Weather Records on 6 September 2009

735 weather records were set or tied worldwide on 6 September 2009. Highest significance: Tecumseh 1W, US.

Key Facts for 6 September 2009

On 6 September 2009, 735 weather records were set or tied at long-record stations worldwide.
351 were record highs and 175 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 41 monthly and 688 daily.
Tecumseh 1W set an all-time record daily precipitation of 166.9 mm (6.6 in) on 6 September 2009.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 449 records.

Record Map

735 stations

735 station records on 6 September 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 September 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tecumseh 1W	United States	Record daily precipitation	166.9 mm (6.6 in)	59 of 100 (Notable)
Salamanca	Mexico	Record daily precipitation	68.6 mm (2.7 in)	57 of 100 (Notable)
Taylorville 2SE	United States	Record daily precipitation	94.0 mm (3.7 in)	57 of 100 (Notable)
Petersburg 3SSW	United States	Record daily precipitation	67.1 mm (2.6 in)	53 of 100 (Notable)
Sotkamo Saviaho	Finland	Record daily precipitation	43.8 mm (1.7 in)	52 of 100 (Notable)
Juuka Niemela	Finland	Record daily precipitation	35.4 mm (1.4 in)	51 of 100 (Notable)
Ust-Njukzha	Russia	Record daily precipitation	62.3 mm (2.5 in)	51 of 100 (Notable)
Rautavaara Ala-Luosta	Finland	Record daily precipitation	34.0 mm (1.3 in)	50 of 100 (Notable)
Joensuu Pyhaselka	Finland	Record daily precipitation	30.8 mm (1.2 in)	50 of 100 (Notable)
Comondu	Mexico	Record high minimum temperature	31.7 C (89.1 F)	48 of 100 (Notable)
Quincy	United States	Record high minimum temperature	13.3 C (55.9 F)	48 of 100 (Notable)
San Rafael Mazatepec	Mexico	Record daily precipitation	67.3 mm (2.6 in)	47 of 100 (Notable)
Nezahualcoyotl	Mexico	Record daily precipitation	59.4 mm (2.3 in)	47 of 100 (Notable)
Yap Island WSO AP	Federated States of Micronesia	Record high minimum temperature	28.3 C (82.9 F)	46 of 100 (Notable)
Guayama 1SW	Puerto Rico [United States]	Record low maximum temperature	26.1 C (79.0 F)	46 of 100 (Notable)
Shache	China	Record daily precipitation	25.2 mm (1.0 in)	45 of 100 (Notable)
Rautjarvi Simpele Kangaskoski	Finland	Record daily precipitation	44.8 mm (1.8 in)	45 of 100 (Notable)
Calacoaya	Mexico	Record daily precipitation	73.9 mm (2.9 in)	45 of 100 (Notable)
Nurmes Mujejarvi	Finland	Record daily precipitation	29.6 mm (1.2 in)	44 of 100 (Notable)
Harrisburg	United States	Record daily precipitation	50.3 mm (2.0 in)	44 of 100 (Notable)
General Cepeda	Mexico	Record low minimum temperature	6.7 C (44.1 F)	43 of 100 (Notable)
Santiago Yeche	Mexico	Record daily precipitation	45.5 mm (1.8 in)	43 of 100 (Notable)
Rushville	United States	Record daily precipitation	54.6 mm (2.1 in)	43 of 100 (Notable)
Fredericktown	United States	Record daily precipitation	39.4 mm (1.6 in)	43 of 100 (Notable)
Melstone	United States	Record high minimum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Rautavaara Yla-Luosta	Finland	Record daily precipitation	32.9 mm (1.3 in)	42 of 100 (Notable)
