Weather Records on 23 September 2021

602 weather records were set or tied worldwide on 23 September 2021. Highest significance: Fremont, US.

Key Facts for 23 September 2021

On 23 September 2021, 602 weather records were set or tied at long-record stations worldwide.
201 were record highs and 100 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 595 daily.
Fremont set a daily record precipitation of 79.0 mm (3.1 in) on 23 September 2021.
Across 169 earlier years (1793 to 2026) the same calendar date averaged 430 records.

Record Map

602 stations

602 station records on 23 September 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 September 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fremont	United States	Record daily precipitation	79.0 mm (3.1 in)	80 of 100 (Exceptional)
Renovo	United States	Record daily precipitation	79.2 mm (3.1 in)	80 of 100 (Exceptional)
Carlisle Wtp	United States	Record daily precipitation	75.7 mm (3.0 in)	73 of 100 (Major)
Lulea-Bergnaset	Sweden	Record daily precipitation	37.0 mm (1.5 in)	70 of 100 (Major)
Angola	United States	Record daily precipitation	67.3 mm (2.6 in)	69 of 100 (Major)
Angelica	United States	Record daily precipitation	55.9 mm (2.2 in)	69 of 100 (Major)
Norwalk Wwtp	United States	Record daily precipitation	67.1 mm (2.6 in)	69 of 100 (Major)
Winchester 7 SE	United States	Record daily precipitation	82.6 mm (3.3 in)	68 of 100 (Major)
Talliden	Sweden	Record daily precipitation	37.1 mm (1.5 in)	66 of 100 (Major)
Galion Wtr Wks	United States	Record daily precipitation	68.6 mm (2.7 in)	65 of 100 (Major)
Oberlin	United States	Record daily precipitation	65.0 mm (2.6 in)	64 of 100 (Major)
Forse	Sweden	Record daily precipitation	38.4 mm (1.5 in)	62 of 100 (Major)
Delaware Lake	United States	Record daily precipitation	63.0 mm (2.5 in)	62 of 100 (Major)
Lovanger	Sweden	Record daily precipitation	57.3 mm (2.3 in)	61 of 100 (Major)
Parainen Uto	Finland	Record daily precipitation	30.9 mm (1.2 in)	58 of 100 (Notable)
Ornskoldsvik	Sweden	Record daily precipitation	46.2 mm (1.8 in)	58 of 100 (Notable)
Pitea	Sweden	Record daily precipitation	29.7 mm (1.2 in)	58 of 100 (Notable)
Lockport 2SE	United States	Record daily precipitation	38.1 mm (1.5 in)	58 of 100 (Notable)
Wellsboro 4 SW	United States	Record daily precipitation	65.8 mm (2.6 in)	57 of 100 (Notable)
Ulvsjon	Sweden	Record daily precipitation	46.0 mm (1.8 in)	56 of 100 (Notable)
Glommerstrask	Sweden	Record daily precipitation	36.4 mm (1.4 in)	54 of 100 (Notable)
Gallivare_A	Sweden	Record daily precipitation	35.3 mm (1.4 in)	54 of 100 (Notable)
Rissna_D	Sweden	Record daily precipitation	33.3 mm (1.3 in)	53 of 100 (Notable)
State College	United States	Record daily precipitation	71.6 mm (2.8 in)	53 of 100 (Notable)
Solleftea	Sweden	Record daily precipitation	37.1 mm (1.5 in)	52 of 100 (Notable)
Robacksdalen	Sweden	Record daily precipitation	57.4 mm (2.3 in)	52 of 100 (Notable)
