Weather Records on 2 September 1921

85 weather records were set or tied worldwide on 2 September 1921. Highest significance: Chatillon-Sur-Seine, FR.

Key Facts for 2 September 1921

On 2 September 1921, 85 weather records were set or tied at long-record stations worldwide.
42 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 3 monthly and 81 daily.
Chatillon-Sur-Seine set an all-time record daily precipitation of 80.0 mm (3.1 in) on 2 September 1921.
Across 167 earlier years (1797 to 2026) the same calendar date averaged 439 records.

Record Map

85 stations

85 station records on 2 September 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 September 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chatillon-Sur-Seine	France	Record daily precipitation	80.0 mm (3.1 in)	59 of 100 (Notable)
Kargopol	Russia	Record daily precipitation	30.6 mm (1.2 in)	34 of 100 (Routine)
Agassiz Cda	Canada	Record daily precipitation	42.9 mm (1.7 in)	26 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	28.9 C (84.0 F)	22 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	35.0 C (95.0 F)	21 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record low minimum temperature	1.5 C (34.7 F)	21 of 100 (Routine)
Innamincka Police Camp	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Boorara	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Beechal	Australia	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Cairns Post Office	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Marree Comparison	Australia	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Thargomindah Post Office	Australia	Record daily precipitation	5.8 mm (0.23 in)	20 of 100 (Routine)
Salisbury Downs	Australia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Brandon Cda	Canada	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	30.0 C (86.0 F)	20 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record high minimum temperature	7.7 C (45.9 F)	20 of 100 (Routine)
Robertson	South Africa	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
White Cliffs (Yancannia)	Australia	Record daily precipitation	12.7 mm (0.5 in)	19 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	10.4 mm (0.4 in)	19 of 100 (Routine)
Milparinka Hotel	Australia	Record daily precipitation	5.1 mm (0.20 in)	18 of 100 (Routine)
Goorimpa	Australia	Record daily precipitation	2.5 mm (0.10 in)	18 of 100 (Routine)
Quebec	Canada	Record high maximum temperature	29.4 C (84.9 F)	18 of 100 (Routine)
Sydney	Canada	Record high maximum temperature	28.9 C (84.0 F)	18 of 100 (Routine)
Milparinka (Yandama Downs)	Australia	Record daily precipitation	13.5 mm (0.5 in)	17 of 100 (Routine)
Port Stanley	Canada	Record high maximum temperature	30.0 C (86.0 F)	17 of 100 (Routine)
Quinyambie	Australia	Record daily precipitation	3.3 mm (0.13 in)	16 of 100 (Routine)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	18.5 mm (0.7 in)	16 of 100 (Routine)
Sarna	Sweden	Record daily precipitation	23.5 mm (0.9 in)	16 of 100 (Routine)
Killalpaninna	Australia	Record daily precipitation	3.0 mm (0.12 in)	15 of 100 (Routine)
Tibooburra Post Office	Australia	Record daily precipitation	5.1 mm (0.20 in)	15 of 100 (Routine)
Bredasdorp	South Africa	Record daily precipitation	4.1 mm (0.16 in)	15 of 100 (Routine)
Charlottetown	Canada	Record high maximum temperature	27.8 C (82.0 F)	14 of 100 (Routine)
Irkutsk	Russia	Record high minimum temperature	12.3 C (54.1 F)	14 of 100 (Routine)
Knysna (Tnk)	South Africa	Record daily precipitation	16.3 mm (0.6 in)	14 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	19.1 mm (0.8 in)	14 of 100 (Routine)
Concord	United States	Record high maximum temperature	33.3 C (91.9 F)	14 of 100 (Routine)
Coldwater	Canada	Record high minimum temperature	20.6 C (69.1 F)	13 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	21.1 C (70.0 F)	13 of 100 (Routine)
Bjuraker	Sweden	Record low minimum temperature	-0.4 C (31.3 F)	13 of 100 (Routine)
Windorah Post Office	Australia	Record daily precipitation	4.1 mm (0.16 in)	12 of 100 (Routine)
Cunnamulla Post Office	Australia	Record daily precipitation	1.3 mm (0.05 in)	12 of 100 (Routine)
Eulo Post Office	Australia	Record daily precipitation	2.0 mm (0.08 in)	12 of 100 (Routine)
Stonecliffe	Canada	Record high maximum temperature	33.3 C (91.9 F)	12 of 100 (Routine)
Ny City Cntrl Park	United States	Record high maximum temperature	34.4 C (93.9 F)	12 of 100 (Routine)
Brome	Canada	Record high maximum temperature	30.0 C (86.0 F)	11 of 100 (Routine)
Surgut	Russia	Record daily precipitation	11.3 mm (0.4 in)	11 of 100 (Routine)
Lowell	United States	Record high maximum temperature	32.2 C (90.0 F)	11 of 100 (Routine)
Franklin	United States	Record high minimum temperature	21.7 C (71.1 F)	11 of 100 (Routine)
Mackay Post Office	Australia	Record daily precipitation	15.2 mm (0.6 in)	10 of 100 (Routine)
Orenburg	Russia	Record daily precipitation	5.4 mm (0.21 in)	10 of 100 (Routine)
Blue Hill Coop	United States	Record high maximum temperature	32.2 C (90.0 F)	10 of 100 (Routine)
Weldon	United States	Record high maximum temperature	38.3 C (100.9 F)	10 of 100 (Routine)
Harrisburg - Coop	United States	Record high minimum temperature	23.3 C (73.9 F)	10 of 100 (Routine)
Harnosand	Sweden	Record low minimum temperature	0.5 C (32.9 F)	9 of 100 (Routine)
Gamalally	Australia	Record daily precipitation	3.6 mm (0.14 in)	8 of 100 (Routine)
Bancroft	Canada	Record high minimum temperature	16.1 C (61.0 F)	8 of 100 (Routine)
Uniondale (Tnk)	South Africa	Record daily precipitation	3.8 mm (0.15 in)	8 of 100 (Routine)
Malvern	United States	Record high minimum temperature	22.2 C (72.0 F)	8 of 100 (Routine)
Moreton Telegraph Station	Australia	Record daily precipitation	1.5 mm (0.06 in)	6 of 100 (Routine)
Innisfail	Australia	Record daily precipitation	20.3 mm (0.8 in)	6 of 100 (Routine)

