Weather Records on 17 September 1993

950 weather records were set or tied worldwide on 17 September 1993. Highest significance: Kisinev, MD.

Key Facts for 17 September 1993

On 17 September 1993, 950 weather records were set or tied at long-record stations worldwide.
163 were record highs and 611 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 19 monthly and 931 daily.
Kisinev set a monthly record daily precipitation of 102.1 mm (4.0 in) on 17 September 1993.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 420 records.

Record Map

950 stations

950 station records on 17 September 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kisinev	Moldova	Record daily precipitation	102.1 mm (4.0 in)	61 of 100 (Major)
Ze da Rosa	Brazil	Record daily precipitation	79.6 mm (3.1 in)	59 of 100 (Notable)
Campi	Portugal	Record daily precipitation	78.0 mm (3.1 in)	55 of 100 (Notable)
Slana	United States	Record daily snowfall	19.8 cm (7.8 in)	52 of 100 (Notable)
Paisley	United States	Record daily precipitation	32.3 mm (1.3 in)	51 of 100 (Notable)
Tranebjerg	Denmark	Record low maximum temperature	9.2 C (48.6 F)	49 of 100 (Notable)
Vestervig	Denmark	Record low maximum temperature	9.7 C (49.5 F)	48 of 100 (Notable)
Kirchdorf/Poel	Germany	Record low maximum temperature	9.8 C (49.6 F)	48 of 100 (Notable)
Ascencion (Smn)	Mexico	Record low minimum temperature	5.0 C (41.0 F)	48 of 100 (Notable)
Clover Valley	United States	Record low maximum temperature	11.7 C (53.1 F)	48 of 100 (Notable)
Hopelchen	Mexico	Record daily precipitation	108.0 mm (4.3 in)	47 of 100 (Notable)
Xingren	China	Record daily precipitation	112.1 mm (4.4 in)	46 of 100 (Notable)
Lake Providence	United States	Record low maximum temperature	18.3 C (64.9 F)	45 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record low maximum temperature	10.5 C (50.9 F)	44 of 100 (Notable)
Tartu	Estonia	Record low maximum temperature	6.0 C (42.8 F)	44 of 100 (Notable)
Prachuap Khiri Khan	Thailand	Record daily precipitation	102.1 mm (4.0 in)	44 of 100 (Notable)
Berlin-Dahlem	Germany	Record low maximum temperature	11.2 C (52.2 F)	43 of 100 (Notable)
Alatyr'	Russia	Record daily precipitation	25.9 mm (1.0 in)	43 of 100 (Notable)
Aguiar da Beira	Portugal	Record daily precipitation	79.0 mm (3.1 in)	42 of 100 (Notable)
Ra-Iz	Russia	Record daily precipitation	72.7 mm (2.9 in)	42 of 100 (Notable)
Pentagna	Brazil	Record daily precipitation	45.0 mm (1.8 in)	41 of 100 (Notable)
Bowling Green Wwtp	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Cabbage Tree Creek	Australia	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Yangjiang	China	Record daily precipitation	102.3 mm (4.0 in)	40 of 100 (Notable)
Magadan	Russia	Record daily precipitation	41.3 mm (1.6 in)	40 of 100 (Notable)
Lagunillas	Mexico	Record low minimum temperature	10.0 C (50.0 F)	39 of 100 (Notable)
Mena	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Newport	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Hopkinsville	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Beloit	United States	Record low maximum temperature	14.4 C (57.9 F)	39 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record low minimum temperature	1.1 C (34.0 F)	39 of 100 (Notable)
Caninde	Brazil	Record daily precipitation	48.0 mm (1.9 in)	38 of 100 (Notable)
Songpan	China	Record daily precipitation	28.6 mm (1.1 in)	38 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record low maximum temperature	7.9 C (46.2 F)	38 of 100 (Notable)
Mascota (Dge)	Mexico	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Dorado 2 WNW	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Ola	Russia	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Arkadelphia 2 N	United States	Record low minimum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
Mio Hydro Plt	United States	Record low maximum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Tanquian de Escobedo	Mexico	Record low minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Elgin Water	United States	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Lenoir	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Howard	United States	Record low maximum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Chetumal (Dge)	Mexico	Record daily precipitation	133.1 mm (5.2 in)	35 of 100 (Notable)
Tenosique (Smn)	Mexico	Record daily precipitation	117.6 mm (4.6 in)	35 of 100 (Notable)
Roros	Norway	Record low minimum temperature	-8.5 C (16.7 F)	35 of 100 (Notable)
Lebanon	United States	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Nazare Paulista	Brazil	Record daily precipitation	48.6 mm (1.9 in)	34 of 100 (Routine)
Oksoey Fyr	Norway	Record low minimum temperature	4.9 C (40.8 F)	34 of 100 (Routine)
Rio Piedras Exp STN	Puerto Rico [United States]	Record low minimum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Mojave	United States	Record low maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Tihosuco	Mexico	Record daily precipitation	91.9 mm (3.6 in)	33 of 100 (Routine)
Chanchichimila	Mexico	Record low maximum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Faerder Fyr	Norway	Record low minimum temperature	6.6 C (43.9 F)	33 of 100 (Routine)
Wilmington Porter Rsch	United States	Record daily precipitation	50.0 mm (2.0 in)	33 of 100 (Routine)
Carmel	United States	Record low maximum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Mandan Exp STN	United States	Record low minimum temperature	-2.2 C (28.0 F)	33 of 100 (Routine)
Chetumal (Dge)	Mexico	Record low maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Lajas Substn	Puerto Rico [United States]	Record low minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Gaddede	Sweden	Record low minimum temperature	-5.5 C (22.1 F)	32 of 100 (Routine)

