Weather Records on 20 September 1993

1,031 weather records were set or tied worldwide on 20 September 1993. Highest significance: Sira, RU.

Key Facts for 20 September 1993

On 20 September 1993, 1,031 weather records were set or tied at long-record stations worldwide.
217 were record highs and 456 were record lows, counting maximum and minimum temperature.
By timescale, 10 were all-time records, 31 monthly and 990 daily.
Sira set a monthly record daily precipitation of 59.9 mm (2.4 in) on 20 September 1993.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 438 records.

Record Map

1,031 stations

1,031 station records on 20 September 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sira	Russia	Record daily precipitation	59.9 mm (2.4 in)	69 of 100 (Major)
Chitradurga	India	Record daily precipitation	132.1 mm (5.2 in)	65 of 100 (Major)
El Doctor	Mexico	Record daily precipitation	127.8 mm (5.0 in)	65 of 100 (Major)
Rayon	Mexico	Record daily precipitation	329.9 mm (13.0 in)	63 of 100 (Major)
Tempoal de Sanchez	Mexico	Record daily precipitation	385.8 mm (15.2 in)	56 of 100 (Notable)
Rennick	Australia	Record daily precipitation	31.4 mm (1.2 in)	55 of 100 (Notable)
San Luis Potosi (Dge)	Mexico	Record daily precipitation	58.9 mm (2.3 in)	55 of 100 (Notable)
Landsborough	Australia	Record daily precipitation	39.0 mm (1.5 in)	54 of 100 (Notable)
Magiscatzin (Dge)	Mexico	Record daily precipitation	161.3 mm (6.4 in)	54 of 100 (Notable)
Korumburra	Australia	Record daily precipitation	37.0 mm (1.5 in)	53 of 100 (Notable)
La Encarnacion	Mexico	Record daily precipitation	162.8 mm (6.4 in)	52 of 100 (Notable)
Plan de Ayala	Mexico	Record daily precipitation	117.9 mm (4.6 in)	52 of 100 (Notable)
Van Staadens (Rsv)	South Africa	Record daily precipitation	92.5 mm (3.6 in)	51 of 100 (Notable)
Stockwell	Australia	Record daily precipitation	28.0 mm (1.1 in)	50 of 100 (Notable)
San Felipe Orizatlan (Smn)	Mexico	Record daily precipitation	240.8 mm (9.5 in)	50 of 100 (Notable)
Palmillas	Mexico	Record daily precipitation	190.0 mm (7.5 in)	50 of 100 (Notable)
San Gabriel	Mexico	Record daily precipitation	214.4 mm (8.4 in)	50 of 100 (Notable)
Rupanyup (Post Office)	Australia	Record daily precipitation	30.4 mm (1.2 in)	49 of 100 (Notable)
Malmsbury Reservoir	Australia	Record daily precipitation	30.2 mm (1.2 in)	49 of 100 (Notable)
Peamiller (Smn)	Mexico	Record daily precipitation	47.5 mm (1.9 in)	48 of 100 (Notable)
Temamatla	Mexico	Record daily precipitation	271.0 mm (10.7 in)	48 of 100 (Notable)
Zaragoza	Mexico	Record daily precipitation	59.9 mm (2.4 in)	48 of 100 (Notable)
Bellavista	Mexico	Record daily precipitation	151.9 mm (6.0 in)	48 of 100 (Notable)
C.E.I. Ciudad Mante	Mexico	Record daily precipitation	150.9 mm (5.9 in)	48 of 100 (Notable)
Guemez	Mexico	Record daily precipitation	134.4 mm (5.3 in)	48 of 100 (Notable)
Santa Trinidad	Mexico	Record daily precipitation	153.9 mm (6.1 in)	48 of 100 (Notable)
Fulton	United States	Record daily precipitation	54.1 mm (2.1 in)	48 of 100 (Notable)
Bridgewater	Australia	Record daily precipitation	45.4 mm (1.8 in)	47 of 100 (Notable)
Gonzalez	Mexico	Record daily precipitation	150.1 mm (5.9 in)	47 of 100 (Notable)
Huoshan	China	Record daily precipitation	70.3 mm (2.8 in)	46 of 100 (Notable)
Rosillo	Mexico	Record daily precipitation	130.8 mm (5.1 in)	46 of 100 (Notable)
Highmore 23 N	United States	Record daily precipitation	49.5 mm (1.9 in)	46 of 100 (Notable)
Kingston SE	Australia	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
St. Petersburg	Russia	Record low minimum temperature	-1.6 C (29.1 F)	45 of 100 (Notable)
San Felipe	Mexico	Record daily precipitation	150.9 mm (5.9 in)	44 of 100 (Notable)
El Higo	Mexico	Record daily precipitation	265.9 mm (10.5 in)	44 of 100 (Notable)
Jefferson City Wtp	United States	Record daily precipitation	63.0 mm (2.5 in)	44 of 100 (Notable)
Birregurra (Post Office)	Australia	Record daily precipitation	34.0 mm (1.3 in)	43 of 100 (Notable)
San Juan del Meco	Mexico	Record daily precipitation	273.8 mm (10.8 in)	43 of 100 (Notable)
Casa Grande Nm	United States	Record low minimum temperature	2.8 C (37.0 F)	43 of 100 (Notable)
Pyalong West (Cavan Park)	Australia	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Camperdown Donalds Hill	Australia	Record daily precipitation	28.8 mm (1.1 in)	42 of 100 (Notable)
Gladstone (Old Post Office)	Australia	Record daily precipitation	27.0 mm (1.1 in)	42 of 100 (Notable)
Bonner Springs	United States	Record daily precipitation	82.8 mm (3.3 in)	42 of 100 (Notable)
Inverloch	Australia	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Coliban Upper	Australia	Record daily precipitation	32.2 mm (1.3 in)	41 of 100 (Notable)
Visby_Flygplats	Sweden	Record low minimum temperature	0.8 C (33.4 F)	41 of 100 (Notable)
Flandreau	United States	Record daily precipitation	44.7 mm (1.8 in)	41 of 100 (Notable)
Griffiss AFB	United States	Record low minimum temperature	-0.6 C (30.9 F)	41 of 100 (Notable)
Ny City Cntrl Park	United States	Record low minimum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Haparanda	Sweden	Record low minimum temperature	-4.4 C (24.1 F)	40 of 100 (Notable)
Pipestone	United States	Record daily precipitation	39.1 mm (1.5 in)	40 of 100 (Notable)
Rayones	Mexico	Record daily precipitation	67.8 mm (2.7 in)	39 of 100 (Notable)
Hermann	United States	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Faulkton	United States	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Vastervik	Sweden	Record low minimum temperature	-0.4 C (31.3 F)	38 of 100 (Notable)
Tracy	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Tewantin Post Office	Australia	Record high maximum temperature	32.1 C (89.8 F)	37 of 100 (Notable)
Villa Juarez	Mexico	Record daily precipitation	152.9 mm (6.0 in)	37 of 100 (Notable)
Clifton City	United States	Record daily precipitation	80.0 mm (3.1 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,031 records

