Weather Records on 20 September 2024

596 weather records were set or tied worldwide on 20 September 2024. Highest significance: Jian, CN.

Key Facts for 20 September 2024

On 20 September 2024, 596 weather records were set or tied at long-record stations worldwide.
516 were record highs and 34 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 589 daily.
Jian set a daily record precipitation of 82.8 mm (3.3 in) on 20 September 2024.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 441 records.

Record Map

596 stations

596 station records on 20 September 2024 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 2024: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jian	China	Record daily precipitation	82.8 mm (3.3 in)	60 of 100 (Major)
Brest-Guipavas	France	Record daily precipitation	44.9 mm (1.8 in)	47 of 100 (Notable)
Memphis	United States	Record high minimum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
Ulricehamn	Sweden	Record high maximum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	22.3 C (72.1 F)	41 of 100 (Notable)
Ft Madison	United States	Record high maximum temperature	33.3 C (91.9 F)	41 of 100 (Notable)
Cassville 1 NE	United States	Record high maximum temperature	33.9 C (93.0 F)	41 of 100 (Notable)
Anthony	United States	Record high maximum temperature	38.3 C (100.9 F)	41 of 100 (Notable)
Pogibi	Russia	Record high maximum temperature	22.6 C (72.7 F)	40 of 100 (Notable)
Boras	Sweden	Record high maximum temperature	24.1 C (75.4 F)	40 of 100 (Notable)
Zearing	United States	Record daily precipitation	61.7 mm (2.4 in)	40 of 100 (Notable)
Guadalajara	Spain	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Rushford	United States	Record daily precipitation	36.8 mm (1.4 in)	39 of 100 (Notable)
Hobart Muni AP	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Satenas	Sweden	Record high maximum temperature	22.9 C (73.2 F)	38 of 100 (Notable)
Erie	United States	Record daily precipitation	34.5 mm (1.4 in)	38 of 100 (Notable)
Omaezaki	Japan	Record high minimum temperature	27.3 C (81.1 F)	37 of 100 (Notable)
Bijie	China	Record daily precipitation	35.1 mm (1.4 in)	35 of 100 (Notable)
Elk City 4 W	United States	Record high maximum temperature	38.3 C (100.9 F)	35 of 100 (Notable)
Duolun	China	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Greensboro Wtp	United States	Record high maximum temperature	36.7 C (98.1 F)	34 of 100 (Routine)
Stavanger - Valand	Norway	Record high maximum temperature	20.4 C (68.7 F)	33 of 100 (Routine)
Lake Geneva Wwtp	United States	Record high maximum temperature	31.1 C (88.0 F)	33 of 100 (Routine)
Halmstad Flygflottilj	Sweden	Record high maximum temperature	23.5 C (74.3 F)	32 of 100 (Routine)
Prastkulla	Sweden	Record high maximum temperature	22.8 C (73.0 F)	32 of 100 (Routine)
Tullinge A	Sweden	Record high maximum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Chiang Mai	Thailand	Record high maximum temperature	36.0 C (96.8 F)	32 of 100 (Routine)
El Dorado	United States	Record high maximum temperature	38.3 C (100.9 F)	32 of 100 (Routine)
Creston	United States	Record high minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Memphis	United States	Record high maximum temperature	38.9 C (102.0 F)	32 of 100 (Routine)
Tyler Pounds Fld	United States	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Lord Howe Island Aero	Australia	Record high maximum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Ronneby-Bredakra	Sweden	Record high maximum temperature	23.2 C (73.8 F)	31 of 100 (Routine)
Mae Sariang	Thailand	Record high maximum temperature	36.0 C (96.8 F)	31 of 100 (Routine)
Lompoc	United States	Record low maximum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Matador	United States	Record high maximum temperature	38.3 C (100.9 F)	31 of 100 (Routine)
Black Rvr Falls Sewage	United States	Record daily precipitation	34.8 mm (1.4 in)	31 of 100 (Routine)
Wakamatsu	Japan	Record high minimum temperature	21.5 C (70.7 F)	30 of 100 (Routine)
Uppsala_Flygplats	Sweden	Record high maximum temperature	22.5 C (72.5 F)	30 of 100 (Routine)
Waynoka	United States	Record high maximum temperature	40.0 C (104.0 F)	30 of 100 (Routine)
Hallettsville 2 N	United States	Record high minimum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Guanghua	China	Record high maximum temperature	35.9 C (96.6 F)	29 of 100 (Routine)
Shionomisaki	Japan	Record high minimum temperature	27.4 C (81.3 F)	29 of 100 (Routine)
Harsfjarden	Sweden	Record high maximum temperature	22.3 C (72.1 F)	29 of 100 (Routine)
Port Isabel	United States	Record high minimum temperature	28.3 C (82.9 F)	29 of 100 (Routine)
Wink FAA AP	United States	Record high minimum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Labuan	Malaysia	Record high maximum temperature	34.3 C (93.7 F)	28 of 100 (Routine)
Raoul Isl/Kermadec	New Zealand	Record high maximum temperature	23.1 C (73.6 F)	28 of 100 (Routine)
Benson	United States	Record high minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Brownfield	United States	Record high maximum temperature	37.2 C (99.0 F)	28 of 100 (Routine)
Panther Junction	United States	Record high maximum temperature	36.7 C (98.1 F)	28 of 100 (Routine)
Van Horn	United States	Record high minimum temperature	22.8 C (73.0 F)	28 of 100 (Routine)
Kenosha Wwtp	United States	Record high maximum temperature	31.1 C (88.0 F)	28 of 100 (Routine)
Crossville Mem AP	United States	Record high maximum temperature	31.7 C (89.1 F)	28 of 100 (Routine)
Mardie	Australia	Record high minimum temperature	20.9 C (69.6 F)	27 of 100 (Routine)
Enshi	China	Record high minimum temperature	27.3 C (81.1 F)	27 of 100 (Routine)
Patna	India	Record high minimum temperature	28.3 C (82.9 F)	27 of 100 (Routine)
Vladivostok	Russia	Record low maximum temperature	10.5 C (50.9 F)	27 of 100 (Routine)
Landvetter_Flygplats	Sweden	Record high maximum temperature	22.8 C (73.0 F)	27 of 100 (Routine)
Idyllwild Fire Dept	United States	Record low maximum temperature	13.9 C (57.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

