Weather Records on 10 September 2021

1,311 weather records were set or tied worldwide on 10 September 2021. Highest significance: Ellendale Post Office, AU.

Key Facts for 10 September 2021

On 10 September 2021, 1,311 weather records were set or tied at long-record stations worldwide.
1,077 were record highs and 42 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 39 monthly and 1,272 daily.
Ellendale Post Office set a daily record precipitation of 46.0 mm (1.8 in) on 10 September 2021.
Across 166 earlier years (1812 to 2026) the same calendar date averaged 423 records.

Record Map

1,311 stations

1,311 station records on 10 September 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 September 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ellendale Post Office	Australia	Record daily precipitation	46.0 mm (1.8 in)	75 of 100 (Major)
Tulelake	United States	Record daily precipitation	27.4 mm (1.1 in)	69 of 100 (Major)
Bothwell (Franklin Street)	Australia	Record daily precipitation	25.0 mm (1.0 in)	57 of 100 (Notable)
Mangareva	French Polynesia	Record daily precipitation	88.9 mm (3.5 in)	55 of 100 (Notable)
Zavitaja	Russia	Record daily precipitation	40.9 mm (1.6 in)	55 of 100 (Notable)
Lahore City	Pakistan	Record daily precipitation	146.1 mm (5.8 in)	50 of 100 (Notable)
Magdagaci	Russia	Record daily precipitation	34.0 mm (1.3 in)	48 of 100 (Notable)
Hudson 1 SSE	United States	Record daily precipitation	69.1 mm (2.7 in)	48 of 100 (Notable)
Riddle	United States	Record high minimum temperature	17.2 C (63.0 F)	48 of 100 (Notable)
Cerro	United States	Record high maximum temperature	33.9 C (93.0 F)	47 of 100 (Notable)
Tejon Rancho	United States	Record high maximum temperature	41.1 C (106.0 F)	46 of 100 (Notable)
Ft Collins	United States	Record high maximum temperature	36.7 C (98.1 F)	46 of 100 (Notable)
Silverton	United States	Record high maximum temperature	26.7 C (80.1 F)	46 of 100 (Notable)
Frederiksoord	Netherlands	Record daily precipitation	27.2 mm (1.1 in)	45 of 100 (Notable)
Norsk	Russia	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Lemon Cove	United States	Record high maximum temperature	43.3 C (109.9 F)	45 of 100 (Notable)
Trinidad	United States	Record high maximum temperature	36.7 C (98.1 F)	45 of 100 (Notable)
Owyhee Dam	United States	Record high minimum temperature	20.6 C (69.1 F)	45 of 100 (Notable)
Driggs	United States	Record high maximum temperature	31.7 C (89.1 F)	44 of 100 (Notable)
Red Rvr	United States	Record high maximum temperature	29.4 C (84.9 F)	44 of 100 (Notable)
Goodwell Rsch STN	United States	Record high maximum temperature	40.0 C (104.0 F)	44 of 100 (Notable)
Clayton Muni Air Pk	United States	Record high maximum temperature	36.7 C (98.1 F)	44 of 100 (Notable)
Hularin	Russia	Record daily precipitation	39.9 mm (1.6 in)	43 of 100 (Notable)
Castle Rock	United States	Record high maximum temperature	35.6 C (96.1 F)	43 of 100 (Notable)
Cheesman	United States	Record high maximum temperature	32.8 C (91.0 F)	43 of 100 (Notable)
Glenwood Spgs #2	United States	Record high maximum temperature	34.4 C (93.9 F)	43 of 100 (Notable)
