Weather Records on 24 September 2021

457 weather records were set or tied worldwide on 24 September 2021. Highest significance: Ganca, AZ.

Key Facts for 24 September 2021

On 24 September 2021, 457 weather records were set or tied at long-record stations worldwide.
224 were record highs and 76 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 445 daily.
Ganca set a daily record precipitation of 99.6 mm (3.9 in) on 24 September 2021.
Across 166 earlier years (1803 to 2026) the same calendar date averaged 427 records.

Record Map

457 stations

457 station records on 24 September 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 September 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ganca	Azerbaijan	Record daily precipitation	99.6 mm (3.9 in)	80 of 100 (Exceptional)
Jinnah Intl	Pakistan	Record daily precipitation	192.0 mm (7.6 in)	61 of 100 (Major)
Da-Qaidam	China	Record daily precipitation	39.9 mm (1.6 in)	58 of 100 (Notable)
Norfolk 2 SW	United States	Record daily precipitation	83.3 mm (3.3 in)	55 of 100 (Notable)
Conklingville Dam	United States	Record daily precipitation	76.7 mm (3.0 in)	55 of 100 (Notable)
Gallivare_A	Sweden	Record daily precipitation	26.0 mm (1.0 in)	52 of 100 (Notable)
Ubon Ratchathani	Thailand	Record daily precipitation	156.5 mm (6.2 in)	50 of 100 (Notable)
Liberty 1 NE	United States	Record daily precipitation	64.8 mm (2.6 in)	50 of 100 (Notable)
Newcomb	United States	Record daily precipitation	62.7 mm (2.5 in)	50 of 100 (Notable)
Houghton Lake 6 WSW	United States	Record daily precipitation	39.1 mm (1.5 in)	48 of 100 (Notable)
Corning	United States	Record daily precipitation	32.5 mm (1.3 in)	48 of 100 (Notable)
Indian Lake 2SW	United States	Record daily precipitation	45.7 mm (1.8 in)	45 of 100 (Notable)
Alcove Dam	United States	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Dannemora	United States	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Waverly	United States	Record daily precipitation	43.4 mm (1.7 in)	44 of 100 (Notable)
Greenville Muni AP	United States	Record daily precipitation	27.2 mm (1.1 in)	43 of 100 (Notable)
Lake Placid 2 S	United States	Record daily precipitation	32.0 mm (1.3 in)	42 of 100 (Notable)
Port Jervis	United States	Record daily precipitation	69.9 mm (2.8 in)	42 of 100 (Notable)
Newman	United States	Record high maximum temperature	40.0 C (104.0 F)	41 of 100 (Notable)
Wibaux 2 E	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
First Connecticut Lake	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Elmira	United States	Record daily precipitation	34.8 mm (1.4 in)	41 of 100 (Notable)
N Creek 5 SE	United States	Record daily precipitation	49.0 mm (1.9 in)	41 of 100 (Notable)
Rize	Turkey	Record daily precipitation	141.5 mm (5.6 in)	40 of 100 (Notable)
Anchorage Merrill Fld	United States	Record low maximum temperature	4.4 C (39.9 F)	40 of 100 (Notable)
Berlin	United States	Record high minimum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Bellefontaine	United States	Record low maximum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Morgantown	United States	Record daily precipitation	66.0 mm (2.6 in)	39 of 100 (Notable)
Prompton Dam	United States	Record daily precipitation	63.2 mm (2.5 in)	39 of 100 (Notable)
Isfjord Radio	Norway	Record high minimum temperature	4.9 C (40.8 F)	38 of 100 (Notable)
Liepaja	Latvia	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Tully Lake	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Conshohocken	United States	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Anyang	China	Record daily precipitation	71.1 mm (2.8 in)	36 of 100 (Notable)
Adjuntas Substn	Puerto Rico [United States]	Record low maximum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Skroven	Sweden	Record daily precipitation	28.0 mm (1.1 in)	36 of 100 (Notable)
El Campo	United States	Record low minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Aberdeen Phillips Fld	United States	Record daily precipitation	94.2 mm (3.7 in)	36 of 100 (Notable)
Abag Qi	China	Record daily precipitation	27.4 mm (1.1 in)	35 of 100 (Notable)
Hefei	China	Record high maximum temperature	35.2 C (95.4 F)	35 of 100 (Notable)
Madrid - Retiro	Spain	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
Birch Hill Dam	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Rock Hill 3 SW	United States	Record daily precipitation	71.1 mm (2.8 in)	35 of 100 (Notable)
Eagle Rvr 5 SE	United States	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Pingliang	China	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Zuara	Libya	Record high minimum temperature	25.4 C (77.7 F)	34 of 100 (Routine)
Covington 2 WSW	United States	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Westhampton Gabreski AP	United States	Record daily precipitation	27.2 mm (1.1 in)	34 of 100 (Routine)
Latnivaara_A	Sweden	Record daily precipitation	25.9 mm (1.0 in)	33 of 100 (Routine)
Saratoga Springs 4 SW	United States	Record daily precipitation	56.1 mm (2.2 in)	33 of 100 (Routine)
Vasilevici	Belarus	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Manston	United Kingdom	Record high maximum temperature	23.4 C (74.1 F)	32 of 100 (Routine)
Craig	United States	Record daily precipitation	63.2 mm (2.5 in)	32 of 100 (Routine)
Eden	United States	Record low minimum temperature	6.1 C (43.0 F)	31 of 100 (Routine)
S Hero	United States	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Yichang	China	Record high maximum temperature	35.9 C (96.6 F)	30 of 100 (Routine)
Auchincruive	United Kingdom	Record high maximum temperature	20.5 C (68.9 F)	30 of 100 (Routine)
Orland	United States	Record high minimum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Wewahitchka	United States	Record low maximum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Stevensville 2SW	United States	Record daily precipitation	90.7 mm (3.6 in)	30 of 100 (Routine)

