Weather Records on 1 September 2011

1,071 weather records were set or tied worldwide on 1 September 2011. Highest significance: Beja, PT.

Key Facts for 1 September 2011

On 1 September 2011, 1,071 weather records were set or tied at long-record stations worldwide.
808 were record highs and 149 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 185 monthly and 883 daily.
Beja set a daily record precipitation of 58.9 mm (2.3 in) on 1 September 2011.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 437 records.

Record Map

1,071 stations

1,071 station records on 1 September 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beja	Portugal	Record daily precipitation	58.9 mm (2.3 in)	66 of 100 (Major)
Sredny Vasjugan	Russia	Record daily precipitation	28.2 mm (1.1 in)	62 of 100 (Major)
Maebashi	Japan	Record daily precipitation	152.4 mm (6.0 in)	57 of 100 (Notable)
Sysma Joutsjarvi	Finland	Record daily precipitation	28.0 mm (1.1 in)	54 of 100 (Notable)
Kozhikode	India	Record daily precipitation	106.9 mm (4.2 in)	52 of 100 (Notable)
Bredette	United States	Record daily precipitation	33.3 mm (1.3 in)	52 of 100 (Notable)
Taloga	United States	Record high minimum temperature	26.7 C (80.1 F)	52 of 100 (Notable)
Chapantongo	Mexico	Record daily precipitation	119.9 mm (4.7 in)	51 of 100 (Notable)
Paradise	United States	Record high maximum temperature	33.3 C (91.9 F)	51 of 100 (Notable)
Ft Scott	United States	Record high minimum temperature	27.8 C (82.0 F)	50 of 100 (Notable)
Fujin	China	Record daily precipitation	38.5 mm (1.5 in)	49 of 100 (Notable)
Kawaguchiko	Japan	Record daily precipitation	191.0 mm (7.5 in)	46 of 100 (Notable)
Weatherford	United States	Record high minimum temperature	26.7 C (80.1 F)	46 of 100 (Notable)
Mulege	Mexico	Record daily precipitation	125.0 mm (4.9 in)	45 of 100 (Notable)
Belcourt Keya Radio	United States	Record daily precipitation	39.6 mm (1.6 in)	45 of 100 (Notable)
Coldwater	United States	Record high minimum temperature	27.2 C (81.0 F)	44 of 100 (Notable)
Columbus	United States	Record high minimum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Poronajsk	Russia	Record high minimum temperature	18.6 C (65.5 F)	43 of 100 (Notable)
Nikolskoye/Beringa Ostrov	Russia	Record high maximum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Ft Grant	United States	Record high maximum temperature	37.8 C (100.0 F)	43 of 100 (Notable)
Fairfield	United States	Record low minimum temperature	6.1 C (43.0 F)	43 of 100 (Notable)
Buffalo 2N	United States	Record high minimum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Aanekoski Kalaniemi	Finland	Record daily precipitation	30.8 mm (1.2 in)	41 of 100 (Notable)
Timovskoe	Russia	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Willcox	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Waynesboro 2 W	United States	Record high maximum temperature	37.2 C (99.0 F)	41 of 100 (Notable)
Guthrie 5S	United States	Record high minimum temperature	27.2 C (81.0 F)	41 of 100 (Notable)
Ajacuba (Dge)	Mexico	Record daily precipitation	63.0 mm (2.5 in)	40 of 100 (Notable)
Badajoz/Talavera la Real	Spain	Record daily precipitation	34.2 mm (1.3 in)	40 of 100 (Notable)
Cimarron	United States	Record high minimum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Hugoton	United States	Record high maximum temperature	39.4 C (102.9 F)	40 of 100 (Notable)
Liberal	United States	Record high maximum temperature	41.7 C (107.1 F)	40 of 100 (Notable)
Houston	United States	Record high minimum temperature	23.3 C (73.9 F)	40 of 100 (Notable)
Taloga	United States	Record high maximum temperature	41.1 C (106.0 F)	40 of 100 (Notable)
Tuba City	United States	Record low minimum temperature	5.0 C (41.0 F)	39 of 100 (Notable)
Abilene	United States	Record high minimum temperature	28.9 C (84.0 F)	39 of 100 (Notable)
Carthage	United States	Record high minimum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Topeka Forbes Fld	United States	Record high minimum temperature	27.2 C (81.0 F)	39 of 100 (Notable)
Skikda	Algeria	Record high maximum temperature	40.9 C (105.6 F)	38 of 100 (Notable)
Troy	United States	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Champaign 3S	United States	Record high maximum temperature	38.9 C (102.0 F)	38 of 100 (Notable)
Topeka ASOS	United States	Record high minimum temperature	27.2 C (81.0 F)	38 of 100 (Notable)
Kalingapatam	India	Record daily precipitation	83.1 mm (3.3 in)	37 of 100 (Notable)
Villa de Chiapilla	Mexico	Record low maximum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
El Manantial	Mexico	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Lakin	United States	Record high maximum temperature	40.6 C (105.1 F)	37 of 100 (Notable)
Sublette 7WSW	United States	Record high minimum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Quincy Rgnl AP	United States	Record high maximum temperature	40.0 C (104.0 F)	37 of 100 (Notable)
Buenavista de Cuellar	Mexico	Record low maximum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Texcoco (Dge)	Mexico	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Petaluma AP	United States	Record low minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Sublette 7WSW	United States	Record high maximum temperature	40.0 C (104.0 F)	36 of 100 (Notable)
Ulysses 3NE	United States	Record high maximum temperature	40.0 C (104.0 F)	36 of 100 (Notable)
Hereford	United States	Record high maximum temperature	38.3 C (100.9 F)	36 of 100 (Notable)
Grand Junction Walker Fld	United States	Record high minimum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Clermont-Ferrand	France	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Santa Catarina Sur	Mexico	Record low minimum temperature	2.8 C (37.0 F)	35 of 100 (Notable)
Abasolo	Mexico	Record daily precipitation	54.9 mm (2.2 in)	35 of 100 (Notable)
Aldama (Dge)	Mexico	Record low minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Semjachik	Russia	Record high minimum temperature	14.5 C (58.1 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,071 records

