Weather Records on 15 September 2009

773 weather records were set or tied worldwide on 15 September 2009. Highest significance: Quirio, MX.

Key Facts for 15 September 2009

On 15 September 2009, 773 weather records were set or tied at long-record stations worldwide.
481 were record highs and 106 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 16 monthly and 753 daily.
Quirio set an all-time record daily precipitation of 106.9 mm (4.2 in) on 15 September 2009.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 411 records.

Record Map

773 stations

773 station records on 15 September 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Quirio	Mexico	Record daily precipitation	106.9 mm (4.2 in)	76 of 100 (Major)
Texarkana Webb Fld	United States	Record daily precipitation	122.4 mm (4.8 in)	57 of 100 (Notable)
Jefferson	United States	Record daily precipitation	112.8 mm (4.4 in)	56 of 100 (Notable)
Marseilles-Marignane	France	Record daily precipitation	79.2 mm (3.1 in)	54 of 100 (Notable)
Coatepec de Los Olivos	Mexico	Record daily precipitation	42.9 mm (1.7 in)	54 of 100 (Notable)
Zinapecuaro	Mexico	Record daily precipitation	63.0 mm (2.5 in)	53 of 100 (Notable)
Foreman	United States	Record daily precipitation	163.1 mm (6.4 in)	53 of 100 (Notable)
Namdalseid	Norway	Record daily precipitation	40.1 mm (1.6 in)	51 of 100 (Notable)
Rexburg Byu Idaho	United States	Record daily precipitation	25.4 mm (1.0 in)	51 of 100 (Notable)
Farmerville	United States	Record daily precipitation	179.1 mm (7.1 in)	51 of 100 (Notable)
Aldan	Russia	Record daily precipitation	45.2 mm (1.8 in)	50 of 100 (Notable)
Pittsburg 5 SSE	United States	Record daily precipitation	121.9 mm (4.8 in)	50 of 100 (Notable)
La Concepcion	Mexico	Record daily precipitation	199.6 mm (7.9 in)	47 of 100 (Notable)
Clarendon	United States	Record daily precipitation	61.7 mm (2.4 in)	47 of 100 (Notable)
Magnolia	United States	Record daily precipitation	107.4 mm (4.2 in)	47 of 100 (Notable)
San Mateo Acuitlapilco	Mexico	Record daily precipitation	55.4 mm (2.2 in)	44 of 100 (Notable)
Kvikkjokk-Arrenjarka	Sweden	Record high maximum temperature	19.7 C (67.5 F)	44 of 100 (Notable)
Santander/Parayas	Spain	Record daily precipitation	68.3 mm (2.7 in)	43 of 100 (Notable)
Pitea	Sweden	Record high maximum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Collins	United States	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Gilmer 4 WNW	United States	Record daily precipitation	179.3 mm (7.1 in)	42 of 100 (Notable)
Mauston 1 SE	United States	Record high maximum temperature	29.4 C (84.9 F)	42 of 100 (Notable)
Kursk	Russia	Record high minimum temperature	14.9 C (58.8 F)	41 of 100 (Notable)
Buffalo	United States	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Rome	United States	Record high minimum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
Anaconda	United States	Record high minimum temperature	10.6 C (51.1 F)	40 of 100 (Notable)
Bowie	United States	Record low maximum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Trident	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Fredericksburg	United States	Record low maximum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Huajintlan	Mexico	Record daily precipitation	108.5 mm (4.3 in)	38 of 100 (Notable)
Lake Echo Power Station	Australia	Record daily precipitation	34.6 mm (1.4 in)	37 of 100 (Notable)
Guiping	China	Record daily precipitation	68.4 mm (2.7 in)	37 of 100 (Notable)
Acatepec	Mexico	Record daily precipitation	52.6 mm (2.1 in)	37 of 100 (Notable)
Bismarck 2 SE	United States	Record daily precipitation	116.8 mm (4.6 in)	37 of 100 (Notable)
Ashland	United States	Record daily precipitation	75.9 mm (3.0 in)	37 of 100 (Notable)
Rock Springs	United States	Record high minimum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Little Rock	United States	Record daily precipitation	88.9 mm (3.5 in)	37 of 100 (Notable)
Poitiers - Biard	France	Record low maximum temperature	14.8 C (58.6 F)	36 of 100 (Notable)
Montelimar	France	Record low maximum temperature	13.5 C (56.3 F)	36 of 100 (Notable)
Presa Colorines (Cfe)	Mexico	Record high minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Atlatlahuacan	Mexico	Record low maximum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Sorsele	Sweden	Record high maximum temperature	19.8 C (67.6 F)	36 of 100 (Notable)
Niceville	United States	Record daily precipitation	61.5 mm (2.4 in)	36 of 100 (Notable)
Boquilla Numero Uno	Mexico	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)
Borinquen AP	Puerto Rico [United States]	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Bastrop	United States	Record daily precipitation	83.3 mm (3.3 in)	35 of 100 (Notable)
Myton	United States	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Villaldama	Mexico	Record high maximum temperature	40.0 C (104.0 F)	34 of 100 (Routine)
Quiotepec	Mexico	Record daily precipitation	51.8 mm (2.0 in)	34 of 100 (Routine)
Gonzalez	Mexico	Record low minimum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Gallivare_A	Sweden	Record high maximum temperature	19.3 C (66.7 F)	34 of 100 (Routine)
Ocampo	Mexico	Record daily precipitation	35.8 mm (1.4 in)	33 of 100 (Routine)
Huehuetlan El Grande	Mexico	Record daily precipitation	32.3 mm (1.3 in)	33 of 100 (Routine)
Washita	United States	Record daily precipitation	76.2 mm (3.0 in)	33 of 100 (Routine)
Jolalpan	Mexico	Record low maximum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Reboly	Russia	Record high maximum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Sulphur Springs	United States	Record daily precipitation	64.5 mm (2.5 in)	32 of 100 (Routine)
Quito	Mexico	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Bilbao Aeropuerto	Spain	Record daily precipitation	41.6 mm (1.6 in)	31 of 100 (Routine)
Laxbacken	Sweden	Record high maximum temperature	19.7 C (67.5 F)	31 of 100 (Routine)

