Weather Records on 23 September 2001

790 weather records were set or tied worldwide on 23 September 2001. Highest significance: Illalangi, AU.

Key Facts for 23 September 2001

On 23 September 2001, 790 weather records were set or tied at long-record stations worldwide.
414 were record highs and 113 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 29 monthly and 761 daily.
Illalangi set a daily record precipitation of 39.0 mm (1.5 in) on 23 September 2001.
Across 169 earlier years (1793 to 2026) the same calendar date averaged 429 records.

Record Map

790 stations

790 station records on 23 September 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 September 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Illalangi	Australia	Record daily precipitation	39.0 mm (1.5 in)	57 of 100 (Notable)
Fairmont	United States	Record daily precipitation	67.1 mm (2.6 in)	56 of 100 (Notable)
Beaver Is	United States	Record daily precipitation	52.1 mm (2.1 in)	55 of 100 (Notable)
Robe Comparison	Australia	Record high maximum temperature	26.6 C (79.9 F)	53 of 100 (Notable)
Wereroa	Australia	Record daily precipitation	41.0 mm (1.6 in)	52 of 100 (Notable)
Latrobe (Coal Road)	Australia	Record daily precipitation	46.0 mm (1.8 in)	50 of 100 (Notable)
Suchiate	Mexico	Record low minimum temperature	17.2 C (63.0 F)	49 of 100 (Notable)
Guadalupe Buenavista	Mexico	Record daily precipitation	38.6 mm (1.5 in)	49 of 100 (Notable)
Alpena Wwtp	United States	Record daily precipitation	40.4 mm (1.6 in)	49 of 100 (Notable)
Cuatro Cienegas (Smn)	Mexico	Record daily precipitation	59.9 mm (2.4 in)	48 of 100 (Notable)
El Cuyo	Mexico	Record daily precipitation	68.3 mm (2.7 in)	46 of 100 (Notable)
Barrett Meadows	Australia	Record daily precipitation	30.4 mm (1.2 in)	45 of 100 (Notable)
Coyutla (Cfe)	Mexico	Record daily precipitation	170.9 mm (6.7 in)	45 of 100 (Notable)
Bent Creek	United States	Record daily precipitation	105.2 mm (4.1 in)	45 of 100 (Notable)
Midville Exp STN	United States	Record daily precipitation	71.4 mm (2.8 in)	44 of 100 (Notable)
Alpena Co Rgnl AP	United States	Record daily precipitation	31.2 mm (1.2 in)	43 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record high minimum temperature	18.5 C (65.3 F)	42 of 100 (Notable)
Ludington 4 SE	United States	Record daily precipitation	34.8 mm (1.4 in)	42 of 100 (Notable)
Burnet	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Kyancutta	Australia	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Owatonna	United States	Record daily precipitation	72.4 mm (2.9 in)	41 of 100 (Notable)
Sheboygan	United States	Record daily precipitation	26.9 mm (1.1 in)	41 of 100 (Notable)
Salem AP (McNary Field)	United States	Record high minimum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Mount Gambier Post Office	Australia	Record high maximum temperature	28.1 C (82.6 F)	40 of 100 (Notable)
Lakin	United States	Record high maximum temperature	35.6 C (96.1 F)	40 of 100 (Notable)
Manhattan	United States	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Alta	United States	Record high maximum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Heber	United States	Record high maximum temperature	32.2 C (90.0 F)	40 of 100 (Notable)
Grangeville	United States	Record high maximum temperature	32.8 C (91.0 F)	39 of 100 (Notable)
Pellston Rgnl AP	United States	Record daily precipitation	42.2 mm (1.7 in)	39 of 100 (Notable)
Lanesboro	United States	Record daily precipitation	41.9 mm (1.6 in)	38 of 100 (Notable)
West Bend	United States	Record daily precipitation	35.8 mm (1.4 in)	38 of 100 (Notable)
Ekimchan	Russia	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
Colville	United States	Record high maximum temperature	34.4 C (93.9 F)	37 of 100 (Notable)
Albany Airport	Australia	Record daily precipitation	26.0 mm (1.0 in)	36 of 100 (Notable)
Zacapu (Smn)	Mexico	Record daily precipitation	42.2 mm (1.7 in)	36 of 100 (Notable)
Harmony	United States	Record daily precipitation	49.3 mm (1.9 in)	36 of 100 (Notable)
Saint Bernard	United States	Record high minimum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Miami	United States	Record high maximum temperature	39.4 C (102.9 F)	35 of 100 (Notable)
Grand Meadow	United States	Record daily precipitation	49.0 mm (1.9 in)	35 of 100 (Notable)
Comondu	Mexico	Record low minimum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Nenastnaja	Russia	Record daily precipitation	54.4 mm (2.1 in)	34 of 100 (Routine)
Windermere (Acacia House)	Australia	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
La Paz (Dge)	Mexico	Record high maximum temperature	38.9 C (102.0 F)	33 of 100 (Routine)
Apatzingan (Smn)	Mexico	Record high maximum temperature	38.3 C (100.9 F)	33 of 100 (Routine)
Redmond	Australia	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Vojsko	Slovenia	Record daily precipitation	138.0 mm (5.4 in)	32 of 100 (Routine)
Tiree	United Kingdom	Record low minimum temperature	0.0 C (32.0 F)	32 of 100 (Routine)
Cabezones	Mexico	Record daily precipitation	148.6 mm (5.9 in)	31 of 100 (Routine)
Preston	United States	Record daily precipitation	51.8 mm (2.0 in)	31 of 100 (Routine)
Tremonton	United States	Record high maximum temperature	31.1 C (88.0 F)	31 of 100 (Routine)
Sendai	Japan	Record low minimum temperature	8.6 C (47.5 F)	30 of 100 (Routine)
Palizada	Mexico	Record low minimum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Wickenburg	United States	Record high maximum temperature	41.7 C (107.1 F)	30 of 100 (Routine)
Decorah	United States	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Albert Lea 3SE	United States	Record daily precipitation	40.9 mm (1.6 in)	30 of 100 (Routine)
Mount Gambier Aero	Australia	Record high maximum temperature	28.1 C (82.6 F)	29 of 100 (Routine)
San Marcos	Mexico	Record low minimum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Atlanga San Jose	Mexico	Record daily precipitation	45.0 mm (1.8 in)	29 of 100 (Routine)
Saentis	Switzerland	Record snow depth	90.0 cm (35.4 in)	29 of 100 (Routine)

