Weather Records on 11 September 1919

52 weather records were set or tied worldwide on 11 September 1919. Highest significance: Jena Sternwarte, DE.

Key Facts for 11 September 1919

On 11 September 1919, 52 weather records were set or tied at long-record stations worldwide.
38 were record highs and 2 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 49 daily.
Jena Sternwarte set a daily record high maximum temperature of 33.2 C (91.8 F) on 11 September 1919.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 426 records.

Record Map

52 stations

52 station records on 11 September 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1919: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jena Sternwarte	Germany	Record high maximum temperature	33.2 C (91.8 F)	48 of 100 (Notable)
Berlin-Dahlem	Germany	Record high maximum temperature	33.1 C (91.6 F)	29 of 100 (Routine)
Armagh	United Kingdom	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Little Rock St Capitol	United States	Record high minimum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Uccle	Belgium	Record high minimum temperature	16.7 C (62.1 F)	26 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	30.5 C (86.9 F)	26 of 100 (Routine)
Tranebjerg	Denmark	Record high maximum temperature	24.0 C (75.2 F)	25 of 100 (Routine)
Magdeburg	Germany	Record high maximum temperature	34.7 C (94.5 F)	22 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	16.2 C (61.2 F)	22 of 100 (Routine)
Plauen	Germany	Record high maximum temperature	30.7 C (87.3 F)	22 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record low minimum temperature	6.6 C (43.9 F)	21 of 100 (Routine)
Waren	Germany	Record high maximum temperature	31.1 C (88.0 F)	21 of 100 (Routine)
Vastervik	Sweden	Record high maximum temperature	24.5 C (76.1 F)	21 of 100 (Routine)
Darwin Post Office	Australia	Record low minimum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	31.9 C (89.4 F)	19 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	31.8 C (89.2 F)	18 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	30.9 C (87.6 F)	18 of 100 (Routine)
Gravenhurst	Canada	Record daily precipitation	12.7 mm (0.5 in)	17 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high maximum temperature	26.0 C (78.8 F)	17 of 100 (Routine)
Lake Cochituate	United States	Record daily precipitation	45.0 mm (1.8 in)	17 of 100 (Routine)
Vineland	United States	Record daily precipitation	29.5 mm (1.2 in)	17 of 100 (Routine)
Brome	Canada	Record daily precipitation	19.1 mm (0.8 in)	16 of 100 (Routine)
Cottbus	Germany	Record high maximum temperature	32.8 C (91.0 F)	16 of 100 (Routine)
Waren	Germany	Record high minimum temperature	14.4 C (57.9 F)	16 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	35.1 mm (1.4 in)	16 of 100 (Routine)
Mount Barker	Australia	Record daily precipitation	14.5 mm (0.6 in)	15 of 100 (Routine)
Astoria	United States	Record daily precipitation	23.9 mm (0.9 in)	15 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	13.9 C (57.0 F)	14 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high maximum temperature	29.9 C (85.8 F)	14 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	12.0 C (53.6 F)	14 of 100 (Routine)
Fort Chipewyan	Canada	Record high minimum temperature	12.2 C (54.0 F)	13 of 100 (Routine)
Orenburg	Russia	Record daily precipitation	4.3 mm (0.17 in)	13 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	9.6 C (49.3 F)	12 of 100 (Routine)
Qu'appelle	Canada	Record high maximum temperature	27.2 C (81.0 F)	11 of 100 (Routine)
Bamberg	Germany	Record high maximum temperature	30.0 C (86.0 F)	11 of 100 (Routine)
Nurnberg	Germany	Record high maximum temperature	29.1 C (84.4 F)	11 of 100 (Routine)
Weissenburg	Germany	Record high maximum temperature	28.3 C (82.9 F)	11 of 100 (Routine)
Santa Fe	United States	Record high minimum temperature	15.0 C (59.0 F)	11 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record high minimum temperature	12.0 C (53.6 F)	10 of 100 (Routine)
Vryburg (Pol)	South Africa	Record daily precipitation	6.4 mm (0.25 in)	8 of 100 (Routine)
Stockholm	Sweden	Record high maximum temperature	22.5 C (72.5 F)	7 of 100 (Routine)
Morpeth Post Office	Australia	Record daily precipitation	12.7 mm (0.5 in)	6 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	26.9 C (80.4 F)	6 of 100 (Routine)
Bic	Canada	Record daily precipitation	15.2 mm (0.6 in)	6 of 100 (Routine)
Wrixum/Fohr	Germany	Record high minimum temperature	15.5 C (59.9 F)	6 of 100 (Routine)
Medicine Hat A	Canada	Record high maximum temperature	32.2 C (90.0 F)	5 of 100 (Routine)
Swift Current	Canada	Record high maximum temperature	30.0 C (86.0 F)	3 of 100 (Routine)
Halmstad	Sweden	Record high minimum temperature	13.5 C (56.3 F)	3 of 100 (Routine)
Jacksonville Wb City	United States	Record high minimum temperature	24.4 C (75.9 F)	3 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	12.0 C (53.6 F)	2 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	23.5 C (74.3 F)	1 of 100 (Routine)
Winnemucca AP	United States	Record high minimum temperature	11.1 C (52.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

