Weather Records on 1 September 1930

264 weather records were set or tied worldwide on 1 September 1930. Highest significance: Madison Wb City, US.

Key Facts for 1 September 1930

On 1 September 1930, 264 weather records were set or tied at long-record stations worldwide.
125 were record highs and 58 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 246 daily.
Madison Wb City set a daily record precipitation of 54.9 mm (2.2 in) on 1 September 1930.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 442 records.

Record Map

264 stations

264 station records on 1 September 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Madison Wb City	United States	Record daily precipitation	54.9 mm (2.2 in)	41 of 100 (Notable)
Saskatoon Diefenbaker Int'l A	Canada	Record low minimum temperature	-10.0 C (14.0 F)	36 of 100 (Notable)
Lucknow	Canada	Record high minimum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Cheneyville 1 NE	United States	Record daily precipitation	77.5 mm (3.1 in)	31 of 100 (Routine)
Bird Rocks	Canada	Record high minimum temperature	18.3 C (64.9 F)	30 of 100 (Routine)
Great Falls	United States	Record high maximum temperature	38.3 C (100.9 F)	26 of 100 (Routine)
Haskell	United States	Record high minimum temperature	26.7 C (80.1 F)	26 of 100 (Routine)
Hinton 1	United States	Record high maximum temperature	37.8 C (100.0 F)	25 of 100 (Routine)
Ovando	United States	Record low minimum temperature	-7.2 C (19.0 F)	22 of 100 (Routine)
Washington	United States	Record high maximum temperature	36.7 C (98.1 F)	22 of 100 (Routine)
Marion	United States	Record daily precipitation	26.9 mm (1.1 in)	21 of 100 (Routine)
Heywood Post Office	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Balmoral (Post Office)	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Port Campbell Post Office	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Edenhope (Post Office)	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Sheringa (Lake Hamilton)	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Willaura (Yarram Park)	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Penola Post Office	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Beaufort (Stoneleigh)	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Wickliffe	Australia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Port Fairy Post Office	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Warthausen-Birkenhard	Germany	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Cape Borda Comparison	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Engcobo (Tnk)	South Africa	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Grand River Lock	United States	Record daily precipitation	47.0 mm (1.9 in)	20 of 100 (Routine)
Hillsboro	United States	Record daily precipitation	48.3 mm (1.9 in)	20 of 100 (Routine)
Fallston	United States	Record high maximum temperature	35.6 C (96.1 F)	19 of 100 (Routine)
Two Harbors	United States	Record daily precipitation	40.6 mm (1.6 in)	19 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record low minimum temperature	-2.2 C (28.0 F)	19 of 100 (Routine)
Brookings 2 NE	United States	Record daily precipitation	21.1 mm (0.8 in)	19 of 100 (Routine)
Burkes Garden	United States	Record high maximum temperature	32.2 C (90.0 F)	19 of 100 (Routine)
Fergana	Uzbekistan	Record daily precipitation	0.4 mm (0.02 in)	19 of 100 (Routine)
Berrybank	Australia	Record daily precipitation	9.7 mm (0.38 in)	18 of 100 (Routine)
Linton Post Office	Australia	Record daily precipitation	13.7 mm (0.5 in)	18 of 100 (Routine)
Warrnambool Shire Office	Australia	Record daily precipitation	19.8 mm (0.8 in)	18 of 100 (Routine)
Grenfell	Canada	Record low minimum temperature	-2.2 C (28.0 F)	18 of 100 (Routine)
Sydney	Canada	Record high maximum temperature	30.0 C (86.0 F)	18 of 100 (Routine)
Frederick Police Brks	United States	Record high maximum temperature	38.9 C (102.0 F)	18 of 100 (Routine)
Jackson 4 NW	United States	Record daily precipitation	47.0 mm (1.9 in)	18 of 100 (Routine)
Helena Wb City	United States	Record low minimum temperature	0.6 C (33.1 F)	18 of 100 (Routine)
Apsley	Australia	Record daily precipitation	17.0 mm (0.7 in)	17 of 100 (Routine)
Allansford	Australia	Record daily precipitation	15.0 mm (0.6 in)	17 of 100 (Routine)
Johanna Glen	Australia	Record daily precipitation	17.0 mm (0.7 in)	17 of 100 (Routine)
Nullawarre	Australia	Record daily precipitation	18.3 mm (0.7 in)	17 of 100 (Routine)
Carapook (the Gums)	Australia	Record daily precipitation	16.3 mm (0.6 in)	17 of 100 (Routine)
Battleford	Canada	Record low minimum temperature	-3.3 C (26.1 F)	17 of 100 (Routine)
Savanne	Canada	Record high minimum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Charlottetown	Canada	Record high maximum temperature	28.9 C (84.0 F)	17 of 100 (Routine)
Santa Cruz	United States	Record low maximum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Melville	United States	Record daily precipitation	39.1 mm (1.5 in)	17 of 100 (Routine)
Takoma Park # 1	United States	Record high maximum temperature	35.0 C (95.0 F)	17 of 100 (Routine)
Woodstock	United States	Record high maximum temperature	37.8 C (100.0 F)	17 of 100 (Routine)
Hartington	United States	Record daily precipitation	30.5 mm (1.2 in)	17 of 100 (Routine)
Astoria	United States	Record high minimum temperature	15.6 C (60.1 F)	17 of 100 (Routine)
Wilbur	United States	Record high maximum temperature	36.1 C (97.0 F)	17 of 100 (Routine)
Lost Creek Near	United States	Record high maximum temperature	35.6 C (96.1 F)	17 of 100 (Routine)
Victor Harbor Comparison	Australia	Record daily precipitation	12.2 mm (0.5 in)	16 of 100 (Routine)
Enfield	Australia	Record daily precipitation	11.9 mm (0.5 in)	16 of 100 (Routine)
Swift Current	Canada	Record low minimum temperature	-1.1 C (30.0 F)	16 of 100 (Routine)
Norway House	Canada	Record low minimum temperature	2.2 C (36.0 F)	16 of 100 (Routine)

