Weather Records on 11 September 2020

1,235 weather records were set or tied worldwide on 11 September 2020. Highest significance: Meldrum (Coolawarrah), AU.

Key Facts for 11 September 2020

On 11 September 2020, 1,235 weather records were set or tied at long-record stations worldwide.
273 were record highs and 849 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 1,228 daily.
Meldrum (Coolawarrah) set a daily record precipitation of 68.0 mm (2.7 in) on 11 September 2020.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 419 records.

Record Map

1,235 stations

1,235 station records on 11 September 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Meldrum (Coolawarrah)	Australia	Record daily precipitation	68.0 mm (2.7 in)	65 of 100 (Major)
La Farge	United States	Record snow depth	22.9 cm (9.0 in)	61 of 100 (Major)
Myton	United States	Record low maximum temperature	8.9 C (48.0 F)	60 of 100 (Major)
Crane	United States	Record low maximum temperature	12.2 C (54.0 F)	58 of 100 (Notable)
Wallumbilla Post Office	Australia	Record daily precipitation	37.0 mm (1.5 in)	57 of 100 (Notable)
Chapman	United States	Record low maximum temperature	12.2 C (54.0 F)	54 of 100 (Notable)
Sugarloaf Rsvr	United States	Record low maximum temperature	1.7 C (35.1 F)	52 of 100 (Notable)
Ballinger 2 NW	United States	Record low maximum temperature	13.3 C (55.9 F)	52 of 100 (Notable)
Lillington	United States	Record daily precipitation	37.3 mm (1.5 in)	51 of 100 (Notable)
Fairfield	United States	Record low maximum temperature	11.7 C (53.1 F)	50 of 100 (Notable)
Artesia 6S	United States	Record low maximum temperature	13.3 C (55.9 F)	50 of 100 (Notable)
Helena 1 SSE	United States	Record low maximum temperature	15.0 C (59.0 F)	50 of 100 (Notable)
Breckenridge	United States	Record low maximum temperature	13.3 C (55.9 F)	50 of 100 (Notable)
Eden	United States	Record low maximum temperature	11.7 C (53.1 F)	50 of 100 (Notable)
Langtry	United States	Record low maximum temperature	15.0 C (59.0 F)	50 of 100 (Notable)
Spur	United States	Record low maximum temperature	13.3 C (55.9 F)	50 of 100 (Notable)
Mangalore/Bajpe	India	Record daily precipitation	258.1 mm (10.2 in)	49 of 100 (Notable)
Scotia	United States	Record high minimum temperature	18.9 C (66.0 F)	49 of 100 (Notable)
Morrison	United States	Record low maximum temperature	13.3 C (55.9 F)	49 of 100 (Notable)
Clay Ctr	United States	Record low maximum temperature	12.8 C (55.0 F)	49 of 100 (Notable)
Trenton	United States	Record low maximum temperature	13.3 C (55.9 F)	49 of 100 (Notable)
Tucumcari 4 NE	United States	Record low minimum temperature	4.4 C (39.9 F)	49 of 100 (Notable)
Snyder	United States	Record low maximum temperature	12.2 C (54.0 F)	49 of 100 (Notable)
Laprele Creek	United States	Record daily precipitation	27.9 mm (1.1 in)	49 of 100 (Notable)
Glenwood Spgs #2	United States	Record low maximum temperature	12.2 C (54.0 F)	48 of 100 (Notable)
Columbus Junction	United States	Record low maximum temperature	13.3 C (55.9 F)	48 of 100 (Notable)
Oskaloosa	United States	Record low maximum temperature	12.8 C (55.0 F)	48 of 100 (Notable)
Conchas Dam	United States	Record low minimum temperature	4.4 C (39.9 F)	48 of 100 (Notable)
McCamey	United States	Record low maximum temperature	12.2 C (54.0 F)	48 of 100 (Notable)
Namarah	Australia	Record daily precipitation	36.8 mm (1.4 in)	47 of 100 (Notable)
Mesa Verde Np	United States	Record low maximum temperature	12.2 C (54.0 F)	47 of 100 (Notable)
Monmouth	United States	Record low maximum temperature	14.4 C (57.9 F)	47 of 100 (Notable)
Washington	United States	Record low maximum temperature	12.8 C (55.0 F)	47 of 100 (Notable)
Sedan	United States	Record low maximum temperature	16.1 C (61.0 F)	47 of 100 (Notable)
Nevada Wtp	United States	Record low maximum temperature	16.1 C (61.0 F)	47 of 100 (Notable)
Del Norte 3ENE	United States	Record snow depth	15.2 cm (6.0 in)	46 of 100 (Notable)
Monte Vista 2W	United States	Record low maximum temperature	4.4 C (39.9 F)	46 of 100 (Notable)
Centerville	United States	Record low maximum temperature	13.3 C (55.9 F)	46 of 100 (Notable)
Greenfield	United States	Record low maximum temperature	11.7 C (53.1 F)	46 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record low maximum temperature	12.8 C (55.0 F)	46 of 100 (Notable)
Holton	United States	Record low maximum temperature	12.8 C (55.0 F)	46 of 100 (Notable)
Yemassee 1 N	United States	Record high minimum temperature	25.0 C (77.0 F)	46 of 100 (Notable)
La Harpe	United States	Record low maximum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Walnut	United States	Record low maximum temperature	15.0 C (59.0 F)	45 of 100 (Notable)
Chariton 1 E	United States	Record low maximum temperature	12.2 C (54.0 F)	45 of 100 (Notable)
Grundy Ctr	United States	Record low maximum temperature	11.1 C (52.0 F)	45 of 100 (Notable)
Red Oak	United States	Record low maximum temperature	12.8 C (55.0 F)	45 of 100 (Notable)
Princeton	United States	Record low maximum temperature	12.8 C (55.0 F)	45 of 100 (Notable)
Hooker	United States	Record low minimum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Live Oak	United States	Record high minimum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Atlantic 1 NE	United States	Record low maximum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Logan 1 WNW	United States	Record low maximum temperature	12.2 C (54.0 F)	44 of 100 (Notable)
Garnett 1 E	United States	Record low maximum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Healy	United States	Record low maximum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Meade	United States	Record low maximum temperature	12.8 C (55.0 F)	44 of 100 (Notable)
Mechanicsville 5 NE	United States	Record daily precipitation	39.4 mm (1.6 in)	44 of 100 (Notable)
Steffenville	United States	Record low maximum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
Los Lunas 3 SSW	United States	Record low maximum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Anson	United States	Record low maximum temperature	12.2 C (54.0 F)	44 of 100 (Notable)
Denton 2 SE	United States	Record low maximum temperature	20.0 C (68.0 F)	44 of 100 (Notable)

