Weather Records on 17 September 2020

651 weather records were set or tied worldwide on 17 September 2020. Highest significance: Americus, US.

Key Facts for 17 September 2020

On 17 September 2020, 651 weather records were set or tied at long-record stations worldwide.
450 were record highs and 55 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 14 monthly and 633 daily.
Americus set a daily record precipitation of 158.2 mm (6.2 in) on 17 September 2020.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 421 records.

Record Map

651 stations

651 station records on 17 September 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Americus	United States	Record daily precipitation	158.2 mm (6.2 in)	80 of 100 (Exceptional)
Cordele	United States	Record daily precipitation	106.7 mm (4.2 in)	78 of 100 (Major)
Troy	United States	Record daily precipitation	238.8 mm (9.4 in)	68 of 100 (Major)
Elabuga	Russia	Record daily precipitation	179.8 mm (7.1 in)	67 of 100 (Major)
Lincolnton	United States	Record daily precipitation	98.0 mm (3.9 in)	67 of 100 (Major)
Fairhope 2 NE	United States	Record daily precipitation	315.2 mm (12.4 in)	65 of 100 (Major)
Camilla 3SE	United States	Record daily precipitation	106.7 mm (4.2 in)	64 of 100 (Major)
Njandoma	Russia	Record daily precipitation	48.8 mm (1.9 in)	61 of 100 (Major)
Headland	United States	Record daily precipitation	150.1 mm (5.9 in)	61 of 100 (Major)
Hurtsboro	United States	Record daily precipitation	177.5 mm (7.0 in)	60 of 100 (Major)
Chipley	United States	Record daily precipitation	155.4 mm (6.1 in)	60 of 100 (Major)
Montezuma 2 NW	United States	Record daily precipitation	208.3 mm (8.2 in)	60 of 100 (Major)
Kolezma	Russia	Record daily precipitation	33.0 mm (1.3 in)	59 of 100 (Notable)
Sandersville	United States	Record daily precipitation	190.0 mm (7.5 in)	59 of 100 (Notable)
Talbotton	United States	Record daily precipitation	172.7 mm (6.8 in)	59 of 100 (Notable)
Washington 2 ESE	United States	Record daily precipitation	94.7 mm (3.7 in)	54 of 100 (Notable)
Kargopol	Russia	Record daily precipitation	39.1 mm (1.5 in)	53 of 100 (Notable)
Quincy 3 SSW	United States	Record daily precipitation	196.9 mm (7.8 in)	52 of 100 (Notable)
Asheville	United States	Record daily precipitation	48.8 mm (1.9 in)	51 of 100 (Notable)
Appling 2 NW	United States	Record daily precipitation	86.4 mm (3.4 in)	50 of 100 (Notable)
Rhodhiss Hydro Plt	United States	Record daily precipitation	78.2 mm (3.1 in)	50 of 100 (Notable)
Atmore	United States	Record daily precipitation	82.0 mm (3.2 in)	48 of 100 (Notable)
Clarks Hill 1 W	United States	Record daily precipitation	80.5 mm (3.2 in)	48 of 100 (Notable)
Hickory FAA AP	United States	Record daily precipitation	72.9 mm (2.9 in)	48 of 100 (Notable)
Daniel Z Romualdez	Philippines	Record daily precipitation	74.4 mm (2.9 in)	47 of 100 (Notable)
Vytegra	Russia	Record daily precipitation	42.9 mm (1.7 in)	47 of 100 (Notable)
Medvezegorsk	Russia	Record daily precipitation	42.9 mm (1.7 in)	46 of 100 (Notable)
Batesburg	United States	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Lynchburg Rgnl AP	United States	Record daily precipitation	85.6 mm (3.4 in)	46 of 100 (Notable)
Augusta Bush Fld AP	United States	Record daily precipitation	96.5 mm (3.8 in)	45 of 100 (Notable)
Richmond Intl AP	United States	Record daily precipitation	72.6 mm (2.9 in)	45 of 100 (Notable)
Geneva #2	United States	Record daily precipitation	171.5 mm (6.8 in)	44 of 100 (Notable)
Florence Rgnl AP	United States	Record daily precipitation	64.8 mm (2.6 in)	44 of 100 (Notable)
Carthage Wtp	United States	Record daily precipitation	85.1 mm (3.4 in)	43 of 100 (Notable)
Calhoun Falls	United States	Record daily precipitation	73.2 mm (2.9 in)	43 of 100 (Notable)
Opelika	United States	Record daily precipitation	122.4 mm (4.8 in)	42 of 100 (Notable)
Wilmington 7 N	United States	Record daily precipitation	132.8 mm (5.2 in)	42 of 100 (Notable)
Clayton	United States	Record daily precipitation	292.1 mm (11.5 in)	41 of 100 (Notable)
Monticello	United States	Record daily precipitation	134.4 mm (5.3 in)	41 of 100 (Notable)
Magueyes Is	Puerto Rico [United States]	Record low minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Imperial	United States	Record high maximum temperature	44.4 C (111.9 F)	40 of 100 (Notable)
Oakley	United States	Record high maximum temperature	32.2 C (90.0 F)	40 of 100 (Notable)
Anderson FAA AP	United States	Record daily precipitation	74.2 mm (2.9 in)	39 of 100 (Notable)
Pudoz	Russia	Record daily precipitation	36.1 mm (1.4 in)	38 of 100 (Notable)
Ajo	United States	Record high maximum temperature	43.3 C (109.9 F)	38 of 100 (Notable)
Kiev	Ukraine	Record high maximum temperature	30.3 C (86.5 F)	37 of 100 (Notable)
San Francisco Oceanside	United States	Record high maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Athens Ben Epps AP	United States	Record daily precipitation	91.4 mm (3.6 in)	37 of 100 (Notable)
Panama City 5N	United States	Record daily precipitation	123.2 mm (4.9 in)	36 of 100 (Notable)
Trujillo Alto 2 SSW	Puerto Rico [United States]	Record high minimum temperature	28.9 C (84.0 F)	35 of 100 (Notable)
Poronajsk	Russia	Record high minimum temperature	15.3 C (59.5 F)	35 of 100 (Notable)
Opelika	United States	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Gilroy	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Thomaston 4SE	United States	Record daily precipitation	138.7 mm (5.5 in)	35 of 100 (Notable)
Lumberton Rgnl AP	United States	Record daily precipitation	73.9 mm (2.9 in)	35 of 100 (Notable)
Ostrov Kotelnyj	Russia	Record high maximum temperature	5.9 C (42.6 F)	34 of 100 (Routine)
Reboly	Russia	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Daroca	Spain	Record high minimum temperature	18.5 C (65.3 F)	34 of 100 (Routine)
Hamlet	United States	Record daily precipitation	66.5 mm (2.6 in)	34 of 100 (Routine)
St Paul Dwtn AP	United States	Record low maximum temperature	14.4 C (57.9 F)	34 of 100 (Routine)

