Weather Records on 4 September 2020

957 weather records were set or tied worldwide on 4 September 2020. Highest significance: Pechora, RU.

Key Facts for 4 September 2020

On 4 September 2020, 957 weather records were set or tied at long-record stations worldwide.
851 were record highs and 26 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 202 monthly and 751 daily.
Pechora set an all-time record daily precipitation of 99.1 mm (3.9 in) on 4 September 2020.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 448 records.

Record Map

957 stations

957 station records on 4 September 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pechora	Russia	Record daily precipitation	99.1 mm (3.9 in)	73 of 100 (Major)
Guba	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	69 of 100 (Major)
Nix Store 1 W	United States	Record daily precipitation	108.5 mm (4.3 in)	65 of 100 (Major)
Stevensville 2SW	United States	Record daily precipitation	68.6 mm (2.7 in)	57 of 100 (Notable)
Waverly	United States	Record daily precipitation	51.8 mm (2.0 in)	55 of 100 (Notable)
Madisonville	United States	Record daily precipitation	142.7 mm (5.6 in)	53 of 100 (Notable)
Gabes	Tunisia	Record daily precipitation	47.0 mm (1.9 in)	51 of 100 (Notable)
Duncan	United States	Record high maximum temperature	40.0 C (104.0 F)	51 of 100 (Notable)
Elat	Israel	Record high maximum temperature	48.9 C (120.0 F)	50 of 100 (Notable)
Whitney Dam	United States	Record daily precipitation	78.5 mm (3.1 in)	50 of 100 (Notable)
Buffalo Bill Dam	United States	Record high maximum temperature	34.4 C (93.9 F)	50 of 100 (Notable)
Blanco	United States	Record high minimum temperature	30.0 C (86.0 F)	48 of 100 (Notable)
Suldalsvatn	Norway	Record daily precipitation	45.7 mm (1.8 in)	46 of 100 (Notable)
Ceahlau Toaca	Romania	Record daily precipitation	28.7 mm (1.1 in)	44 of 100 (Notable)
Avon Park 2 W	United States	Record high minimum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Fayetteville (Pwc)	United States	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Ely AP	United States	Record high maximum temperature	35.0 C (95.0 F)	43 of 100 (Notable)
Tucson Intl AP	United States	Record high maximum temperature	43.3 C (109.9 F)	43 of 100 (Notable)
Qiqihar	China	Record daily precipitation	55.1 mm (2.2 in)	42 of 100 (Notable)
Ajo	United States	Record high maximum temperature	45.6 C (114.1 F)	42 of 100 (Notable)
Tarboro 1 S	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Darlington	United States	Record high minimum temperature	25.0 C (77.0 F)	42 of 100 (Notable)
Bishop AP	United States	Record high maximum temperature	41.7 C (107.1 F)	42 of 100 (Notable)
Winnemucca AP	United States	Record high maximum temperature	40.0 C (104.0 F)	42 of 100 (Notable)
Casa Grande	United States	Record high maximum temperature	45.6 C (114.1 F)	41 of 100 (Notable)
Clayton 1 SSW	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Lahontan Dam	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Mina	United States	Record high maximum temperature	39.4 C (102.9 F)	41 of 100 (Notable)
Monroe 2 SE	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Roxboro 7 ESE	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Loa	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Bayard	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Batesburg	United States	Record high minimum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Bondurant	United States	Record high maximum temperature	32.8 C (91.0 F)	40 of 100 (Notable)
Reno AP	United States	Record high maximum temperature	38.9 C (102.0 F)	40 of 100 (Notable)
Ekimchan	Russia	Record high maximum temperature	26.8 C (80.2 F)	39 of 100 (Notable)
Hartwell	United States	Record high minimum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Missoula 6 NW WFO	United States	Record high maximum temperature	34.4 C (93.9 F)	39 of 100 (Notable)
Peebles	United States	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
Orlando Sanford AP	United States	Record high minimum temperature	26.1 C (79.0 F)	39 of 100 (Notable)
Barstow-Daggett AP	United States	Record high maximum temperature	45.0 C (113.0 F)	39 of 100 (Notable)
Tegucigalpa	Honduras	Record daily precipitation	29.0 mm (1.1 in)	38 of 100 (Notable)
Tumacacori Nm	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Fischers Store	United States	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Austin Bergstrom Intl AP	United States	Record daily precipitation	90.2 mm (3.6 in)	38 of 100 (Notable)
Falls City 7 WSW	United States	Record daily precipitation	75.4 mm (3.0 in)	37 of 100 (Notable)
Fallon Naas	United States	Record high maximum temperature	40.0 C (104.0 F)	37 of 100 (Notable)
Norfolk Intl AP	United States	Record high minimum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Williams	United States	Record high maximum temperature	32.8 C (91.0 F)	35 of 100 (Notable)
Cordes	United States	Record high maximum temperature	39.4 C (102.9 F)	34 of 100 (Routine)
Tonopah	United States	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Mtn Park	United States	Record high minimum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Varfu Omul	Romania	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Naimakka	Sweden	Record daily precipitation	25.3 mm (1.0 in)	33 of 100 (Routine)
Natural Brg	United States	Record high maximum temperature	36.7 C (98.1 F)	33 of 100 (Routine)
Searchlight	United States	Record high maximum temperature	41.1 C (106.0 F)	33 of 100 (Routine)
Gilmore Creek	United States	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Cold Bay AP	United States	Record low minimum temperature	0.0 C (32.0 F)	33 of 100 (Routine)
Gottingen	Germany	Record high minimum temperature	16.3 C (61.3 F)	32 of 100 (Routine)
Alpine	United States	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)

