Weather Records on 20 September 2001

821 weather records were set or tied worldwide on 20 September 2001. Highest significance: Tishomingo Natl Wr, US.

Key Facts for 20 September 2001

On 20 September 2001, 821 weather records were set or tied at long-record stations worldwide.
482 were record highs and 160 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 813 daily.
Tishomingo Natl Wr set a daily record precipitation of 105.4 mm (4.1 in) on 20 September 2001.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 440 records.

Record Map

821 stations

821 station records on 20 September 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tishomingo Natl Wr	United States	Record daily precipitation	105.4 mm (4.1 in)	65 of 100 (Major)
Thiruvananthapuram	India	Record daily precipitation	115.1 mm (4.5 in)	63 of 100 (Major)
Ternopil	Ukraine	Record daily precipitation	44.0 mm (1.7 in)	57 of 100 (Notable)
Xiamen	China	Record daily precipitation	153.3 mm (6.0 in)	56 of 100 (Notable)
Botosani	Romania	Record daily precipitation	59.3 mm (2.3 in)	55 of 100 (Notable)
Dubno	Ukraine	Record daily precipitation	41.0 mm (1.6 in)	55 of 100 (Notable)
Chortkiv	Ukraine	Record daily precipitation	42.0 mm (1.7 in)	55 of 100 (Notable)
Kremenec	Ukraine	Record daily precipitation	47.0 mm (1.9 in)	51 of 100 (Notable)
Celina	United States	Record daily precipitation	46.7 mm (1.8 in)	47 of 100 (Notable)
Jerecuaro	Mexico	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)
Lubeshov	Ukraine	Record daily precipitation	29.0 mm (1.1 in)	44 of 100 (Notable)
Manevichi	Ukraine	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Presa Valerio Trujano	Mexico	Record high maximum temperature	37.8 C (100.0 F)	41 of 100 (Notable)
Williamston 3NE	United States	Record daily precipitation	51.1 mm (2.0 in)	41 of 100 (Notable)
Cullendore (Ashglen)	Australia	Record daily precipitation	47.0 mm (1.9 in)	39 of 100 (Notable)
Kem-Port	Russia	Record high maximum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Asuncion Nochixtlan	Mexico	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Vardoe	Norway	Record high maximum temperature	16.5 C (61.7 F)	38 of 100 (Notable)
Etla	Mexico	Record low minimum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Gridino	Russia	Record high maximum temperature	23.8 C (74.8 F)	37 of 100 (Notable)
Arhangelsk	Russia	Record high maximum temperature	20.5 C (68.9 F)	37 of 100 (Notable)
Bolsoy Santar	Russia	Record low maximum temperature	5.5 C (41.9 F)	37 of 100 (Notable)
East London	South Africa	Record low minimum temperature	3.2 C (37.8 F)	37 of 100 (Notable)
Whitefish Pt	United States	Record daily precipitation	51.1 mm (2.0 in)	37 of 100 (Notable)
Darwin Botanic Gardens	Australia	Record daily precipitation	33.2 mm (1.3 in)	36 of 100 (Notable)
Huascato	Mexico	Record daily precipitation	55.4 mm (2.2 in)	36 of 100 (Notable)
Lida	Belarus	Record daily precipitation	28.8 mm (1.1 in)	35 of 100 (Notable)
Kirensk	Russia	Record low minimum temperature	-6.4 C (20.5 F)	35 of 100 (Notable)
Castle Dale	United States	Record high maximum temperature	31.7 C (89.1 F)	35 of 100 (Notable)
Marysvale	United States	Record high maximum temperature	30.6 C (87.1 F)	35 of 100 (Notable)
Magueyes	Mexico	Record daily precipitation	116.8 mm (4.6 in)	34 of 100 (Routine)
Glomfjord	Norway	Record high minimum temperature	14.1 C (57.4 F)	34 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record low maximum temperature	7.8 C (46.0 F)	33 of 100 (Routine)
Picayune	United States	Record daily precipitation	47.5 mm (1.9 in)	33 of 100 (Routine)
Jamay	Mexico	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
San Rafael	Mexico	Record daily precipitation	36.3 mm (1.4 in)	31 of 100 (Routine)
Reboly	Russia	Record high maximum temperature	19.6 C (67.3 F)	31 of 100 (Routine)
Vyborg	Russia	Record high maximum temperature	21.3 C (70.3 F)	31 of 100 (Routine)
New Orleans Algiers	United States	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Lebanon	United States	Record daily precipitation	51.3 mm (2.0 in)	31 of 100 (Routine)
Provo Byu	United States	Record high maximum temperature	30.6 C (87.1 F)	31 of 100 (Routine)
Chapulco	Mexico	Record low minimum temperature	5.0 C (41.0 F)	30 of 100 (Routine)
Castle Hot Springs	United States	Record high maximum temperature	40.0 C (104.0 F)	30 of 100 (Routine)
Dearborn	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Edmore 4NW	United States	Record daily precipitation	25.7 mm (1.0 in)	30 of 100 (Routine)
Canelas	Mexico	Record low minimum temperature	10.6 C (51.1 F)	29 of 100 (Routine)
Cuimato	Mexico	Record daily precipitation	41.9 mm (1.6 in)	29 of 100 (Routine)
Ticuman	Mexico	Record high maximum temperature	38.9 C (102.0 F)	29 of 100 (Routine)
Tamarindo	Mexico	Record low minimum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Umba	Russia	Record high maximum temperature	17.1 C (62.8 F)	29 of 100 (Routine)
Vytegra	Russia	Record high maximum temperature	22.1 C (71.8 F)	29 of 100 (Routine)
Verhojansk	Russia	Record low minimum temperature	-14.6 C (5.7 F)	29 of 100 (Routine)
Gyshgy	Turkmenistan	Record low maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Suchiate	Mexico	Record low minimum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Abasolo	Mexico	Record daily precipitation	45.0 mm (1.8 in)	28 of 100 (Routine)
La Vega	Mexico	Record daily precipitation	57.9 mm (2.3 in)	28 of 100 (Routine)
Oxnard	United States	Record low maximum temperature	18.3 C (64.9 F)	28 of 100 (Routine)
Lenoir	United States	Record daily precipitation	43.2 mm (1.7 in)	28 of 100 (Routine)
Statesville 2 NNE	United States	Record high minimum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Putnam	United States	Record daily precipitation	31.5 mm (1.2 in)	28 of 100 (Routine)

