Weather Records on 12 September 1993

798 weather records were set or tied worldwide on 12 September 1993. Highest significance: Shahat, LY.

Key Facts for 12 September 1993

On 12 September 1993, 798 weather records were set or tied at long-record stations worldwide.
179 were record highs and 371 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 24 monthly and 770 daily.
Shahat set a monthly record daily precipitation of 59.9 mm (2.4 in) on 12 September 1993.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 411 records.

Record Map

798 stations

798 station records on 12 September 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Shahat	Libya	Record daily precipitation	59.9 mm (2.4 in)	77 of 100 (Major)
Mandurah Park	Australia	Record daily precipitation	43.0 mm (1.7 in)	63 of 100 (Major)
Wilgarrup	Australia	Record daily precipitation	41.0 mm (1.6 in)	63 of 100 (Major)
Dimbokro	Cote D'Ivoire	Record daily precipitation	218.9 mm (8.6 in)	61 of 100 (Major)
Sheffield	United Kingdom	Record daily precipitation	33.4 mm (1.3 in)	61 of 100 (Major)
Aldervale	Australia	Record daily precipitation	32.0 mm (1.3 in)	58 of 100 (Notable)
Hay (Illilawa)	Australia	Record daily precipitation	26.4 mm (1.0 in)	55 of 100 (Notable)
Xingren	China	Record daily precipitation	133.3 mm (5.2 in)	54 of 100 (Notable)
San Ignacio (Cfe)	Mexico	Record daily precipitation	259.8 mm (10.2 in)	54 of 100 (Notable)
Madill	United States	Record daily precipitation	102.1 mm (4.0 in)	51 of 100 (Notable)
Pericos	Mexico	Record daily precipitation	116.8 mm (4.6 in)	50 of 100 (Notable)
Nottingham: Watnall	United Kingdom	Record daily precipitation	39.4 mm (1.6 in)	50 of 100 (Notable)
El Palmito (Cfe)	Mexico	Record daily precipitation	319.8 mm (12.6 in)	49 of 100 (Notable)
Hurn	United Kingdom	Record daily precipitation	39.7 mm (1.6 in)	48 of 100 (Notable)
Bugt	China	Record daily precipitation	44.9 mm (1.8 in)	47 of 100 (Notable)
Skulte	Latvia	Record daily precipitation	39.9 mm (1.6 in)	47 of 100 (Notable)
Guadalupe Y Calvo (Smn)	Mexico	Record daily precipitation	97.8 mm (3.9 in)	47 of 100 (Notable)
Kwinana Bp Refinery	Australia	Record daily precipitation	32.0 mm (1.3 in)	46 of 100 (Notable)
Nalut	Libya	Record low minimum temperature	8.0 C (46.4 F)	46 of 100 (Notable)
Botosani	Romania	Record daily precipitation	54.8 mm (2.2 in)	46 of 100 (Notable)
Plymouth: Mountbatten	United Kingdom	Record daily precipitation	48.2 mm (1.9 in)	46 of 100 (Notable)
Dardanup East	Australia	Record daily precipitation	29.4 mm (1.2 in)	45 of 100 (Notable)
Cluj Napoca	Romania	Record daily precipitation	34.6 mm (1.4 in)	45 of 100 (Notable)
Tulihe	China	Record daily precipitation	25.7 mm (1.0 in)	44 of 100 (Notable)
Tanquian de Escobedo	Mexico	Record low minimum temperature	15.0 C (59.0 F)	43 of 100 (Notable)
Waroona	Australia	Record daily precipitation	36.6 mm (1.4 in)	42 of 100 (Notable)
Bradford	United Kingdom	Record daily precipitation	33.1 mm (1.3 in)	42 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record low maximum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Bridgetown Comparison	Australia	Record daily precipitation	39.6 mm (1.6 in)	40 of 100 (Notable)
Ft Duchesne	United States	Record high maximum temperature	33.3 C (91.9 F)	40 of 100 (Notable)
Guacui	Brazil	Record daily precipitation	25.3 mm (1.0 in)	39 of 100 (Notable)
Chiang Mai	Thailand	Record daily precipitation	102.1 mm (4.0 in)	38 of 100 (Notable)
Laurens	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Guarapari (Dnos)	Brazil	Record daily precipitation	45.0 mm (1.8 in)	37 of 100 (Notable)
Yornup	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Tartu-Toravere	Estonia	Record low minimum temperature	-0.6 C (30.9 F)	36 of 100 (Notable)
Everton	United Kingdom	Record daily precipitation	29.9 mm (1.2 in)	36 of 100 (Notable)
Voznesensk	Ukraine	Record daily precipitation	160.0 mm (6.3 in)	36 of 100 (Notable)
Casa Grande	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Don Muang	Thailand	Record daily precipitation	102.1 mm (4.0 in)	35 of 100 (Notable)
Princess Anne	United States	Record low minimum temperature	2.2 C (36.0 F)	35 of 100 (Notable)
Marriwood	Australia	Record daily precipitation	28.8 mm (1.1 in)	34 of 100 (Routine)
Sibiu	Romania	Record daily precipitation	42.2 mm (1.7 in)	34 of 100 (Routine)
Woodstock 2 NE	United States	Record low minimum temperature	0.6 C (33.1 F)	34 of 100 (Routine)
Anchieta (Dnos)	Brazil	Record daily precipitation	33.5 mm (1.3 in)	33 of 100 (Routine)
Hailun	China	Record daily precipitation	35.9 mm (1.4 in)	33 of 100 (Routine)
Charcas	Mexico	Record daily precipitation	39.4 mm (1.6 in)	33 of 100 (Routine)
San Luis de la Paz	Mexico	Record daily precipitation	85.9 mm (3.4 in)	33 of 100 (Routine)
Dzaore	Russia	Record low minimum temperature	-0.5 C (31.1 F)	33 of 100 (Routine)
Warsop	United Kingdom	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Leckford	United Kingdom	Record daily precipitation	26.3 mm (1.0 in)	33 of 100 (Routine)
Buena Vista 2S	United States	Record low minimum temperature	-3.9 C (25.0 F)	33 of 100 (Routine)
Farmland 5 NNW	United States	Record low minimum temperature	3.3 C (37.9 F)	33 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	8.3 C (46.9 F)	33 of 100 (Routine)
Upata	Venezuela	Record daily precipitation	41.4 mm (1.6 in)	33 of 100 (Routine)
Parkfield	Australia	Record daily precipitation	27.2 mm (1.1 in)	32 of 100 (Routine)
Jacigua (Dnos)	Brazil	Record daily precipitation	46.0 mm (1.8 in)	32 of 100 (Routine)
El Molino	Mexico	Record daily precipitation	25.7 mm (1.0 in)	32 of 100 (Routine)
Istanbul	Turkey	Record high maximum temperature	33.6 C (92.5 F)	32 of 100 (Routine)
Dubois	United States	Record high minimum temperature	7.2 C (45.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

