Weather Records on 17 September 1983

862 weather records were set or tied worldwide on 17 September 1983. Highest significance: Gysinge, SE.

Key Facts for 17 September 1983

On 17 September 1983, 862 weather records were set or tied at long-record stations worldwide.
303 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 47 monthly and 814 daily.
Gysinge set a daily record precipitation of 51.4 mm (2.0 in) on 17 September 1983.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 420 records.

Record Map

862 stations

862 station records on 17 September 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gysinge	Sweden	Record daily precipitation	51.4 mm (2.0 in)	78 of 100 (Major)
Falun	Sweden	Record daily precipitation	62.3 mm (2.5 in)	72 of 100 (Major)
Maroochydore Swan Bowls Club	Australia	Record daily precipitation	102.0 mm (4.0 in)	70 of 100 (Major)
Visby_Flygplats	Sweden	Record daily precipitation	31.0 mm (1.2 in)	70 of 100 (Major)
Uppsala_Aut	Sweden	Record daily precipitation	33.9 mm (1.3 in)	63 of 100 (Major)
Finspang	Sweden	Record daily precipitation	32.0 mm (1.3 in)	61 of 100 (Major)
Landsort	Sweden	Record daily precipitation	37.8 mm (1.5 in)	61 of 100 (Major)
Ljunga	Sweden	Record daily precipitation	26.2 mm (1.0 in)	59 of 100 (Notable)
Finch Hatton Cook St	Australia	Record daily precipitation	67.0 mm (2.6 in)	57 of 100 (Notable)
Eumundi - Crescent Rd	Australia	Record daily precipitation	66.0 mm (2.6 in)	56 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily precipitation	55.4 mm (2.2 in)	56 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record daily precipitation	45.0 mm (1.8 in)	55 of 100 (Notable)
Mount Uniacke	Canada	Record daily precipitation	69.0 mm (2.7 in)	54 of 100 (Notable)
Alberga	Sweden	Record daily precipitation	37.7 mm (1.5 in)	54 of 100 (Notable)
Katrineholm_D	Sweden	Record daily precipitation	35.3 mm (1.4 in)	54 of 100 (Notable)
Bergaholm	Sweden	Record daily precipitation	37.1 mm (1.5 in)	54 of 100 (Notable)
Hyndevad	Sweden	Record daily precipitation	41.7 mm (1.6 in)	51 of 100 (Notable)
Offer	Sweden	Record daily precipitation	34.8 mm (1.4 in)	51 of 100 (Notable)
Qu Xian	China	Record daily precipitation	101.3 mm (4.0 in)	50 of 100 (Notable)
Rosta	Sweden	Record daily precipitation	27.4 mm (1.1 in)	50 of 100 (Notable)
Riksten	Sweden	Record daily precipitation	31.5 mm (1.2 in)	49 of 100 (Notable)
Tullinge A	Sweden	Record daily precipitation	31.5 mm (1.2 in)	49 of 100 (Notable)
Taxan	Sweden	Record daily precipitation	28.8 mm (1.1 in)	49 of 100 (Notable)
Whitesand Dam	Canada	Record daily precipitation	35.4 mm (1.4 in)	48 of 100 (Notable)
Jingdezhen	China	Record daily precipitation	117.6 mm (4.6 in)	48 of 100 (Notable)
Oxelosund	Sweden	Record daily precipitation	32.8 mm (1.3 in)	48 of 100 (Notable)
Ultuna	Sweden	Record daily precipitation	31.3 mm (1.2 in)	48 of 100 (Notable)
Ytterberg_D	Sweden	Record daily precipitation	35.1 mm (1.4 in)	48 of 100 (Notable)
Kubbe	Sweden	Record daily precipitation	31.6 mm (1.2 in)	48 of 100 (Notable)
Lovberga_D	Sweden	Record daily precipitation	25.5 mm (1.0 in)	48 of 100 (Notable)
Red Lake Falls	United States	Record daily precipitation	94.2 mm (3.7 in)	48 of 100 (Notable)
Stockholm	Sweden	Record daily precipitation	27.8 mm (1.1 in)	47 of 100 (Notable)
Norrkoping	Sweden	Record daily precipitation	33.5 mm (1.3 in)	46 of 100 (Notable)
Tjarnas	Sweden	Record daily precipitation	47.5 mm (1.9 in)	46 of 100 (Notable)
Nancheng	China	Record daily precipitation	54.9 mm (2.2 in)	45 of 100 (Notable)
Flen	Sweden	Record daily precipitation	37.0 mm (1.5 in)	45 of 100 (Notable)
Junsele	Sweden	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Fredrika	Sweden	Record daily precipitation	36.0 mm (1.4 in)	45 of 100 (Notable)
Mansfield 5 W	United States	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Nynashamn	Sweden	Record daily precipitation	28.3 mm (1.1 in)	44 of 100 (Notable)
Vasterhaninge	Sweden	Record daily precipitation	32.4 mm (1.3 in)	44 of 100 (Notable)
Usina Santa Maria	Brazil	Record daily precipitation	60.8 mm (2.4 in)	43 of 100 (Notable)
Warffum	Netherlands	Record daily precipitation	30.1 mm (1.2 in)	43 of 100 (Notable)
Roma	Sweden	Record daily precipitation	41.4 mm (1.6 in)	43 of 100 (Notable)
Norrkoping-Sorby	Sweden	Record daily precipitation	29.4 mm (1.2 in)	43 of 100 (Notable)
Sveg	Sweden	Record daily precipitation	35.7 mm (1.4 in)	43 of 100 (Notable)
Hede	Sweden	Record daily precipitation	32.5 mm (1.3 in)	43 of 100 (Notable)
Wooster Exp STN	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Szeged	Hungary	Record daily precipitation	36.9 mm (1.5 in)	42 of 100 (Notable)
Kur	Russia	Record daily precipitation	52.7 mm (2.1 in)	42 of 100 (Notable)
Ytterhogdal	Sweden	Record daily precipitation	28.4 mm (1.1 in)	42 of 100 (Notable)
Ratan	Sweden	Record daily precipitation	30.4 mm (1.2 in)	42 of 100 (Notable)
Vallbo	Sweden	Record daily precipitation	33.6 mm (1.3 in)	42 of 100 (Notable)
Ramsele	Sweden	Record daily precipitation	28.5 mm (1.1 in)	42 of 100 (Notable)
Anderson	United States	Record low minimum temperature	5.6 C (42.1 F)	42 of 100 (Notable)
Poprad/Tatry	Slovakia	Record daily precipitation	32.8 mm (1.3 in)	41 of 100 (Notable)
Lannas	Sweden	Record daily precipitation	26.8 mm (1.1 in)	41 of 100 (Notable)
Prescott	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Derry 4 SW	United States	Record daily precipitation	37.6 mm (1.5 in)	41 of 100 (Notable)
Harstena	Sweden	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)

