Weather Records on 17 September 2009

871 weather records were set or tied worldwide on 17 September 2009. Highest significance: Marshall, US.

Key Facts for 17 September 2009

On 17 September 2009, 871 weather records were set or tied at long-record stations worldwide.
521 were record highs and 127 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 19 monthly and 852 daily.
Marshall set a daily record precipitation of 98.8 mm (3.9 in) on 17 September 2009.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 420 records.

Record Map

871 stations

871 station records on 17 September 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Marshall	United States	Record daily precipitation	98.8 mm (3.9 in)	67 of 100 (Major)
Big Fk 1 SSE	United States	Record daily precipitation	158.0 mm (6.2 in)	64 of 100 (Major)
Talbotton	United States	Record daily precipitation	91.4 mm (3.6 in)	63 of 100 (Major)
Chiang Mai	Thailand	Record daily precipitation	122.2 mm (4.8 in)	61 of 100 (Major)
Brinkley	United States	Record daily precipitation	71.1 mm (2.8 in)	61 of 100 (Major)
Pine Ridge	United States	Record daily precipitation	115.1 mm (4.5 in)	61 of 100 (Major)
Nadi Airport	Fiji	Record daily precipitation	119.0 mm (4.7 in)	57 of 100 (Notable)
Cabot	United States	Record daily precipitation	191.8 mm (7.6 in)	56 of 100 (Notable)
Hazlehurst	United States	Record daily precipitation	80.8 mm (3.2 in)	56 of 100 (Notable)
Harrison	United States	Record daily precipitation	67.1 mm (2.6 in)	53 of 100 (Notable)
El Dorado Goodwin Fld	United States	Record daily precipitation	98.0 mm (3.9 in)	53 of 100 (Notable)
Kingston Springs	United States	Record daily precipitation	96.5 mm (3.8 in)	49 of 100 (Notable)
Maradi	Niger	Record low minimum temperature	14.5 C (58.1 F)	46 of 100 (Notable)
Ft Sumner	United States	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Los Lunas 3 SSW	United States	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Great Falls 16St	United States	Record high minimum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Tezpur	India	Record daily precipitation	71.9 mm (2.8 in)	42 of 100 (Notable)
Damascus 2 NNE	United States	Record daily precipitation	145.3 mm (5.7 in)	42 of 100 (Notable)
Savannah 6 SW	United States	Record daily precipitation	84.3 mm (3.3 in)	42 of 100 (Notable)
Port Townsend	United States	Record high maximum temperature	27.8 C (82.0 F)	42 of 100 (Notable)
Lebanon	United States	Record daily precipitation	106.7 mm (4.2 in)	41 of 100 (Notable)
Clarksville 2NE	United States	Record daily precipitation	93.0 mm (3.7 in)	41 of 100 (Notable)
Borisov	Belarus	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Ramos Arizpe (Smn)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	39 of 100 (Notable)
Melstone	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Snake Rvr	United States	Record high maximum temperature	29.4 C (84.9 F)	39 of 100 (Notable)
Parachilna (Motpena)	Australia	Record daily precipitation	26.0 mm (1.0 in)	38 of 100 (Notable)
Presa la Calera	Mexico	Record low minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Oden 1 SE	United States	Record daily precipitation	54.1 mm (2.1 in)	38 of 100 (Notable)
Anaconda	United States	Record high minimum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Great Falls 16St	United States	Record high maximum temperature	33.3 C (91.9 F)	38 of 100 (Notable)
Macon Middle Ga Rgnl AP	United States	Record daily precipitation	73.2 mm (2.9 in)	38 of 100 (Notable)
San Miguel Chimalapa	Mexico	Record low minimum temperature	1.7 C (35.1 F)	37 of 100 (Notable)
Morrilton	United States	Record daily precipitation	98.8 mm (3.9 in)	37 of 100 (Notable)
Mt Ida 3 SE	United States	Record daily precipitation	169.4 mm (6.7 in)	37 of 100 (Notable)
Imlay	United States	Record high minimum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Tularosa	United States	Record low maximum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Pensacola Rgnl AP	United States	Record daily precipitation	150.4 mm (5.9 in)	37 of 100 (Notable)
Lewistown AP	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Cascade 5 S	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Dunkirk 19NNE	United States	Record high minimum temperature	13.3 C (55.9 F)	36 of 100 (Notable)
Odessa	United States	Record high minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	32.1 C (89.8 F)	35 of 100 (Notable)
Dunkirk 19NNE	United States	Record high maximum temperature	31.7 C (89.1 F)	35 of 100 (Notable)
Columbia	United States	Record daily precipitation	64.0 mm (2.5 in)	35 of 100 (Notable)
Lucindale Post Office	Australia	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Verhnedvinsk	Belarus	Record daily precipitation	33.3 mm (1.3 in)	34 of 100 (Routine)
Tuxtla Gutierrez (Dge)	Mexico	Record high minimum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Tobolsk	Russia	Record low minimum temperature	-2.7 C (27.1 F)	34 of 100 (Routine)
Vitoria/Foronda	Spain	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Athens	United States	Record daily precipitation	78.0 mm (3.1 in)	34 of 100 (Routine)
Danville	United States	Record daily precipitation	67.1 mm (2.6 in)	34 of 100 (Routine)
Trident	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Furner (Kennion Section 235)	Australia	Record daily precipitation	28.4 mm (1.1 in)	33 of 100 (Routine)
Essendon Airport	Australia	Record high minimum temperature	15.8 C (60.4 F)	33 of 100 (Routine)
San Luis de la Paz	Mexico	Record high maximum temperature	30.6 C (87.1 F)	33 of 100 (Routine)
Markovo	Russia	Record high maximum temperature	18.5 C (65.3 F)	33 of 100 (Routine)
Anadyr	Russia	Record high maximum temperature	12.4 C (54.3 F)	33 of 100 (Routine)
Heber (Black Mesa) Rs	United States	Record daily precipitation	26.4 mm (1.0 in)	33 of 100 (Routine)
Conchas Dam	United States	Record daily precipitation	32.8 mm (1.3 in)	33 of 100 (Routine)

