Weather Records on 23 September 1990

702 weather records were set or tied worldwide on 23 September 1990. Highest significance: Hillsboro, US.

Key Facts for 23 September 1990

On 23 September 1990, 702 weather records were set or tied at long-record stations worldwide.
226 were record highs and 228 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 16 monthly and 684 daily.
Hillsboro set a daily record precipitation of 71.4 mm (2.8 in) on 23 September 1990.
Across 169 earlier years (1793 to 2026) the same calendar date averaged 430 records.

Record Map

702 stations

702 station records on 23 September 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 September 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hillsboro	United States	Record daily precipitation	71.4 mm (2.8 in)	74 of 100 (Major)
Caballo Dam	United States	Record daily precipitation	100.6 mm (4.0 in)	63 of 100 (Major)
De Haukes	Netherlands	Record daily precipitation	57.1 mm (2.2 in)	56 of 100 (Notable)
Magdalena	United States	Record daily precipitation	42.9 mm (1.7 in)	53 of 100 (Notable)
Nancheng	China	Record daily precipitation	123.5 mm (4.9 in)	52 of 100 (Notable)
San Simon	United States	Record daily precipitation	36.8 mm (1.4 in)	50 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	26.7 C (80.1 F)	50 of 100 (Notable)
Francisco Castellanos	Mexico	Record daily precipitation	149.9 mm (5.9 in)	46 of 100 (Notable)
Puente Colgante	Mexico	Record high minimum temperature	26.7 C (80.1 F)	44 of 100 (Notable)
Anna Paulowna	Netherlands	Record daily precipitation	62.4 mm (2.5 in)	44 of 100 (Notable)
Schagen	Netherlands	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Den Helder-1	Netherlands	Record daily precipitation	37.8 mm (1.5 in)	44 of 100 (Notable)
Clifton	United States	Record low maximum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Pony	United States	Record high minimum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Osmond	United States	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Harrington (Oxley Anchorage Ca	Australia	Record daily precipitation	44.6 mm (1.8 in)	42 of 100 (Notable)
Kreileroord	Netherlands	Record daily precipitation	26.2 mm (1.0 in)	42 of 100 (Notable)
Podor	Senegal	Record high minimum temperature	28.0 C (82.4 F)	42 of 100 (Notable)
Sneek	Netherlands	Record daily precipitation	31.3 mm (1.2 in)	41 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record low maximum temperature	8.1 C (46.6 F)	41 of 100 (Notable)
Safford Ag Ctr	United States	Record daily precipitation	28.4 mm (1.1 in)	41 of 100 (Notable)
Clarksville Wwtp	United States	Record low maximum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Snowville	United States	Record high minimum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Den Oever	Netherlands	Record daily precipitation	47.9 mm (1.9 in)	40 of 100 (Notable)
Middleboro	United States	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Villa de Chiapilla	Mexico	Record daily precipitation	91.9 mm (3.6 in)	39 of 100 (Notable)
Ignacio Lopez Rayon	Mexico	Record low minimum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Winnemucca AP	United States	Record high minimum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Zhijiang	China	Record daily precipitation	40.8 mm (1.6 in)	38 of 100 (Notable)
Callantsoog	Netherlands	Record daily precipitation	39.7 mm (1.6 in)	38 of 100 (Notable)
Babaevo	Russia	Record daily precipitation	32.1 mm (1.3 in)	38 of 100 (Notable)
Greenport Pwr House	United States	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)
Rogersville 1 NE	United States	Record low maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Opaeula 870	United States	Record high minimum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Nanchang	China	Record daily precipitation	72.5 mm (2.9 in)	37 of 100 (Notable)
Sion 2	Switzerland	Record daily precipitation	33.4 mm (1.3 in)	37 of 100 (Notable)
Centralia	United States	Record high minimum temperature	13.9 C (57.0 F)	37 of 100 (Notable)
Bijie	China	Record daily precipitation	36.5 mm (1.4 in)	36 of 100 (Notable)
Alpine	United States	Record daily precipitation	34.5 mm (1.4 in)	36 of 100 (Notable)
E Wareham	United States	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Gaylord	United States	Record low maximum temperature	7.8 C (46.0 F)	36 of 100 (Notable)
Wrixum/Fohr	Germany	Record daily precipitation	27.4 mm (1.1 in)	35 of 100 (Notable)
St Petersburg	United States	Record high minimum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Rayones	Mexico	Record daily precipitation	81.8 mm (3.2 in)	34 of 100 (Routine)
Dulce	United States	Record high minimum temperature	11.1 C (52.0 F)	34 of 100 (Routine)
Lugano	Switzerland	Record daily precipitation	77.7 mm (3.1 in)	33 of 100 (Routine)
Waverly	United States	Record low maximum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Alvin	United States	Record high maximum temperature	33.9 C (93.0 F)	33 of 100 (Routine)
Leeuwarden_1	Netherlands	Record daily precipitation	28.9 mm (1.1 in)	32 of 100 (Routine)
Iaeger 1SW	United States	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Dongtai	China	Record daily precipitation	84.5 mm (3.3 in)	31 of 100 (Routine)
Tenosique (Smn)	Mexico	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Buxton	United Kingdom	Record low maximum temperature	8.2 C (46.8 F)	31 of 100 (Routine)
Stavoren_1	Netherlands	Record daily precipitation	40.3 mm (1.6 in)	30 of 100 (Routine)
Onor	Russia	Record daily precipitation	34.6 mm (1.4 in)	30 of 100 (Routine)
Yemassee 1 N	United States	Record high maximum temperature	35.6 C (96.1 F)	30 of 100 (Routine)
Rinconada	Mexico	Record high minimum temperature	25.0 C (77.0 F)	29 of 100 (Routine)
Petten	Netherlands	Record daily precipitation	43.6 mm (1.7 in)	29 of 100 (Routine)
Summerville 4W	United States	Record high maximum temperature	36.1 C (97.0 F)	29 of 100 (Routine)
Leavenworth 3 S	United States	Record high maximum temperature	34.4 C (93.9 F)	29 of 100 (Routine)