Counts by Type and Timescale

862 records

Records set or tied on 17 September 1983 by type: Highest daily maximum 125, Lowest daily maximum 58, Highest daily minimum 178, Lowest daily minimum 35, Heaviest daily rainfall 461, Heaviest daily snowfall 5.

Records on 17 September 1983 by type
Record type	Records
Highest daily maximum	125
Lowest daily maximum	58
Highest daily minimum	178
Lowest daily minimum	35
Heaviest daily rainfall	461
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 17 September 1983 by timescale: all-time 1, monthly 47, daily 814.

How Much Records Were Beaten By

720 broken records

Margins by which the 720 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 83.8. Ties are not counted.

Top 20 by Significance

17 September 1983

Top 20 records on 17 September 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1983	Gysinge, SE	daily rain	51.4 mm (2.0 in)	29.2 mm (1.1 in)	95 years	78 of 100 (Major)
17 September 1983	Falun, SE	monthly rain	62.3 mm (2.5 in)	17.6 mm (0.7 in)	72 years	72 of 100 (Major)
17 September 1983	Maroochydore Swan Bowls Club, AU	monthly rain	102.0 mm (4.0 in)	44.6 mm (1.8 in)	50 years	70 of 100 (Major)
17 September 1983	Visby_Flygplats, SE	daily rain	31.0 mm (1.2 in)	16.4 mm (0.6 in)	122 years	70 of 100 (Major)
17 September 1983	Uppsala_Aut, SE	daily rain	33.9 mm (1.3 in)	11.7 mm (0.5 in)	142 years	63 of 100 (Major)
17 September 1983	Finspang, SE	daily rain	32.0 mm (1.3 in)	23.0 mm (0.9 in)	36 years	61 of 100 (Major)
17 September 1983	Landsort, SE	daily rain	37.8 mm (1.5 in)	17.8 mm (0.7 in)	60 years	61 of 100 (Major)
17 September 1983	Ljunga, SE	daily rain	26.2 mm (1.0 in)	20.9 mm (0.8 in)	48 years	59 of 100 (Notable)
17 September 1983	Finch Hatton Cook St, AU	daily rain	67.0 mm (2.6 in)	51.5 mm (2.0 in)	52 years	57 of 100 (Notable)
17 September 1983	Eumundi - Crescent Rd, AU	daily rain	66.0 mm (2.6 in)	38.1 mm (1.5 in)	52 years	56 of 100 (Notable)
17 September 1983	Mc Connellsville Lk 7, US	daily rain	55.4 mm (2.2 in)	30.3 mm (1.2 in)	76 years	56 of 100 (Notable)
17 September 1983	Vasteras-Hasslo, SE	daily rain	45.0 mm (1.8 in)	25.5 mm (1.0 in)	18 years	55 of 100 (Notable)
17 September 1983	Mount Uniacke, CA	daily rain	69.0 mm (2.7 in)	43.9 mm (1.7 in)	60 years	54 of 100 (Notable)
17 September 1983	Alberga, SE	daily rain	37.7 mm (1.5 in)	27.1 mm (1.1 in)	36 years	54 of 100 (Notable)
17 September 1983	Katrineholm_D, SE	daily rain	35.3 mm (1.4 in)	23.9 mm (0.9 in)	36 years	54 of 100 (Notable)
17 September 1983	Bergaholm, SE	daily rain	37.1 mm (1.5 in)	25.7 mm (1.0 in)	36 years	54 of 100 (Notable)
17 September 1983	Hyndevad, SE	daily rain	41.7 mm (1.6 in)	25.7 mm (1.0 in)	28 years	51 of 100 (Notable)
17 September 1983	Offer, SE	daily rain	34.8 mm (1.4 in)	26.8 mm (1.1 in)	28 years	51 of 100 (Notable)
17 September 1983	Qu Xian, CN	daily rain	101.3 mm (4.0 in)	83.8 mm (3.3 in)	25 years	50 of 100 (Notable)
17 September 1983	Rosta, SE	daily rain	27.4 mm (1.1 in)	16.4 mm (0.6 in)	28 years	50 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 1983

Records set or tied on this calendar date in each year from 1796 to 1983. 1983 had 862 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 1983-09-17: 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 20	658
20 to 40	54
40 to 60	7
60 to 80	0
80 to 100	1