Weather Records on 12 September 1919

69 weather records were set or tied worldwide on 12 September 1919. Highest significance: Uccle, BE.

Key Facts for 12 September 1919

On 12 September 1919, 69 weather records were set or tied at long-record stations worldwide.
38 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 66 daily.
Uccle set a daily record high minimum temperature of 17.9 C (64.2 F) on 12 September 1919.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 415 records.

Record Map

69 stations

69 station records on 12 September 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1919: highest significance records shown on the map
Station	Country	Type	Value	Significance
Uccle	Belgium	Record high minimum temperature	17.9 C (64.2 F)	36 of 100 (Notable)
Hanover	United States	Record daily precipitation	45.2 mm (1.8 in)	32 of 100 (Routine)
Magdeburg	Germany	Record high maximum temperature	34.6 C (94.3 F)	30 of 100 (Routine)
Cornwall	United States	Record daily precipitation	35.6 mm (1.4 in)	30 of 100 (Routine)
Waren	Germany	Record high maximum temperature	32.4 C (90.3 F)	27 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	25.5 C (77.9 F)	26 of 100 (Routine)
Jena Sternwarte	Germany	Record high maximum temperature	33.2 C (91.8 F)	23 of 100 (Routine)
Cottbus	Germany	Record high maximum temperature	33.1 C (91.6 F)	23 of 100 (Routine)
Waren	Germany	Record high minimum temperature	15.9 C (60.6 F)	23 of 100 (Routine)
Clinton	United States	Record daily precipitation	39.4 mm (1.6 in)	23 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high minimum temperature	16.0 C (60.8 F)	22 of 100 (Routine)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
St John's	Canada	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record daily precipitation	13.0 mm (0.5 in)	19 of 100 (Routine)
Visby_Flygplats	Sweden	Record high minimum temperature	14.5 C (58.1 F)	18 of 100 (Routine)
Casterton (Nangeela)	Australia	Record daily precipitation	11.4 mm (0.4 in)	17 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	29.0 C (84.2 F)	17 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	30.9 C (87.6 F)	17 of 100 (Routine)
Woodstock West	Australia	Record daily precipitation	16.8 mm (0.7 in)	16 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high maximum temperature	24.7 C (76.5 F)	16 of 100 (Routine)
Storrs	United States	Record daily precipitation	20.3 mm (0.8 in)	16 of 100 (Routine)
Sandvig	Denmark	Record high maximum temperature	21.0 C (69.8 F)	15 of 100 (Routine)
Hohenpeissenberg	Germany	Record high minimum temperature	17.7 C (63.9 F)	15 of 100 (Routine)
Magdeburg	Germany	Record high minimum temperature	14.8 C (58.6 F)	15 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	31.6 C (88.9 F)	15 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high maximum temperature	30.3 C (86.5 F)	15 of 100 (Routine)
Plauen	Germany	Record high maximum temperature	30.0 C (86.0 F)	15 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	32.5 C (90.5 F)	14 of 100 (Routine)
Port Campbell Post Office	Australia	Record daily precipitation	11.4 mm (0.4 in)	13 of 100 (Routine)
Salzburg	Austria	Record high maximum temperature	29.0 C (84.2 F)	13 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	12.8 C (55.0 F)	13 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high maximum temperature	28.5 C (83.3 F)	13 of 100 (Routine)
Second Valley (Spring Grove)	Australia	Record daily precipitation	12.2 mm (0.5 in)	12 of 100 (Routine)
Wickliffe	Australia	Record daily precipitation	9.1 mm (0.36 in)	12 of 100 (Routine)
Dunkeld	Australia	Record daily precipitation	8.4 mm (0.33 in)	12 of 100 (Routine)
Port Fairy (Griffiths Island)	Australia	Record daily precipitation	6.6 mm (0.26 in)	12 of 100 (Routine)
Weissenburg	Germany	Record high maximum temperature	28.2 C (82.8 F)	12 of 100 (Routine)
Tomsk	Russia	Record daily precipitation	9.0 mm (0.35 in)	12 of 100 (Routine)
Pomonal Windy Ridge	Australia	Record daily precipitation	6.6 mm (0.26 in)	11 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	28.7 C (83.7 F)	11 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	9.6 C (49.3 F)	11 of 100 (Routine)
Northfield	United States	Record daily precipitation	28.4 mm (1.1 in)	11 of 100 (Routine)
St Arnaud (Coonooer Bridge)	Australia	Record daily precipitation	3.8 mm (0.15 in)	10 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	29.8 C (85.6 F)	10 of 100 (Routine)
Nurnberg	Germany	Record high maximum temperature	28.0 C (82.4 F)	10 of 100 (Routine)
Wrixum/Fohr	Germany	Record high maximum temperature	25.5 C (77.9 F)	10 of 100 (Routine)
Darwin Post Office	Australia	Record low minimum temperature	20.6 C (69.1 F)	9 of 100 (Routine)
Balmoral (Post Office)	Australia	Record daily precipitation	7.6 mm (0.30 in)	9 of 100 (Routine)
Coleraine (Tulse Hill)	Australia	Record daily precipitation	13.2 mm (0.5 in)	9 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	11.7 C (53.1 F)	9 of 100 (Routine)
Morden	Canada	Record daily precipitation	17.8 mm (0.7 in)	9 of 100 (Routine)
Fredericton Unb	Canada	Record daily precipitation	29.7 mm (1.2 in)	9 of 100 (Routine)
Armagh	United Kingdom	Record low maximum temperature	10.8 C (51.4 F)	9 of 100 (Routine)
Portland	United States	Record daily precipitation	30.2 mm (1.2 in)	9 of 100 (Routine)
Edmonton	Canada	Record high minimum temperature	11.1 C (52.0 F)	8 of 100 (Routine)
Battleford	Canada	Record high minimum temperature	11.1 C (52.0 F)	8 of 100 (Routine)
Vastervik	Sweden	Record high maximum temperature	24.5 C (76.1 F)	8 of 100 (Routine)
Hohenpeissenberg	Germany	Record high maximum temperature	23.2 C (73.8 F)	7 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high maximum temperature	23.2 C (73.8 F)	6 of 100 (Routine)

