Weather Records on 9 September 2017

661 weather records were set or tied worldwide on 9 September 2017. Highest significance: Bolsoj Uluj, RU.

Key Facts for 9 September 2017

On 9 September 2017, 661 weather records were set or tied at long-record stations worldwide.
332 were record highs and 201 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 642 daily.
Bolsoj Uluj set an all-time record daily precipitation of 99.1 mm (3.9 in) on 9 September 2017.
Across 162 earlier years (1806 to 2026) the same calendar date averaged 460 records.

Record Map

661 stations

661 station records on 9 September 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 September 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bolsoj Uluj	Russia	Record daily precipitation	99.1 mm (3.9 in)	78 of 100 (Major)
Chitradurga	India	Record daily precipitation	62.5 mm (2.5 in)	68 of 100 (Major)
Jalapa Ver.	Mexico	Record daily precipitation	154.9 mm (6.1 in)	62 of 100 (Major)
Bygdsiljum_D	Sweden	Record daily precipitation	25.4 mm (1.0 in)	61 of 100 (Major)
Glazov	Russia	Record daily precipitation	35.1 mm (1.4 in)	58 of 100 (Notable)
Tooma	Estonia	Record daily precipitation	28.9 mm (1.1 in)	54 of 100 (Notable)
Pamban	India	Record daily precipitation	113.0 mm (4.4 in)	52 of 100 (Notable)
Hagshults_Flygplats	Sweden	Record daily precipitation	32.8 mm (1.3 in)	50 of 100 (Notable)
Syktyvkar	Russia	Record daily precipitation	30.1 mm (1.2 in)	49 of 100 (Notable)
Navelsjo	Sweden	Record daily precipitation	34.5 mm (1.4 in)	47 of 100 (Notable)
San Sebastian - Igueldo	Spain	Record daily precipitation	41.7 mm (1.6 in)	43 of 100 (Notable)
Lugano	Switzerland	Record daily precipitation	67.2 mm (2.6 in)	43 of 100 (Notable)
Cascade Locks	United States	Record high minimum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Salem AP (McNary Field)	United States	Record high minimum temperature	16.7 C (62.1 F)	43 of 100 (Notable)
Santander/Parayas	Spain	Record daily precipitation	45.8 mm (1.8 in)	42 of 100 (Notable)
Ven	Sweden	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Podor	Senegal	Record high maximum temperature	41.3 C (106.3 F)	41 of 100 (Notable)
Pocahontas 1	United States	Record low minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Rome	United States	Record low minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Greenville 2 NNE	United States	Record low minimum temperature	2.2 C (36.0 F)	41 of 100 (Notable)
Oparino	Russia	Record daily precipitation	31.6 mm (1.2 in)	40 of 100 (Notable)
Petrovskij Zavod	Russia	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Indio Fire STN	United States	Record low maximum temperature	32.2 C (90.0 F)	40 of 100 (Notable)
Aberdeen	United States	Record low minimum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Water Valley	United States	Record low minimum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Rorvik_D	Sweden	Record daily precipitation	32.9 mm (1.3 in)	39 of 100 (Notable)
Riddle	United States	Record high minimum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Doorawarrah	Australia	Record daily precipitation	35.0 mm (1.4 in)	37 of 100 (Notable)
Chongqing	China	Record daily precipitation	68.1 mm (2.7 in)	37 of 100 (Notable)
Coimbatore/Peelamed	India	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Council	United States	Record high minimum temperature	16.1 C (61.0 F)	37 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record low maximum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Diablo Dam	United States	Record high minimum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Leo 6 SW	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Abbeville	France	Record daily precipitation	36.1 mm (1.4 in)	36 of 100 (Notable)
Nakhon Sawan	Thailand	Record high maximum temperature	36.5 C (97.7 F)	36 of 100 (Notable)
Troy	United States	Record low minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Quartzsite	United States	Record daily precipitation	41.1 mm (1.6 in)	36 of 100 (Notable)
Shoshone 1 WNW	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Great Falls 16St	United States	Record high maximum temperature	33.3 C (91.9 F)	35 of 100 (Notable)
Roseburg Rgnl AP	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Pudino	Russia	Record low minimum temperature	-3.9 C (25.0 F)	34 of 100 (Routine)
Packwood	United States	Record high minimum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Ft Benning Lawson Fld	United States	Record low minimum temperature	11.1 C (52.0 F)	34 of 100 (Routine)
Hayfield Pumping Plt	United States	Record daily precipitation	28.4 mm (1.1 in)	33 of 100 (Routine)
Carbondale Sewage Plt	United States	Record low minimum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Marshall	United States	Record low minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record high minimum temperature	19.6 C (67.3 F)	32 of 100 (Routine)
Tanga	Sweden	Record daily precipitation	34.7 mm (1.4 in)	32 of 100 (Routine)
Millersburg	United States	Record low minimum temperature	3.3 C (37.9 F)	32 of 100 (Routine)
Portland Intl AP	United States	Record high minimum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Amberley AMO	Australia	Record low minimum temperature	0.5 C (32.9 F)	31 of 100 (Routine)
Bolsoy Santar	Russia	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Robertsdale	United States	Record low minimum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
Helen	United States	Record low minimum temperature	3.9 C (39.0 F)	31 of 100 (Routine)
McKenzie Rvr Rs	United States	Record high minimum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
Goldendale	United States	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Kennewick	United States	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Potlatch 3 NNE	United States	Record high minimum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Tarboro 1 S	United States	Record low minimum temperature	9.4 C (48.9 F)	30 of 100 (Routine)