Las Arboledas	Mexico	Record daily precipitation	109.5 mm (4.3 in)	42 of 100 (Notable)
Ajan	Russia	Record daily precipitation	109.5 mm (4.3 in)	41 of 100 (Notable)
Glasgow #2	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Wiseman	United States	Record high maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Anyang	China	Record daily precipitation	53.1 mm (2.1 in)	40 of 100 (Notable)
Minami Tori Shima Ma	Japan	Record daily precipitation	72.9 mm (2.9 in)	40 of 100 (Notable)
Anna 4 N	United States	Record daily precipitation	41.1 mm (1.6 in)	40 of 100 (Notable)
Flatwillow 4 ENE	United States	Record high minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Newport	United States	Record low maximum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Hazlehurst	United States	Record low minimum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Natchez	United States	Record daily precipitation	54.6 mm (2.1 in)	39 of 100 (Notable)
Balasore	India	Record daily precipitation	87.9 mm (3.5 in)	38 of 100 (Notable)
Kjahta	Russia	Record low minimum temperature	-1.5 C (29.3 F)	38 of 100 (Notable)
Troy	United States	Record low minimum temperature	11.1 C (52.0 F)	38 of 100 (Notable)
Waterloo 6SW	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Heinavesi Palokki	Finland	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Plantersville 2 SSE	United States	Record daily precipitation	94.5 mm (3.7 in)	37 of 100 (Notable)
Lebanon 2W	United States	Record daily precipitation	61.7 mm (2.4 in)	37 of 100 (Notable)
Post	United States	Record daily precipitation	29.5 mm (1.2 in)	37 of 100 (Notable)
Murray	United States	Record daily precipitation	59.2 mm (2.3 in)	36 of 100 (Notable)
Franklin	United States	Record daily precipitation	36.6 mm (1.4 in)	36 of 100 (Notable)
Santa Rosa	Mexico	Record daily precipitation	43.9 mm (1.7 in)	35 of 100 (Notable)
Narjan Mar	Russia	Record high maximum temperature	23.5 C (74.3 F)	35 of 100 (Notable)
Carlyle Rsvr	United States	Record daily precipitation	53.3 mm (2.1 in)	35 of 100 (Notable)
N Vernon 2 ESE	United States	Record daily precipitation	30.2 mm (1.2 in)	35 of 100 (Notable)
Miles City AP	United States	Record high minimum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Tohmajarvi Kemie	Finland	Record daily precipitation	32.3 mm (1.3 in)	34 of 100 (Routine)
Presa Francisco Trinidad Fabe	Mexico	Record daily precipitation	48.8 mm (1.9 in)	34 of 100 (Routine)
Bickleton	United States	Record low maximum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Huaquechula	Mexico	Record low minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
El Arenal	Mexico	Record low maximum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Wenatchee	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Presa Las Ruinas	Mexico	Record daily precipitation	46.0 mm (1.8 in)	32 of 100 (Routine)
Corral Viejo	Puerto Rico [United States]	Record daily precipitation	81.5 mm (3.2 in)	32 of 100 (Routine)

