Weather Records on 17 September 1980

794 weather records were set or tied worldwide on 17 September 1980. Highest significance: Lihue 1020, US.

Key Facts for 17 September 1980

On 17 September 1980, 794 weather records were set or tied at long-record stations worldwide.
293 were record highs and 211 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 783 daily.
Lihue 1020 set a daily record precipitation of 100.8 mm (4.0 in) on 17 September 1980.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 420 records.

Record Map

794 stations

794 station records on 17 September 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lihue 1020	United States	Record daily precipitation	100.8 mm (4.0 in)	61 of 100 (Major)
Mio Hydro Plt	United States	Record daily precipitation	40.6 mm (1.6 in)	57 of 100 (Notable)
Lihue WSO AP 1020.1	United States	Record daily precipitation	181.6 mm (7.1 in)	57 of 100 (Notable)
Urandi	Brazil	Record daily precipitation	42.0 mm (1.7 in)	52 of 100 (Notable)
Congee	Australia	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Puhi 1013	United States	Record daily precipitation	65.5 mm (2.6 in)	49 of 100 (Notable)
Propria	Brazil	Record daily precipitation	51.8 mm (2.0 in)	48 of 100 (Notable)
Bom Conselho	Brazil	Record daily precipitation	31.2 mm (1.2 in)	47 of 100 (Notable)
Vandalia	United States	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Beito	Norway	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Tara (Santo Antonio Do Tara)	Brazil	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Chaplyne	Ukraine	Record daily precipitation	51.5 mm (2.0 in)	42 of 100 (Notable)
Sotchi	Russia	Record daily precipitation	98.3 mm (3.9 in)	41 of 100 (Notable)
La Harpe	United States	Record daily precipitation	63.0 mm (2.5 in)	41 of 100 (Notable)
Cadillac	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Anadia	Brazil	Record daily precipitation	36.0 mm (1.4 in)	40 of 100 (Notable)
Shawneetown Old Town	United States	Record daily precipitation	56.4 mm (2.2 in)	40 of 100 (Notable)
Arhangelsk	Russia	Record high maximum temperature	18.1 C (64.6 F)	39 of 100 (Notable)
Martinsville 2 SW	United States	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Russell	Canada	Record low maximum temperature	6.0 C (42.8 F)	38 of 100 (Notable)
Arzgir	Russia	Record daily precipitation	26.1 mm (1.0 in)	38 of 100 (Notable)
Elliston	United States	Record daily precipitation	43.9 mm (1.7 in)	37 of 100 (Notable)
Evart	United States	Record daily precipitation	40.9 mm (1.6 in)	37 of 100 (Notable)
Harbor Beach 1 SSE	United States	Record daily precipitation	49.3 mm (1.9 in)	37 of 100 (Notable)
Lapeer Wwtp	United States	Record daily precipitation	45.0 mm (1.8 in)	37 of 100 (Notable)
Milan Exp STN	United States	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Porto Real Do Colegio	Brazil	Record daily precipitation	38.0 mm (1.5 in)	36 of 100 (Notable)
Jaskul	Russia	Record daily precipitation	29.1 mm (1.1 in)	36 of 100 (Notable)
Covington 3 SW	United States	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Minnedosa	Canada	Record low maximum temperature	4.0 C (39.2 F)	35 of 100 (Notable)
Kurgan	Russia	Record high minimum temperature	12.3 C (54.1 F)	35 of 100 (Notable)
Brinkley	United States	Record high maximum temperature	38.3 C (100.9 F)	35 of 100 (Notable)
La Grange 1N	United States	Record high minimum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Louisville 1 E	United States	Record high maximum temperature	37.8 C (100.0 F)	35 of 100 (Notable)
1 ENE Fairfield	United States	Record daily precipitation	44.7 mm (1.8 in)	35 of 100 (Notable)
Harrisburg Disposal Pl	United States	Record daily precipitation	71.6 mm (2.8 in)	35 of 100 (Notable)
Pontiac	United States	Record daily precipitation	42.4 mm (1.7 in)	35 of 100 (Notable)
Harrison 1 NNW	United States	Record daily precipitation	33.5 mm (1.3 in)	35 of 100 (Notable)
Conception	United States	Record low minimum temperature	1.1 C (34.0 F)	35 of 100 (Notable)
Kjelsas I Sorkedalen	Norway	Record daily precipitation	41.0 mm (1.6 in)	34 of 100 (Routine)
Oneonta	United States	Record high maximum temperature	37.8 C (100.0 F)	34 of 100 (Routine)
Morgan 1 W	United States	Record high minimum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Corning	United States	Record low minimum temperature	-1.1 C (30.0 F)	34 of 100 (Routine)
Carrollton	United States	Record low minimum temperature	4.4 C (39.9 F)	34 of 100 (Routine)
Brandon Cda	Canada	Record low maximum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Helena	United States	Record daily precipitation	33.3 mm (1.3 in)	33 of 100 (Routine)
Atchison	United States	Record low minimum temperature	3.3 C (37.9 F)	33 of 100 (Routine)
Bad Axe	United States	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
S Haven	United States	Record daily precipitation	43.9 mm (1.7 in)	33 of 100 (Routine)
Auburn 5 ESE	United States	Record low minimum temperature	0.6 C (33.1 F)	33 of 100 (Routine)
Osceola	United States	Record low minimum temperature	1.1 C (34.0 F)	33 of 100 (Routine)
Miami Beach	United States	Record high minimum temperature	28.9 C (84.0 F)	33 of 100 (Routine)
Osage	United States	Record low minimum temperature	0.6 C (33.1 F)	32 of 100 (Routine)
Medicine Lodge	United States	Record low minimum temperature	3.3 C (37.9 F)	32 of 100 (Routine)
Owosso Wwtp	United States	Record daily precipitation	37.6 mm (1.5 in)	32 of 100 (Routine)
Farmington 3NW	United States	Record low minimum temperature	-1.1 C (30.0 F)	32 of 100 (Routine)
Windsor	United States	Record low minimum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
Fremont	United States	Record low minimum temperature	0.0 C (32.0 F)	32 of 100 (Routine)
North Bay	Canada	Record daily precipitation	35.2 mm (1.4 in)	31 of 100 (Routine)
Anna	Russia	Record daily precipitation	25.0 mm (1.0 in)	31 of 100 (Routine)

