Weather Records on 30 September 1975

686 weather records were set or tied worldwide on 30 September 1975. Highest significance: Wombat (Tumbleton), AU.

Key Facts for 30 September 1975

On 30 September 1975, 686 weather records were set or tied at long-record stations worldwide.
236 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 680 daily.
Wombat (Tumbleton) set a daily record precipitation of 43.6 mm (1.7 in) on 30 September 1975.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 438 records.

Record Map

686 stations

686 station records on 30 September 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wombat (Tumbleton)	Australia	Record daily precipitation	43.6 mm (1.7 in)	65 of 100 (Major)
Barmedman Post Office	Australia	Record daily precipitation	52.2 mm (2.1 in)	61 of 100 (Major)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	44.4 mm (1.7 in)	59 of 100 (Notable)
Tullibigeal Post Office	Australia	Record daily precipitation	38.2 mm (1.5 in)	56 of 100 (Notable)
Euabalong (Lachlan St)	Australia	Record daily precipitation	39.4 mm (1.6 in)	55 of 100 (Notable)
Ungarie Post Office	Australia	Record daily precipitation	32.6 mm (1.3 in)	49 of 100 (Notable)
Frogmore	Australia	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Yass (Linton Hostel)	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Stockinbingal General Store	Australia	Record daily precipitation	41.5 mm (1.6 in)	45 of 100 (Notable)
Temora Ambulance Station	Australia	Record daily precipitation	42.0 mm (1.7 in)	45 of 100 (Notable)
Santiago de Compostela/Labacol	Spain	Record daily precipitation	85.4 mm (3.4 in)	45 of 100 (Notable)
Julesburg	United States	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Bigga (Woolbrook)	Australia	Record daily precipitation	42.6 mm (1.7 in)	44 of 100 (Notable)
Cootamundra Post Office	Australia	Record daily precipitation	40.8 mm (1.6 in)	44 of 100 (Notable)
Bungarby (Merambego)	Australia	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Young Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Blina	Australia	Record daily precipitation	28.0 mm (1.1 in)	42 of 100 (Notable)
Mount Ryde	Australia	Record daily precipitation	26.6 mm (1.0 in)	42 of 100 (Notable)
Kangiara (Laverstock)	Australia	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Wyalong Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Ures (Smn)	Mexico	Record daily precipitation	85.3 mm (3.4 in)	41 of 100 (Notable)
Ekari Park	Australia	Record daily precipitation	26.0 mm (1.0 in)	40 of 100 (Notable)
Yass (Derringullen)	Australia	Record daily precipitation	29.2 mm (1.1 in)	40 of 100 (Notable)
Pierces Creek Forestry	Australia	Record daily precipitation	39.0 mm (1.5 in)	40 of 100 (Notable)
Tejupa	Brazil	Record daily precipitation	45.5 mm (1.8 in)	40 of 100 (Notable)
Owen	Australia	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Lake Cargelligo Airport	Australia	Record daily precipitation	34.6 mm (1.4 in)	38 of 100 (Notable)
Muenster	Germany	Record high maximum temperature	27.3 C (81.1 F)	38 of 100 (Notable)
Cobar (Double Gates)	Australia	Record daily precipitation	42.0 mm (1.7 in)	37 of 100 (Notable)
Parkes (Macarthur Street)	Australia	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Junee Reefs (Noorla)	Australia	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Temora Research Station	Australia	Record daily precipitation	50.5 mm (2.0 in)	37 of 100 (Notable)
Yalgogrin North (Roloma)	Australia	Record daily precipitation	36.4 mm (1.4 in)	36 of 100 (Notable)
Lake Cargelligo (Wooyeo)	Australia	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Freiburg	Germany	Record high maximum temperature	25.5 C (77.9 F)	36 of 100 (Notable)
Binalong Post Office	Australia	Record daily precipitation	36.0 mm (1.4 in)	35 of 100 (Notable)
Uriarra Forest	Australia	Record daily precipitation	34.4 mm (1.4 in)	34 of 100 (Routine)
Murrumburrah Old Post Office	Australia	Record daily precipitation	31.6 mm (1.2 in)	34 of 100 (Routine)
Dandaloo (Skye)	Australia	Record daily precipitation	26.6 mm (1.0 in)	33 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record high maximum temperature	25.7 C (78.3 F)	33 of 100 (Routine)
Aachen	Germany	Record high maximum temperature	26.5 C (79.7 F)	33 of 100 (Routine)
Tharwa General Store	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Bowning (Wanganui)	Australia	Record daily precipitation	35.0 mm (1.4 in)	32 of 100 (Routine)
Bjelasnica	Bosnia and Herzegovina	Record high maximum temperature	16.5 C (61.7 F)	32 of 100 (Routine)
Eelde	Netherlands	Record high maximum temperature	25.1 C (77.2 F)	32 of 100 (Routine)
Peak Hill Post Office	Australia	Record daily precipitation	29.8 mm (1.2 in)	31 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	18.0 C (64.4 F)	31 of 100 (Routine)
Wrixum/Fohr	Germany	Record high maximum temperature	22.5 C (72.5 F)	31 of 100 (Routine)
Weissenburg	Germany	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	7.0 C (44.6 F)	31 of 100 (Routine)
Glen Royal	Australia	Record daily precipitation	30.0 mm (1.2 in)	30 of 100 (Routine)
Euabalong (Booberoi)	Australia	Record daily precipitation	41.6 mm (1.6 in)	30 of 100 (Routine)
Nymagee (Kenmure Station)	Australia	Record daily precipitation	27.4 mm (1.1 in)	30 of 100 (Routine)
Wallendbeen (Corang)	Australia	Record daily precipitation	37.6 mm (1.5 in)	30 of 100 (Routine)
Utsira Fyr	Norway	Record daily precipitation	36.8 mm (1.4 in)	30 of 100 (Routine)
Kingstree	United States	Record low maximum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
White Cliffs (Monolon)	Australia	Record daily precipitation	29.6 mm (1.2 in)	29 of 100 (Routine)
Bethungra (Retreat)	Australia	Record daily precipitation	41.0 mm (1.6 in)	29 of 100 (Routine)
Marnitz	Germany	Record high maximum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Glenwood Spgs #2	United States	Record low minimum temperature	-3.9 C (25.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