Counts by Type and Timescale

264 records

Records set or tied on 1 September 1930 by type: Highest daily maximum 71, Lowest daily maximum 15, Highest daily minimum 54, Lowest daily minimum 43, Heaviest daily rainfall 81.

Records on 1 September 1930 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	15
Highest daily minimum	54
Lowest daily minimum	43
Heaviest daily rainfall	81
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 1930 by timescale: all-time 0, monthly 18, daily 246.

How Much Records Were Beaten By

200 broken records

Margins by which the 200 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.4. Ties are not counted.

Top 20 by Significance

1 September 1930

Top 20 records on 1 September 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 1930	Madison Wb City, US	daily rain	54.9 mm (2.2 in)	36.9 mm (1.5 in)	25 years	41 of 100 (Notable)
1 September 1930	Saskatoon Diefenbaker Int'l A, CA	daily low min	-10.0 C (14.0 F)	11.7 C (21.1 F)	23 years	36 of 100 (Notable)
1 September 1930	Lucknow, CA	monthly high min	23.9 C (75.0 F)	2.8 C (5.0 F)	43 years	32 of 100 (Routine)
1 September 1930	Cheneyville 1 NE, US	daily rain	77.5 mm (3.1 in)	56.4 mm (2.2 in)	8 years	31 of 100 (Routine)
1 September 1930	Bird Rocks, CA	monthly high min	18.3 C (64.9 F)	1.1 C (2.0 F)	40 years	30 of 100 (Routine)
1 September 1930	Great Falls, US	monthly high max	38.3 C (100.9 F)	2.2 C (4.0 F)	29 years	26 of 100 (Routine)
1 September 1930	Haskell, US	monthly high min	26.7 C (80.1 F)	1.1 C (2.0 F)	36 years	26 of 100 (Routine)
1 September 1930	Hinton 1, US	monthly high max	37.8 C (100.0 F)	1.7 C (3.1 F)	30 years	25 of 100 (Routine)
1 September 1930	Ovando, US	daily low min	-7.2 C (19.0 F)	4.4 C (7.9 F)	30 years	22 of 100 (Routine)
1 September 1930	Washington, US	daily high max	36.7 C (98.1 F)	2.3 C (4.1 F)	31 years	22 of 100 (Routine)
1 September 1930	Marion, US	daily rain	26.9 mm (1.1 in)	10.9 mm (0.4 in)	32 years	21 of 100 (Routine)
1 September 1930	Heywood Post Office, AU	daily rain	20.3 mm (0.8 in)	12.9 mm (0.5 in)	42 years	20 of 100 (Routine)
1 September 1930	Balmoral (Post Office), AU	daily rain	21.3 mm (0.8 in)	11.4 mm (0.4 in)	28 years	20 of 100 (Routine)
1 September 1930	Port Campbell Post Office, AU	daily rain	21.3 mm (0.8 in)	7.3 mm (0.29 in)	43 years	20 of 100 (Routine)
1 September 1930	Edenhope (Post Office), AU	daily rain	21.1 mm (0.8 in)	8.4 mm (0.33 in)	27 years	20 of 100 (Routine)
