Weather Records on 12 September 1921

60 weather records were set or tied worldwide on 12 September 1921. Highest significance: Charleville Post Office, AU.

Key Facts for 12 September 1921

On 12 September 1921, 60 weather records were set or tied at long-record stations worldwide.
12 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 60 daily.
Charleville Post Office set a daily record precipitation of 37.6 mm (1.5 in) on 12 September 1921.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 415 records.

Record Map

60 stations

60 station records on 12 September 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Charleville Post Office	Australia	Record daily precipitation	37.6 mm (1.5 in)	50 of 100 (Notable)
Mount Elliot Tank	Australia	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Przhevalsk	Kyrgyzstan	Record daily precipitation	28.4 mm (1.1 in)	41 of 100 (Notable)
St George Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	24 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	18.3 C (64.9 F)	21 of 100 (Routine)
Charlotte Plains	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Cunnamulla Post Office	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Beechal	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Wittenberg	Germany	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Morven Post Office	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Thargomindah Post Office	Australia	Record daily precipitation	4.3 mm (0.17 in)	20 of 100 (Routine)
Kingston Queens U	Canada	Record high minimum temperature	20.6 C (69.1 F)	20 of 100 (Routine)
Tartu	Estonia	Record daily precipitation	13.2 mm (0.5 in)	19 of 100 (Routine)
Stradbroke Post Office	Australia	Record daily precipitation	13.0 mm (0.5 in)	18 of 100 (Routine)
Metten	Germany	Record daily precipitation	26.0 mm (1.0 in)	18 of 100 (Routine)
Boulia Airport	Australia	Record daily precipitation	10.7 mm (0.4 in)	17 of 100 (Routine)
Gunnee	Australia	Record daily precipitation	15.2 mm (0.6 in)	17 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	11.0 C (51.8 F)	17 of 100 (Routine)
Bollon Mary St	Australia	Record daily precipitation	21.1 mm (0.8 in)	16 of 100 (Routine)
Kristianstad	Sweden	Record daily precipitation	15.6 mm (0.6 in)	16 of 100 (Routine)
Windorah Post Office	Australia	Record daily precipitation	3.0 mm (0.12 in)	15 of 100 (Routine)
Gumbardo	Australia	Record daily precipitation	12.4 mm (0.5 in)	15 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	15.6 C (60.1 F)	15 of 100 (Routine)
Arhangelsk	Russia	Record high minimum temperature	12.2 C (54.0 F)	15 of 100 (Routine)
Dirranbandi High School	Australia	Record daily precipitation	10.4 mm (0.4 in)	14 of 100 (Routine)
Casterton (Warrock)	Australia	Record daily precipitation	9.1 mm (0.36 in)	14 of 100 (Routine)
Doberlug-Kirchhain	Germany	Record daily precipitation	18.2 mm (0.7 in)	14 of 100 (Routine)
Kargopol	Russia	Record high minimum temperature	11.6 C (52.9 F)	14 of 100 (Routine)
Weldon	United States	Record high maximum temperature	36.1 C (97.0 F)	14 of 100 (Routine)
Glenville	United States	Record daily precipitation	15.2 mm (0.6 in)	14 of 100 (Routine)
Fort National	Algeria	Record high minimum temperature	23.0 C (73.4 F)	13 of 100 (Routine)
Mitchell Post Office	Australia	Record daily precipitation	3.3 mm (0.13 in)	13 of 100 (Routine)
Enngonia (Shearer Street)	Australia	Record daily precipitation	5.8 mm (0.23 in)	13 of 100 (Routine)
Outtrim	Australia	Record daily precipitation	10.9 mm (0.4 in)	13 of 100 (Routine)
Koebenhavn - Meteorologisk Ins	Denmark	Record daily precipitation	12.6 mm (0.5 in)	13 of 100 (Routine)
Eulo Post Office	Australia	Record daily precipitation	7.6 mm (0.30 in)	12 of 100 (Routine)
Berlin-Dahlem	Germany	Record low maximum temperature	14.3 C (57.7 F)	12 of 100 (Routine)
Alton	Canada	Record high minimum temperature	17.2 C (63.0 F)	11 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	8.5 mm (0.33 in)	11 of 100 (Routine)
Uman	Ukraine	Record low minimum temperature	2.0 C (35.6 F)	11 of 100 (Routine)
Emmaville Post Office	Australia	Record daily precipitation	16.0 mm (0.6 in)	10 of 100 (Routine)
Battleford	Canada	Record low maximum temperature	6.1 C (43.0 F)	10 of 100 (Routine)
Penola Post Office	Australia	Record daily precipitation	13.5 mm (0.5 in)	9 of 100 (Routine)
Waren	Germany	Record low maximum temperature	13.5 C (56.3 F)	9 of 100 (Routine)
Cooktown Post Office	Australia	Record daily precipitation	3.6 mm (0.14 in)	8 of 100 (Routine)
Yantabulla (Brindingabba)	Australia	Record daily precipitation	7.1 mm (0.28 in)	8 of 100 (Routine)
Swift Current	Canada	Record low maximum temperature	3.3 C (37.9 F)	8 of 100 (Routine)
Sale Mercury Office	Australia	Record daily precipitation	6.6 mm (0.26 in)	7 of 100 (Routine)
Greensboro Lock 7	United States	Record daily precipitation	5.8 mm (0.23 in)	7 of 100 (Routine)
Alice Springs Post Office	Australia	Record daily precipitation	11.4 mm (0.4 in)	6 of 100 (Routine)
Port Fairy (Griffiths Island)	Australia	Record daily precipitation	8.6 mm (0.34 in)	6 of 100 (Routine)
Muncheberg	Germany	Record daily precipitation	8.8 mm (0.35 in)	6 of 100 (Routine)
Tobolsk	Russia	Record low minimum temperature	0.6 C (33.1 F)	5 of 100 (Routine)
San Remo	Australia	Record daily precipitation	9.4 mm (0.37 in)	4 of 100 (Routine)
Port Dover	Canada	Record high minimum temperature	18.9 C (66.0 F)	4 of 100 (Routine)
Prince Albert	Canada	Record daily precipitation	3.6 mm (0.14 in)	2 of 100 (Routine)
Guelph Oac	Canada	Record high minimum temperature	16.7 C (62.1 F)	2 of 100 (Routine)
Tunis	Tunisia	Record high minimum temperature	23.0 C (73.4 F)	2 of 100 (Routine)
Charleville Post Office	Australia	Record low maximum temperature	18.3 C (64.9 F)	1 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	1.7 C (35.1 F)	0 of 100 (Routine)