Counts by Type and Timescale

661 records

Records set or tied on 9 September 2017 by type: Highest daily maximum 102, Lowest daily maximum 69, Highest daily minimum 230, Lowest daily minimum 132, Heaviest daily rainfall 128.

Records on 9 September 2017 by type
Record type	Records
Highest daily maximum	102
Lowest daily maximum	69
Highest daily minimum	230
Lowest daily minimum	132
Heaviest daily rainfall	128
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 September 2017 by timescale: all-time 1, monthly 18, daily 642.

How Much Records Were Beaten By

501 broken records

Margins by which the 501 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 77.2. Ties are not counted.

Top 20 by Significance

9 September 2017

Top 20 records on 9 September 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 2017	Bolsoj Uluj, RU	all-time rain	99.1 mm (3.9 in)	45.1 mm (1.8 in)	38 years	78 of 100 (Major)
9 September 2017	Chitradurga, IN	daily rain	62.5 mm (2.5 in)	41.9 mm (1.6 in)	98 years	68 of 100 (Major)
9 September 2017	Jalapa Ver., MX	monthly rain	154.9 mm (6.1 in)	77.2 mm (3.0 in)	29 years	62 of 100 (Major)
9 September 2017	Bygdsiljum_D, SE	daily rain	25.4 mm (1.0 in)	20.4 mm (0.8 in)	63 years	61 of 100 (Major)
9 September 2017	Glazov, RU	daily rain	35.1 mm (1.4 in)	17.1 mm (0.7 in)	47 years	58 of 100 (Notable)
9 September 2017	Tooma, EE	daily rain	28.9 mm (1.1 in)	11.5 mm (0.5 in)	70 years	54 of 100 (Notable)
9 September 2017	Pamban, IN	monthly rain	113.0 mm (4.4 in)	4.5 mm (0.18 in)	115 years	52 of 100 (Notable)
9 September 2017	Hagshults_Flygplats, SE	daily rain	32.8 mm (1.3 in)	12.6 mm (0.5 in)	70 years	50 of 100 (Notable)
9 September 2017	Syktyvkar, RU	daily rain	30.1 mm (1.2 in)	5.8 mm (0.23 in)	91 years	49 of 100 (Notable)
9 September 2017	Navelsjo, SE	daily rain	34.5 mm (1.4 in)	18.7 mm (0.7 in)	39 years	47 of 100 (Notable)
9 September 2017	San Sebastian - Igueldo, ES	daily rain	41.7 mm (1.6 in)	11.5 mm (0.5 in)	84 years	43 of 100 (Notable)
9 September 2017	Lugano, CH	daily rain	67.2 mm (2.6 in)	21.1 mm (0.8 in)	79 years	43 of 100 (Notable)
9 September 2017	Cascade Locks, US	daily high min	17.8 C (64.0 F)	1.1 C (2.0 F)	110 years	43 of 100 (Notable)
9 September 2017	Salem AP (McNary Field), US	daily high min	16.7 C (62.1 F)	1.1 C (2.0 F)	116 years	43 of 100 (Notable)
9 September 2017	Santander/Parayas, ES	daily rain	45.8 mm (1.8 in)	25.0 mm (1.0 in)	47 years	42 of 100 (Notable)
9 September 2017	Ven, SE	daily rain	31.8 mm (1.3 in)	18.0 mm (0.7 in)	36 years	42 of 100 (Notable)
9 September 2017	Podor, SN	daily high max	41.3 C (106.3 F)	0.3 C (0.5 F)	159 years	41 of 100 (Notable)
9 September 2017	Pocahontas 1, US	daily low min	9.4 C (48.9 F)	0.6 C (1.1 F)	115 years	41 of 100 (Notable)
9 September 2017	Rome, US	daily low min	9.4 C (48.9 F)	0.6 C (1.1 F)	115 years	41 of 100 (Notable)
9 September 2017	Greenville 2 NNE, US	daily low min	2.2 C (36.0 F)	0.6 C (1.1 F)	103 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

1806 to 2017

Records set or tied on this calendar date in each year from 1806 to 2017. 2017 had 661 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 2017-09-09: 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 10	471
10 to 20	19
20 to 30	7
30 to 40	1
40 to 50	2
50 to 60	0
60 to 70	0
70 to 80	1