Weather Records on 24 September 1975

1,116 weather records were set or tied worldwide on 24 September 1975. Highest significance: Summerfield 2 NE, US.

Key Facts for 24 September 1975

On 24 September 1975, 1,116 weather records were set or tied at long-record stations worldwide.
137 were record highs and 502 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 53 monthly and 1,063 daily.
Summerfield 2 NE set a daily record precipitation of 53.3 mm (2.1 in) on 24 September 1975.
Across 166 earlier years (1803 to 2026) the same calendar date averaged 423 records.

Record Map

1,116 stations

1,116 station records on 24 September 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 September 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Summerfield 2 NE	United States	Record daily precipitation	53.3 mm (2.1 in)	63 of 100 (Major)
Brejo da Madre de Deus	Brazil	Record daily precipitation	50.8 mm (2.0 in)	62 of 100 (Major)
Cookeville	United States	Record daily precipitation	87.6 mm (3.4 in)	59 of 100 (Notable)
Hatchville	United States	Record daily precipitation	99.1 mm (3.9 in)	58 of 100 (Notable)
Wadley	United States	Record daily precipitation	79.0 mm (3.1 in)	55 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily precipitation	64.8 mm (2.6 in)	55 of 100 (Notable)
Monterey	United States	Record daily precipitation	72.4 mm (2.9 in)	54 of 100 (Notable)
Valley Head	United States	Record daily precipitation	72.4 mm (2.9 in)	53 of 100 (Notable)
Walnut Grove	United States	Record daily precipitation	125.0 mm (4.9 in)	53 of 100 (Notable)
Lay Dam	United States	Record daily precipitation	74.2 mm (2.9 in)	51 of 100 (Notable)
Hammonton 1 NE	United States	Record daily precipitation	78.2 mm (3.1 in)	50 of 100 (Notable)
Morgan Post Office	Australia	Record daily precipitation	28.0 mm (1.1 in)	49 of 100 (Notable)
Scottsboro	United States	Record daily precipitation	111.8 mm (4.4 in)	49 of 100 (Notable)
Chula Vista	United States	Record high maximum temperature	38.9 C (102.0 F)	49 of 100 (Notable)
Freehold-Marlboro	United States	Record daily precipitation	47.5 mm (1.9 in)	49 of 100 (Notable)
Areia (Ufpb)	Brazil	Record daily precipitation	37.7 mm (1.5 in)	48 of 100 (Notable)
Hightower	United States	Record daily precipitation	76.2 mm (3.0 in)	48 of 100 (Notable)
Edmonton 3 W	United States	Record daily precipitation	57.7 mm (2.3 in)	48 of 100 (Notable)
Dadeville	United States	Record daily precipitation	76.5 mm (3.0 in)	47 of 100 (Notable)
Steubenville	United States	Record daily precipitation	51.6 mm (2.0 in)	47 of 100 (Notable)
Oktyabr Skoye	Russia	Record daily precipitation	30.2 mm (1.2 in)	46 of 100 (Notable)
Boone	United States	Record daily precipitation	81.8 mm (3.2 in)	46 of 100 (Notable)
Jackson 3 NW	United States	Record daily precipitation	64.8 mm (2.6 in)	46 of 100 (Notable)
Blowing Rock 1NW	United States	Record daily precipitation	93.2 mm (3.7 in)	45 of 100 (Notable)
Soledade (Ibiapinopolis)	Brazil	Record daily precipitation	25.3 mm (1.0 in)	44 of 100 (Notable)
Corinth 5 WSW	United States	Record low maximum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Athens 5 NW	United States	Record daily precipitation	63.5 mm (2.5 in)	44 of 100 (Notable)