Sugarloaf Rsvr	United States	Record high maximum temperature	25.6 C (78.1 F)	43 of 100 (Notable)
Tucumcari 4 NE	United States	Record high maximum temperature	38.3 C (100.9 F)	43 of 100 (Notable)
Grants Pass	United States	Record high minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Adelaide West Terrace	Australia	Record high maximum temperature	27.9 C (82.2 F)	42 of 100 (Notable)
Bourges	France	Record daily precipitation	29.1 mm (1.1 in)	42 of 100 (Notable)
Dehradun	India	Record daily precipitation	112.0 mm (4.4 in)	42 of 100 (Notable)
Hanford 1 S	United States	Record high maximum temperature	41.7 C (107.1 F)	42 of 100 (Notable)
Susanville 2SW	United States	Record high minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Dillon 1 E	United States	Record high maximum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Rangely 1E	United States	Record high maximum temperature	33.9 C (93.0 F)	42 of 100 (Notable)
Steamboat Springs	United States	Record high maximum temperature	31.7 C (89.1 F)	42 of 100 (Notable)
Mina	United States	Record high maximum temperature	37.2 C (99.0 F)	42 of 100 (Notable)
Hooker	United States	Record high maximum temperature	40.0 C (104.0 F)	42 of 100 (Notable)
Blanding	United States	Record high minimum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Fillmore	United States	Record high maximum temperature	36.1 C (97.0 F)	42 of 100 (Notable)
Goodland	United States	Record high maximum temperature	39.4 C (102.9 F)	42 of 100 (Notable)
Miena Dam	Australia	Record daily precipitation	26.4 mm (1.0 in)	41 of 100 (Notable)
Bremen-Seefahrtschule	Germany	Record high minimum temperature	17.1 C (62.8 F)	41 of 100 (Notable)
Mancos 1SW	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Westcliffe	United States	Record high maximum temperature	31.1 C (88.0 F)	41 of 100 (Notable)
Wallace	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Thermopolis	United States	Record high maximum temperature	36.1 C (97.0 F)	41 of 100 (Notable)
Wheatland 4N	United States	Record high maximum temperature	37.2 C (99.0 F)	41 of 100 (Notable)
Margate (Sunnyside)	Australia	Record daily precipitation	30.4 mm (1.2 in)	40 of 100 (Notable)
Worpswede-Huttenbusch	Germany	Record daily precipitation	33.3 mm (1.3 in)	40 of 100 (Notable)
Tolka	Russia	Record daily precipitation	34.0 mm (1.3 in)	40 of 100 (Notable)
Hyannis	United States	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)
Summit	United States	Record high minimum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Old Faithful	United States	Record high maximum temperature	28.3 C (82.9 F)	40 of 100 (Notable)
Mesa Verde Np	United States	Record high maximum temperature	32.8 C (91.0 F)	39 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record high maximum temperature	37.8 C (100.0 F)	39 of 100 (Notable)
Kaiserslautern	Germany	Record high minimum temperature	17.3 C (63.1 F)	38 of 100 (Notable)
Pavillion	United States	Record high maximum temperature	30.6 C (87.1 F)	38 of 100 (Notable)
Tucumcari Muni AP	United States	Record high maximum temperature	39.4 C (102.9 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,311 records