Counts by Type and Timescale

871 records

Records set or tied on 17 September 2009 by type: Highest daily maximum 229, Lowest daily maximum 61, Highest daily minimum 292, Lowest daily minimum 66, Heaviest daily rainfall 223.

Records on 17 September 2009 by type
Record type	Records
Highest daily maximum	229
Lowest daily maximum	61
Highest daily minimum	292
Lowest daily minimum	66
Heaviest daily rainfall	223
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 September 2009 by timescale: all-time 0, monthly 19, daily 852.

How Much Records Were Beaten By

648 broken records

Margins by which the 648 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.5. Ties are not counted.

Top 20 by Significance

17 September 2009

Top 20 records on 17 September 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 2009	Marshall, US	daily rain	98.8 mm (3.9 in)	67.0 mm (2.6 in)	76 years	67 of 100 (Major)
17 September 2009	Big Fk 1 SSE, US	daily rain	158.0 mm (6.2 in)	127.5 mm (5.0 in)	60 years	64 of 100 (Major)
17 September 2009	Talbotton, US	daily rain	91.4 mm (3.6 in)	40.6 mm (1.6 in)	108 years	63 of 100 (Major)
17 September 2009	Chiang Mai, TH	daily rain	122.2 mm (4.8 in)	68.1 mm (2.7 in)	64 years	61 of 100 (Major)
17 September 2009	Brinkley, US	daily rain	71.1 mm (2.8 in)	36.8 mm (1.4 in)	108 years	61 of 100 (Major)
17 September 2009	Pine Ridge, US	daily rain	115.1 mm (4.5 in)	94.5 mm (3.7 in)	44 years	61 of 100 (Major)
17 September 2009	Nadi Airport, FJ	daily rain	119.0 mm (4.7 in)	65.9 mm (2.6 in)	46 years	57 of 100 (Notable)
17 September 2009	Cabot, US	monthly rain	191.8 mm (7.6 in)	69.9 mm (2.8 in)	3 years	56 of 100 (Notable)
17 September 2009	Hazlehurst, US	daily rain	80.8 mm (3.2 in)	68.1 mm (2.7 in)	58 years	56 of 100 (Notable)
17 September 2009	Harrison, US	daily rain	67.1 mm (2.6 in)	25.2 mm (1.0 in)	96 years	53 of 100 (Notable)
17 September 2009	El Dorado Goodwin Fld, US	daily rain	98.0 mm (3.9 in)	59.6 mm (2.3 in)	28 years	53 of 100 (Notable)
17 September 2009	Kingston Springs, US	daily rain	96.5 mm (3.8 in)	53.3 mm (2.1 in)	48 years	49 of 100 (Notable)
17 September 2009	Maradi, NE	monthly low min	14.5 C (58.1 F)	2.3 C (4.1 F)	59 years	46 of 100 (Notable)
17 September 2009	Ft Sumner, US	daily rain	34.3 mm (1.4 in)	10.7 mm (0.4 in)	90 years	45 of 100 (Notable)
17 September 2009	Los Lunas 3 SSW, US	daily rain	33.0 mm (1.3 in)	21.8 mm (0.9 in)	38 years	45 of 100 (Notable)