Records set or tied on 20 September 1993 by type: Highest daily maximum 94, Lowest daily maximum 163, Highest daily minimum 123, Lowest daily minimum 293, Heaviest daily rainfall 357, Heaviest daily snowfall 1.

Records on 20 September 1993 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	163
Highest daily minimum	123
Lowest daily minimum	293
Heaviest daily rainfall	357
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 20 September 1993 by timescale: all-time 10, monthly 31, daily 990.

How Much Records Were Beaten By

807 broken records

Margins by which the 807 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 230.9. Ties are not counted.

Top 20 by Significance

20 September 1993

Top 20 records on 20 September 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1993	Sira, RU	monthly rain	59.9 mm (2.4 in)	20.1 mm (0.8 in)	47 years	69 of 100 (Major)
20 September 1993	Chitradurga, IN	monthly rain	132.1 mm (5.2 in)	36.6 mm (1.4 in)	60 years	65 of 100 (Major)
20 September 1993	El Doctor, MX	monthly rain	127.8 mm (5.0 in)	52.9 mm (2.1 in)	37 years	65 of 100 (Major)
20 September 1993	Rayon, MX	all-time rain	329.9 mm (13.0 in)	172.9 mm (6.8 in)	3 years	63 of 100 (Major)
20 September 1993	Tempoal de Sanchez, MX	all-time rain	385.8 mm (15.2 in)	95.2 mm (3.7 in)	3 years	56 of 100 (Notable)
20 September 1993	Rennick, AU	daily rain	31.4 mm (1.2 in)	22.0 mm (0.9 in)	40 years	55 of 100 (Notable)
20 September 1993	San Luis Potosi (Dge), MX	daily rain	58.9 mm (2.3 in)	45.7 mm (1.8 in)	38 years	55 of 100 (Notable)
20 September 1993	Landsborough, AU	daily rain	39.0 mm (1.5 in)	14.4 mm (0.6 in)	78 years	54 of 100 (Notable)
20 September 1993	Magiscatzin (Dge), MX	daily rain	161.3 mm (6.4 in)	109.5 mm (4.3 in)	38 years	54 of 100 (Notable)
20 September 1993	Korumburra, AU	daily rain	37.0 mm (1.5 in)	15.4 mm (0.6 in)	84 years	53 of 100 (Notable)
20 September 1993	La Encarnacion, MX	daily rain	162.8 mm (6.4 in)	139.4 mm (5.5 in)	31 years	52 of 100 (Notable)
20 September 1993	Plan de Ayala, MX	daily rain	117.9 mm (4.6 in)	70.9 mm (2.8 in)	30 years	52 of 100 (Notable)
20 September 1993	Van Staadens (Rsv), ZA	daily rain	92.5 mm (3.6 in)	74.5 mm (2.9 in)	6 years	51 of 100 (Notable)
20 September 1993	Stockwell, AU	daily rain	28.0 mm (1.1 in)	10.7 mm (0.4 in)	70 years	50 of 100 (Notable)
20 September 1993	San Felipe Orizatlan (Smn), MX	daily rain	240.8 mm (9.5 in)	141.0 mm (5.6 in)	19 years	50 of 100 (Notable)
20 September 1993	Palmillas, MX	all-time rain	190.0 mm (7.5 in)	20.1 mm (0.8 in)	26 years	50 of 100 (Notable)
20 September 1993	San Gabriel, MX	all-time rain	214.4 mm (8.4 in)	34.3 mm (1.4 in)	27 years	50 of 100 (Notable)
20 September 1993	Rupanyup (Post Office), AU	daily rain	30.4 mm (1.2 in)	12.1 mm (0.5 in)	68 years	49 of 100 (Notable)
20 September 1993	Malmsbury Reservoir, AU	daily rain	30.2 mm (1.2 in)	11.9 mm (0.5 in)	78 years	49 of 100 (Notable)
20 September 1993	Peamiller (Smn), MX	daily rain	47.5 mm (1.9 in)	33.5 mm (1.3 in)	24 years	48 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 1993

Records set or tied on this calendar date in each year from 1812 to 1993. 1993 had 1,031 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 1993-09-20: 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	780
50 to 100	14
100 to 150	10
150 to 200	2
200 to 250	1