Counts by Type and Timescale

957 records

Records set or tied on 4 September 2020 by type: Highest daily maximum 524, Lowest daily maximum 15, Highest daily minimum 327, Lowest daily minimum 11, Heaviest daily rainfall 80.

Records on 4 September 2020 by type
Record type	Records
Highest daily maximum	524
Lowest daily maximum	15
Highest daily minimum	327
Lowest daily minimum	11
Heaviest daily rainfall	80
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 2020 by timescale: all-time 4, monthly 202, daily 751.

How Much Records Were Beaten By

675 broken records

Margins by which the 675 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 104.6. Ties are not counted.

Top 20 by Significance

4 September 2020

Top 20 records on 4 September 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 2020	Pechora, RU	all-time rain	99.1 mm (3.9 in)	45.1 mm (1.8 in)	22 years	73 of 100 (Major)
4 September 2020	Guba, AZ	daily rain	99.3 mm (3.9 in)	68.3 mm (2.7 in)	72 years	69 of 100 (Major)
4 September 2020	Nix Store 1 W, US	daily rain	108.5 mm (4.3 in)	76.7 mm (3.0 in)	67 years	65 of 100 (Major)
4 September 2020	Stevensville 2SW, US	daily rain	68.6 mm (2.7 in)	35.6 mm (1.4 in)	85 years	57 of 100 (Notable)
4 September 2020	Waverly, US	daily rain	51.8 mm (2.0 in)	23.6 mm (0.9 in)	85 years	55 of 100 (Notable)
4 September 2020	Madisonville, US	daily rain	142.7 mm (5.6 in)	104.6 mm (4.1 in)	11 years	53 of 100 (Notable)
4 September 2020	Gabes, TN	daily rain	47.0 mm (1.9 in)	46.1 mm (1.8 in)	69 years	51 of 100 (Notable)
4 September 2020	Duncan, US	monthly high max	40.0 C (104.0 F)	0.6 C (1.1 F)	116 years	51 of 100 (Notable)
4 September 2020	Elat, IL	all-time high max	48.9 C (120.0 F)	1.7 C (3.1 F)	54 years	50 of 100 (Notable)
4 September 2020	Whitney Dam, US	daily rain	78.5 mm (3.1 in)	51.3 mm (2.0 in)	67 years	50 of 100 (Notable)
4 September 2020	Buffalo Bill Dam, US	monthly high max	34.4 C (93.9 F)	0.5 C (0.9 F)	104 years	50 of 100 (Notable)
4 September 2020	Blanco, US	daily high min	30.0 C (86.0 F)	3.3 C (5.9 F)	123 years	48 of 100 (Notable)
4 September 2020	Suldalsvatn, NO	daily rain	45.7 mm (1.8 in)	7.5 mm (0.30 in)	108 years	46 of 100 (Notable)
4 September 2020	Ceahlau Toaca, RO	daily rain	28.7 mm (1.1 in)	18.3 mm (0.7 in)	24 years	44 of 100 (Notable)
4 September 2020	Avon Park 2 W, US	daily high min	25.0 C (77.0 F)	0.6 C (1.1 F)	108 years	44 of 100 (Notable)
4 September 2020	Fayetteville (Pwc), US	daily high min	24.4 C (75.9 F)	1.6 C (2.9 F)	99 years	43 of 100 (Notable)
4 September 2020	Ely AP, US	monthly high max	35.0 C (95.0 F)	1.1 C (2.0 F)	70 years	43 of 100 (Notable)
4 September 2020	Tucson Intl AP, US	monthly high max	43.3 C (109.9 F)	1.6 C (2.9 F)	72 years	43 of 100 (Notable)
4 September 2020	Qiqihar, CN	daily rain	55.1 mm (2.2 in)	19.7 mm (0.8 in)	33 years	42 of 100 (Notable)
4 September 2020	Ajo, US	monthly high max	45.6 C (114.1 F)	0.6 C (1.1 F)	70 years	42 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

