Weather Records on 15 September 1975

739 weather records were set or tied worldwide on 15 September 1975. Highest significance: Dandaloo (Kelvin), AU.

Key Facts for 15 September 1975

On 15 September 1975, 739 weather records were set or tied at long-record stations worldwide.
106 were record highs and 446 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 729 daily.
Dandaloo (Kelvin) set a daily record precipitation of 39.0 mm (1.5 in) on 15 September 1975.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 411 records.

Record Map

739 stations

739 station records on 15 September 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dandaloo (Kelvin)	Australia	Record daily precipitation	39.0 mm (1.5 in)	64 of 100 (Major)
Nymagee (Kenmure Station)	Australia	Record daily precipitation	35.0 mm (1.4 in)	58 of 100 (Notable)
Edwards Creek	Australia	Record daily precipitation	37.0 mm (1.5 in)	56 of 100 (Notable)
Chatsbury (Maryland)	Australia	Record daily precipitation	44.0 mm (1.7 in)	56 of 100 (Notable)
Nappa Merrie	Australia	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
Yarra (Rowe's Lagoon)	Australia	Record daily precipitation	42.0 mm (1.7 in)	53 of 100 (Notable)
Beresford	Australia	Record daily precipitation	29.0 mm (1.1 in)	52 of 100 (Notable)
Haig	Australia	Record daily precipitation	28.6 mm (1.1 in)	51 of 100 (Notable)
Harden (East St)	Australia	Record daily precipitation	28.0 mm (1.1 in)	49 of 100 (Notable)
Paruna	Australia	Record daily precipitation	26.0 mm (1.0 in)	48 of 100 (Notable)
Dandaloo (Skye)	Australia	Record daily precipitation	50.2 mm (2.0 in)	48 of 100 (Notable)
Tottenham (Burdenda)	Australia	Record daily precipitation	32.2 mm (1.3 in)	46 of 100 (Notable)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	37.0 mm (1.5 in)	45 of 100 (Notable)
Mount Dutton	Australia	Record daily precipitation	25.0 mm (1.0 in)	44 of 100 (Notable)
Leon Virgen del Camino	Spain	Record daily precipitation	35.0 mm (1.4 in)	42 of 100 (Notable)
Spring Creek	Australia	Record daily precipitation	48.5 mm (1.9 in)	41 of 100 (Notable)
Goulburn (Pomeroy)	Australia	Record daily precipitation	32.2 mm (1.3 in)	41 of 100 (Notable)
Albert (the Meadows)	Australia	Record daily precipitation	28.0 mm (1.1 in)	40 of 100 (Notable)
Gainesville	United States	Record low maximum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Woolgangi	Australia	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
W Chester 2 NW	United States	Record low minimum temperature	1.7 C (35.1 F)	38 of 100 (Notable)
Mallan (Niemur Valley)	Australia	Record daily precipitation	30.4 mm (1.2 in)	37 of 100 (Notable)
Texas Downs	Australia	Record daily precipitation	27.0 mm (1.1 in)	36 of 100 (Notable)
Paringa (Beardy Park Farm)	Australia	Record daily precipitation	27.2 mm (1.1 in)	36 of 100 (Notable)
Santander Centro	Spain	Record daily precipitation	52.0 mm (2.0 in)	35 of 100 (Notable)
Yates Ctr	United States	Record low maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Kingston	United States	Record low minimum temperature	-0.6 C (30.9 F)	35 of 100 (Notable)
Allenspark 2SE	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Moorestown 4 E	United States	Record low minimum temperature	1.7 C (35.1 F)	34 of 100 (Routine)
Mittagong (Kia Ora)	Australia	Record daily precipitation	27.8 mm (1.1 in)	33 of 100 (Routine)
Dover	United States	Record low minimum temperature	6.1 C (43.0 F)	33 of 100 (Routine)
Freehold-Marlboro	United States	Record low minimum temperature	1.7 C (35.1 F)	33 of 100 (Routine)
Raleigh State UNIV	United States	Record low minimum temperature	7.8 C (46.0 F)	33 of 100 (Routine)
Roxboro 7 ESE	United States	Record low maximum temperature	19.4 C (66.9 F)	33 of 100 (Routine)
Montpelier	United States	Record low minimum temperature	0.0 C (32.0 F)	33 of 100 (Routine)
Pecos	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Teziutlan	Mexico	Record low maximum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Albacete Los Llanos	Spain	Record low maximum temperature	15.2 C (59.4 F)	32 of 100 (Routine)
Storrs	United States	Record low minimum temperature	1.1 C (34.0 F)	32 of 100 (Routine)
Milford 2 SE	United States	Record low minimum temperature	3.3 C (37.9 F)	32 of 100 (Routine)
Millington 1 SE	United States	Record low minimum temperature	2.8 C (37.0 F)	32 of 100 (Routine)
Flemington 5 NNW	United States	Record low minimum temperature	1.1 C (34.0 F)	32 of 100 (Routine)
York 3 SSW Pump STN	United States	Record low minimum temperature	2.2 C (36.0 F)	32 of 100 (Routine)
Kangiara (Laverstock)	Australia	Record daily precipitation	25.0 mm (1.0 in)	31 of 100 (Routine)
Mammoth Spring	United States	Record low maximum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Howard 2SE	United States	Record low maximum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Denton 2 E	United States	Record low minimum temperature	4.4 C (39.9 F)	31 of 100 (Routine)
Brockton	United States	Record low minimum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
Defiance	United States	Record low minimum temperature	1.1 C (34.0 F)	31 of 100 (Routine)
Greenville Wtp	United States	Record low minimum temperature	1.7 C (35.1 F)	31 of 100 (Routine)
Charlottesville 2W	United States	Record low minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Dale Enterprise	United States	Record low minimum temperature	1.7 C (35.1 F)	31 of 100 (Routine)
Hot Springs	United States	Record low minimum temperature	1.7 C (35.1 F)	31 of 100 (Routine)
Aguililla	Mexico	Record daily precipitation	55.9 mm (2.2 in)	30 of 100 (Routine)
Wynne	United States	Record low maximum temperature	18.3 C (64.9 F)	30 of 100 (Routine)
El Dorado	United States	Record low maximum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Holton	United States	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Plymouth-Kingston	United States	Record low minimum temperature	1.1 C (34.0 F)	30 of 100 (Routine)
Middletown 2 NW	United States	Record low minimum temperature	2.2 C (36.0 F)	30 of 100 (Routine)
Kinston 7 SE	United States	Record low minimum temperature	8.3 C (46.9 F)	30 of 100 (Routine)