Scottsboro	United States	Record low maximum temperature	13.3 C (55.9 F)	43 of 100 (Notable)
Embry	United States	Record daily precipitation	77.5 mm (3.1 in)	43 of 100 (Notable)
Lebanon	United States	Record daily precipitation	61.5 mm (2.4 in)	43 of 100 (Notable)
Murfreesboro 5 N	United States	Record low maximum temperature	13.9 C (57.0 F)	43 of 100 (Notable)
Wellsburg Wtr Trmt Pl	United States	Record daily precipitation	49.3 mm (1.9 in)	43 of 100 (Notable)
Ephrata	United States	Record daily precipitation	88.6 mm (3.5 in)	42 of 100 (Notable)
Clarksville Wwtp	United States	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
Brockton	United States	Record daily precipitation	56.4 mm (2.2 in)	41 of 100 (Notable)
E Wareham	United States	Record daily precipitation	68.1 mm (2.7 in)	41 of 100 (Notable)
New Bedford Coop	United States	Record daily precipitation	58.2 mm (2.3 in)	41 of 100 (Notable)
Plymouth-Kingston	United States	Record daily precipitation	50.0 mm (2.0 in)	41 of 100 (Notable)
Piketon	United States	Record daily precipitation	57.2 mm (2.3 in)	41 of 100 (Notable)
Milan Exp STN	United States	Record low maximum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Centennial Park	Australia	Record daily precipitation	81.0 mm (3.2 in)	40 of 100 (Notable)
Oneonta	United States	Record low maximum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Cave Run Lake	United States	Record daily precipitation	58.9 mm (2.3 in)	40 of 100 (Notable)
Woodstown Pittsgrov 4E	United States	Record daily precipitation	78.7 mm (3.1 in)	40 of 100 (Notable)
Bolivar Wtr Wks	United States	Record low maximum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Henderson 8 SSW	United States	Record low maximum temperature	14.4 C (57.9 F)	39 of 100 (Notable)
Midway	United States	Record daily precipitation	67.6 mm (2.7 in)	39 of 100 (Notable)
Philo 3 SW	United States	Record daily precipitation	42.2 mm (1.7 in)	39 of 100 (Notable)
Fayetteville Wtp	United States	Record daily precipitation	65.5 mm (2.6 in)	39 of 100 (Notable)
Brownsville	United States	Record low minimum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Burcher Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Camp Hill 2NW	United States	Record daily precipitation	69.3 mm (2.7 in)	38 of 100 (Notable)
Mt Carmel	United States	Record daily precipitation	77.0 mm (3.0 in)	38 of 100 (Notable)
Bridgeville 1 NW	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Newark Ag Farm	United States	Record daily precipitation	56.1 mm (2.2 in)	38 of 100 (Notable)
Salvisa Lock 6	United States	Record daily precipitation	59.2 mm (2.3 in)	38 of 100 (Notable)
Owings Ferry Landing	United States	Record daily precipitation	63.8 mm (2.5 in)	38 of 100 (Notable)
Ashland	United States	Record daily precipitation	36.1 mm (1.4 in)	38 of 100 (Notable)
Milstead	United States	Record daily precipitation	71.9 mm (2.8 in)	37 of 100 (Notable)
Prattville	United States	Record low maximum temperature	16.1 C (61.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,116 records

