 2026) the same calendar date averaged 424 records.

Record Map

650 stations

650 station records on 25 September 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 September 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ferrara	Italy	Record daily precipitation	78.0 mm (3.1 in)	67 of 100 (Major)
Mc Henry 3W	United States	Record daily precipitation	65.3 mm (2.6 in)	61 of 100 (Major)
Lawrence	United States	Record daily precipitation	71.6 mm (2.8 in)	59 of 100 (Notable)
Surat	India	Record daily precipitation	199.9 mm (7.9 in)	54 of 100 (Notable)
Overbrook 5 SE	United States	Record daily precipitation	77.5 mm (3.1 in)	54 of 100 (Notable)
Firth	United States	Record daily precipitation	117.3 mm (4.6 in)	53 of 100 (Notable)
Lecompton	United States	Record daily precipitation	86.4 mm (3.4 in)	51 of 100 (Notable)
Neosho Rapids	United States	Record daily precipitation	78.7 mm (3.1 in)	47 of 100 (Notable)
Osage City	United States	Record daily precipitation	61.0 mm (2.4 in)	47 of 100 (Notable)
Lakeview	United States	Record daily precipitation	26.9 mm (1.1 in)	46 of 100 (Notable)
Atchison	United States	Record daily precipitation	63.2 mm (2.5 in)	45 of 100 (Notable)
Wamego 4 W	United States	Record daily precipitation	46.5 mm (1.8 in)	45 of 100 (Notable)
Kristianstad	Sweden	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Oconomowoc Wwtp	United States	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
Santa Gertrudis	Mexico	Record daily precipitation	82.3 mm (3.2 in)	41 of 100 (Notable)
Soldier Summit	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Hano_A	Sweden	Record daily precipitation	28.8 mm (1.1 in)	40 of 100 (Notable)
Elbow Lake 5 E	United States	Record daily precipitation	41.1 mm (1.6 in)	40 of 100 (Notable)
Elk Valley	United States	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Trenton	United States	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Maryville 2E	United States	Record daily precipitation	47.5 mm (1.9 in)	38 of 100 (Notable)
Kursk	Russia	Record low minimum temperature	-3.9 C (25.0 F)	37 of 100 (Notable)
Perry	United States	Record daily precipitation	49.5 mm (1.9 in)	37 of 100 (Notable)
Itasca UNIV of Minn	United States	Record daily precipitation	40.1 mm (1.6 in)	37 of 100 (Notable)
Tathra Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
San Felipe	Mexico	Record daily precipitation	169.9 mm (6.7 in)	36 of 100 (Notable)
Bogoroditskoye-Fenino	Russia	Record low minimum temperature	-4.1 C (24.6 F)	36 of 100 (Notable)
Elatma	Russia	Record low maximum temperature	3.8 C (38.8 F)	34 of 100 (Routine)
Hoburg	Sweden	Record daily precipitation	27.6 mm (1.1 in)	34 of 100 (Routine)
Wapello	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Emmett	United States	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Bingham Canyon	United States	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Quatsino	Canada	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Kursk	Russia	Record low maximum temperature	4.2 C (39.6 F)	33 of 100 (Routine)
Karesuando	Sweden	Record low minimum temperature	-7.3 C (18.9 F)	33 of 100 (Routine)
Kiev	Ukraine	Record low maximum temperature	5.8 C (42.4 F)	33 of 100 (Routine)
Bayfield 6 N	United States	Record high minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Naryn	Kyrgyzstan	Record high minimum temperature	10.5 C (50.9 F)	32 of 100 (Routine)
Talbotton	United States	Record high minimum temperature	22.8 C (73.0 F)	32 of 100 (Routine)
Cottonwood Falls	United States	Record daily precipitation	43.7 mm (1.7 in)	32 of 100 (Routine)
Holton	United States	Record daily precipitation	41.1 mm (1.6 in)	32 of 100 (Routine)
Lebo	United States	Record daily precipitation	75.2 mm (3.0 in)	32 of 100 (Routine)
Bethany	United States	Record daily precipitation	55.9 mm (2.2 in)	32 of 100 (Routine)
Port Lavaca 2	United States	Record high minimum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Kamennaja-Step	Russia	Record low minimum temperature	-4.3 C (24.3 F)	31 of 100 (Routine)
Charles City	United States	Record high minimum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
Bonner Springs	United States	Record daily precipitation	73.4 mm (2.9 in)	31 of 100 (Routine)
Chestnut Hill	United States	Record low maximum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Georgetown	United States	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Janesville	United States	Record daily precipitation	30.5 mm (1.2 in)	31 of 100 (Routine)
Minsk	Belarus	Record low maximum temperature	4.6 C (40.3 F)	30 of 100 (Routine)
Vilnius	Lithuania	Record low maximum temperature	3.9 C (39.0 F)	30 of 100 (Routine)
Visby_Flygplats	Sweden	Record low maximum temperature	8.0 C (46.4 F)	30 of 100 (Routine)
Osceola	United States	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Paola	United States	Record daily precipitation	62.5 mm (2.5 in)	30 of 100 (Routine)
Clinton	United States	Record low maximum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Pokegama Dam	United States	Record daily precipitation	29.7 mm (1.2 in)	30 of 100 (Routine)
Marion	United States	Record high minimum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Tripoli City	Libya	Record high minimum temperature	28.4 C (83.1 F)	29 of 100 (Routine)
Juchitan de Zaragoza	Mexico	Record high maximum temperature	38.9 C (102.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

