Weather Records on 18 September 2020

682 weather records were set or tied worldwide on 18 September 2020. Highest significance: Emporia 1 WNW, US.

Key Facts for 18 September 2020

On 18 September 2020, 682 weather records were set or tied at long-record stations worldwide.
417 were record highs and 115 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 15 monthly and 665 daily.
Emporia 1 WNW set a daily record precipitation of 144.8 mm (5.7 in) on 18 September 2020.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 420 records.

Record Map

682 stations

682 station records on 18 September 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Emporia 1 WNW	United States	Record daily precipitation	144.8 mm (5.7 in)	72 of 100 (Major)
Darlington	United States	Record daily precipitation	166.1 mm (6.5 in)	71 of 100 (Major)
John H Kerr Dam	United States	Record daily precipitation	115.1 mm (4.5 in)	62 of 100 (Major)
Shantou	China	Record daily precipitation	121.2 mm (4.8 in)	59 of 100 (Notable)
Vernonia #2	United States	Record daily precipitation	50.8 mm (2.0 in)	57 of 100 (Notable)
Brookneal	United States	Record daily precipitation	88.9 mm (3.5 in)	57 of 100 (Notable)
Bogorodskoe	Russia	Record daily precipitation	35.1 mm (1.4 in)	56 of 100 (Notable)
Kokatha	Australia	Record daily precipitation	46.9 mm (1.8 in)	55 of 100 (Notable)
Altavista	United States	Record daily precipitation	96.0 mm (3.8 in)	54 of 100 (Notable)
Cook	Australia	Record daily precipitation	27.0 mm (1.1 in)	53 of 100 (Notable)
Bamberg	United States	Record daily precipitation	119.4 mm (4.7 in)	51 of 100 (Notable)
Kuranda Railway Station	Australia	Record daily precipitation	32.0 mm (1.3 in)	50 of 100 (Notable)
Roanoke Rapids	United States	Record daily precipitation	114.3 mm (4.5 in)	50 of 100 (Notable)
Surin	Thailand	Record daily precipitation	166.6 mm (6.6 in)	49 of 100 (Notable)
Mina	United States	Record high minimum temperature	21.1 C (70.0 F)	49 of 100 (Notable)
Belozersk	Russia	Record daily precipitation	39.1 mm (1.5 in)	48 of 100 (Notable)
Johnston 4 SW	United States	Record daily precipitation	95.3 mm (3.8 in)	48 of 100 (Notable)
Huddleston 4 SW	United States	Record daily precipitation	77.5 mm (3.1 in)	47 of 100 (Notable)
Chester 1 SE	United States	Record daily precipitation	74.7 mm (2.9 in)	46 of 100 (Notable)
Hartwell	United States	Record daily precipitation	63.8 mm (2.5 in)	44 of 100 (Notable)
Arcadia	United States	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Saint Leo	United States	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Waynesboro 2 S	United States	Record daily precipitation	100.3 mm (3.9 in)	43 of 100 (Notable)
Longwood	United States	Record daily precipitation	97.8 mm (3.9 in)	43 of 100 (Notable)
Pte de Chassiron	France	Record high minimum temperature	19.6 C (67.3 F)	42 of 100 (Notable)
Ubon Ratchathani	Thailand	Record daily precipitation	216.9 mm (8.5 in)	42 of 100 (Notable)
Ironwood	United States	Record low minimum temperature	-2.2 C (28.0 F)	42 of 100 (Notable)
Ft Pickett	United States	Record daily precipitation	109.7 mm (4.3 in)	42 of 100 (Notable)
Tizi Ouzou	Algeria	Record high minimum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Aikawa	Japan	Record daily precipitation	75.9 mm (3.0 in)	41 of 100 (Notable)
Henderson 2 NNW	United States	Record daily precipitation	73.7 mm (2.9 in)	41 of 100 (Notable)
Hendersonville 1 NE	United States	Record daily precipitation	78.7 mm (3.1 in)	41 of 100 (Notable)
Ft Mill 4 NW	United States	Record daily precipitation	55.1 mm (2.2 in)	41 of 100 (Notable)
Newberry	United States	Record daily precipitation	87.1 mm (3.4 in)	41 of 100 (Notable)
Walhalla	United States	Record daily precipitation	71.4 mm (2.8 in)	41 of 100 (Notable)
Rhinelander	United States	Record low minimum temperature	-2.8 C (27.0 F)	41 of 100 (Notable)
Mangalore/Bajpe	India	Record daily precipitation	103.1 mm (4.1 in)	40 of 100 (Notable)
Stornoway Airport	United Kingdom	Record high minimum temperature	13.4 C (56.1 F)	40 of 100 (Notable)
Louisburg	United States	Record daily precipitation	66.5 mm (2.6 in)	40 of 100 (Notable)
Murfreesboro	United States	Record daily precipitation	87.4 mm (3.4 in)	40 of 100 (Notable)
Kewaunee	United States	Record low maximum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Bogota/Eldorado	Colombia	Record daily precipitation	160.0 mm (6.3 in)	39 of 100 (Notable)
Guayama 1SW	Puerto Rico [United States]	Record high maximum temperature	35.6 C (96.1 F)	39 of 100 (Notable)
Baudette	United States	Record low minimum temperature	-6.7 C (19.9 F)	39 of 100 (Notable)
Concord 4 SSW	United States	Record daily precipitation	100.1 mm (3.9 in)	39 of 100 (Notable)
Longview	United States	Record high minimum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Elat	Israel	Record high minimum temperature	30.4 C (86.7 F)	38 of 100 (Notable)
Ibapah	United States	Record high maximum temperature	36.1 C (97.0 F)	38 of 100 (Notable)
Martinsville Fltr Plt	United States	Record daily precipitation	62.2 mm (2.4 in)	38 of 100 (Notable)
Winterpock	United States	Record daily precipitation	94.7 mm (3.7 in)	38 of 100 (Notable)
Bellenden Ker Top STN	Australia	Record daily precipitation	170.0 mm (6.7 in)	37 of 100 (Notable)
Jarensk	Russia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Ilyinskiy	Russia	Record high maximum temperature	23.2 C (73.8 F)	37 of 100 (Notable)
Madrid/Barajas	Spain	Record daily precipitation	26.8 mm (1.1 in)	37 of 100 (Notable)
Chatham	United States	Record daily precipitation	71.6 mm (2.8 in)	37 of 100 (Notable)
Woomera Aerodrome	Australia	Record high minimum temperature	20.9 C (69.6 F)	36 of 100 (Notable)
Cape Mele	Italy	Record high maximum temperature	33.4 C (92.1 F)	36 of 100 (Notable)
Velikij_Ustjug	Russia	Record daily precipitation	43.9 mm (1.7 in)	36 of 100 (Notable)
Nakhon Ratchasima	Thailand	Record daily precipitation	134.9 mm (5.3 in)	36 of 100 (Notable)
Bishop AP	United States	Record high minimum temperature	17.2 C (63.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

