Weather Records on 12 September 2009

876 weather records were set or tied worldwide on 12 September 2009. Highest significance: Jarrell, US.

Key Facts for 12 September 2009

On 12 September 2009, 876 weather records were set or tied at long-record stations worldwide.
477 were record highs and 203 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 35 monthly and 840 daily.
Jarrell set an all-time record daily precipitation of 364.0 mm (14.3 in) on 12 September 2009.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 410 records.

Record Map

876 stations

876 station records on 12 September 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jarrell	United States	Record daily precipitation	364.0 mm (14.3 in)	84 of 100 (Exceptional)
Junction 4SSW	United States	Record daily precipitation	106.2 mm (4.2 in)	67 of 100 (Major)
Springer	United States	Record daily precipitation	61.0 mm (2.4 in)	61 of 100 (Major)
Emerson	United States	Record daily precipitation	141.0 mm (5.6 in)	59 of 100 (Notable)
Limon	United States	Record daily precipitation	30.5 mm (1.2 in)	59 of 100 (Notable)
Melbourne Regional Office	Australia	Record high maximum temperature	29.9 C (85.8 F)	54 of 100 (Notable)
Bradenton 5 ESE	United States	Record daily precipitation	153.2 mm (6.0 in)	54 of 100 (Notable)
Brazos	United States	Record daily precipitation	90.9 mm (3.6 in)	50 of 100 (Notable)
Rison	United States	Record daily precipitation	94.0 mm (3.7 in)	49 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	17.2 C (63.0 F)	45 of 100 (Notable)
Junction Kimble Co AP	United States	Record daily precipitation	62.0 mm (2.4 in)	45 of 100 (Notable)
Llano	United States	Record daily precipitation	66.0 mm (2.6 in)	44 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high maximum temperature	26.2 C (79.2 F)	43 of 100 (Notable)
Ola	United States	Record high maximum temperature	35.0 C (95.0 F)	42 of 100 (Notable)
Grand Coteau	United States	Record low maximum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Virginia City	United States	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Rapid City Rgnl AP	United States	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Tubuai	French Polynesia	Record daily precipitation	55.1 mm (2.2 in)	41 of 100 (Notable)
Willits 1 NE	United States	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Sussex 1 NW	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Ft Davis	United States	Record low maximum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Waxahachie	United States	Record daily precipitation	68.6 mm (2.7 in)	41 of 100 (Notable)
Offerle 5 S	United States	Record daily precipitation	59.4 mm (2.3 in)	40 of 100 (Notable)
Carthage	United States	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Finike	Turkey	Record low maximum temperature	22.1 C (71.8 F)	39 of 100 (Notable)
Cedar Lake	United States	Record high minimum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
San Angelo	United States	Record daily precipitation	53.3 mm (2.1 in)	39 of 100 (Notable)
San Jose	Mexico	Record daily precipitation	69.9 mm (2.8 in)	38 of 100 (Notable)
Boca	United States	Record high minimum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Hingham	United States	Record daily precipitation	97.5 mm (3.8 in)	38 of 100 (Notable)
Progresso	United States	Record daily precipitation	41.1 mm (1.6 in)	38 of 100 (Notable)
Sabinal	United States	Record daily precipitation	31.5 mm (1.2 in)	38 of 100 (Notable)
Blue Hill Coop	United States	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Estacada 2 SE	United States	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Dundee 6 NNW	United States	Record daily precipitation	74.9 mm (2.9 in)	37 of 100 (Notable)
Mount Gambier Post Office	Australia	Record high maximum temperature	26.3 C (79.3 F)	36 of 100 (Notable)
Greensburg	United States	Record daily precipitation	31.0 mm (1.2 in)	36 of 100 (Notable)
Amherst	United States	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Lehigh 4 SW	United States	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
W Chester 2 NW	United States	Record low maximum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Ballarat Aerodrome	Australia	Record high maximum temperature	26.2 C (79.2 F)	35 of 100 (Notable)
Moundou	Chad	Record high minimum temperature	24.5 C (76.1 F)	35 of 100 (Notable)
Simao	China	Record daily precipitation	52.1 mm (2.1 in)	35 of 100 (Notable)
Aberdeen Phillips Fld	United States	Record low maximum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Essendon Airport	Australia	Record high maximum temperature	30.3 C (86.5 F)	34 of 100 (Routine)
Ararat Prison	Australia	Record high maximum temperature	27.9 C (82.2 F)	34 of 100 (Routine)
Boca	United States	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Weaverville	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Walthill 1E	United States	Record daily precipitation	56.4 mm (2.2 in)	34 of 100 (Routine)
Selinsgrove 2 S	United States	Record low maximum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Budapest	Hungary	Record high minimum temperature	19.8 C (67.6 F)	33 of 100 (Routine)
Atlatlahuacan	Mexico	Record high minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Covelo	United States	Record high minimum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
St Petersburg	United States	Record daily precipitation	89.7 mm (3.5 in)	33 of 100 (Routine)
Bridgeport	United States	Record daily precipitation	93.5 mm (3.7 in)	33 of 100 (Routine)
McGregor	United States	Record daily precipitation	83.8 mm (3.3 in)	33 of 100 (Routine)
Woomera Aerodrome	Australia	Record high minimum temperature	19.6 C (67.3 F)	32 of 100 (Routine)
Lameroo Comparison	Australia	Record high maximum temperature	34.0 C (93.2 F)	32 of 100 (Routine)
Mount Gambier Aero	Australia	Record high maximum temperature	26.3 C (79.3 F)	32 of 100 (Routine)
Surnadal	Norway	Record daily precipitation	43.4 mm (1.7 in)	32 of 100 (Routine)