Counts by Type and Timescale

85 records

Records set or tied on 2 September 1921 by type: Highest daily maximum 23, Lowest daily maximum 2, Highest daily minimum 19, Lowest daily minimum 6, Heaviest daily rainfall 35.

Records on 2 September 1921 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	2
Highest daily minimum	19
Lowest daily minimum	6
Heaviest daily rainfall	35
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 2 September 1921 by timescale: all-time 1, monthly 3, daily 81.

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 23.6. Ties are not counted.

Top 20 by Significance

2 September 1921

Top 20 records on 2 September 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 September 1921	Chatillon-Sur-Seine, FR	all-time rain	80.0 mm (3.1 in)	23.6 mm (0.9 in)	22 years	59 of 100 (Notable)
2 September 1921	Kargopol, RU	daily rain	30.6 mm (1.2 in)	12.8 mm (0.5 in)	12 years	34 of 100 (Routine)
2 September 1921	Agassiz Cda, CA	daily rain	42.9 mm (1.7 in)	22.6 mm (0.9 in)	8 years	26 of 100 (Routine)
2 September 1921	Port Arthur, CA	daily high max	28.9 C (84.0 F)	2.8 C (5.0 F)	40 years	22 of 100 (Routine)
2 September 1921	Ottawa, CA	daily high max	35.0 C (95.0 F)	2.2 C (4.0 F)	40 years	21 of 100 (Routine)
2 September 1921	Vasteras-Hasslo, SE	daily low min	1.5 C (34.7 F)	2.5 C (4.5 F)	35 years	21 of 100 (Routine)
2 September 1921	Innamincka Police Camp, AU	daily rain	14.2 mm (0.6 in)	14.2 mm (0.6 in)	36 years	20 of 100 (Routine)
2 September 1921	Boorara, AU	daily rain	10.9 mm (0.4 in)	10.9 mm (0.4 in)	35 years	20 of 100 (Routine)
2 September 1921	Beechal, AU	daily rain	8.6 mm (0.34 in)	8.6 mm (0.34 in)	37 years	20 of 100 (Routine)
2 September 1921	Cairns Post Office, AU	daily rain	16.3 mm (0.6 in)	10.5 mm (0.4 in)	18 years	20 of 100 (Routine)
2 September 1921	Marree Comparison, AU	daily rain	9.1 mm (0.36 in)	8.6 mm (0.34 in)	27 years	20 of 100 (Routine)
2 September 1921	Thargomindah Post Office, AU	daily rain	5.8 mm (0.23 in)	5.8 mm (0.23 in)	38 years	20 of 100 (Routine)
2 September 1921	Salisbury Downs, AU	daily rain	11.2 mm (0.4 in)	9.9 mm (0.39 in)	12 years	20 of 100 (Routine)
2 September 1921	Brandon Cda, CA	daily rain	16.8 mm (0.7 in)	12.2 mm (0.5 in)	11 years	20 of 100 (Routine)
2 September 1921	Montreal McGill, CA	daily high max	30.0 C (86.0 F)	0.6 C (1.1 F)	49 years	20 of 100 (Routine)