Counts by Type and Timescale

60 records

Records set or tied on 12 September 1921 by type: Highest daily maximum 1, Lowest daily maximum 5, Highest daily minimum 11, Lowest daily minimum 3, Heaviest daily rainfall 40.

Records on 12 September 1921 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	5
Highest daily minimum	11
Lowest daily minimum	3
Heaviest daily rainfall	40
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1921 by timescale: all-time 0, monthly 0, daily 60.

How Much Records Were Beaten By

54 broken records

Margins by which the 54 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.1. Ties are not counted.

Top 20 by Significance

12 September 1921

Top 20 records on 12 September 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1921	Charleville Post Office, AU	daily rain	37.6 mm (1.5 in)	37.1 mm (1.5 in)	26 years	50 of 100 (Notable)
12 September 1921	Mount Elliot Tank, AU	daily rain	31.8 mm (1.3 in)	26.7 mm (1.1 in)	0 years	41 of 100 (Notable)
12 September 1921	Przhevalsk, KG	daily rain	28.4 mm (1.1 in)	22.7 mm (0.9 in)	10 years	41 of 100 (Notable)
12 September 1921	St George Post Office, AU	daily rain	33.0 mm (1.3 in)	18.0 mm (0.7 in)	15 years	24 of 100 (Routine)
12 September 1921	Hamilton, CA	daily high min	18.3 C (64.9 F)	0.5 C (0.9 F)	52 years	21 of 100 (Routine)
12 September 1921	Charlotte Plains, AU	daily rain	17.8 mm (0.7 in)	17.8 mm (0.7 in)	32 years	20 of 100 (Routine)
12 September 1921	Cunnamulla Post Office, AU	daily rain	19.1 mm (0.8 in)	17.3 mm (0.7 in)	15 years	20 of 100 (Routine)
12 September 1921	Beechal, AU	daily rain	24.4 mm (1.0 in)	15.8 mm (0.6 in)	22 years	20 of 100 (Routine)
12 September 1921	Wittenberg, DE	daily rain	19.1 mm (0.8 in)	8.0 mm (0.31 in)	23 years	20 of 100 (Routine)
12 September 1921	Morven Post Office, AU	daily rain	10.2 mm (0.4 in)	10.2 mm (0.4 in)	33 years	20 of 100 (Routine)
12 September 1921	Thargomindah Post Office, AU	daily rain	4.3 mm (0.17 in)	4.3 mm (0.17 in)	38 years	20 of 100 (Routine)
12 September 1921	Kingston Queens U, CA	daily high min	20.6 C (69.1 F)	1.2 C (2.2 F)	43 years	20 of 100 (Routine)
12 September 1921	Tartu, EE	daily rain	13.2 mm (0.5 in)	0.3 mm (0.01 in)	47 years	19 of 100 (Routine)
12 September 1921	Stradbroke Post Office, AU	daily rain	13.0 mm (0.5 in)	7.4 mm (0.29 in)	20 years	18 of 100 (Routine)
12 September 1921	Metten, DE	daily rain	26.0 mm (1.0 in)	6.0 mm (0.24 in)	21 years	18 of 100 (Routine)
12 September 1921	Boulia Airport, AU	daily rain	10.7 mm (0.4 in)	3.8 mm (0.15 in)	26 years	17 of 100 (Routine)
12 September 1921	Gunnee, AU	daily rain	15.2 mm (0.6 in)	1.5 mm (0.06 in)	40 years	17 of 100 (Routine)
12 September 1921	Haparanda, SE	daily high min	11.0 C (51.8 F)	1.0 C (1.8 F)	37 years	17 of 100 (Routine)
12 September 1921	Bollon Mary St, AU	daily rain	21.1 mm (0.8 in)	5.9 mm (0.23 in)	28 years	16 of 100 (Routine)
12 September 1921	Kristianstad, SE	daily rain	15.6 mm (0.6 in)	3.5 mm (0.14 in)	19 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 1921

Records set or tied on this calendar date in each year from 1793 to 1921. 1921 had 60 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 1921-09-12: 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	39
5 to 10	7
10 to 15	1
15 to 20	4
20 to 25	1
25 to 30	1
30 to 35	0
35 to 40	1