Counts by Type and Timescale

950 records

Records set or tied on 17 September 1993 by type: Highest daily maximum 66, Lowest daily maximum 374, Highest daily minimum 97, Lowest daily minimum 237, Heaviest daily rainfall 173, Heaviest daily snowfall 3.

Records on 17 September 1993 by type
Record type	Records
Highest daily maximum	66
Lowest daily maximum	374
Highest daily minimum	97
Lowest daily minimum	237
Heaviest daily rainfall	173
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 17 September 1993 by timescale: all-time 0, monthly 19, daily 931.

How Much Records Were Beaten By

754 broken records

Margins by which the 754 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 198.0. Ties are not counted.

Top 20 by Significance

17 September 1993

Top 20 records on 17 September 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1993	Kisinev, MD	monthly rain	102.1 mm (4.0 in)	39.7 mm (1.6 in)	5 years	61 of 100 (Major)
17 September 1993	Ze da Rosa, BR	daily rain	79.6 mm (3.1 in)	58.2 mm (2.3 in)	48 years	59 of 100 (Notable)
17 September 1993	Campi, PT	daily rain	78.0 mm (3.1 in)	57.0 mm (2.2 in)	32 years	55 of 100 (Notable)
17 September 1993	Slana, US	daily snowfall	19.8 cm (7.8 in)	19.8 cm (7.8 in)	36 years	52 of 100 (Notable)
17 September 1993	Paisley, US	monthly rain	32.3 mm (1.3 in)	3.1 mm (0.12 in)	85 years	51 of 100 (Notable)
17 September 1993	Tranebjerg, DK	daily low max	9.2 C (48.6 F)	2.5 C (4.5 F)	115 years	49 of 100 (Notable)
17 September 1993	Vestervig, DK	daily low max	9.7 C (49.5 F)	2.2 C (4.0 F)	115 years	48 of 100 (Notable)
17 September 1993	Kirchdorf/Poel, DE	daily low max	9.8 C (49.6 F)	2.7 C (4.9 F)	103 years	48 of 100 (Notable)
17 September 1993	Ascencion (Smn), MX	daily low min	5.0 C (41.0 F)	3.9 C (7.0 F)	90 years	48 of 100 (Notable)
17 September 1993	Clover Valley, US	daily low max	11.7 C (53.1 F)	6.6 C (11.9 F)	88 years	48 of 100 (Notable)
17 September 1993	Hopelchen, MX	daily rain	108.0 mm (4.3 in)	74.2 mm (2.9 in)	26 years	47 of 100 (Notable)
17 September 1993	Xingren, CN	daily rain	112.1 mm (4.4 in)	84.5 mm (3.3 in)	8 years	46 of 100 (Notable)
17 September 1993	Lake Providence, US	daily low max	18.3 C (64.9 F)	2.8 C (5.0 F)	96 years	45 of 100 (Notable)
17 September 1993	Koebenhavn: Landbohojskolen-1, DK	daily low max	10.5 C (50.9 F)	1.3 C (2.3 F)	115 years	44 of 100 (Notable)
17 September 1993	Tartu, EE	daily low max	6.0 C (42.8 F)	2.1 C (3.8 F)	98 years	44 of 100 (Notable)
17 September 1993	Prachuap Khiri Khan, TH	monthly rain	102.1 mm (4.0 in)	21.3 mm (0.8 in)	26 years	44 of 100 (Notable)
17 September 1993	Berlin-Dahlem, DE	daily low max	11.2 C (52.2 F)	1.3 C (2.3 F)	103 years	43 of 100 (Notable)
17 September 1993	Alatyr', RU	daily rain	25.9 mm (1.0 in)	17.5 mm (0.7 in)	11 years	43 of 100 (Notable)
17 September 1993	Aguiar da Beira, PT	daily rain	79.0 mm (3.1 in)	24.0 mm (0.9 in)	56 years	42 of 100 (Notable)
17 September 1993	Ra-Iz, RU	daily rain	72.7 mm (2.9 in)	22.1 mm (0.9 in)	30 years	42 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