Counts by Type and Timescale

876 records

Records set or tied on 12 September 2009 by type: Highest daily maximum 276, Lowest daily maximum 160, Highest daily minimum 201, Lowest daily minimum 43, Heaviest daily rainfall 196.

Records on 12 September 2009 by type
Record type	Records
Highest daily maximum	276
Lowest daily maximum	160
Highest daily minimum	201
Lowest daily minimum	43
Heaviest daily rainfall	196
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 2009 by timescale: all-time 1, monthly 35, daily 840.

How Much Records Were Beaten By

670 broken records

Margins by which the 670 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 174.5. Ties are not counted.

Top 20 by Significance

12 September 2009

Top 20 records on 12 September 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 2009	Jarrell, US	all-time rain	364.0 mm (14.3 in)	174.5 mm (6.9 in)	55 years	84 of 100 (Exceptional)
12 September 2009	Junction 4SSW, US	daily rain	106.2 mm (4.2 in)	65.6 mm (2.6 in)	84 years	67 of 100 (Major)
12 September 2009	Springer, US	daily rain	61.0 mm (2.4 in)	34.3 mm (1.4 in)	67 years	61 of 100 (Major)
12 September 2009	Emerson, US	monthly rain	141.0 mm (5.6 in)	53.1 mm (2.1 in)	13 years	59 of 100 (Notable)
12 September 2009	Limon, US	daily rain	30.5 mm (1.2 in)	20.8 mm (0.8 in)	56 years	59 of 100 (Notable)
12 September 2009	Melbourne Regional Office, AU	daily high max	29.9 C (85.8 F)	5.0 C (9.0 F)	106 years	54 of 100 (Notable)
12 September 2009	Bradenton 5 ESE, US	daily rain	153.2 mm (6.0 in)	92.7 mm (3.6 in)	36 years	54 of 100 (Notable)
12 September 2009	Brazos, US	daily rain	90.9 mm (3.6 in)	45.9 mm (1.8 in)	48 years	50 of 100 (Notable)
12 September 2009	Rison, US	daily rain	94.0 mm (3.7 in)	17.8 mm (0.7 in)	110 years	49 of 100 (Notable)
12 September 2009	Nevada City, US	daily high min	17.2 C (63.0 F)	2.2 C (4.0 F)	108 years	45 of 100 (Notable)
12 September 2009	Junction Kimble Co AP, US	daily rain	62.0 mm (2.4 in)	31.0 mm (1.2 in)	46 years	45 of 100 (Notable)
12 September 2009	Llano, US	daily rain	66.0 mm (2.6 in)	8.8 mm (0.35 in)	108 years	44 of 100 (Notable)
12 September 2009	Cape Otway Lighthouse, AU	daily high max	26.2 C (79.2 F)	1.2 C (2.2 F)	125 years	43 of 100 (Notable)
12 September 2009	Ola, US	daily high max	35.0 C (95.0 F)	1.1 C (2.0 F)	109 years	42 of 100 (Notable)
12 September 2009	Grand Coteau, US	daily low max	24.4 C (75.9 F)	0.6 C (1.1 F)	114 years	42 of 100 (Notable)
12 September 2009	Virginia City, US	daily high min	20.0 C (68.0 F)	1.1 C (2.0 F)	116 years	42 of 100 (Notable)
12 September 2009	Rapid City Rgnl AP, US	daily rain	35.6 mm (1.4 in)	19.9 mm (0.8 in)	24 years	42 of 100 (Notable)
12 September 2009	Tubuai, PF	daily rain	55.1 mm (2.2 in)	47.2 mm (1.9 in)	23 years	41 of 100 (Notable)
12 September 2009	Willits 1 NE, US	daily high min	12.8 C (55.0 F)	0.6 C (1.1 F)	107 years	41 of 100 (Notable)
12 September 2009	Sussex 1 NW, US	daily low max	15.6 C (60.1 F)	1.6 C (2.9 F)	96 years	41 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

1793 to 2009

Records set or tied on this calendar date in each year from 1793 to 2009. 2009 had 876 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 2009-09-12: 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 25	646
25 to 50	20
50 to 75	2
75 to 100	1
100 to 125	0
125 to 150	0
150 to 175	1