Counts by Type and Timescale

790 records

Records set or tied on 23 September 2001 by type: Highest daily maximum 270, Lowest daily maximum 42, Highest daily minimum 144, Lowest daily minimum 71, Heaviest daily rainfall 262, Deepest snow cover 1.

Records on 23 September 2001 by type
Record type	Records
Highest daily maximum	270
Lowest daily maximum	42
Highest daily minimum	144
Lowest daily minimum	71
Heaviest daily rainfall	262
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 23 September 2001 by timescale: all-time 0, monthly 29, daily 761.

How Much Records Were Beaten By

625 broken records

Margins by which the 625 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 500.0. Ties are not counted.

Top 20 by Significance

23 September 2001

Top 20 records on 23 September 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 September 2001	Illalangi, AU	daily rain	39.0 mm (1.5 in)	19.2 mm (0.8 in)	78 years	57 of 100 (Notable)
23 September 2001	Fairmont, US	daily rain	67.1 mm (2.6 in)	27.7 mm (1.1 in)	91 years	56 of 100 (Notable)
23 September 2001	Beaver Is, US	daily rain	52.1 mm (2.1 in)	21.6 mm (0.9 in)	82 years	55 of 100 (Notable)
23 September 2001	Robe Comparison, AU	monthly high max	26.6 C (79.9 F)	0.8 C (1.4 F)	113 years	53 of 100 (Notable)
23 September 2001	Wereroa, AU	daily rain	41.0 mm (1.6 in)	27.0 mm (1.1 in)	32 years	52 of 100 (Notable)
23 September 2001	Latrobe (Coal Road), AU	daily rain	46.0 mm (1.8 in)	18.1 mm (0.7 in)	59 years	50 of 100 (Notable)
23 September 2001	Suchiate, MX	daily low min	17.2 C (63.0 F)	2.8 C (5.0 F)	54 years	49 of 100 (Notable)
23 September 2001	Guadalupe Buenavista, MX	daily rain	38.6 mm (1.5 in)	26.2 mm (1.0 in)	34 years	49 of 100 (Notable)
23 September 2001	Alpena Wwtp, US	daily rain	40.4 mm (1.6 in)	30.2 mm (1.2 in)	36 years	49 of 100 (Notable)
23 September 2001	Cuatro Cienegas (Smn), MX	daily rain	59.9 mm (2.4 in)	38.1 mm (1.5 in)	23 years	48 of 100 (Notable)
23 September 2001	El Cuyo, MX	daily rain	68.3 mm (2.7 in)	45.9 mm (1.8 in)	30 years	46 of 100 (Notable)
23 September 2001	Barrett Meadows, AU	daily rain	30.4 mm (1.2 in)	9.3 mm (0.37 in)	78 years	45 of 100 (Notable)
23 September 2001	Coyutla (Cfe), MX	daily rain	170.9 mm (6.7 in)	91.1 mm (3.6 in)	34 years	45 of 100 (Notable)
23 September 2001	Bent Creek, US	daily rain	105.2 mm (4.1 in)	48.3 mm (1.9 in)	36 years	45 of 100 (Notable)
23 September 2001	Midville Exp STN, US	daily rain	71.4 mm (2.8 in)	70.4 mm (2.8 in)	20 years	44 of 100 (Notable)
23 September 2001	Alpena Co Rgnl AP, US	daily rain	31.2 mm (1.2 in)	12.7 mm (0.5 in)	75 years	43 of 100 (Notable)
23 September 2001	Deniliquin (Wilkinson St), AU	daily high min	18.5 C (65.3 F)	1.8 C (3.2 F)	94 years	42 of 100 (Notable)
23 September 2001	Ludington 4 SE, US	daily rain	34.8 mm (1.4 in)	3.3 mm (0.13 in)	102 years	42 of 100 (Notable)
23 September 2001	Burnet, US	daily high min	24.4 C (75.9 F)	1.1 C (2.0 F)	100 years	42 of 100 (Notable)
23 September 2001	Kyancutta, AU	daily high min	20.0 C (68.0 F)	5.5 C (9.9 F)	70 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

1793 to 2001

Records set or tied on this calendar date in each year from 1793 to 2001. 2001 had 790 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 2001-09-23: 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 100	624
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1