1796 to 1993

Records set or tied on this calendar date in each year from 1796 to 1993. 1993 had 950 records.

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

Records on 09-17 in each year
Year	Records
1796	1
1797	1
1805	1
1833	1
1834	1
1837	2
1845	1
1847	3
1848	1
1850	1
1851	2
1853	2
1854	2
1859	1
1862	1
1867	1
1870	1
1871	1
1872	1
1873	1
1874	1
1875	1
1877	1
1881	1
1882	2
1884	3
1885	3
1886	6
1888	2
1889	8
1891	1
1893	3
1894	1
1895	4
1896	9
1897	4
1898	7
1899	1
1900	4
1901	5
1902	5
1903	28
1904	2
1905	17
1906	10
1907	15
1908	13
1909	7
1910	38
1911	15
1912	17
1913	28
1914	38
1915	48
1916	40
1917	255
1918	41
1919	21
1920	40
1921	66
1922	47
1923	159
1924	80
1925	338
1926	154
1927	420
1928	78
1929	168
1930	147
1931	564
1932	425
1933	415
1934	246
1935	321
1936	219
1937	463
1938	363
1939	294
1940	326
1941	328
1942	581
1943	513
1944	403
1945	614
1946	620
1947	680
1948	630
1949	292
1950	412
1951	359
1952	263
1953	344
1954	449
1955	649
1956	437
1957	405
1958	806
1959	1,210
1960	385
1961	657
1962	432
1963	297
1964	559
1965	1,394
1966	523
1967	331
1968	691
1969	352
1970	412
1971	898
1972	556
1973	638
1974	491
1975	478
1976	636
1977	641
1978	764
1979	804
1980	794
1981	1,155
1982	606
1983	862
1984	1,006
1985	448
1986	1,314
1987	926
1988	982
1989	863
1990	650
1991	1,407
1992	686
1993	950
1994	986
1995	1,145
1996	1,342
1997	1,057
1998	1,137
1999	1,102
2000	1,318
2001	895
2002	1,025
2003	586
2004	872
2005	1,042
2006	1,344
2007	752
2008	886
2009	871
2010	907
2011	1,116
2012	597
2013	1,253
2014	571
2015	953
2016	707
2017	455
2018	899
2019	774
2020	651
2021	345
2022	313
2023	646
2024	954
2025	634
2026	968

Download the Data

Data for records on 1993-09-17: 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 25	731
25 to 50	17
50 to 75	3
75 to 100	2
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1