Records set or tied on 1 September 2011 by type: Highest daily maximum 358, Lowest daily maximum 85, Highest daily minimum 450, Lowest daily minimum 64, Heaviest daily rainfall 114.

Records on 1 September 2011 by type
Record type	Records
Highest daily maximum	358
Lowest daily maximum	85
Highest daily minimum	450
Lowest daily minimum	64
Heaviest daily rainfall	114
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 2011 by timescale: all-time 3, monthly 185, daily 883.

How Much Records Were Beaten By

673 broken records

Margins by which the 673 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 106.2. Ties are not counted.

Top 20 by Significance

1 September 2011

Top 20 records on 1 September 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 2011	Beja, PT	daily rain	58.9 mm (2.3 in)	57.7 mm (2.3 in)	64 years	66 of 100 (Major)
1 September 2011	Sredny Vasjugan, RU	daily rain	28.2 mm (1.1 in)	16.2 mm (0.6 in)	60 years	62 of 100 (Major)
1 September 2011	Maebashi, JP	daily rain	152.4 mm (6.0 in)	85.9 mm (3.4 in)	36 years	57 of 100 (Notable)
1 September 2011	Sysma Joutsjarvi, FI	daily rain	28.0 mm (1.1 in)	18.6 mm (0.7 in)	44 years	54 of 100 (Notable)
1 September 2011	Kozhikode, IN	daily rain	106.9 mm (4.2 in)	45.9 mm (1.8 in)	64 years	52 of 100 (Notable)
1 September 2011	Bredette, US	daily rain	33.3 mm (1.3 in)	19.6 mm (0.8 in)	37 years	52 of 100 (Notable)
1 September 2011	Taloga, US	monthly high min	26.7 C (80.1 F)	1.1 C (2.0 F)	104 years	52 of 100 (Notable)
1 September 2011	Chapantongo, MX	all-time rain	119.9 mm (4.7 in)	24.1 mm (0.9 in)	20 years	51 of 100 (Notable)
1 September 2011	Paradise, US	monthly high max	33.3 C (91.9 F)	0.5 C (0.9 F)	100 years	51 of 100 (Notable)
1 September 2011	Ft Scott, US	monthly high min	27.8 C (82.0 F)	1.1 C (2.0 F)	95 years	50 of 100 (Notable)
1 September 2011	Fujin, CN	daily rain	38.5 mm (1.5 in)	25.9 mm (1.0 in)	40 years	49 of 100 (Notable)
1 September 2011	Kawaguchiko, JP	daily rain	191.0 mm (7.5 in)	92.5 mm (3.6 in)	36 years	46 of 100 (Notable)
1 September 2011	Weatherford, US	monthly high min	26.7 C (80.1 F)	0.6 C (1.1 F)	83 years	46 of 100 (Notable)
1 September 2011	Mulege, MX	daily rain	125.0 mm (4.9 in)	106.2 mm (4.2 in)	28 years	45 of 100 (Notable)
1 September 2011	Belcourt Keya Radio, US	daily rain	39.6 mm (1.6 in)	24.4 mm (1.0 in)	37 years	45 of 100 (Notable)