Counts by Type and Timescale

821 records

Records set or tied on 20 September 2001 by type: Highest daily maximum 303, Lowest daily maximum 81, Highest daily minimum 179, Lowest daily minimum 79, Heaviest daily rainfall 178, Deepest snow cover 1.

Records on 20 September 2001 by type
Record type	Records
Highest daily maximum	303
Lowest daily maximum	81
Highest daily minimum	179
Lowest daily minimum	79
Heaviest daily rainfall	178
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 20 September 2001 by timescale: all-time 0, monthly 8, daily 813.

How Much Records Were Beaten By

641 broken records

Margins by which the 641 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 300.0. Ties are not counted.

Top 20 by Significance

20 September 2001

Top 20 records on 20 September 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 2001	Tishomingo Natl Wr, US	daily rain	105.4 mm (4.1 in)	59.9 mm (2.4 in)	96 years	65 of 100 (Major)
20 September 2001	Thiruvananthapuram, IN	daily rain	115.1 mm (4.5 in)	72.2 mm (2.8 in)	46 years	63 of 100 (Major)
20 September 2001	Ternopil, UA	daily rain	44.0 mm (1.7 in)	27.9 mm (1.1 in)	43 years	57 of 100 (Notable)
20 September 2001	Xiamen, CN	daily rain	153.3 mm (6.0 in)	105.1 mm (4.1 in)	40 years	56 of 100 (Notable)
20 September 2001	Botosani, RO	daily rain	59.3 mm (2.3 in)	44.0 mm (1.7 in)	39 years	55 of 100 (Notable)
20 September 2001	Dubno, UA	daily rain	41.0 mm (1.6 in)	27.9 mm (1.1 in)	39 years	55 of 100 (Notable)
20 September 2001	Chortkiv, UA	daily rain	42.0 mm (1.7 in)	30.3 mm (1.2 in)	39 years	55 of 100 (Notable)
20 September 2001	Kremenec, UA	daily rain	47.0 mm (1.9 in)	33.1 mm (1.3 in)	39 years	51 of 100 (Notable)
20 September 2001	Celina, US	daily rain	46.7 mm (1.8 in)	16.5 mm (0.6 in)	96 years	47 of 100 (Notable)
20 September 2001	Jerecuaro, MX	daily rain	41.9 mm (1.6 in)	22.1 mm (0.9 in)	56 years	45 of 100 (Notable)
20 September 2001	Lubeshov, UA	daily rain	29.0 mm (1.1 in)	20.1 mm (0.8 in)	31 years	44 of 100 (Notable)
20 September 2001	Manevichi, UA	daily rain	29.0 mm (1.1 in)	19.1 mm (0.8 in)	36 years	42 of 100 (Notable)
20 September 2001	Presa Valerio Trujano, MX	daily high max	37.8 C (100.0 F)	4.5 C (8.1 F)	40 years	41 of 100 (Notable)
20 September 2001	Williamston 3NE, US	daily rain	51.1 mm (2.0 in)	21.1 mm (0.8 in)	32 years	41 of 100 (Notable)
20 September 2001	Cullendore (Ashglen), AU	daily rain	47.0 mm (1.9 in)	21.3 mm (0.8 in)	42 years	39 of 100 (Notable)
20 September 2001	Kem-Port, RU	daily high max	22.2 C (72.0 F)	4.7 C (8.5 F)	64 years	39 of 100 (Notable)
20 September 2001	Asuncion Nochixtlan, MX	daily high max	32.8 C (91.0 F)	3.9 C (7.0 F)	52 years	38 of 100 (Notable)
20 September 2001	Vardoe, NO	daily high max	16.5 C (61.7 F)	3.1 C (5.6 F)	68 years	38 of 100 (Notable)
20 September 2001	Etla, MX	daily low min	7.8 C (46.0 F)	2.2 C (4.0 F)	78 years	37 of 100 (Notable)
20 September 2001	Gridino, RU	daily high max	23.8 C (74.8 F)	5.3 C (9.5 F)	56 years	37 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 2001

Records set or tied on this calendar date in each year from 1812 to 2001. 2001 had 821 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 2001-09-20: 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 50	636
50 to 100	3
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	1