Weather Records on 15 September 2020

785 weather records were set or tied worldwide on 15 September 2020. Highest significance: Cooch Behar, IN.

Key Facts for 15 September 2020

On 15 September 2020, 785 weather records were set or tied at long-record stations worldwide.
673 were record highs and 46 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 69 monthly and 716 daily.
Cooch Behar set a daily record precipitation of 232.9 mm (9.2 in) on 15 September 2020.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 411 records.

Record Map

785 stations

785 station records on 15 September 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cooch Behar	India	Record daily precipitation	232.9 mm (9.2 in)	56 of 100 (Notable)
Brocken	Germany	Record high maximum temperature	25.9 C (78.6 F)	53 of 100 (Notable)
Crestview FAA/AP	United States	Record daily precipitation	125.2 mm (4.9 in)	51 of 100 (Notable)
Solomons	United States	Record low minimum temperature	6.7 C (44.1 F)	50 of 100 (Notable)
Tongliao	China	Record daily precipitation	35.8 mm (1.4 in)	47 of 100 (Notable)
Maastricht	Netherlands	Record high maximum temperature	34.3 C (93.7 F)	47 of 100 (Notable)
Changde	China	Record daily precipitation	52.6 mm (2.1 in)	45 of 100 (Notable)
Malin Head	Ireland	Record high maximum temperature	20.8 C (69.4 F)	44 of 100 (Notable)
Orly	France	Record high maximum temperature	34.3 C (93.7 F)	44 of 100 (Notable)
Jinzhou	China	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
Essen-Bredeney	Germany	Record high minimum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Lille-Lesquin	France	Record high maximum temperature	35.1 C (95.2 F)	41 of 100 (Notable)
Selma	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Troy	United States	Record high minimum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Lindenberg	Germany	Record high maximum temperature	30.8 C (87.4 F)	40 of 100 (Notable)
Greifswald	Germany	Record high maximum temperature	29.8 C (85.6 F)	40 of 100 (Notable)
Altastenberg	Germany	Record high minimum temperature	18.8 C (65.8 F)	40 of 100 (Notable)
West Souburg	Netherlands	Record high maximum temperature	30.4 C (86.7 F)	40 of 100 (Notable)
Uccle	Belgium	Record high maximum temperature	34.3 C (93.7 F)	39 of 100 (Notable)
Weilerswist-Lommersum	Germany	Record high maximum temperature	34.3 C (93.7 F)	39 of 100 (Notable)
Kall-Sistig	Germany	Record high maximum temperature	30.9 C (87.6 F)	39 of 100 (Notable)
Sodus 1W	United States	Record low minimum temperature	3.3 C (37.9 F)	39 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Schwerin	Germany	Record high maximum temperature	30.2 C (86.4 F)	38 of 100 (Notable)
Bad Kreuznach	Germany	Record high maximum temperature	33.2 C (91.8 F)	38 of 100 (Notable)
Villingen-Schwenningen	Germany	Record high maximum temperature	30.7 C (87.3 F)	38 of 100 (Notable)
Wuppertal-Buchenhofen	Germany	Record high maximum temperature	33.1 C (91.6 F)	38 of 100 (Notable)
Tg Jiu	Romania	Record high minimum temperature	16.6 C (61.9 F)	38 of 100 (Notable)
Barth	Germany	Record high maximum temperature	29.1 C (84.4 F)	37 of 100 (Notable)
Baia Mare	Romania	Record high maximum temperature	30.3 C (86.5 F)	37 of 100 (Notable)
Bely Island	Russia	Record high minimum temperature	7.5 C (45.5 F)	37 of 100 (Notable)
Rize	Turkey	Record high minimum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Isparta	Turkey	Record high minimum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Lyon - St Exupery	France	Record high minimum temperature	21.5 C (70.7 F)	36 of 100 (Notable)
Craibstone	United Kingdom	Record high minimum temperature	13.4 C (56.1 F)	36 of 100 (Notable)
Dijon-Longvic	France	Record high maximum temperature	32.9 C (91.2 F)	35 of 100 (Notable)
Saarbrucken/Ensheim	Germany	Record high maximum temperature	32.2 C (90.0 F)	35 of 100 (Notable)
Angermunde	Germany	Record high maximum temperature	30.4 C (86.7 F)	35 of 100 (Notable)
Pirmasens	Germany	Record high maximum temperature	30.9 C (87.6 F)	35 of 100 (Notable)
Berus	Germany	Record high maximum temperature	32.4 C (90.3 F)	35 of 100 (Notable)
Ostrov Kotelnyj	Russia	Record high maximum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
Alencon-Valframbert	France	Record high maximum temperature	33.8 C (92.8 F)	34 of 100 (Routine)
Potsdam	Germany	Record high maximum temperature	31.7 C (89.1 F)	34 of 100 (Routine)
Magdeburg	Germany	Record high maximum temperature	31.9 C (89.4 F)	34 of 100 (Routine)
Gardelegen	Germany	Record high maximum temperature	31.3 C (88.3 F)	34 of 100 (Routine)
Schneifelforsthaus	Germany	Record high maximum temperature	29.9 C (85.8 F)	34 of 100 (Routine)
Trier-Zewen	Germany	Record high maximum temperature	34.3 C (93.7 F)	34 of 100 (Routine)
Uelzen	Germany	Record high maximum temperature	31.5 C (88.7 F)	34 of 100 (Routine)
Deuselbach	Germany	Record high maximum temperature	31.5 C (88.7 F)	34 of 100 (Routine)
Ft Ross	United States	Record low minimum temperature	0.0 C (32.0 F)	34 of 100 (Routine)
Poteet	United States	Record high minimum temperature	26.7 C (80.1 F)	34 of 100 (Routine)
Berlin-Dahlem	Germany	Record high maximum temperature	31.0 C (87.8 F)	33 of 100 (Routine)
Lindenberg	Germany	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Hannover	Germany	Record high maximum temperature	30.9 C (87.6 F)	33 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	26.9 C (80.4 F)	33 of 100 (Routine)
Friesoythe-Edewechterdam	Germany	Record high maximum temperature	29.9 C (85.8 F)	33 of 100 (Routine)
Kleiner Feldberg/Taunus	Germany	Record high minimum temperature	19.1 C (66.4 F)	33 of 100 (Routine)
Bad-Ahrweiler Neuenahr	Germany	Record high maximum temperature	34.5 C (94.1 F)	33 of 100 (Routine)
Simmern-Wahlbach	Germany	Record high maximum temperature	31.5 C (88.7 F)	33 of 100 (Routine)
Ueckermunde	Germany	Record high maximum temperature	29.5 C (85.1 F)	33 of 100 (Routine)