17 September 2009	Great Falls 16St, US	daily high min	16.1 C (61.0 F)	1.7 C (3.1 F)	99 years	43 of 100 (Notable)
17 September 2009	Tezpur, IN	daily rain	71.9 mm (2.8 in)	14.5 mm (0.6 in)	80 years	42 of 100 (Notable)
17 September 2009	Damascus 2 NNE, US	daily rain	145.3 mm (5.7 in)	50.8 mm (2.0 in)	40 years	42 of 100 (Notable)
17 September 2009	Savannah 6 SW, US	daily rain	84.3 mm (3.3 in)	58.6 mm (2.3 in)	4 years	42 of 100 (Notable)
17 September 2009	Port Townsend, US	daily high max	27.8 C (82.0 F)	1.7 C (3.1 F)	92 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

1796 to 2009

Records set or tied on this calendar date in each year from 1796 to 2009. 2009 had 871 records.

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

Records on 09-17 in each year
Year	Records
1796	1
1797	1
1805	1
1833	1
1834	1
1837	2
1845	1
1847	3
1848	1
1850	1
1851	2
1853	2
1854	2
1859	1
1862	1
1867	1
1870	1
1871	1
1872	1
1873	1
1874	1
1875	1
1877	1
1881	1
1882	2
1884	3
1885	3
1886	6
1888	2
1889	8
1891	1
1893	3
1894	1
1895	4
1896	9
1897	4
1898	7
1899	1
1900	4
1901	5
1902	5
1903	28
1904	2
1905	17
1906	10
1907	15
1908	13
1909	7
1910	38
1911	15
1912	17
1913	28
1914	38
1915	48
1916	40
1917	255
1918	41
1919	21
1920	40
1921	66
1922	47
1923	159
1924	80
1925	338
1926	154
1927	420
1928	78
1929	168
1930	147
1931	564
1932	425
1933	415
1934	246
1935	321
1936	219
1937	463
1938	363
1939	294
1940	326
1941	328
1942	581
1943	513
1944	403
1945	614
1946	620
1947	680
1948	630
1949	292
1950	412
1951	359
1952	263
1953	344
1954	449
1955	649
1956	437
1957	405
1958	806
1959	1,210
1960	385
1961	657
1962	432
1963	297
1964	559
1965	1,394
1966	523
1967	331
1968	691
1969	352
1970	412
1971	898
1972	556
1973	638
1974	491
1975	478
1976	636
1977	641
1978	764
1979	804
1980	794
1981	1,155
1982	606
1983	862
1984	1,006
1985	448
1986	1,314
1987	926
1988	982
1989	863
1990	650
1991	1,407
1992	686
1993	950
1994	986
1995	1,145
1996	1,342
1997	1,057
1998	1,137
1999	1,102
2000	1,318
2001	895
2002	1,025
2003	586
2004	872
2005	1,042
2006	1,344
2007	752
2008	886
2009	871
2010	907
2011	1,116
2012	597
2013	1,253
2014	571
2015	953
2016	707
2017	455
2018	899
2019	774
2020	651
2021	345
2022	313
2023	646
2024	954
2025	634
2026	968

Download the Data

Data for records on 2009-09-17: 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	613
20 to 40	20
40 to 60	7
60 to 80	6
80 to 100	1
100 to 120	0
120 to 140	1