2 September 1921	Ilulissat (Jakobshavn), GL	daily high min	7.7 C (45.9 F)	1.7 C (3.1 F)	38 years	20 of 100 (Routine)
2 September 1921	Robertson, ZA	daily rain	14.0 mm (0.6 in)	3.3 mm (0.13 in)	42 years	20 of 100 (Routine)
2 September 1921	White Cliffs (Yancannia), AU	daily rain	12.7 mm (0.5 in)	10.9 mm (0.4 in)	10 years	19 of 100 (Routine)
2 September 1921	Oktjabrskij-Gorodok, RU	daily rain	10.4 mm (0.4 in)	2.9 mm (0.11 in)	36 years	19 of 100 (Routine)
2 September 1921	Milparinka Hotel, AU	daily rain	5.1 mm (0.20 in)	4.3 mm (0.17 in)	27 years	18 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 1921

Records set or tied on this calendar date in each year from 1797 to 1921. 1921 had 85 records.

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

Records on 09-02 in each year
Year	Records
1797	1
1800	1
1802	1
1808	1
1838	1
1841	1
1843	1
1850	1
1854	1
1855	1
1857	1
1860	3
1861	1
1864	1
1867	2
1869	2
1870	1
1871	2
1872	1
1875	1
1876	1
1877	3
1878	2
1879	1
1881	1
1883	1
1884	1
1885	4
1886	5
1888	1
1889	2
1890	5
1891	1
1892	5
1893	3
1894	4
1895	3
1896	4
1897	4
1898	8
1899	10
1900	3
1901	4
1902	5
1903	13
1904	6
1905	14
1906	25
1907	11
1908	58
1909	35
1910	13
1911	82
1912	37
1913	37
1914	16
1915	38
1916	26
1917	20
1918	31
1919	17
1920	39
1921	85
1922	46
1923	75
1924	212
1925	147
1926	215
1927	71
1928	203
1929	322
1930	194
1931	305
1932	473
1933	427
1934	537
1935	602
1936	391
1937	905
1938	376
1939	439
1940	224
1941	467
1942	389
1943	336
1944	353
1945	392
1946	635
1947	1,147
1948	431
1949	563
1950	745
1951	515
1952	698
1953	1,153
1954	721
1955	501
1956	440
1957	385
1958	348
1959	534
1960	448
1961	839
1962	318
1963	272
1964	679
1965	440
1966	362
1967	1,213
1968	493
1969	465
1970	553
1971	521
1972	743
1973	1,148
1974	1,294
1975	519
1976	835
1977	589
1978	484
1979	647
1980	697
1981	521
1982	672
1983	1,076
1984	598
1985	714
1986	860
1987	915
1988	1,284
1989	659
1990	675
1991	807
1992	1,117
1993	1,405
1994	1,291
1995	1,143
1996	604
1997	1,547
1998	1,263
1999	912
2000	1,931
2001	981
2002	805
2003	1,310
2004	679
2005	623
2006	1,238
2007	1,086
2008	1,229
2009	706
2010	1,081
2011	1,265
2012	885
2013	717
2014	650
2015	661
2016	621
2017	1,047
2018	473
2019	789
2020	701
2021	742
2022	991
2023	707
2024	923
2025	431
2026	866

Download the Data

Data for records on 1921-09-02: 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	46
5 to 10	7
10 to 15	6
15 to 20	0
20 to 25	2