Counts by Type and Timescale

739 records

Records set or tied on 15 September 1975 by type: Highest daily maximum 58, Lowest daily maximum 211, Highest daily minimum 48, Lowest daily minimum 235, Heaviest daily rainfall 187.

Records on 15 September 1975 by type
Record type	Records
Highest daily maximum	58
Lowest daily maximum	211
Highest daily minimum	48
Lowest daily minimum	235
Heaviest daily rainfall	187
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 1975 by timescale: all-time 0, monthly 10, daily 729.

How Much Records Were Beaten By

591 broken records

Margins by which the 591 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 46.7. Ties are not counted.

Top 20 by Significance

15 September 1975

Top 20 records on 15 September 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1975	Dandaloo (Kelvin), AU	daily rain	39.0 mm (1.5 in)	23.3 mm (0.9 in)	83 years	64 of 100 (Major)
15 September 1975	Nymagee (Kenmure Station), AU	daily rain	35.0 mm (1.4 in)	23.3 mm (0.9 in)	72 years	58 of 100 (Notable)
15 September 1975	Edwards Creek, AU	daily rain	37.0 mm (1.5 in)	30.4 mm (1.2 in)	42 years	56 of 100 (Notable)
15 September 1975	Chatsbury (Maryland), AU	daily rain	44.0 mm (1.7 in)	16.1 mm (0.6 in)	83 years	56 of 100 (Notable)
15 September 1975	Nappa Merrie, AU	daily rain	33.0 mm (1.3 in)	22.1 mm (0.9 in)	28 years	54 of 100 (Notable)
15 September 1975	Yarra (Rowe's Lagoon), AU	daily rain	42.0 mm (1.7 in)	28.8 mm (1.1 in)	30 years	53 of 100 (Notable)
15 September 1975	Beresford, AU	daily rain	29.0 mm (1.1 in)	29.0 mm (1.1 in)	44 years	52 of 100 (Notable)
15 September 1975	Haig, AU	daily rain	28.6 mm (1.1 in)	23.5 mm (0.9 in)	28 years	51 of 100 (Notable)
15 September 1975	Harden (East St), AU	daily rain	28.0 mm (1.1 in)	11.0 mm (0.4 in)	83 years	49 of 100 (Notable)
15 September 1975	Paruna, AU	daily rain	26.0 mm (1.0 in)	14.6 mm (0.6 in)	54 years	48 of 100 (Notable)
15 September 1975	Dandaloo (Skye), AU	daily rain	50.2 mm (2.0 in)	40.5 mm (1.6 in)	4 years	48 of 100 (Notable)
15 September 1975	Tottenham (Burdenda), AU	daily rain	32.2 mm (1.3 in)	24.3 mm (1.0 in)	30 years	46 of 100 (Notable)
15 September 1975	Moss Vale (Hoskins Street), AU	daily rain	37.0 mm (1.5 in)	20.5 mm (0.8 in)	52 years	45 of 100 (Notable)
15 September 1975	Mount Dutton, AU	daily rain	25.0 mm (1.0 in)	21.4 mm (0.8 in)	42 years	44 of 100 (Notable)
15 September 1975	Leon Virgen del Camino, ES	daily rain	35.0 mm (1.4 in)	25.6 mm (1.0 in)	14 years	42 of 100 (Notable)
15 September 1975	Spring Creek, AU	monthly rain	48.5 mm (1.9 in)	27.7 mm (1.1 in)	1 year	41 of 100 (Notable)
15 September 1975	Goulburn (Pomeroy), AU	daily rain	32.2 mm (1.3 in)	22.8 mm (0.9 in)	25 years	41 of 100 (Notable)
15 September 1975	Albert (the Meadows), AU	daily rain	28.0 mm (1.1 in)	17.8 mm (0.7 in)	30 years	40 of 100 (Notable)
15 September 1975	Gainesville, US	daily low max	15.6 C (60.1 F)	6.6 C (11.9 F)	61 years	40 of 100 (Notable)
15 September 1975	Woolgangi, AU	daily rain	31.0 mm (1.2 in)	19.3 mm (0.8 in)	4 years	38 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

1797 to 1975

Records set or tied on this calendar date in each year from 1797 to 1975. 1975 had 739 records.

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

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 1975-09-15: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Histogram of margins by which records were beaten on 15 September 1975
Margin	Records
0 to 10	537
10 to 20	33
20 to 30	17
30 to 40	2
40 to 50	2