52 records

Records set or tied on 11 September 1919 by type: Highest daily maximum 23, Highest daily minimum 15, Lowest daily minimum 2, Heaviest daily rainfall 12.

Records on 11 September 1919 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	0
Highest daily minimum	15
Lowest daily minimum	2
Heaviest daily rainfall	12
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 September 1919 by timescale: all-time 0, monthly 3, daily 49.

How Much Records Were Beaten By

47 broken records

Margins by which the 47 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.3. Ties are not counted.

Top 20 by Significance

11 September 1919

Top 20 records on 11 September 1919 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1919	Jena Sternwarte, DE	daily high max	33.2 C (91.8 F)	5.6 C (10.1 F)	91 years	48 of 100 (Notable)
11 September 1919	Berlin-Dahlem, DE	daily high max	33.1 C (91.6 F)	7.0 C (12.6 F)	23 years	29 of 100 (Routine)
11 September 1919	Armagh, GB	daily rain	29.2 mm (1.1 in)	5.1 mm (0.20 in)	38 years	28 of 100 (Routine)
11 September 1919	Little Rock St Capitol, US	monthly high min	25.6 C (78.1 F)	1.2 C (2.2 F)	38 years	28 of 100 (Routine)
11 September 1919	Uccle, BE	daily high min	16.7 C (62.1 F)	0.7 C (1.3 F)	53 years	26 of 100 (Routine)
11 September 1919	Karlsruhe, DE	daily high max	30.5 C (86.9 F)	4.5 C (8.1 F)	38 years	26 of 100 (Routine)
11 September 1919	Tranebjerg, DK	daily high max	24.0 C (75.2 F)	2.1 C (3.8 F)	43 years	25 of 100 (Routine)
11 September 1919	Magdeburg, DE	daily high max	34.7 C (94.5 F)	7.7 C (13.9 F)	4 years	22 of 100 (Routine)
11 September 1919	Altastenberg, DE	daily high min	16.2 C (61.2 F)	4.5 C (8.1 F)	20 years	22 of 100 (Routine)
11 September 1919	Plauen, DE	daily high max	30.7 C (87.3 F)	4.7 C (8.5 F)	32 years	22 of 100 (Routine)
11 September 1919	Sydney (Observatory Hill), AU	daily low min	6.6 C (43.9 F)	0.2 C (0.4 F)	52 years	21 of 100 (Routine)
11 September 1919	Waren, DE	daily high max	31.1 C (88.0 F)	6.4 C (11.5 F)	4 years	21 of 100 (Routine)
11 September 1919	Vastervik, SE	daily high max	24.5 C (76.1 F)	2.5 C (4.5 F)	34 years	21 of 100 (Routine)
11 September 1919	Darwin Post Office, AU	daily low min	18.3 C (64.9 F)	2.4 C (4.3 F)	5 years	19 of 100 (Routine)
11 September 1919	Arnsberg, DE	monthly high max	31.9 C (89.4 F)	1.4 C (2.5 F)	8 years	19 of 100 (Routine)
11 September 1919	Uccle, BE	daily high max	31.8 C (89.2 F)	3.0 C (5.4 F)	8 years	18 of 100 (Routine)
11 September 1919	Kirchdorf/Poel, DE	monthly high max	30.9 C (87.6 F)	0.7 C (1.3 F)	13 years	18 of 100 (Routine)
11 September 1919	Gravenhurst, CA	daily rain	12.7 mm (0.5 in)	2.0 mm (0.08 in)	37 years	17 of 100 (Routine)
11 September 1919	Koebenhavn: Landbohojskolen-1, DK	daily high max	26.0 C (78.8 F)	0.2 C (0.4 F)	43 years	17 of 100 (Routine)
11 September 1919	Lake Cochituate, US	daily rain	45.0 mm (1.8 in)	15.3 mm (0.6 in)	23 years	17 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

1809 to 1919

Records set or tied on this calendar date in each year from 1809 to 1919. 1919 had 52 records.

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

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 1919-09-11: 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 2	26
2 to 4	7
4 to 6	6
6 to 8	3
8 to 10	1
10 to 12	2
12 to 14	1
14 to 16	1