650 records

Records set or tied on 25 September 1973 by type: Highest daily maximum 52, Lowest daily maximum 104, Highest daily minimum 138, Lowest daily minimum 71, Heaviest daily rainfall 281, Heaviest daily snowfall 4.

Records on 25 September 1973 by type
Record type	Records
Highest daily maximum	52
Lowest daily maximum	104
Highest daily minimum	138
Lowest daily minimum	71
Heaviest daily rainfall	281
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 25 September 1973 by timescale: all-time 0, monthly 41, daily 609.

How Much Records Were Beaten By

551 broken records

Margins by which the 551 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 143.3. Ties are not counted.

Top 20 by Significance

25 September 1973

Top 20 records on 25 September 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 September 1973	Ferrara, IT	daily rain	78.0 mm (3.1 in)	40.5 mm (1.6 in)	72 years	67 of 100 (Major)
25 September 1973	Mc Henry 3W, US	daily rain	65.3 mm (2.6 in)	50.8 mm (2.0 in)	50 years	61 of 100 (Major)
25 September 1973	Lawrence, US	daily rain	71.6 mm (2.8 in)	34.3 mm (1.4 in)	111 years	59 of 100 (Notable)
25 September 1973	Surat, IN	daily rain	199.9 mm (7.9 in)	143.3 mm (5.6 in)	26 years	54 of 100 (Notable)
25 September 1973	Overbrook 5 SE, US	daily rain	77.5 mm (3.1 in)	59.5 mm (2.3 in)	38 years	54 of 100 (Notable)
25 September 1973	Firth, US	monthly rain	117.3 mm (4.6 in)	43.1 mm (1.7 in)	25 years	53 of 100 (Notable)
25 September 1973	Lecompton, US	daily rain	86.4 mm (3.4 in)	67.1 mm (2.6 in)	28 years	51 of 100 (Notable)
25 September 1973	Neosho Rapids, US	daily rain	78.7 mm (3.1 in)	47.7 mm (1.9 in)	60 years	47 of 100 (Notable)
25 September 1973	Osage City, US	daily rain	61.0 mm (2.4 in)	39.2 mm (1.5 in)	58 years	47 of 100 (Notable)
25 September 1973	Lakeview, US	daily rain	26.9 mm (1.1 in)	23.1 mm (0.9 in)	24 years	46 of 100 (Notable)
25 September 1973	Atchison, US	daily rain	63.2 mm (2.5 in)	34.5 mm (1.4 in)	58 years	45 of 100 (Notable)
25 September 1973	Wamego 4 W, US	daily rain	46.5 mm (1.8 in)	32.5 mm (1.3 in)	58 years	45 of 100 (Notable)
25 September 1973	Kristianstad, SE	daily rain	37.6 mm (1.5 in)	10.8 mm (0.4 in)	38 years	42 of 100 (Notable)
25 September 1973	Oconomowoc Wwtp, US	daily rain	34.5 mm (1.4 in)	17.5 mm (0.7 in)	76 years	42 of 100 (Notable)
25 September 1973	Santa Gertrudis, MX	daily rain	82.3 mm (3.2 in)	69.1 mm (2.7 in)	24 years	41 of 100 (Notable)
25 September 1973	Soldier Summit, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	79 years	41 of 100 (Notable)
25 September 1973	Hano_A, SE	daily rain	28.8 mm (1.1 in)	11.5 mm (0.5 in)	24 years	40 of 100 (Notable)
25 September 1973	Elbow Lake 5 E, US	daily rain	41.1 mm (1.6 in)	31.2 mm (1.2 in)	14 years	40 of 100 (Notable)
25 September 1973	Elk Valley, US	daily rain	45.7 mm (1.8 in)	36.0 mm (1.4 in)	23 years	39 of 100 (Notable)
25 September 1973	Trenton, US	daily rain	55.9 mm (2.2 in)	26.7 mm (1.1 in)	56 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

1825 to 1973

Records set or tied on this calendar date in each year from 1825 to 1973. 1973 had 650 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 1973-09-25: 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	501
20 to 40	36
40 to 60	10
60 to 80	2
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1