Counts by Type and Timescale

457 records

Records set or tied on 24 September 2021 by type: Highest daily maximum 73, Lowest daily maximum 30, Highest daily minimum 151, Lowest daily minimum 46, Heaviest daily rainfall 143, Heaviest daily snowfall 9, Deepest snow cover 5.

Records on 24 September 2021 by type
Record type	Records
Highest daily maximum	73
Lowest daily maximum	30
Highest daily minimum	151
Lowest daily minimum	46
Heaviest daily rainfall	143
Heaviest daily snowfall	9
Deepest snow cover	5

Records on 24 September 2021 by timescale: all-time 1, monthly 11, daily 445.

How Much Records Were Beaten By

393 broken records

Margins by which the 393 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 117.1. Ties are not counted.

Top 20 by Significance

24 September 2021

Top 20 records on 24 September 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 2021	Ganca, AZ	daily rain	99.6 mm (3.9 in)	54.6 mm (2.1 in)	124 years	80 of 100 (Exceptional)
24 September 2021	Jinnah Intl, PK	monthly rain	192.0 mm (7.6 in)	117.1 mm (4.6 in)	10 years	61 of 100 (Major)
24 September 2021	Da-Qaidam, CN	all-time rain	39.9 mm (1.6 in)	7.7 mm (0.30 in)	44 years	58 of 100 (Notable)
24 September 2021	Norfolk 2 SW, US	daily rain	83.3 mm (3.3 in)	41.6 mm (1.6 in)	64 years	55 of 100 (Notable)
24 September 2021	Conklingville Dam, US	daily rain	76.7 mm (3.0 in)	36.1 mm (1.4 in)	66 years	55 of 100 (Notable)
24 September 2021	Gallivare_A, SE	daily rain	26.0 mm (1.0 in)	11.0 mm (0.4 in)	75 years	52 of 100 (Notable)
24 September 2021	Ubon Ratchathani, TH	daily rain	156.5 mm (6.2 in)	55.8 mm (2.2 in)	60 years	50 of 100 (Notable)
24 September 2021	Liberty 1 NE, US	daily rain	64.8 mm (2.6 in)	16.5 mm (0.6 in)	108 years	50 of 100 (Notable)
24 September 2021	Newcomb, US	daily rain	62.7 mm (2.5 in)	36.0 mm (1.4 in)	39 years	50 of 100 (Notable)
24 September 2021	Houghton Lake 6 WSW, US	daily rain	39.1 mm (1.5 in)	13.2 mm (0.5 in)	80 years	48 of 100 (Notable)
24 September 2021	Corning, US	daily rain	32.5 mm (1.3 in)	20.3 mm (0.8 in)	75 years	48 of 100 (Notable)
24 September 2021	Indian Lake 2SW, US	daily rain	45.7 mm (1.8 in)	9.1 mm (0.36 in)	95 years	45 of 100 (Notable)
24 September 2021	Alcove Dam, US	daily rain	62.2 mm (2.4 in)	26.6 mm (1.0 in)	64 years	44 of 100 (Notable)
24 September 2021	Dannemora, US	daily rain	52.1 mm (2.1 in)	22.9 mm (0.9 in)	40 years	44 of 100 (Notable)