Asele	Sweden	Record daily precipitation	35.2 mm (1.4 in)	52 of 100 (Notable)
Millheim	United States	Record daily precipitation	114.3 mm (4.5 in)	52 of 100 (Notable)
Krangede_A	Sweden	Record daily precipitation	34.7 mm (1.4 in)	51 of 100 (Notable)
Hicksville	United States	Record daily precipitation	65.8 mm (2.6 in)	51 of 100 (Notable)
Lock Haven Sewage Plt	United States	Record daily precipitation	78.7 mm (3.1 in)	50 of 100 (Notable)
Adel	United States	Record high minimum temperature	15.6 C (60.1 F)	49 of 100 (Notable)
Van Wert 1 S	United States	Record daily precipitation	49.5 mm (1.9 in)	49 of 100 (Notable)
Kramfors	Sweden	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Vannas	Sweden	Record daily precipitation	42.4 mm (1.7 in)	48 of 100 (Notable)
Brannforssund	Sweden	Record daily precipitation	35.3 mm (1.4 in)	48 of 100 (Notable)
Columbus	United States	Record daily precipitation	34.3 mm (1.4 in)	47 of 100 (Notable)
Washington Court House	United States	Record daily precipitation	40.1 mm (1.6 in)	47 of 100 (Notable)
Aspea	Sweden	Record daily precipitation	30.1 mm (1.2 in)	46 of 100 (Notable)
Backe_D	Sweden	Record daily precipitation	31.4 mm (1.2 in)	46 of 100 (Notable)
Vindeln-Sunnansjonas	Sweden	Record daily precipitation	34.8 mm (1.4 in)	46 of 100 (Notable)
Lewistown	United States	Record daily precipitation	86.6 mm (3.4 in)	46 of 100 (Notable)
Tanger	Sweden	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Cuyamaca	United States	Record high minimum temperature	18.3 C (64.9 F)	45 of 100 (Notable)
Paulding	United States	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Annex Creek	United States	Record low maximum temperature	5.6 C (42.1 F)	45 of 100 (Notable)
Brande	Sweden	Record daily precipitation	52.0 mm (2.0 in)	44 of 100 (Notable)
Bygdsiljum_D	Sweden	Record daily precipitation	39.0 mm (1.5 in)	44 of 100 (Notable)
Grosse Pointe Farms	United States	Record daily precipitation	63.5 mm (2.5 in)	44 of 100 (Notable)
Lakeview	United States	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Multra	Sweden	Record daily precipitation	30.6 mm (1.2 in)	43 of 100 (Notable)
Ann Arbor U of Mich	United States	Record low maximum temperature	12.2 C (54.0 F)	43 of 100 (Notable)
Glen Hazel 2 NE Dam	United States	Record daily precipitation	55.6 mm (2.2 in)	43 of 100 (Notable)
Save	Benin	Record high maximum temperature	37.5 C (99.5 F)	42 of 100 (Notable)
Sodersel_D	Sweden	Record daily precipitation	36.8 mm (1.4 in)	42 of 100 (Notable)
Ft Lauderdale	United States	Record low minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Waverly	United States	Record high minimum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Port Allegany	United States	Record daily precipitation	55.6 mm (2.2 in)	42 of 100 (Notable)
Kisinev	Moldova	Record low maximum temperature	10.9 C (51.6 F)	41 of 100 (Notable)
Simea	Sweden	Record daily precipitation	29.9 mm (1.2 in)	41 of 100 (Notable)

