Weather Records on 23 September 1993

983 weather records were set or tied worldwide on 23 September 1993. Highest significance: Knysna (Tnk), ZA.

Key Facts for 23 September 1993

On 23 September 1993, 983 weather records were set or tied at long-record stations worldwide.
329 were record highs and 314 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 45 monthly and 932 daily.
Knysna (Tnk) set a monthly record daily precipitation of 163.5 mm (6.4 in) on 23 September 1993.
Across 169 earlier years (1793 to 2026) the same calendar date averaged 428 records.

Record Map

983 stations

983 station records on 23 September 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 September 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Knysna (Tnk)	South Africa	Record daily precipitation	163.5 mm (6.4 in)	85 of 100 (Exceptional)
Bergplaats (Bos)	South Africa	Record daily precipitation	172.0 mm (6.8 in)	77 of 100 (Major)
Shelbina	United States	Record daily precipitation	116.3 mm (4.6 in)	77 of 100 (Major)
Genoa	Italy	Record daily precipitation	360.8 mm (14.2 in)	71 of 100 (Major)
Cape St. Francis	South Africa	Record daily precipitation	99.0 mm (3.9 in)	68 of 100 (Major)
Calitzdorp (Dam)	South Africa	Record daily precipitation	52.0 mm (2.0 in)	66 of 100 (Major)
Calitzdorp Pol	South Africa	Record daily precipitation	40.6 mm (1.6 in)	65 of 100 (Major)
Concordia (Bos)	South Africa	Record daily precipitation	230.0 mm (9.1 in)	65 of 100 (Major)
Willowmore	South Africa	Record daily precipitation	29.2 mm (1.1 in)	65 of 100 (Major)
Herold (Pol)	South Africa	Record daily precipitation	138.5 mm (5.5 in)	63 of 100 (Major)
Keurboomsrivier (Bos)	South Africa	Record daily precipitation	188.6 mm (7.4 in)	59 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	115.8 mm (4.6 in)	59 of 100 (Notable)
Oudtshoorn	South Africa	Record daily precipitation	54.5 mm (2.1 in)	58 of 100 (Notable)
East London -Signal STN	South Africa	Record daily precipitation	45.0 mm (1.8 in)	58 of 100 (Notable)
Bloukrans (Bos)	South Africa	Record daily precipitation	128.0 mm (5.0 in)	57 of 100 (Notable)
Lottering (Bos)	South Africa	Record daily precipitation	154.0 mm (6.1 in)	56 of 100 (Notable)
Freedom	United States	Record daily precipitation	130.3 mm (5.1 in)	55 of 100 (Notable)
Zuur Anys	South Africa	Record daily precipitation	68.4 mm (2.7 in)	54 of 100 (Notable)
Jefferson City Wtp	United States	Record daily precipitation	83.8 mm (3.3 in)	54 of 100 (Notable)
Kleinfontein	South Africa	Record daily precipitation	114.0 mm (4.5 in)	53 of 100 (Notable)
Grafton	United States	Record daily precipitation	104.4 mm (4.1 in)	53 of 100 (Notable)
Valley Park	United States	Record daily precipitation	117.9 mm (4.6 in)	53 of 100 (Notable)
Milan	Italy	Record daily precipitation	105.8 mm (4.2 in)	51 of 100 (Notable)
Buffelsklip	South Africa	Record daily precipitation	50.0 mm (2.0 in)	51 of 100 (Notable)
Goudveld (Bos)	South Africa	Record daily precipitation	158.0 mm (6.2 in)	51 of 100 (Notable)
Elsberry 1 S	United States	Record daily precipitation	93.0 mm (3.7 in)	51 of 100 (Notable)
Bastia	France	Record daily precipitation	134.2 mm (5.3 in)	50 of 100 (Notable)
Jonkersberg (Bos)	South Africa	Record daily precipitation	103.0 mm (4.1 in)	50 of 100 (Notable)
Barcelona/Aeropuerto	Spain	Record daily precipitation	134.7 mm (5.3 in)	50 of 100 (Notable)