682 records

Records set or tied on 18 September 2020 by type: Highest daily maximum 154, Lowest daily maximum 38, Highest daily minimum 263, Lowest daily minimum 77, Heaviest daily rainfall 150.

Records on 18 September 2020 by type
Record type	Records
Highest daily maximum	154
Lowest daily maximum	38
Highest daily minimum	263
Lowest daily minimum	77
Heaviest daily rainfall	150
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 2020 by timescale: all-time 2, monthly 15, daily 665.

How Much Records Were Beaten By

557 broken records

Margins by which the 557 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 107.2. Ties are not counted.

Top 20 by Significance

18 September 2020

Top 20 records on 18 September 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 2020	Emporia 1 WNW, US	daily rain	144.8 mm (5.7 in)	107.2 mm (4.2 in)	75 years	72 of 100 (Major)
18 September 2020	Darlington, US	daily rain	166.1 mm (6.5 in)	77.2 mm (3.0 in)	92 years	71 of 100 (Major)
18 September 2020	John H Kerr Dam, US	daily rain	115.1 mm (4.5 in)	78.8 mm (3.1 in)	51 years	62 of 100 (Major)
18 September 2020	Shantou, CN	daily rain	121.2 mm (4.8 in)	96.3 mm (3.8 in)	46 years	59 of 100 (Notable)
18 September 2020	Vernonia #2, US	daily rain	50.8 mm (2.0 in)	26.2 mm (1.0 in)	52 years	57 of 100 (Notable)
18 September 2020	Brookneal, US	daily rain	88.9 mm (3.5 in)	53.3 mm (2.1 in)	60 years	57 of 100 (Notable)
18 September 2020	Bogorodskoe, RU	daily rain	35.1 mm (1.4 in)	18.6 mm (0.7 in)	79 years	56 of 100 (Notable)
18 September 2020	Kokatha, AU	daily rain	46.9 mm (1.8 in)	33.1 mm (1.3 in)	23 years	55 of 100 (Notable)
18 September 2020	Altavista, US	daily rain	96.0 mm (3.8 in)	41.4 mm (1.6 in)	75 years	54 of 100 (Notable)
18 September 2020	Cook, AU	daily rain	27.0 mm (1.1 in)	23.0 mm (0.9 in)	10 years	53 of 100 (Notable)
18 September 2020	Bamberg, US	daily rain	119.4 mm (4.7 in)	83.1 mm (3.3 in)	26 years	51 of 100 (Notable)
18 September 2020	Kuranda Railway Station, AU	daily rain	32.0 mm (1.3 in)	10.7 mm (0.4 in)	101 years	50 of 100 (Notable)
18 September 2020	Roanoke Rapids, US	daily rain	114.3 mm (4.5 in)	91.9 mm (3.6 in)	27 years	50 of 100 (Notable)
18 September 2020	Surin, TH	daily rain	166.6 mm (6.6 in)	64.5 mm (2.5 in)	32 years	49 of 100 (Notable)
18 September 2020	Mina, US	daily high min	21.1 C (70.0 F)	4.4 C (7.9 F)	99 years	49 of 100 (Notable)
18 September 2020	Belozersk, RU	monthly rain	39.1 mm (1.5 in)	10.0 mm (0.4 in)	27 years	48 of 100 (Notable)
18 September 2020	Johnston 4 SW, US	daily rain	95.3 mm (3.8 in)	54.4 mm (2.1 in)	45 years	48 of 100 (Notable)
18 September 2020	Huddleston 4 SW, US	daily rain	77.5 mm (3.1 in)	40.2 mm (1.6 in)	60 years	47 of 100 (Notable)
18 September 2020	Chester 1 SE, US	daily rain	74.7 mm (2.9 in)	33.6 mm (1.3 in)	75 years	46 of 100 (Notable)
18 September 2020	Hartwell, US	daily rain	63.8 mm (2.5 in)	8.7 mm (0.34 in)	111 years	44 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

1803 to 2020

Records set or tied on this calendar date in each year from 1803 to 2020. 2020 had 682 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 2020-09-18: 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	514
20 to 40	21
40 to 60	9
60 to 80	9
80 to 100	3
100 to 120	1