798 records

Records set or tied on 12 September 1993 by type: Highest daily maximum 71, Lowest daily maximum 171, Highest daily minimum 108, Lowest daily minimum 200, Heaviest daily rainfall 244, Heaviest daily snowfall 3, Deepest snow cover 1.

Records on 12 September 1993 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	171
Highest daily minimum	108
Lowest daily minimum	200
Heaviest daily rainfall	244
Heaviest daily snowfall	3
Deepest snow cover	1

Records on 12 September 1993 by timescale: all-time 4, monthly 24, daily 770.

How Much Records Were Beaten By

612 broken records

Margins by which the 612 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 121.6. Ties are not counted.

Top 20 by Significance

12 September 1993

Top 20 records on 12 September 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1993	Shahat, LY	monthly rain	59.9 mm (2.4 in)	29.4 mm (1.2 in)	68 years	77 of 100 (Major)
12 September 1993	Mandurah Park, AU	daily rain	43.0 mm (1.7 in)	19.6 mm (0.8 in)	84 years	63 of 100 (Major)
12 September 1993	Wilgarrup, AU	daily rain	41.0 mm (1.6 in)	20.7 mm (0.8 in)	78 years	63 of 100 (Major)
12 September 1993	Dimbokro, CI	monthly rain	218.9 mm (8.6 in)	121.6 mm (4.8 in)	24 years	61 of 100 (Major)
12 September 1993	Sheffield, GB	daily rain	33.4 mm (1.3 in)	15.9 mm (0.6 in)	82 years	61 of 100 (Major)
12 September 1993	Aldervale, AU	daily rain	32.0 mm (1.3 in)	14.7 mm (0.6 in)	82 years	58 of 100 (Notable)
12 September 1993	Hay (Illilawa), AU	daily rain	26.4 mm (1.0 in)	16.5 mm (0.6 in)	68 years	55 of 100 (Notable)
12 September 1993	Xingren, CN	daily rain	133.3 mm (5.2 in)	80.7 mm (3.2 in)	36 years	54 of 100 (Notable)
12 September 1993	San Ignacio (Cfe), MX	all-time rain	259.8 mm (10.2 in)	44.9 mm (1.8 in)	20 years	54 of 100 (Notable)
12 September 1993	Madill, US	daily rain	102.1 mm (4.0 in)	81.0 mm (3.2 in)	32 years	51 of 100 (Notable)
12 September 1993	Pericos, MX	daily rain	116.8 mm (4.6 in)	88.4 mm (3.5 in)	24 years	50 of 100 (Notable)
12 September 1993	Nottingham: Watnall, GB	daily rain	39.4 mm (1.6 in)	29.4 mm (1.2 in)	24 years	50 of 100 (Notable)
12 September 1993	El Palmito (Cfe), MX	all-time rain	319.8 mm (12.6 in)	34.8 mm (1.4 in)	14 years	49 of 100 (Notable)
12 September 1993	Hurn, GB	daily rain	39.7 mm (1.6 in)	27.2 mm (1.1 in)	28 years	48 of 100 (Notable)
12 September 1993	Bugt, CN	daily rain	44.9 mm (1.8 in)	28.1 mm (1.1 in)	11 years	47 of 100 (Notable)
12 September 1993	Skulte, LV	daily rain	39.9 mm (1.6 in)	21.0 mm (0.8 in)	16 years	47 of 100 (Notable)
12 September 1993	Guadalupe Y Calvo (Smn), MX	monthly rain	97.8 mm (3.9 in)	28.7 mm (1.1 in)	20 years	47 of 100 (Notable)
12 September 1993	Kwinana Bp Refinery, AU	daily rain	32.0 mm (1.3 in)	23.4 mm (0.9 in)	27 years	46 of 100 (Notable)
12 September 1993	Nalut, LY	daily low min	8.0 C (46.4 F)	7.0 C (12.6 F)	54 years	46 of 100 (Notable)
12 September 1993	Botosani, RO	daily rain	54.8 mm (2.2 in)	50.8 mm (2.0 in)	12 years	46 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 798 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1993-09-12: 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	581
20 to 40	23
40 to 60	4
60 to 80	0
80 to 100	3
100 to 120	0
120 to 140	1