Grand Twr 2 N	United States	Record daily precipitation	78.7 mm (3.1 in)	50 of 100 (Notable)
Windsor	United States	Record daily precipitation	77.0 mm (3.0 in)	50 of 100 (Notable)
Los Lunas 3 SSW	United States	Record daily precipitation	43.4 mm (1.7 in)	50 of 100 (Notable)
Gin Gin Post Office	Australia	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
Watalgan Winfield Rd	Australia	Record daily precipitation	48.0 mm (1.9 in)	48 of 100 (Notable)
Dzhalal-Abad	Kyrgyzstan	Record daily precipitation	50.0 mm (2.0 in)	48 of 100 (Notable)
Sandhoogte (Pur)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	48 of 100 (Notable)
Matjiesrivier (Skl)	South Africa	Record daily precipitation	54.0 mm (2.1 in)	48 of 100 (Notable)
Pana	United States	Record daily precipitation	75.7 mm (3.0 in)	48 of 100 (Notable)
Jerseyville 2 SW	United States	Record daily precipitation	88.9 mm (3.5 in)	47 of 100 (Notable)
Union	United States	Record daily precipitation	120.7 mm (4.8 in)	47 of 100 (Notable)
Moolboolaman	Australia	Record daily precipitation	54.6 mm (2.1 in)	46 of 100 (Notable)
Humansdorp (Pol)	South Africa	Record daily precipitation	68.5 mm (2.7 in)	46 of 100 (Notable)
Papane (Bos)	South Africa	Record daily precipitation	47.5 mm (1.9 in)	46 of 100 (Notable)
Warrenton 1 N	United States	Record daily precipitation	112.5 mm (4.4 in)	46 of 100 (Notable)
Hanko Russaro	Finland	Record daily precipitation	42.3 mm (1.7 in)	45 of 100 (Notable)
Clifton	South Africa	Record daily precipitation	43.5 mm (1.7 in)	45 of 100 (Notable)
Madison	United States	Record daily precipitation	95.3 mm (3.8 in)	45 of 100 (Notable)
Capitan	United States	Record daily precipitation	42.2 mm (1.7 in)	45 of 100 (Notable)
Langmorn	Australia	Record daily precipitation	36.6 mm (1.4 in)	44 of 100 (Notable)
Mexico	United States	Record daily precipitation	159.5 mm (6.3 in)	44 of 100 (Notable)
Wateranga	Australia	Record daily precipitation	38.6 mm (1.5 in)	43 of 100 (Notable)
Biggenden Post Office	Australia	Record daily precipitation	47.8 mm (1.9 in)	43 of 100 (Notable)
Suifenhe	China	Record daily precipitation	32.5 mm (1.3 in)	43 of 100 (Notable)
Clermont-Ferrand	France	Record daily precipitation	30.6 mm (1.2 in)	43 of 100 (Notable)
Nouakchott	Mauritania	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Katylga	Russia	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Vandalia	United States	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Louisiana	United States	Record daily precipitation	88.6 mm (3.5 in)	43 of 100 (Notable)
Booyal Central State School	Australia	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Pedro Leopoldo	Brazil	Record daily precipitation	56.0 mm (2.2 in)	42 of 100 (Notable)

Counts by Type and Timescale

983 records

Records set or tied on 23 September 1993 by type: Highest daily maximum 121, Lowest daily maximum 126, Highest daily minimum 208, Lowest daily minimum 188, Heaviest daily rainfall 339, Deepest snow cover 1.

Records on 23 September 1993 by type
Record type	Records
Highest daily maximum	121
Lowest daily maximum	126
Highest daily minimum	208
Lowest daily minimum	188
Heaviest daily rainfall	339
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 23 September 1993 by timescale: all-time 6, monthly 45, daily 932.

