Weather Records on 9 September 2011

1,328 weather records were set or tied worldwide on 9 September 2011. Highest significance: Defiance, US.

Key Facts for 9 September 2011

On 9 September 2011, 1,328 weather records were set or tied at long-record stations worldwide.
296 were record highs and 857 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 59 monthly and 1,269 daily.
Defiance set a daily record precipitation of 111.8 mm (4.4 in) on 9 September 2011.
Across 162 earlier years (1806 to 2026) the same calendar date averaged 456 records.

Record Map

1,328 stations

1,328 station records on 9 September 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 September 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Defiance	United States	Record daily precipitation	111.8 mm (4.4 in)	80 of 100 (Exceptional)
Cobbora (Ellismayne)	Australia	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
La Vega	Mexico	Record low minimum temperature	8.9 C (48.0 F)	54 of 100 (Notable)
Yanchi	China	Record daily precipitation	43.4 mm (1.7 in)	52 of 100 (Notable)
Tian-Shan	Kyrgyzstan	Record daily precipitation	25.9 mm (1.0 in)	52 of 100 (Notable)
Rostov-Na-Donu	Russia	Record daily precipitation	53.7 mm (2.1 in)	52 of 100 (Notable)
Highland Home	United States	Record low minimum temperature	10.0 C (50.0 F)	51 of 100 (Notable)
Tunnsjo	Norway	Record daily precipitation	31.5 mm (1.2 in)	50 of 100 (Notable)
Kittelfjall_D	Sweden	Record daily precipitation	53.5 mm (2.1 in)	50 of 100 (Notable)
Vienna	United States	Record daily precipitation	108.2 mm (4.3 in)	50 of 100 (Notable)
El Carmen (Smn)	Mexico	Record low maximum temperature	22.8 C (73.0 F)	49 of 100 (Notable)
Hagerstown 1E	United States	Record daily precipitation	39.4 mm (1.6 in)	49 of 100 (Notable)
El Nogal	Mexico	Record low minimum temperature	5.6 C (42.1 F)	48 of 100 (Notable)
Cave Run Lake	United States	Record low maximum temperature	15.6 C (60.1 F)	48 of 100 (Notable)
Dalecarlia Rsvr	United States	Record daily precipitation	60.2 mm (2.4 in)	48 of 100 (Notable)
Dungowan (Ravencroft)	Australia	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Tequila	Mexico	Record low minimum temperature	11.7 C (53.1 F)	47 of 100 (Notable)
Leitchfield 2 N	United States	Record low maximum temperature	17.8 C (64.0 F)	47 of 100 (Notable)
Victory Downs	Australia	Record daily precipitation	39.0 mm (1.5 in)	46 of 100 (Notable)
Merriwa (Roscommon)	Australia	Record daily precipitation	32.8 mm (1.3 in)	46 of 100 (Notable)
Fairhope 2 NE	United States	Record low minimum temperature	13.3 C (55.9 F)	45 of 100 (Notable)
Bloomington Indiana UNIV	United States	Record low maximum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Purlewaugh (Byfield)	Australia	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Macuspana (Dge)	Mexico	Record low maximum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Seymour 1 WSW	United States	Record low maximum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
Bareilly	India	Record daily precipitation	122.9 mm (4.8 in)	43 of 100 (Notable)
Sombrerete (Dge)	Mexico	Record low minimum temperature	6.7 C (44.1 F)	43 of 100 (Notable)
Luling	United States	Record low minimum temperature	12.2 C (54.0 F)	43 of 100 (Notable)
Singuilucan	Mexico	Record low minimum temperature	0.0 C (32.0 F)	42 of 100 (Notable)
Santa Rosa	Mexico	Record low minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record high minimum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
1 ENE Fairfield	United States	Record low maximum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Columbus	United States	Record low maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Oolitic Purdue Ex Fm	United States	Record low maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Shoals 8 S	United States	Record low maximum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Maysville Wwtp	United States	Record low maximum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Clarksdale	United States	Record low minimum temperature	9.4 C (48.9 F)	42 of 100 (Notable)
Highlands	United States	Record low maximum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Antlers	United States	Record low minimum temperature	7.2 C (45.0 F)	42 of 100 (Notable)
Greeneville Exp STN	United States	Record low maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Hohenwald	United States	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Colville	United States	Record high maximum temperature	36.7 C (98.1 F)	42 of 100 (Notable)
Evergreen	United States	Record low minimum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Cedartown	United States	Record low maximum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Du Quoin 4 SE	United States	Record low maximum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Vincennes 4 E	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Brookhaven City	United States	Record low minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Natchez	United States	Record low minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Meeker 5 W	United States	Record low minimum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Baton Rouge Metro AP	United States	Record low minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Lightning Ridge Post Office	Australia	Record daily precipitation	38.0 mm (1.5 in)	40 of 100 (Notable)
Binnaway (Wattle St)	Australia	Record daily precipitation	27.8 mm (1.1 in)	40 of 100 (Notable)
Moroleon	Mexico	Record low minimum temperature	5.6 C (42.1 F)	40 of 100 (Notable)
Macuspana (Dge)	Mexico	Record low minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Pueblo Nuevo	Mexico	Record low maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Tapijulapa	Mexico	Record low minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Woodville 4 ESE	United States	Record low minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
El Rito	United States	Record low maximum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Waverly	United States	Record low maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Rogersville 1 NE	United States	Record low maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,328 records