1 September 2011	Coldwater, US	monthly high min	27.2 C (81.0 F)	0.5 C (0.9 F)	79 years	44 of 100 (Notable)
1 September 2011	Columbus, US	monthly high min	26.1 C (79.0 F)	1.1 C (2.0 F)	74 years	44 of 100 (Notable)
1 September 2011	Poronajsk, RU	monthly high min	18.6 C (65.5 F)	0.9 C (1.6 F)	72 years	43 of 100 (Notable)
1 September 2011	Nikolskoye/Beringa Ostrov, RU	daily high max	17.2 C (63.0 F)	1.0 C (1.8 F)	94 years	43 of 100 (Notable)
1 September 2011	Ft Grant, US	daily high max	37.8 C (100.0 F)	1.1 C (2.0 F)	106 years	43 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 2011

Records set or tied on this calendar date in each year from 1797 to 2011. 2011 had 1,071 records.

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

Records on 09-01 in each year
Year	Records
1797	1
1806	1
1819	1
1827	1
1831	1
1838	1
1851	1
1853	1
1854	1
1857	1
1858	1
1859	1
1860	2
1861	1
1865	1
1866	1
1867	2
1869	3
1871	1
1873	1
1876	2
1877	2
1878	3
1879	2
1881	5
1883	1
1886	3
1887	3
1888	2
1890	2
1892	2
1894	3
1897	4
1898	10
1899	3
1900	2
1901	14
1902	5
1903	16
1904	9
1905	6
1906	26
1907	14
1908	26
1909	34
1910	22
1911	16
1912	47
1913	32
1914	23
1915	46
1916	16
1917	24
1918	31
1919	19
1920	31
1921	46
1922	67
1923	75
1924	210
1925	127
1926	182
1927	136
1928	166
1929	324
1930	264
1931	233
1932	550
1933	622
1934	654
1935	584
1936	385
1937	502
1938	373
1939	303
1940	333
1941	497
1942	532
1943	578
1944	377
1945	497
1946	642
1947	555
1948	460
1949	1,102
1950	849
1951	668
1952	644
1953	937
1954	407
1955	413
1956	504
1957	320
1958	427
1959	519
1960	408
1961	531
1962	368
1963	416
1964	621
1965	657
1966	596
1967	1,263
1968	604
1969	493
1970	502
1971	464
1972	518
1973	874
1974	895
1975	939
1976	627
1977	500
1978	809
1979	459
1980	671
1981	649
1982	642
1983	1,167
1984	619
1985	901
1986	964
1987	909
1988	651
1989	823
1990	749
1991	687
1992	1,010
1993	1,122
1994	1,291
1995	1,165
1996	823
1997	1,161
1998	1,159
1999	925
2000	1,613
2001	904
2002	778
2003	1,254
2004	827
2005	901
2006	1,157
2007	976
2008	1,204
2009	1,003
2010	1,313
2011	1,071
2012	874
2013	775
2014	515
2015	661
2016	522
2017	686
2018	399
2019	800
2020	689
2021	751
2022	1,016
2023	720
2024	938
2025	359
2026	521

Download the Data

Data for records on 2011-09-01: 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 2026-10-16 (16 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	654
20 to 40	13
40 to 60	3
60 to 80	0
80 to 100	2
100 to 120	1