596 records

Records set or tied on 20 September 2024 by type: Highest daily maximum 309, Lowest daily maximum 20, Highest daily minimum 207, Lowest daily minimum 14, Heaviest daily rainfall 46.

Records on 20 September 2024 by type
Record type	Records
Highest daily maximum	309
Lowest daily maximum	20
Highest daily minimum	207
Lowest daily minimum	14
Heaviest daily rainfall	46
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 2024 by timescale: all-time 0, monthly 7, daily 589.

How Much Records Were Beaten By

460 broken records

Margins by which the 460 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 59.6. Ties are not counted.

Top 20 by Significance

20 September 2024

Top 20 records on 20 September 2024 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 2024	Jian, CN	daily rain	82.8 mm (3.3 in)	59.6 mm (2.3 in)	44 years	60 of 100 (Major)
20 September 2024	Brest-Guipavas, FR	daily rain	44.9 mm (1.8 in)	14.9 mm (0.6 in)	57 years	47 of 100 (Notable)
20 September 2024	Memphis, US	daily high min	22.2 C (72.0 F)	1.1 C (2.0 F)	103 years	42 of 100 (Notable)
20 September 2024	Ulricehamn, SE	daily high max	22.8 C (73.0 F)	0.8 C (1.4 F)	98 years	41 of 100 (Notable)
20 September 2024	Uppsala_Aut, SE	daily high max	22.3 C (72.1 F)	0.4 C (0.7 F)	181 years	41 of 100 (Notable)
20 September 2024	Ft Madison, US	daily high max	33.3 C (91.9 F)	0.5 C (0.9 F)	128 years	41 of 100 (Notable)
20 September 2024	Cassville 1 NE, US	daily high max	33.9 C (93.0 F)	0.6 C (1.1 F)	105 years	41 of 100 (Notable)
20 September 2024	Anthony, US	daily high max	38.3 C (100.9 F)	1.6 C (2.9 F)	96 years	41 of 100 (Notable)
20 September 2024	Pogibi, RU	daily high max	22.6 C (72.7 F)	2.4 C (4.3 F)	81 years	40 of 100 (Notable)
20 September 2024	Boras, SE	daily high max	24.1 C (75.4 F)	0.1 C (0.2 F)	121 years	40 of 100 (Notable)
20 September 2024	Zearing, US	daily rain	61.7 mm (2.4 in)	24.9 mm (1.0 in)	46 years	40 of 100 (Notable)
20 September 2024	Guadalajara, ES	daily rain	33.0 mm (1.3 in)	18.4 mm (0.7 in)	33 years	39 of 100 (Notable)
20 September 2024	Rushford, US	daily rain	36.8 mm (1.4 in)	16.7 mm (0.7 in)	76 years	39 of 100 (Notable)
20 September 2024	Hobart Muni AP, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	93 years	39 of 100 (Notable)
20 September 2024	Satenas, SE	daily high max	22.9 C (73.2 F)	3.7 C (6.7 F)	65 years	38 of 100 (Notable)
20 September 2024	Erie, US	daily rain	34.5 mm (1.4 in)	17.2 mm (0.7 in)	78 years	38 of 100 (Notable)
20 September 2024	Omaezaki, JP	daily high min	27.3 C (81.1 F)	2.8 C (5.0 F)	64 years	37 of 100 (Notable)
20 September 2024	Bijie, CN	daily rain	35.1 mm (1.4 in)	15.1 mm (0.6 in)	49 years	35 of 100 (Notable)
20 September 2024	Elk City 4 W, US	daily high max	38.3 C (100.9 F)	0.5 C (0.9 F)	80 years	35 of 100 (Notable)
20 September 2024	Duolun, CN	daily rain	26.9 mm (1.1 in)	16.6 mm (0.7 in)	14 years	34 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

1812 to 2024

Records set or tied on this calendar date in each year from 1812 to 2024. 2024 had 596 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 2024-09-20: 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 10	442
10 to 20	11
20 to 30	5
30 to 40	1
40 to 50	0
50 to 60	1