Counts by Type and Timescale

794 records

Records set or tied on 17 September 1980 by type: Highest daily maximum 185, Lowest daily maximum 68, Highest daily minimum 108, Lowest daily minimum 143, Heaviest daily rainfall 284, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 17 September 1980 by type
Record type	Records
Highest daily maximum	185
Lowest daily maximum	68
Highest daily minimum	108
Lowest daily minimum	143
Heaviest daily rainfall	284
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 17 September 1980 by timescale: all-time 1, monthly 10, daily 783.

How Much Records Were Beaten By

613 broken records

Margins by which the 613 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 900.0. Ties are not counted.

Top 20 by Significance

17 September 1980

Top 20 records on 17 September 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1980	Lihue 1020, US	daily rain	100.8 mm (4.0 in)	88.6 mm (3.5 in)	49 years	61 of 100 (Major)
17 September 1980	Mio Hydro Plt, US	daily rain	40.6 mm (1.6 in)	27.1 mm (1.1 in)	59 years	57 of 100 (Notable)
17 September 1980	Lihue WSO AP 1020.1, US	monthly rain	181.6 mm (7.1 in)	127.8 mm (5.0 in)	14 years	57 of 100 (Notable)
17 September 1980	Urandi, BR	daily rain	42.0 mm (1.7 in)	40.7 mm (1.6 in)	27 years	52 of 100 (Notable)
17 September 1980	Congee, AU	daily rain	33.0 mm (1.3 in)	22.6 mm (0.9 in)	14 years	50 of 100 (Notable)
17 September 1980	Puhi 1013, US	daily rain	65.5 mm (2.6 in)	51.5 mm (2.0 in)	17 years	49 of 100 (Notable)
17 September 1980	Propria, BR	daily rain	51.8 mm (2.0 in)	33.6 mm (1.3 in)	13 years	48 of 100 (Notable)
17 September 1980	Bom Conselho, BR	daily rain	31.2 mm (1.2 in)	23.0 mm (0.9 in)	13 years	47 of 100 (Notable)
17 September 1980	Vandalia, US	daily rain	41.9 mm (1.6 in)	21.6 mm (0.9 in)	75 years	46 of 100 (Notable)
17 September 1980	Beito, NO	daily rain	32.0 mm (1.3 in)	12.5 mm (0.5 in)	64 years	45 of 100 (Notable)
17 September 1980	Tara (Santo Antonio Do Tara), BR	monthly rain	30.0 mm (1.2 in)	9.8 mm (0.39 in)	38 years	44 of 100 (Notable)
17 September 1980	Chaplyne, UA	monthly rain	51.5 mm (2.0 in)	13.3 mm (0.5 in)	21 years	42 of 100 (Notable)
17 September 1980	Sotchi, RU	daily rain	98.3 mm (3.9 in)	15.3 mm (0.6 in)	85 years	41 of 100 (Notable)
17 September 1980	La Harpe, US	daily rain	63.0 mm (2.5 in)	26.2 mm (1.0 in)	61 years	41 of 100 (Notable)
17 September 1980	Cadillac, US	daily rain	50.8 mm (2.0 in)	36.3 mm (1.4 in)	2 years	41 of 100 (Notable)
17 September 1980	Anadia, BR	daily rain	36.0 mm (1.4 in)	17.1 mm (0.7 in)	40 years	40 of 100 (Notable)
17 September 1980	Shawneetown Old Town, US	daily rain	56.4 mm (2.2 in)	23.4 mm (0.9 in)	62 years	40 of 100 (Notable)
17 September 1980	Arhangelsk, RU	daily high max	18.1 C (64.6 F)	0.1 C (0.2 F)	97 years	39 of 100 (Notable)
17 September 1980	Martinsville 2 SW, US	daily rain	43.9 mm (1.7 in)	27.6 mm (1.1 in)	51 years	39 of 100 (Notable)
17 September 1980	Russell, CA	daily low max	6.0 C (42.8 F)	0.7 C (1.3 F)	93 years	38 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 1980

Records set or tied on this calendar date in each year from 1796 to 1980. 1980 had 794 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	969

Download the Data

Data for records on 1980-09-17: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 200	612
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	1