1 September 1930	Sheringa (Lake Hamilton), AU	daily rain	15.7 mm (0.6 in)	5.5 mm (0.22 in)	21 years	20 of 100 (Routine)
1 September 1930	Willaura (Yarram Park), AU	daily rain	17.3 mm (0.7 in)	7.6 mm (0.30 in)	27 years	20 of 100 (Routine)
1 September 1930	Penola Post Office, AU	daily rain	20.1 mm (0.8 in)	3.6 mm (0.14 in)	39 years	20 of 100 (Routine)
1 September 1930	Beaufort (Stoneleigh), AU	daily rain	14.0 mm (0.6 in)	5.4 mm (0.21 in)	31 years	20 of 100 (Routine)
1 September 1930	Wickliffe, AU	daily rain	11.2 mm (0.4 in)	4.6 mm (0.18 in)	32 years	20 of 100 (Routine)

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 1930

Records set or tied on this calendar date in each year from 1797 to 1930. 1930 had 264 records.

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

Records on 09-01 in each year
Year	Records
1797	1
1806	1
1819	1
1827	1
1831	1
1838	1
1851	1
1853	1
1854	1
1857	1
1858	1
1859	1
1860	2
1861	1
1865	1
1866	1
1867	2
1869	3
1871	1
1873	1
1876	2
1877	2
1878	3
1879	2
1881	5
1883	1
1886	3
1887	3
1888	2
1890	2
1892	2
1894	3
1897	4
1898	10
1899	3
1900	2
1901	14
1902	5
1903	16
1904	9
1905	6
1906	26
1907	14
1908	26
1909	34
1910	22
1911	16
1912	47
1913	32
1914	23
1915	46
1916	16
1917	24
1918	31
1919	19
1920	31
1921	46
1922	67
1923	75
1924	210
1925	127
1926	182
1927	136
1928	166
1929	324
1930	264
1931	233
1932	550
1933	622
1934	654
1935	584
1936	385
1937	502
1938	373
1939	303
1940	333
1941	497
1942	532
1943	578
1944	377
1945	497
1946	642
1947	555
1948	460
1949	1,102
1950	849
1951	668
1952	644
1953	937
1954	407
1955	413
1956	504
1957	320
1958	427
1959	519
1960	408
1961	531
1962	368
1963	416
1964	621
1965	657
1966	596
1967	1,263
1968	604
1969	493
1970	502
1971	464
1972	518
1973	874
1974	895
1975	939
1976	627
1977	500
1978	809
1979	459
1980	671
1981	649
1982	642
1983	1,167
1984	619
1985	901
1986	964
1987	909
1988	651
1989	823
1990	749
1991	687
1992	1,010
1993	1,122
1994	1,291
1995	1,165
1996	823
1997	1,161
1998	1,159
1999	925
2000	1,613
2001	904
2002	778
2003	1,254
2004	827
2005	901
2006	1,157
2007	976
2008	1,204
2009	1,003
2010	1,313
2011	1,071
2012	874
2013	775
2014	515
2015	661
2016	522
2017	686
2018	399
2019	800
2020	689
2021	751
2022	1,016
2023	720
2024	938
2025	359
2026	521

Download the Data

Data for records on 1930-09-01: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	184
10 to 20	11
20 to 30	3
30 to 40	1
40 to 50	0
50 to 60	1