24 September 2021	Waverly, US	daily rain	43.4 mm (1.7 in)	7.8 mm (0.31 in)	108 years	44 of 100 (Notable)
24 September 2021	Greenville Muni AP, US	daily rain	27.2 mm (1.1 in)	7.4 mm (0.29 in)	95 years	43 of 100 (Notable)
24 September 2021	Lake Placid 2 S, US	daily rain	32.0 mm (1.3 in)	4.1 mm (0.16 in)	95 years	42 of 100 (Notable)
24 September 2021	Port Jervis, US	daily rain	69.9 mm (2.8 in)	16.3 mm (0.6 in)	75 years	42 of 100 (Notable)
24 September 2021	Newman, US	daily high max	40.0 C (104.0 F)	0.6 C (1.1 F)	102 years	41 of 100 (Notable)
24 September 2021	Wibaux 2 E, US	daily high max	36.7 C (98.1 F)	1.1 C (2.0 F)	104 years	41 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

1803 to 2021

Records set or tied on this calendar date in each year from 1803 to 2021. 2021 had 457 records.

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

Records on 09-24 in each year
Year	Records
1803	1
1835	1
1836	1
1842	1
1847	1
1852	2
1854	2
1857	2
1858	1
1859	1
1860	1
1863	1
1864	1
1865	1
1866	1
1867	2
1868	1
1870	3
1871	1
1872	1
1873	1
1874	2
1875	2
1876	1
1877	3
1878	2
1881	5
1884	1
1885	2
1887	1
1889	5
1890	1
1891	2
1892	5
1893	1
1894	2
1895	7
1896	2
1898	1
1899	4
1900	5
1901	3
1902	10
1903	8
1904	9
1905	7
1906	5
1907	20
1908	23
1909	31
1910	8
1911	11
1912	49
1913	9
1914	23
1915	159
1916	253
1917	87
1918	7
1919	26
1920	69
1921	23
1922	49
1923	70
1924	175
1925	146
1926	630
1927	194
1928	603
1929	137
1930	488
1931	463
1932	354
1933	424
1934	367
1935	449
1936	329
1937	237
1938	355
1939	331
1940	319
1941	319
1942	918
1943	413
1944	334
1945	475
1946	425
1947	704
1948	422
1949	554
1950	778
1951	580
1952	425
1953	346
1954	269
1955	577
1956	427
1957	370
1958	725
1959	414
1960	487
1961	680
1962	360
1963	715
1964	329
1965	624
1966	410
1967	394
1968	433
1969	278
1970	1,046
1971	485
1972	480
1973	1,208
1974	1,204
1975	1,116
1976	556
1977	814
1978	619
1979	577
1980	633
1981	604
1982	702
1983	1,128
1984	1,565
1985	771
1986	1,207
1987	729
1988	740
1989	1,668
1990	969
1991	519
1992	1,250
1993	1,055
1994	842
1995	1,251
1996	676
1997	1,238
1998	945
1999	933
2000	1,966
2001	1,097
2002	885
2003	863
2004	600
2005	1,256
2006	1,306
2007	1,244
2008	633
2009	866
2010	1,340
2011	770
2012	545
2013	514
2014	764
2015	770
2016	732
2017	1,402
2018	497
2019	516
2020	754
2021	457
2022	395
2023	689
2024	778
2025	576
2026	389

Download the Data

Data for records on 2021-09-24: 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	362
20 to 40	20
40 to 60	8
60 to 80	2
80 to 100	0
100 to 120	1