Counts by Type and Timescale

651 records

Records set or tied on 17 September 2020 by type: Highest daily maximum 196, Lowest daily maximum 32, Highest daily minimum 254, Lowest daily minimum 23, Heaviest daily rainfall 146.

Records on 17 September 2020 by type
Record type	Records
Highest daily maximum	196
Lowest daily maximum	32
Highest daily minimum	254
Lowest daily minimum	23
Heaviest daily rainfall	146
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 September 2020 by timescale: all-time 4, monthly 14, daily 633.

How Much Records Were Beaten By

517 broken records

Margins by which the 517 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 235.2. Ties are not counted.

Top 20 by Significance

17 September 2020

Top 20 records on 17 September 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 2020	Americus, US	daily rain	158.2 mm (6.2 in)	91.1 mm (3.6 in)	119 years	80 of 100 (Exceptional)
17 September 2020	Cordele, US	daily rain	106.7 mm (4.2 in)	73.7 mm (2.9 in)	125 years	78 of 100 (Major)
17 September 2020	Troy, US	daily rain	238.8 mm (9.4 in)	187.0 mm (7.4 in)	63 years	68 of 100 (Major)
17 September 2020	Elabuga, RU	all-time rain	179.8 mm (7.1 in)	84.4 mm (3.3 in)	5 years	67 of 100 (Major)
17 September 2020	Lincolnton, US	daily rain	98.0 mm (3.9 in)	75.1 mm (3.0 in)	58 years	67 of 100 (Major)
17 September 2020	Fairhope 2 NE, US	daily rain	315.2 mm (12.4 in)	235.2 mm (9.3 in)	50 years	65 of 100 (Major)
17 September 2020	Camilla 3SE, US	daily rain	106.7 mm (4.2 in)	77.2 mm (3.0 in)	49 years	64 of 100 (Major)
17 September 2020	Njandoma, RU	monthly rain	48.8 mm (1.9 in)	13.3 mm (0.5 in)	58 years	61 of 100 (Major)
17 September 2020	Headland, US	daily rain	150.1 mm (5.9 in)	98.0 mm (3.9 in)	49 years	61 of 100 (Major)
17 September 2020	Hurtsboro, US	monthly rain	177.5 mm (7.0 in)	75.4 mm (3.0 in)	21 years	60 of 100 (Major)
17 September 2020	Chipley, US	daily rain	155.4 mm (6.1 in)	93.2 mm (3.7 in)	41 years	60 of 100 (Major)
17 September 2020	Montezuma 2 NW, US	monthly rain	208.3 mm (8.2 in)	95.3 mm (3.8 in)	3 years	60 of 100 (Major)
17 September 2020	Kolezma, RU	daily rain	33.0 mm (1.3 in)	20.9 mm (0.8 in)	43 years	59 of 100 (Notable)
17 September 2020	Sandersville, US	all-time rain	190.0 mm (7.5 in)	45.5 mm (1.8 in)	23 years	59 of 100 (Notable)
17 September 2020	Talbotton, US	monthly rain	172.7 mm (6.8 in)	17.5 mm (0.7 in)	114 years	59 of 100 (Notable)
17 September 2020	Washington 2 ESE, US	daily rain	94.7 mm (3.7 in)	31.2 mm (1.2 in)	91 years	54 of 100 (Notable)
17 September 2020	Kargopol, RU	daily rain	39.1 mm (1.5 in)	22.2 mm (0.9 in)	10 years	53 of 100 (Notable)
17 September 2020	Quincy 3 SSW, US	daily rain	196.9 mm (7.8 in)	130.4 mm (5.1 in)	26 years	52 of 100 (Notable)
17 September 2020	Asheville, US	daily rain	48.8 mm (1.9 in)	14.3 mm (0.6 in)	119 years	51 of 100 (Notable)
17 September 2020	Appling 2 NW, US	daily rain	86.4 mm (3.4 in)	68.1 mm (2.7 in)	43 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 2020

Records set or tied on this calendar date in each year from 1796 to 2020. 2020 had 651 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 2020-09-17: 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 50	497
50 to 100	16
100 to 150	2
150 to 200	1
200 to 250	1