Counts by Type and Timescale

735 records

Records set or tied on 6 September 2009 by type: Highest daily maximum 145, Lowest daily maximum 101, Highest daily minimum 206, Lowest daily minimum 74, Heaviest daily rainfall 209.

Records on 6 September 2009 by type
Record type	Records
Highest daily maximum	145
Lowest daily maximum	101
Highest daily minimum	206
Lowest daily minimum	74
Heaviest daily rainfall	209
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 September 2009 by timescale: all-time 6, monthly 41, daily 688.

How Much Records Were Beaten By

538 broken records

Margins by which the 538 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 81.6. Ties are not counted.

Top 20 by Significance

6 September 2009

Top 20 records on 6 September 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 September 2009	Tecumseh 1W, US	all-time rain	166.9 mm (6.6 in)	30.8 mm (1.2 in)	52 years	59 of 100 (Notable)
6 September 2009	Salamanca, MX	daily rain	68.6 mm (2.7 in)	47.5 mm (1.9 in)	44 years	57 of 100 (Notable)
6 September 2009	Taylorville 2SE, US	daily rain	94.0 mm (3.7 in)	81.6 mm (3.2 in)	38 years	57 of 100 (Notable)
6 September 2009	Petersburg 3SSW, US	daily rain	67.1 mm (2.6 in)	54.1 mm (2.1 in)	28 years	53 of 100 (Notable)
6 September 2009	Sotkamo Saviaho, FI	monthly rain	43.8 mm (1.7 in)	12.6 mm (0.5 in)	38 years	52 of 100 (Notable)
6 September 2009	Juuka Niemela, FI	daily rain	35.4 mm (1.4 in)	19.0 mm (0.7 in)	34 years	51 of 100 (Notable)
6 September 2009	Ust-Njukzha, RU	daily rain	62.3 mm (2.5 in)	38.6 mm (1.5 in)	16 years	51 of 100 (Notable)
6 September 2009	Rautavaara Ala-Luosta, FI	daily rain	34.0 mm (1.3 in)	24.9 mm (1.0 in)	20 years	50 of 100 (Notable)
6 September 2009	Joensuu Pyhaselka, FI	daily rain	30.8 mm (1.2 in)	20.1 mm (0.8 in)	23 years	50 of 100 (Notable)
6 September 2009	Comondu, MX	all-time high min	31.7 C (89.1 F)	1.1 C (2.0 F)	62 years	48 of 100 (Notable)
6 September 2009	Quincy, US	daily high min	13.3 C (55.9 F)	3.3 C (5.9 F)	112 years	48 of 100 (Notable)
6 September 2009	San Rafael Mazatepec, MX	daily rain	67.3 mm (2.6 in)	47.2 mm (1.9 in)	10 years	47 of 100 (Notable)
6 September 2009	Nezahualcoyotl, MX	daily rain	59.4 mm (2.3 in)	41.6 mm (1.6 in)	10 years	47 of 100 (Notable)
6 September 2009	Yap Island WSO AP, FM	all-time high min	28.3 C (82.9 F)	0.5 C (0.9 F)	57 years	46 of 100 (Notable)
6 September 2009	Guayama 1SW, PR	daily low max	26.1 C (79.0 F)	1.7 C (3.1 F)	92 years	46 of 100 (Notable)
6 September 2009	Shache, CN	daily rain	25.2 mm (1.0 in)	21.3 mm (0.8 in)	0 years	45 of 100 (Notable)
6 September 2009	Rautjarvi Simpele Kangaskoski, FI	monthly rain	44.8 mm (1.8 in)	13.4 mm (0.5 in)	14 years	45 of 100 (Notable)
6 September 2009	Calacoaya, MX	daily rain	73.9 mm (2.9 in)	56.1 mm (2.2 in)	4 years	45 of 100 (Notable)
6 September 2009	Nurmes Mujejarvi, FI	daily rain	29.6 mm (1.2 in)	15.2 mm (0.6 in)	39 years	44 of 100 (Notable)
6 September 2009	Harrisburg, US	daily rain	50.3 mm (2.0 in)	9.2 mm (0.36 in)	95 years	44 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

1794 to 2009

Records set or tied on this calendar date in each year from 1794 to 2009. 2009 had 735 records.

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

Records on 09-06 in each year
Year	Records
1794	1
1802	1
1803	1
1812	1
1814	2
1833	1
1834	1
1841	1
1853	1
1854	1
1861	1
1865	2
1866	2
1867	1
1868	1
1869	2
1871	2
1872	2
1873	2
1876	1
1877	1
1880	1
1881	3
1883	2
1884	1
1885	1
1887	2
1888	1
1890	3
1891	1
1892	4
1893	2
1894	4
1895	4
1896	2
1897	4
1898	5
1899	5
1900	5
1901	2
1902	5
1903	5
1904	6
1905	14
1906	8
1907	14
1908	36
1909	13
1910	28
1911	20
1912	55
1913	21
1914	23
1915	14
1916	16
1917	23
1918	62
1919	106
1920	172
1921	67
1922	114
1923	153
1924	335
1925	290
1926	123
1927	137
1928	252
1929	359
1930	101
1931	324
1932	275
1933	368
1934	462
1935	341
1936	338
1937	237
1938	322
1939	447
1940	170
1941	276
1942	284
1943	831
1944	392
1945	537
1946	426
1947	895
1948	379
1949	525
1950	699
1951	263
1952	350
1953	396
1954	567
1955	493
1956	735
1957	311
1958	489
1959	405
1960	382
1961	317
1962	772
1963	419
1964	393
1965	722
1966	296
1967	878
1968	512
1969	737
1970	910
1971	436
1972	567
1973	866
1974	897
1975	426
1976	915
1977	467
1978	1,273
1979	892
1980	458
1981	542
1982	744
1983	1,965
1984	1,354
1985	1,371
1986	751
1987	735
1988	1,547
1989	544
1990	805
1991	757
1992	1,084
1993	856
1994	622
1995	1,220
1996	934
1997	1,389
1998	1,385
1999	1,048
2000	1,500
2001	631
2002	867
2003	718
2004	956
2005	601
2006	1,104
2007	1,246
2008	1,430
2009	735
2010	1,259
2011	1,684
2012	803
2013	886
2014	588
2015	692
2016	605
2017	838
2018	714
2019	797
2020	1,349
2021	407
2022	1,782
2023	905
2024	1,161
2025	894
2026	846

Download the Data

Data for records on 2009-09-06: 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	513
20 to 40	15
40 to 60	8
60 to 80	1
80 to 100	1