Records set or tied on 10 September 2021 by type: Highest daily maximum 581, Lowest daily maximum 15, Highest daily minimum 496, Lowest daily minimum 27, Heaviest daily rainfall 192.

Records on 10 September 2021 by type
Record type	Records
Highest daily maximum	581
Lowest daily maximum	15
Highest daily minimum	496
Lowest daily minimum	27
Heaviest daily rainfall	192
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 September 2021 by timescale: all-time 0, monthly 39, daily 1,272.

How Much Records Were Beaten By

1,083 broken records

Margins by which the 1,083 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 131.1. Ties are not counted.

Top 20 by Significance

10 September 2021

Top 20 records on 10 September 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 September 2021	Ellendale Post Office, AU	daily rain	46.0 mm (1.8 in)	25.7 mm (1.0 in)	108 years	75 of 100 (Major)
10 September 2021	Tulelake, US	daily rain	27.4 mm (1.1 in)	19.8 mm (0.8 in)	68 years	69 of 100 (Major)
10 September 2021	Bothwell (Franklin Street), AU	daily rain	25.0 mm (1.0 in)	11.3 mm (0.4 in)	78 years	57 of 100 (Notable)
10 September 2021	Mangareva, PF	daily rain	88.9 mm (3.5 in)	72.9 mm (2.9 in)	39 years	55 of 100 (Notable)
10 September 2021	Zavitaja, RU	daily rain	40.9 mm (1.6 in)	23.3 mm (0.9 in)	68 years	55 of 100 (Notable)
10 September 2021	Lahore City, PK	daily rain	146.1 mm (5.8 in)	131.1 mm (5.2 in)	16 years	50 of 100 (Notable)
10 September 2021	Magdagaci, RU	daily rain	34.0 mm (1.3 in)	12.2 mm (0.5 in)	84 years	48 of 100 (Notable)
10 September 2021	Hudson 1 SSE, US	daily rain	69.1 mm (2.7 in)	53.4 mm (2.1 in)	12 years	48 of 100 (Notable)
10 September 2021	Riddle, US	daily high min	17.2 C (63.0 F)	2.8 C (5.0 F)	104 years	48 of 100 (Notable)
10 September 2021	Cerro, US	daily high max	33.9 C (93.0 F)	2.8 C (5.0 F)	111 years	47 of 100 (Notable)
10 September 2021	Tejon Rancho, US	daily high max	41.1 C (106.0 F)	2.8 C (5.0 F)	121 years	46 of 100 (Notable)
10 September 2021	Ft Collins, US	daily high max	36.7 C (98.1 F)	3.4 C (6.1 F)	111 years	46 of 100 (Notable)
10 September 2021	Silverton, US	daily high max	26.7 C (80.1 F)	2.8 C (5.0 F)	99 years	46 of 100 (Notable)
10 September 2021	Frederiksoord, NL	daily rain	27.2 mm (1.1 in)	11.9 mm (0.5 in)	64 years	45 of 100 (Notable)
10 September 2021	Norsk, RU	daily rain	31.0 mm (1.2 in)	9.0 mm (0.35 in)	84 years	45 of 100 (Notable)
10 September 2021	Lemon Cove, US	daily high max	43.3 C (109.9 F)	2.2 C (4.0 F)	121 years	45 of 100 (Notable)
10 September 2021	Trinidad, US	daily high max	36.7 C (98.1 F)	3.9 C (7.0 F)	88 years	45 of 100 (Notable)
10 September 2021	Owyhee Dam, US	daily high min	20.6 C (69.1 F)	5.0 C (9.0 F)	80 years	45 of 100 (Notable)
10 September 2021	Driggs, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	116 years	44 of 100 (Notable)
10 September 2021	Red Rvr, US	daily high max	29.4 C (84.9 F)	1.6 C (2.9 F)	106 years	44 of 100 (Notable)

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

1812 to 2021

Records set or tied on this calendar date in each year from 1812 to 2021. 2021 had 1,311 records.

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

Records on 09-10 in each year
Year	Records
1812	1
1813	1
1814	2
1818	1
1838	2
1841	1
1846	1
1847	1
1848	1
1850	2
1854	3
1857	1
1858	1
1865	5
1868	1
1869	2
1871	1
1874	2
1875	1
1876	2
1878	1
1879	2
1880	3
1881	2
1883	3
1884	4
1885	2
1886	1
1887	1
1888	2
1889	3
1890	1
1891	3
1892	3
1893	2
1894	4
1895	3
1896	1
1897	7
1898	4
1899	10
1901	1
1902	10
1903	13
1904	5
1905	7
1906	23
1907	15
1908	15
1909	25
1910	26
1911	8
1912	62
1913	24
1914	43
1915	53
1916	15
1917	79
1918	33
1919	42
1920	132
1921	207
1922	78
1923	38
1924	335
1925	197
1926	68
1927	262
1928	109
1929	282
1930	161
1931	724
1932	258
1933	333
1934	247
1935	478
1936	336
1937	376
1938	369
1939	386
1940	410
1941	389
1942	271
1943	352
1944	470
1945	334
1946	295
1947	534
1948	432
1949	793
1950	394
1951	344
1952	476
1953	250
1954	271
1955	376
1956	834
1957	332
1958	435
1959	670
1960	376
1961	459
1962	798
1963	384
1964	710
1965	355
1966	330
1967	512
1968	846
1969	635
1970	582
1971	400
1972	477
1973	559
1974	522
1975	528
1976	1,041
1977	391
1978	883
1979	563
1980	716
1981	629
1982	687
1983	1,329
1984	824
1985	1,140
1986	960
1987	574
1988	783
1989	1,098
1990	782
1991	827
1992	745
1993	936
1994	816
1995	643
1996	1,003
1997	829
1998	1,832
1999	1,068
2000	1,088
2001	1,129
2002	1,298
2003	1,149
2004	652
2005	1,173
2006	1,110
2007	866
2008	975
2009	636
2010	1,273
2011	1,235
2012	793
2013	1,198
2014	894
2015	789
2016	1,085
2017	674
2018	1,030
2019	816
2020	2,105
2021	1,311
2022	633
2023	1,114
2024	933
2025	583
2026	832

Download the Data

Data for records on 2021-09-10: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	1,072
20 to 40	8
40 to 60	1
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	1