Counts by Type and Timescale

602 records

Records set or tied on 23 September 2021 by type: Highest daily maximum 79, Lowest daily maximum 67, Highest daily minimum 122, Lowest daily minimum 33, Heaviest daily rainfall 296, Heaviest daily snowfall 3, Deepest snow cover 2.

Records on 23 September 2021 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	67
Highest daily minimum	122
Lowest daily minimum	33
Heaviest daily rainfall	296
Heaviest daily snowfall	3
Deepest snow cover	2

Records on 23 September 2021 by timescale: all-time 0, monthly 7, daily 595.

How Much Records Were Beaten By

526 broken records

Margins by which the 526 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

23 September 2021

Top 20 records on 23 September 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 September 2021	Fremont, US	daily rain	79.0 mm (3.1 in)	52.3 mm (2.1 in)	111 years	80 of 100 (Exceptional)
23 September 2021	Renovo, US	daily rain	79.2 mm (3.1 in)	51.3 mm (2.0 in)	112 years	80 of 100 (Exceptional)
23 September 2021	Carlisle Wtp, US	daily rain	75.7 mm (3.0 in)	63.0 mm (2.5 in)	161 years	73 of 100 (Major)
23 September 2021	Lulea-Bergnaset, SE	daily rain	37.0 mm (1.5 in)	20.9 mm (0.8 in)	88 years	70 of 100 (Major)
23 September 2021	Angola, US	daily rain	67.3 mm (2.6 in)	36.1 mm (1.4 in)	95 years	69 of 100 (Major)
23 September 2021	Angelica, US	daily rain	55.9 mm (2.2 in)	34.3 mm (1.4 in)	87 years	69 of 100 (Major)
23 September 2021	Norwalk Wwtp, US	daily rain	67.1 mm (2.6 in)	42.7 mm (1.7 in)	70 years	69 of 100 (Major)
23 September 2021	Winchester 7 SE, US	daily rain	82.6 mm (3.3 in)	40.9 mm (1.6 in)	108 years	68 of 100 (Major)
23 September 2021	Talliden, SE	daily rain	37.1 mm (1.5 in)	24.2 mm (1.0 in)	64 years	66 of 100 (Major)
23 September 2021	Galion Wtr Wks, US	daily rain	68.6 mm (2.7 in)	47.3 mm (1.9 in)	64 years	65 of 100 (Major)
23 September 2021	Oberlin, US	daily rain	65.0 mm (2.6 in)	29.2 mm (1.1 in)	95 years	64 of 100 (Major)
23 September 2021	Forse, SE	daily rain	38.4 mm (1.5 in)	13.3 mm (0.5 in)	98 years	62 of 100 (Major)
23 September 2021	Delaware Lake, US	daily rain	63.0 mm (2.5 in)	42.4 mm (1.7 in)	64 years	62 of 100 (Major)
23 September 2021	Lovanger, SE	daily rain	57.3 mm (2.3 in)	43.7 mm (1.7 in)	48 years	61 of 100 (Major)
23 September 2021	Parainen Uto, FI	daily rain	30.9 mm (1.2 in)	20.3 mm (0.8 in)	62 years	58 of 100 (Notable)
23 September 2021	Ornskoldsvik, SE	daily rain	46.2 mm (1.8 in)	33.8 mm (1.3 in)	36 years	58 of 100 (Notable)
23 September 2021	Pitea, SE	daily rain	29.7 mm (1.2 in)	12.0 mm (0.5 in)	154 years	58 of 100 (Notable)
23 September 2021	Lockport 2SE, US	daily rain	38.1 mm (1.5 in)	20.1 mm (0.8 in)	112 years	58 of 100 (Notable)
23 September 2021	Wellsboro 4 SW, US	daily rain	65.8 mm (2.6 in)	34.0 mm (1.3 in)	64 years	57 of 100 (Notable)
23 September 2021	Ulvsjon, SE	daily rain	46.0 mm (1.8 in)	32.5 mm (1.3 in)	36 years	56 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

1793 to 2021

Records set or tied on this calendar date in each year from 1793 to 2021. 2021 had 602 records.

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

Records on 09-23 in each year
Year	Records
1793	1
1796	1
1799	1
1804	1
1832	1
1835	1
1838	1
1842	3
1843	1
1845	2
1848	1
1849	1
1850	1
1851	2
1854	3
1855	1
1859	2
1864	1
1865	1
1866	1
1868	1
1871	1
1872	1
1874	1
1875	1
1876	1
1877	1
1881	4
1882	2
1885	1
1886	1
1887	1
1888	1
1889	3
1890	2
1891	1
1892	2
1893	4
1895	9
1896	5
1897	1
1898	2
1899	4
1900	4
1901	2
1902	6
1903	7
1904	19
1905	6
1906	6
1907	19
1908	19
1909	15
1910	8
1911	11
1912	15
1913	22
1914	29
1915	25
1916	324
1917	56
1918	34
1919	40
1920	44
1921	47
1922	34
1923	74
1924	194
1925	223
1926	459
1927	247
1928	382
1929	198
1930	472
1931	600
1932	383
1933	281
1934	361
1935	239
1936	377
1937	557
1938	389
1939	279
1940	374
1941	490
1942	557
1943	322
1944	381
1945	652
1946	623
1947	803
1948	259
1949	496
1950	267
1951	462
1952	432
1953	271
1954	324
1955	852
1956	299
1957	539
1958	641
1959	307
1960	470
1961	670
1962	344
1963	568
1964	322
1965	783
1966	528
1967	341
1968	481
1969	450
1970	1,457
1971	578
1972	461
1973	674
1974	1,543
1975	1,038
1976	463
1977	616
1978	500
1979	586
1980	1,037
1981	717
1982	775
1983	1,744
1984	1,121
1985	924
1986	740
1987	1,077
1988	653
1989	1,376
1990	702
1991	519
1992	976
1993	983
1994	1,140
1995	1,868
1996	809
1997	1,060
1998	1,326
1999	1,207
2000	2,026
2001	790
2002	930
2003	1,243
2004	986
2005	1,207
2006	1,509
2007	1,153
2008	835
2009	1,201
2010	1,360
2011	666
2012	785
2013	573
2014	595
2015	587
2016	774
2017	1,371
2018	693
2019	565
2020	618
2021	602
2022	551
2023	812
2024	499
2025	449
2026	384

Download the Data

Data for records on 2021-09-23: 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	463
20 to 40	45
40 to 60	15
60 to 80	2
80 to 100	0
100 to 120	1