Counts by Type and Timescale

785 records

Records set or tied on 15 September 2020 by type: Highest daily maximum 379, Lowest daily maximum 16, Highest daily minimum 294, Lowest daily minimum 30, Heaviest daily rainfall 66.

Records on 15 September 2020 by type
Record type	Records
Highest daily maximum	379
Lowest daily maximum	16
Highest daily minimum	294
Lowest daily minimum	30
Heaviest daily rainfall	66
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 2020 by timescale: all-time 0, monthly 69, daily 716.

How Much Records Were Beaten By

654 broken records

Margins by which the 654 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 115.5. Ties are not counted.

Top 20 by Significance

15 September 2020

Top 20 records on 15 September 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 2020	Cooch Behar, IN	daily rain	232.9 mm (9.2 in)	115.5 mm (4.5 in)	60 years	56 of 100 (Notable)
15 September 2020	Brocken, DE	monthly high max	25.9 C (78.6 F)	1.5 C (2.7 F)	101 years	53 of 100 (Notable)
15 September 2020	Crestview FAA/AP, US	daily rain	125.2 mm (4.9 in)	74.4 mm (2.9 in)	16 years	51 of 100 (Notable)
15 September 2020	Solomons, US	daily low min	6.7 C (44.1 F)	3.9 C (7.0 F)	124 years	50 of 100 (Notable)
15 September 2020	Tongliao, CN	daily rain	35.8 mm (1.4 in)	17.4 mm (0.7 in)	50 years	47 of 100 (Notable)
15 September 2020	Maastricht, NL	monthly high max	34.3 C (93.7 F)	0.3 C (0.5 F)	91 years	47 of 100 (Notable)
15 September 2020	Changde, CN	daily rain	52.6 mm (2.1 in)	29.9 mm (1.2 in)	62 years	45 of 100 (Notable)
15 September 2020	Malin Head, IE	daily high max	20.8 C (69.4 F)	1.9 C (3.4 F)	88 years	44 of 100 (Notable)
15 September 2020	Orly, FR	daily high max	34.3 C (93.7 F)	2.1 C (3.8 F)	99 years	44 of 100 (Notable)
15 September 2020	Jinzhou, CN	daily rain	46.0 mm (1.8 in)	25.4 mm (1.0 in)	55 years	43 of 100 (Notable)
15 September 2020	Essen-Bredeney, DE	daily high min	21.7 C (71.1 F)	5.0 C (9.0 F)	62 years	42 of 100 (Notable)
15 September 2020	Lille-Lesquin, FR	monthly high max	35.1 C (95.2 F)	1.3 C (2.3 F)	71 years	41 of 100 (Notable)
15 September 2020	Selma, US	daily high min	24.4 C (75.9 F)	0.5 C (0.9 F)	100 years	41 of 100 (Notable)
15 September 2020	Troy, US	daily high min	23.3 C (73.9 F)	0.5 C (0.9 F)	100 years	41 of 100 (Notable)
15 September 2020	Lindenberg, DE	daily high max	30.8 C (87.4 F)	0.8 C (1.4 F)	97 years	40 of 100 (Notable)
15 September 2020	Greifswald, DE	daily high max	29.8 C (85.6 F)	3.3 C (5.9 F)	73 years	40 of 100 (Notable)
15 September 2020	Altastenberg, DE	daily high min	18.8 C (65.8 F)	3.2 C (5.8 F)	73 years	40 of 100 (Notable)
15 September 2020	West Souburg, NL	daily high max	30.4 C (86.7 F)	2.7 C (4.9 F)	73 years	40 of 100 (Notable)
15 September 2020	Uccle, BE	daily high max	34.3 C (93.7 F)	3.2 C (5.8 F)	73 years	39 of 100 (Notable)
15 September 2020	Weilerswist-Lommersum, DE	monthly high max	34.3 C (93.7 F)	0.3 C (0.5 F)	71 years	39 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

1797 to 2020

Records set or tied on this calendar date in each year from 1797 to 2020. 2020 had 785 records.

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

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 2020-09-15: 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	647
20 to 40	4
40 to 60	0
60 to 80	2
80 to 100	0
100 to 120	1