How Much Records Were Beaten By

725 broken records

Margins by which the 725 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 266.2. Ties are not counted.

Top 20 by Significance

23 September 1993

Top 20 records on 23 September 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 September 1993	Knysna (Tnk), ZA	monthly rain	163.5 mm (6.4 in)	51.5 mm (2.0 in)	88 years	85 of 100 (Exceptional)
23 September 1993	Bergplaats (Bos), ZA	monthly rain	172.0 mm (6.8 in)	61.0 mm (2.4 in)	68 years	77 of 100 (Major)
23 September 1993	Shelbina, US	daily rain	116.3 mm (4.6 in)	71.8 mm (2.8 in)	91 years	77 of 100 (Major)
23 September 1993	Genoa, IT	daily rain	360.8 mm (14.2 in)	266.2 mm (10.5 in)	72 years	71 of 100 (Major)
23 September 1993	Cape St. Francis, ZA	daily rain	99.0 mm (3.9 in)	68.0 mm (2.7 in)	60 years	68 of 100 (Major)
23 September 1993	Calitzdorp (Dam), ZA	daily rain	52.0 mm (2.0 in)	48.2 mm (1.9 in)	64 years	66 of 100 (Major)
23 September 1993	Calitzdorp Pol, ZA	daily rain	40.6 mm (1.6 in)	26.6 mm (1.0 in)	76 years	65 of 100 (Major)
23 September 1993	Concordia (Bos), ZA	all-time rain	230.0 mm (9.1 in)	24.5 mm (1.0 in)	58 years	65 of 100 (Major)
23 September 1993	Willowmore, ZA	daily rain	29.2 mm (1.1 in)	18.0 mm (0.7 in)	96 years	65 of 100 (Major)
23 September 1993	Herold (Pol), ZA	daily rain	138.5 mm (5.5 in)	116.7 mm (4.6 in)	54 years	63 of 100 (Major)
23 September 1993	Keurboomsrivier (Bos), ZA	monthly rain	188.6 mm (7.4 in)	85.0 mm (3.3 in)	12 years	59 of 100 (Notable)
23 September 1993	Du Quoin 4 SE, US	monthly rain	115.8 mm (4.6 in)	35.5 mm (1.4 in)	44 years	59 of 100 (Notable)
23 September 1993	Oudtshoorn, ZA	monthly rain	54.5 mm (2.1 in)	6.2 mm (0.24 in)	108 years	58 of 100 (Notable)
23 September 1993	East London -Signal STN, ZA	daily rain	45.0 mm (1.8 in)	32.8 mm (1.3 in)	74 years	58 of 100 (Notable)
23 September 1993	Bloukrans (Bos), ZA	daily rain	128.0 mm (5.0 in)	100.5 mm (4.0 in)	24 years	57 of 100 (Notable)
23 September 1993	Lottering (Bos), ZA	daily rain	154.0 mm (6.1 in)	116.5 mm (4.6 in)	24 years	56 of 100 (Notable)
23 September 1993	Freedom, US	monthly rain	130.3 mm (5.1 in)	57.9 mm (2.3 in)	9 years	55 of 100 (Notable)
23 September 1993	Zuur Anys, ZA	daily rain	68.4 mm (2.7 in)	40.7 mm (1.6 in)	60 years	54 of 100 (Notable)
23 September 1993	Jefferson City Wtp, US	daily rain	83.8 mm (3.3 in)	40.6 mm (1.6 in)	60 years	54 of 100 (Notable)
23 September 1993	Kleinfontein, ZA	monthly rain	114.0 mm (4.5 in)	31.5 mm (1.2 in)	29 years	53 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 1993

Records set or tied on this calendar date in each year from 1793 to 1993. 1993 had 983 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 1993-09-23: 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 50	708
50 to 100	11
100 to 150	5
150 to 200	0
200 to 250	0
250 to 300	1