Records set or tied on 9 September 2011 by type: Highest daily maximum 160, Lowest daily maximum 255, Highest daily minimum 136, Lowest daily minimum 602, Heaviest daily rainfall 175.

Records on 9 September 2011 by type
Record type	Records
Highest daily maximum	160
Lowest daily maximum	255
Highest daily minimum	136
Lowest daily minimum	602
Heaviest daily rainfall	175
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 September 2011 by timescale: all-time 0, monthly 59, daily 1,269.

How Much Records Were Beaten By

1,005 broken records

Margins by which the 1,005 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.1. Ties are not counted.

Top 20 by Significance

9 September 2011

Top 20 records on 9 September 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 2011	Defiance, US	daily rain	111.8 mm (4.4 in)	82.1 mm (3.2 in)	108 years	80 of 100 (Exceptional)
9 September 2011	Cobbora (Ellismayne), AU	daily rain	33.0 mm (1.3 in)	12.2 mm (0.5 in)	104 years	54 of 100 (Notable)
9 September 2011	La Vega, MX	daily low min	8.9 C (48.0 F)	6.1 C (11.0 F)	52 years	54 of 100 (Notable)
9 September 2011	Yanchi, CN	daily rain	43.4 mm (1.7 in)	33.1 mm (1.3 in)	25 years	52 of 100 (Notable)
9 September 2011	Tian-Shan, KG	monthly rain	25.9 mm (1.0 in)	4.0 mm (0.16 in)	71 years	52 of 100 (Notable)
9 September 2011	Rostov-Na-Donu, RU	monthly rain	53.7 mm (2.1 in)	8.8 mm (0.35 in)	71 years	52 of 100 (Notable)
9 September 2011	Highland Home, US	daily low min	10.0 C (50.0 F)	3.9 C (7.0 F)	108 years	51 of 100 (Notable)
9 September 2011	Tunnsjo, NO	daily rain	31.5 mm (1.2 in)	7.3 mm (0.29 in)	88 years	50 of 100 (Notable)
9 September 2011	Kittelfjall_D, SE	daily rain	53.5 mm (2.1 in)	31.0 mm (1.2 in)	16 years	50 of 100 (Notable)
9 September 2011	Vienna, US	daily rain	108.2 mm (4.3 in)	79.8 mm (3.1 in)	6 years	50 of 100 (Notable)
9 September 2011	El Carmen (Smn), MX	monthly low max	22.8 C (73.0 F)	2.2 C (4.0 F)	68 years	49 of 100 (Notable)
9 September 2011	Hagerstown 1E, US	daily rain	39.4 mm (1.6 in)	13.5 mm (0.5 in)	106 years	49 of 100 (Notable)
9 September 2011	El Nogal, MX	daily low min	5.6 C (42.1 F)	4.4 C (7.9 F)	52 years	48 of 100 (Notable)
9 September 2011	Cave Run Lake, US	daily low max	15.6 C (60.1 F)	5.5 C (9.9 F)	86 years	48 of 100 (Notable)
9 September 2011	Dalecarlia Rsvr, US	daily rain	60.2 mm (2.4 in)	43.4 mm (1.7 in)	60 years	48 of 100 (Notable)
9 September 2011	Dungowan (Ravencroft), AU	daily rain	33.5 mm (1.3 in)	25.1 mm (1.0 in)	45 years	47 of 100 (Notable)
9 September 2011	Tequila, MX	daily low min	11.7 C (53.1 F)	3.9 C (7.0 F)	49 years	47 of 100 (Notable)
9 September 2011	Leitchfield 2 N, US	daily low max	17.8 C (64.0 F)	3.3 C (5.9 F)	108 years	47 of 100 (Notable)
9 September 2011	Victory Downs, AU	daily rain	39.0 mm (1.5 in)	25.6 mm (1.0 in)	28 years	46 of 100 (Notable)
9 September 2011	Merriwa (Roscommon), AU	daily rain	32.8 mm (1.3 in)	28.8 mm (1.1 in)	6 years	46 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