1802 to 2020

Records set or tied on this calendar date in each year from 1802 to 2020. 2020 had 957 records.

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

Records on 09-04 in each year
Year	Records
1802	1
1805	1
1823	1
1833	1
1837	1
1839	1
1845	1
1847	1
1850	1
1854	1
1856	1
1857	1
1858	1
1861	1
1863	1
1864	1
1867	1
1868	1
1869	2
1871	1
1872	4
1874	1
1875	1
1877	1
1880	4
1881	1
1883	2
1885	3
1887	1
1888	2
1889	1
1890	1
1891	5
1894	4
1895	6
1896	1
1897	4
1898	9
1899	4
1900	1
1901	4
1902	4
1903	2
1904	7
1905	18
1906	16
1907	22
1908	9
1909	23
1910	91
1911	25
1912	29
1913	29
1914	19
1915	37
1916	24
1917	40
1918	96
1919	48
1920	105
1921	105
1922	62
1923	325
1924	167
1925	339
1926	256
1927	68
1928	341
1929	371
1930	102
1931	477
1932	429
1933	424
1934	393
1935	514
1936	309
1937	411
1938	236
1939	434
1940	287
1941	528
1942	323
1943	472
1944	341
1945	542
1946	431
1947	618
1948	409
1949	370
1950	642
1951	404
1952	645
1953	869
1954	372
1955	465
1956	586
1957	250
1958	384
1959	316
1960	552
1961	909
1962	733
1963	443
1964	507
1965	611
1966	428
1967	786
1968	546
1969	510
1970	644
1971	717
1972	513
1973	530
1974	2,279
1975	432
1976	582
1977	386
1978	940
1979	461
1980	355
1981	582
1982	617
1983	1,040
1984	1,107
1985	915
1986	663
1987	685
1988	1,259
1989	681
1990	787
1991	708
1992	1,132
1993	859
1994	1,001
1995	1,287
1996	907
1997	1,452
1998	1,564
1999	1,479
2000	1,336
2001	833
2002	767
2003	1,094
2004	898
2005	998
2006	1,268
2007	1,077
2008	1,335
2009	914
2010	1,804
2011	1,310
2012	1,209
2013	630
2014	461
2015	893
2016	597
2017	881
2018	758
2019	616
2020	957
2021	544
2022	1,256
2023	1,290
2024	985
2025	635
2026	1,222

Download the Data

Data for records on 2020-09-04: 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	658
20 to 40	10
40 to 60	4
60 to 80	2
80 to 100	0
100 to 120	1