Counts by Type and Timescale

1,235 records

Records set or tied on 11 September 2020 by type: Highest daily maximum 88, Lowest daily maximum 564, Highest daily minimum 185, Lowest daily minimum 285, Heaviest daily rainfall 101, Heaviest daily snowfall 2, Deepest snow cover 10.

Records on 11 September 2020 by type
Record type	Records
Highest daily maximum	88
Lowest daily maximum	564
Highest daily minimum	185
Lowest daily minimum	285
Heaviest daily rainfall	101
Heaviest daily snowfall	2
Deepest snow cover	10

Records on 11 September 2020 by timescale: all-time 0, monthly 7, daily 1,228.

How Much Records Were Beaten By

996 broken records

Margins by which the 996 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

11 September 2020

Top 20 records on 11 September 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 2020	Meldrum (Coolawarrah), AU	daily rain	68.0 mm (2.7 in)	43.6 mm (1.7 in)	62 years	65 of 100 (Major)
11 September 2020	La Farge, US	monthly snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	72 years	61 of 100 (Major)
11 September 2020	Myton, US	daily low max	8.9 C (48.0 F)	10.0 C (18.0 F)	96 years	60 of 100 (Major)
11 September 2020	Crane, US	daily low max	12.2 C (54.0 F)	10.0 C (18.0 F)	91 years	58 of 100 (Notable)
11 September 2020	Wallumbilla Post Office, AU	daily rain	37.0 mm (1.5 in)	17.9 mm (0.7 in)	121 years	57 of 100 (Notable)
11 September 2020	Chapman, US	daily low max	12.2 C (54.0 F)	8.9 C (16.0 F)	95 years	54 of 100 (Notable)
11 September 2020	Sugarloaf Rsvr, US	daily low max	1.7 C (35.1 F)	5.5 C (9.9 F)	118 years	52 of 100 (Notable)
11 September 2020	Ballinger 2 NW, US	daily low max	13.3 C (55.9 F)	6.7 C (12.1 F)	91 years	52 of 100 (Notable)
11 September 2020	Lillington, US	daily rain	37.3 mm (1.5 in)	20.3 mm (0.8 in)	126 years	51 of 100 (Notable)
11 September 2020	Fairfield, US	daily low max	11.7 C (53.1 F)	5.5 C (9.9 F)	123 years	50 of 100 (Notable)
11 September 2020	Artesia 6S, US	daily low max	13.3 C (55.9 F)	6.1 C (11.0 F)	91 years	50 of 100 (Notable)
11 September 2020	Helena 1 SSE, US	daily low max	15.0 C (59.0 F)	6.1 C (11.0 F)	107 years	50 of 100 (Notable)
11 September 2020	Breckenridge, US	daily low max	13.3 C (55.9 F)	6.7 C (12.1 F)	91 years	50 of 100 (Notable)
11 September 2020	Eden, US	daily low max	11.7 C (53.1 F)	11.6 C (20.9 F)	51 years	50 of 100 (Notable)
11 September 2020	Langtry, US	daily low max	15.0 C (59.0 F)	13.9 C (25.0 F)	19 years	50 of 100 (Notable)
11 September 2020	Spur, US	daily low max	13.3 C (55.9 F)	6.7 C (12.1 F)	91 years	50 of 100 (Notable)
11 September 2020	Mangalore/Bajpe, IN	daily rain	258.1 mm (10.2 in)	170.2 mm (6.7 in)	10 years	49 of 100 (Notable)
11 September 2020	Scotia, US	daily high min	18.9 C (66.0 F)	3.9 C (7.0 F)	80 years	49 of 100 (Notable)
11 September 2020	Morrison, US	daily low max	13.3 C (55.9 F)	5.0 C (9.0 F)	119 years	49 of 100 (Notable)
11 September 2020	Clay Ctr, US	daily low max	12.8 C (55.0 F)	5.5 C (9.9 F)	118 years	49 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

1809 to 2020

Records set or tied on this calendar date in each year from 1809 to 2020. 2020 had 1,235 records.

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

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 2020-09-11: 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	985
50 to 100	6
100 to 150	2
150 to 200	2
200 to 250	1