Counts by Type and Timescale

702 records

Records set or tied on 23 September 1990 by type: Highest daily maximum 99, Lowest daily maximum 144, Highest daily minimum 127, Lowest daily minimum 84, Heaviest daily rainfall 246, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 23 September 1990 by type
Record type	Records
Highest daily maximum	99
Lowest daily maximum	144
Highest daily minimum	127
Lowest daily minimum	84
Heaviest daily rainfall	246
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 23 September 1990 by timescale: all-time 2, monthly 16, daily 684.

How Much Records Were Beaten By

545 broken records

Margins by which the 545 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 109.5. Ties are not counted.

Top 20 by Significance

23 September 1990

Top 20 records on 23 September 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 September 1990	Hillsboro, US	daily rain	71.4 mm (2.8 in)	50.6 mm (2.0 in)	84 years	74 of 100 (Major)
23 September 1990	Caballo Dam, US	all-time rain	100.6 mm (4.0 in)	32.0 mm (1.3 in)	9 years	63 of 100 (Major)
23 September 1990	De Haukes, NL	monthly rain	57.1 mm (2.2 in)	22.5 mm (0.9 in)	17 years	56 of 100 (Notable)
23 September 1990	Magdalena, US	daily rain	42.9 mm (1.7 in)	17.5 mm (0.7 in)	76 years	53 of 100 (Notable)
23 September 1990	Nancheng, CN	monthly rain	123.5 mm (4.9 in)	46.4 mm (1.8 in)	6 years	52 of 100 (Notable)
23 September 1990	San Simon, US	monthly rain	36.8 mm (1.4 in)	3.8 mm (0.15 in)	89 years	50 of 100 (Notable)
23 September 1990	Tarpon Spgs Sewage Plt, US	daily high min	26.7 C (80.1 F)	2.3 C (4.1 F)	91 years	50 of 100 (Notable)
23 September 1990	Francisco Castellanos, MX	daily rain	149.9 mm (5.9 in)	109.5 mm (4.3 in)	12 years	46 of 100 (Notable)
23 September 1990	Puente Colgante, MX	daily high min	26.7 C (80.1 F)	3.4 C (6.1 F)	25 years	44 of 100 (Notable)
23 September 1990	Anna Paulowna, NL	all-time rain	62.4 mm (2.5 in)	8.2 mm (0.32 in)	24 years	44 of 100 (Notable)
23 September 1990	Schagen, NL	daily rain	50.8 mm (2.0 in)	41.2 mm (1.6 in)	1 year	44 of 100 (Notable)
23 September 1990	Den Helder-1, NL	daily rain	37.8 mm (1.5 in)	14.0 mm (0.6 in)	36 years	44 of 100 (Notable)
23 September 1990	Clifton, US	daily low max	20.6 C (69.1 F)	6.1 C (11.0 F)	61 years	44 of 100 (Notable)
23 September 1990	Pony, US	daily high min	11.7 C (53.1 F)	2.8 C (5.0 F)	94 years	43 of 100 (Notable)
23 September 1990	Osmond, US	daily rain	48.3 mm (1.9 in)	24.2 mm (1.0 in)	56 years	43 of 100 (Notable)
23 September 1990	Harrington (Oxley Anchorage Ca, AU	daily rain	44.6 mm (1.8 in)	16.7 mm (0.7 in)	72 years	42 of 100 (Notable)
23 September 1990	Kreileroord, NL	daily rain	26.2 mm (1.0 in)	15.8 mm (0.6 in)	32 years	42 of 100 (Notable)
23 September 1990	Podor, SN	daily high min	28.0 C (82.4 F)	0.4 C (0.7 F)	130 years	42 of 100 (Notable)
23 September 1990	Sneek, NL	daily rain	31.3 mm (1.2 in)	15.9 mm (0.6 in)	32 years	41 of 100 (Notable)
23 September 1990	Linkoeping-Malmslaett, SE	daily low max	8.1 C (46.6 F)	0.4 C (0.7 F)	103 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 1990

Records set or tied on this calendar date in each year from 1793 to 1990. 1990 had 702 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 1990-09-23: 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	516
20 to 40	20
40 to 60	8
60 to 80	0
80 to 100	0
100 to 120	1