1806 to 2011

Records set or tied on this calendar date in each year from 1806 to 2011. 2011 had 1,328 records.

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

Records on 09-09 in each year
Year	Records
1806	1
1812	1
1813	1
1814	2
1834	1
1836	1
1845	1
1847	1
1848	1
1849	2
1850	1
1854	1
1864	2
1865	3
1866	3
1867	1
1869	1
1871	1
1873	1
1878	1
1879	1
1880	2
1883	3
1884	4
1886	1
1888	4
1889	1
1890	1
1891	1
1892	4
1893	4
1894	3
1895	7
1897	3
1898	5
1899	6
1900	1
1901	4
1902	5
1903	14
1904	9
1905	8
1906	24
1907	9
1908	5
1909	9
1910	17
1911	27
1912	48
1913	12
1914	69
1915	48
1916	16
1917	44
1918	40
1919	74
1920	145
1921	92
1922	115
1923	58
1924	232
1925	248
1926	168
1927	246
1928	108
1929	362
1930	211
1931	558
1932	302
1933	433
1934	256
1935	461
1936	297
1937	242
1938	416
1939	429
1940	294
1941	763
1942	357
1943	596
1944	719
1945	355
1946	366
1947	465
1948	307
1949	1,407
1950	426
1951	338
1952	511
1953	344
1954	283
1955	608
1956	742
1957	390
1958	419
1959	736
1960	492
1961	383
1962	847
1963	400
1964	488
1965	326
1966	366
1967	367
1968	440
1969	603
1970	584
1971	498
1972	464
1973	517
1974	689
1975	555
1976	773
1977	410
1978	702
1979	878
1980	829
1981	1,011
1982	814
1983	958
1984	1,304
1985	1,269
1986	1,026
1987	676
1988	836
1989	983
1990	762
1991	882
1992	620
1993	886
1994	892
1995	937
1996	809
1997	837
1998	1,667
1999	1,013
2000	811
2001	1,647
2002	1,355
2003	786
2004	1,603
2005	1,068
2006	917
2007	948
2008	1,161
2009	792
2010	1,049
2011	1,328
2012	681
2013	974
2014	590
2015	806
2016	1,210
2017	661
2018	876
2019	953
2020	2,579
2021	1,458
2022	1,094
2023	1,222
2024	1,146
2025	520
2026	815

Download the Data

Data for records on 2011-09-09: 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	985
20 to 40	15
40 to 60	2
60 to 80	2
80 to 100	1