Counts by Type and Timescale

773 records

Records set or tied on 15 September 2009 by type: Highest daily maximum 224, Lowest daily maximum 57, Highest daily minimum 257, Lowest daily minimum 49, Heaviest daily rainfall 186.

Records on 15 September 2009 by type
Record type	Records
Highest daily maximum	224
Lowest daily maximum	57
Highest daily minimum	257
Lowest daily minimum	49
Heaviest daily rainfall	186
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 2009 by timescale: all-time 4, monthly 16, daily 753.

How Much Records Were Beaten By

546 broken records

Margins by which the 546 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.6. Ties are not counted.

Top 20 by Significance

15 September 2009

Top 20 records on 15 September 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 2009	Quirio, MX	all-time rain	106.9 mm (4.2 in)	43.4 mm (1.7 in)	42 years	76 of 100 (Major)
15 September 2009	Texarkana Webb Fld, US	monthly rain	122.4 mm (4.8 in)	13.2 mm (0.5 in)	108 years	57 of 100 (Notable)
15 September 2009	Jefferson, US	daily rain	112.8 mm (4.4 in)	70.4 mm (2.8 in)	40 years	56 of 100 (Notable)
15 September 2009	Marseilles-Marignane, FR	daily rain	79.2 mm (3.1 in)	53.4 mm (2.1 in)	56 years	54 of 100 (Notable)
15 September 2009	Coatepec de Los Olivos, MX	daily rain	42.9 mm (1.7 in)	31.0 mm (1.2 in)	35 years	54 of 100 (Notable)
15 September 2009	Zinapecuaro, MX	daily rain	63.0 mm (2.5 in)	39.1 mm (1.5 in)	18 years	53 of 100 (Notable)
15 September 2009	Foreman, US	monthly rain	163.1 mm (6.4 in)	60.2 mm (2.4 in)	11 years	53 of 100 (Notable)
15 September 2009	Namdalseid, NO	daily rain	40.1 mm (1.6 in)	10.2 mm (0.4 in)	90 years	51 of 100 (Notable)
15 September 2009	Rexburg Byu Idaho, US	daily rain	25.4 mm (1.0 in)	20.6 mm (0.8 in)	27 years	51 of 100 (Notable)
15 September 2009	Farmerville, US	monthly rain	179.1 mm (7.1 in)	30.8 mm (1.2 in)	50 years	51 of 100 (Notable)
15 September 2009	Aldan, RU	daily rain	45.2 mm (1.8 in)	19.9 mm (0.8 in)	48 years	50 of 100 (Notable)
15 September 2009	Pittsburg 5 SSE, US	daily rain	121.9 mm (4.8 in)	60.2 mm (2.4 in)	60 years	50 of 100 (Notable)
15 September 2009	La Concepcion, MX	daily rain	199.6 mm (7.9 in)	102.6 mm (4.0 in)	15 years	47 of 100 (Notable)
15 September 2009	Clarendon, US	daily rain	61.7 mm (2.4 in)	16.0 mm (0.6 in)	96 years	47 of 100 (Notable)
15 September 2009	Magnolia, US	daily rain	107.4 mm (4.2 in)	71.8 mm (2.8 in)	11 years	47 of 100 (Notable)
15 September 2009	San Mateo Acuitlapilco, MX	daily rain	55.4 mm (2.2 in)	37.6 mm (1.5 in)	0 years	44 of 100 (Notable)
15 September 2009	Kvikkjokk-Arrenjarka, SE	daily high max	19.7 C (67.5 F)	4.3 C (7.7 F)	80 years	44 of 100 (Notable)
15 September 2009	Santander/Parayas, ES	daily rain	68.3 mm (2.7 in)	26.8 mm (1.1 in)	48 years	43 of 100 (Notable)
15 September 2009	Pitea, SE	daily high max	23.3 C (73.9 F)	1.3 C (2.3 F)	125 years	43 of 100 (Notable)
15 September 2009	Collins, US	daily rain	25.4 mm (1.0 in)	11.4 mm (0.4 in)	96 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

1797 to 2009

Records set or tied on this calendar date in each year from 1797 to 2009. 2009 had 773 records.

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

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 2009-09-15: 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	514
20 to 40	21
40 to 60	5
60 to 80	4
80 to 100	1
100 to 120	1