686 records

Records set or tied on 30 September 1975 by type: Highest daily maximum 162, Lowest daily maximum 16, Highest daily minimum 74, Lowest daily minimum 46, Heaviest daily rainfall 387, Heaviest daily snowfall 1.

Records on 30 September 1975 by type
Record type	Records
Highest daily maximum	162
Lowest daily maximum	16
Highest daily minimum	74
Lowest daily minimum	46
Heaviest daily rainfall	387
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 30 September 1975 by timescale: all-time 0, monthly 6, daily 680.

How Much Records Were Beaten By

625 broken records

Margins by which the 625 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.3. Ties are not counted.

Top 20 by Significance

30 September 1975

Top 20 records on 30 September 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1975	Wombat (Tumbleton), AU	daily rain	43.6 mm (1.7 in)	25.8 mm (1.0 in)	84 years	65 of 100 (Major)
30 September 1975	Barmedman Post Office, AU	daily rain	52.2 mm (2.1 in)	32.4 mm (1.3 in)	45 years	61 of 100 (Major)
30 September 1975	West Wyalong (Tallimbalong), AU	daily rain	44.4 mm (1.7 in)	20.5 mm (0.8 in)	61 years	59 of 100 (Notable)
30 September 1975	Tullibigeal Post Office, AU	daily rain	38.2 mm (1.5 in)	25.2 mm (1.0 in)	41 years	56 of 100 (Notable)
30 September 1975	Euabalong (Lachlan St), AU	daily rain	39.4 mm (1.6 in)	21.1 mm (0.8 in)	58 years	55 of 100 (Notable)
30 September 1975	Ungarie Post Office, AU	daily rain	32.6 mm (1.3 in)	17.1 mm (0.7 in)	48 years	49 of 100 (Notable)
30 September 1975	Frogmore, AU	daily rain	29.2 mm (1.1 in)	19.0 mm (0.7 in)	58 years	48 of 100 (Notable)
30 September 1975	Yass (Linton Hostel), AU	daily rain	30.0 mm (1.2 in)	16.8 mm (0.7 in)	48 years	46 of 100 (Notable)
30 September 1975	Stockinbingal General Store, AU	daily rain	41.5 mm (1.6 in)	28.8 mm (1.1 in)	8 years	45 of 100 (Notable)
30 September 1975	Temora Ambulance Station, AU	daily rain	42.0 mm (1.7 in)	17.9 mm (0.7 in)	45 years	45 of 100 (Notable)
30 September 1975	Santiago de Compostela/Labacol, ES	daily rain	85.4 mm (3.4 in)	54.3 mm (2.1 in)	8 years	45 of 100 (Notable)
30 September 1975	Julesburg, US	daily rain	43.2 mm (1.7 in)	25.4 mm (1.0 in)	29 years	45 of 100 (Notable)
30 September 1975	Bigga (Woolbrook), AU	daily rain	42.6 mm (1.7 in)	21.0 mm (0.8 in)	40 years	44 of 100 (Notable)
30 September 1975	Cootamundra Post Office, AU	daily rain	40.8 mm (1.6 in)	16.7 mm (0.7 in)	45 years	44 of 100 (Notable)
30 September 1975	Bungarby (Merambego), AU	daily rain	31.0 mm (1.2 in)	17.0 mm (0.7 in)	34 years	43 of 100 (Notable)
30 September 1975	Young Post Office, AU	daily rain	47.0 mm (1.9 in)	22.9 mm (0.9 in)	6 years	43 of 100 (Notable)
30 September 1975	Blina, AU	daily rain	28.0 mm (1.1 in)	28.0 mm (1.1 in)	36 years	42 of 100 (Notable)
30 September 1975	Mount Ryde, AU	daily rain	26.6 mm (1.0 in)	24.1 mm (0.9 in)	41 years	42 of 100 (Notable)
30 September 1975	Kangiara (Laverstock), AU	daily rain	34.0 mm (1.3 in)	17.7 mm (0.7 in)	40 years	42 of 100 (Notable)
30 September 1975	Wyalong Post Office, AU	daily rain	33.0 mm (1.3 in)	12.9 mm (0.5 in)	48 years	42 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

1806 to 1975

Records set or tied on this calendar date in each year from 1806 to 1975. 1975 had 686 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	529

Download the Data

Data for records on 1975-09-30: 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	536
10 to 20	67
20 to 30	19
30 to 40	2
40 to 50	0
50 to 60	1