Counts by Type and Timescale

69 records

Records set or tied on 12 September 1919 by type: Highest daily maximum 25, Lowest daily maximum 3, Highest daily minimum 13, Lowest daily minimum 1, Heaviest daily rainfall 27.

Records on 12 September 1919 by type
Record type	Records
Highest daily maximum	25
Lowest daily maximum	3
Highest daily minimum	13
Lowest daily minimum	1
Heaviest daily rainfall	27
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1919 by timescale: all-time 0, monthly 3, daily 66.

How Much Records Were Beaten By

61 broken records

Margins by which the 61 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 24.2. Ties are not counted.

Top 20 by Significance

12 September 1919

Top 20 records on 12 September 1919 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1919	Uccle, BE	daily high min	17.9 C (64.2 F)	1.6 C (2.9 F)	79 years	36 of 100 (Notable)
12 September 1919	Hanover, US	daily rain	45.2 mm (1.8 in)	24.1 mm (0.9 in)	22 years	32 of 100 (Routine)
12 September 1919	Magdeburg, DE	daily high max	34.6 C (94.3 F)	7.9 C (14.2 F)	32 years	30 of 100 (Routine)
12 September 1919	Cornwall, US	daily rain	35.6 mm (1.4 in)	24.2 mm (1.0 in)	17 years	30 of 100 (Routine)
12 September 1919	Waren, DE	daily high max	32.4 C (90.3 F)	8.1 C (14.6 F)	8 years	27 of 100 (Routine)
12 September 1919	Kristianstad, SE	daily high max	25.5 C (77.9 F)	4.0 C (7.2 F)	32 years	26 of 100 (Routine)
12 September 1919	Jena Sternwarte, DE	daily high max	33.2 C (91.8 F)	3.9 C (7.0 F)	20 years	23 of 100 (Routine)
12 September 1919	Cottbus, DE	daily high max	33.1 C (91.6 F)	6.0 C (10.8 F)	20 years	23 of 100 (Routine)
12 September 1919	Waren, DE	daily high min	15.9 C (60.6 F)	3.5 C (6.3 F)	26 years	23 of 100 (Routine)
12 September 1919	Clinton, US	daily rain	39.4 mm (1.6 in)	19.1 mm (0.8 in)	22 years	23 of 100 (Routine)
12 September 1919	Altastenberg, DE	daily high min	16.7 C (62.1 F)	3.8 C (6.8 F)	27 years	22 of 100 (Routine)
12 September 1919	Kirchdorf/Poel, DE	daily high min	16.0 C (60.8 F)	3.2 C (5.8 F)	23 years	22 of 100 (Routine)
12 September 1919	Wilsons Promontory Lighthouse, AU	daily rain	24.1 mm (0.9 in)	6.6 mm (0.26 in)	38 years	20 of 100 (Routine)
12 September 1919	St John's, CA	daily rain	20.3 mm (0.8 in)	9.6 mm (0.38 in)	36 years	20 of 100 (Routine)
12 September 1919	Cape Otway Lighthouse, AU	daily rain	13.0 mm (0.5 in)	1.3 mm (0.05 in)	41 years	19 of 100 (Routine)
12 September 1919	Visby_Flygplats, SE	daily high min	14.5 C (58.1 F)	1.5 C (2.7 F)	34 years	18 of 100 (Routine)
12 September 1919	Casterton (Nangeela), AU	daily rain	11.4 mm (0.4 in)	4.0 mm (0.16 in)	24 years	17 of 100 (Routine)
12 September 1919	Altastenberg, DE	monthly high max	29.0 C (84.2 F)	1.0 C (1.8 F)	8 years	17 of 100 (Routine)
12 September 1919	Arnsberg, DE	daily high max	30.9 C (87.6 F)	4.4 C (7.9 F)	8 years	17 of 100 (Routine)
12 September 1919	Woodstock West, AU	daily rain	16.8 mm (0.7 in)	5.6 mm (0.22 in)	18 years	16 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

1793 to 1919

Records set or tied on this calendar date in each year from 1793 to 1919. 1919 had 69 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1919-09-12: 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 5	50
5 to 10	8
10 to 15	0
15 to 20	1
20 to 25	2