Records set or tied on 24 September 1975 by type: Highest daily maximum 45, Lowest daily maximum 252, Highest daily minimum 92, Lowest daily minimum 250, Heaviest daily rainfall 475, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 24 September 1975 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	252
Highest daily minimum	92
Lowest daily minimum	250
Heaviest daily rainfall	475
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 24 September 1975 by timescale: all-time 0, monthly 53, daily 1,063.

How Much Records Were Beaten By

948 broken records

Margins by which the 948 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 77.0. Ties are not counted.

Top 20 by Significance

24 September 1975

Top 20 records on 24 September 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 1975	Summerfield 2 NE, US	daily rain	53.3 mm (2.1 in)	39.8 mm (1.6 in)	60 years	63 of 100 (Major)
24 September 1975	Brejo da Madre de Deus, BR	daily rain	50.8 mm (2.0 in)	43.6 mm (1.7 in)	53 years	62 of 100 (Major)
24 September 1975	Cookeville, US	daily rain	87.6 mm (3.4 in)	57.1 mm (2.2 in)	60 years	59 of 100 (Notable)
24 September 1975	Hatchville, US	daily rain	99.1 mm (3.9 in)	77.0 mm (3.0 in)	48 years	58 of 100 (Notable)
24 September 1975	Wadley, US	daily rain	79.0 mm (3.1 in)	64.0 mm (2.5 in)	38 years	55 of 100 (Notable)
24 September 1975	Mc Connellsville Lk 7, US	daily rain	64.8 mm (2.6 in)	44.5 mm (1.8 in)	29 years	55 of 100 (Notable)
24 September 1975	Monterey, US	daily rain	72.4 mm (2.9 in)	63.3 mm (2.5 in)	38 years	54 of 100 (Notable)
24 September 1975	Valley Head, US	daily rain	72.4 mm (2.9 in)	41.4 mm (1.6 in)	60 years	53 of 100 (Notable)
24 September 1975	Walnut Grove, US	monthly rain	125.0 mm (4.9 in)	51.3 mm (2.0 in)	29 years	53 of 100 (Notable)
24 September 1975	Lay Dam, US	daily rain	74.2 mm (2.9 in)	65.8 mm (2.6 in)	28 years	51 of 100 (Notable)
24 September 1975	Hammonton 1 NE, US	daily rain	78.2 mm (3.1 in)	41.4 mm (1.6 in)	65 years	50 of 100 (Notable)
24 September 1975	Morgan Post Office, AU	daily rain	28.0 mm (1.1 in)	21.6 mm (0.9 in)	1 year	49 of 100 (Notable)
24 September 1975	Scottsboro, US	monthly rain	111.8 mm (4.4 in)	15.3 mm (0.6 in)	75 years	49 of 100 (Notable)
24 September 1975	Chula Vista, US	daily high max	38.9 C (102.0 F)	8.9 C (16.0 F)	36 years	49 of 100 (Notable)
24 September 1975	Freehold-Marlboro, US	daily rain	47.5 mm (1.9 in)	23.9 mm (0.9 in)	91 years	49 of 100 (Notable)
24 September 1975	Areia (Ufpb), BR	daily rain	37.7 mm (1.5 in)	24.5 mm (1.0 in)	40 years	48 of 100 (Notable)
24 September 1975	Hightower, US	daily rain	76.2 mm (3.0 in)	64.3 mm (2.5 in)	28 years	48 of 100 (Notable)
24 September 1975	Edmonton 3 W, US	daily rain	57.7 mm (2.3 in)	27.7 mm (1.1 in)	72 years	48 of 100 (Notable)
24 September 1975	Dadeville, US	daily rain	76.5 mm (3.0 in)	46.3 mm (1.8 in)	57 years	47 of 100 (Notable)
24 September 1975	Steubenville, US	daily rain	51.6 mm (2.0 in)	39.9 mm (1.6 in)	20 years	47 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

1803 to 1975

Records set or tied on this calendar date in each year from 1803 to 1975. 1975 had 1,116 records.

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

Records on 09-24 in each year
Year	Records
1803	1
1835	1
1836	1
1842	1
1847	1
1852	2
1854	2
1857	2
1858	1
1859	1
1860	1
1863	1
1864	1
1865	1
1866	1
1867	2
1868	1
1870	3
1871	1
1872	1
1873	1
1874	2
1875	2
1876	1
1877	3
1878	2
1881	5
1884	1
1885	2
1887	1
1889	5
1890	1
1891	2
1892	5
1893	1
1894	2
1895	7
1896	2
1898	1
1899	4
1900	5
1901	3
1902	10
1903	8
1904	9
1905	7
1906	5
1907	20
1908	23
1909	31
1910	8
1911	11
1912	49
1913	9
1914	23
1915	159
1916	253
1917	87
1918	7
1919	26
1920	69
1921	23
1922	49
1923	70
1924	175
1925	146
1926	630
1927	194
1928	603
1929	137
1930	488
1931	463
1932	354
1933	424
1934	367
1935	449
1936	329
1937	237
1938	355
1939	331
1940	319
1941	319
1942	918
1943	413
1944	334
1945	475
1946	425
1947	704
1948	422
1949	554
1950	778
1951	580
1952	425
1953	346
1954	269
1955	577
1956	427
1957	370
1958	725
1959	414
1960	487
1961	680
1962	360
1963	715
1964	329
1965	624
1966	410
1967	394
1968	433
1969	278
1970	1,046
1971	485
1972	480
1973	1,208
1974	1,204
1975	1,116
1976	556
1977	814
1978	619
1979	577
1980	633
1981	604
1982	702
1983	1,128
1984	1,565
1985	771
1986	1,207
1987	729
1988	740
1989	1,668
1990	969
1991	519
1992	1,250
1993	1,055
1994	842
1995	1,251
1996	676
1997	1,238
1998	945
1999	933
2000	1,966
2001	1,097
2002	885
2003	863
2004	600
2005	1,256
2006	1,306
2007	1,244
2008	633
2009	866
2010	1,340
2011	770
2012	545
2013	514
2014	764
2015	770
2016	732
2017	1,402
2018	497
2019	516
2020	754
2021	457
2022	395
2023	689
2024	778
2025	576
2026	389

Download the Data

Data for records on 1975-09-24: 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	709
10 to 20	110
20 to 30	65
30 to 40	30
40 to 50	15
50 to 60	11
60 to 70	7
70 to 80	1