Weather Records on 9 September 2018

876 weather records were set or tied worldwide on 9 September 2018. Highest significance: Nashville 1 E, US.

Key Facts for 9 September 2018

On 9 September 2018, 876 weather records were set or tied at long-record stations worldwide.
251 were record highs and 352 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 32 monthly and 842 daily.
Nashville 1 E set a monthly record daily precipitation of 163.3 mm (6.4 in) on 9 September 2018.
Across 162 earlier years (1806 to 2026) the same calendar date averaged 459 records.

Record Map

876 stations

876 station records on 9 September 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 September 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nashville 1 E	United States	Record daily precipitation	163.3 mm (6.4 in)	90 of 100 (Exceptional)
Oakland 1 SE	United States	Record daily precipitation	75.9 mm (3.0 in)	79 of 100 (Major)
Marianna 2 S	United States	Record daily precipitation	108.7 mm (4.3 in)	75 of 100 (Major)
Hillsboro	United States	Record daily precipitation	71.1 mm (2.8 in)	73 of 100 (Major)
Chilo Meldahl Locks & Dam	United States	Record daily precipitation	119.4 mm (4.7 in)	69 of 100 (Major)
Carrizo Springs 3S	United States	Record daily precipitation	121.2 mm (4.8 in)	66 of 100 (Major)
Shoals 8 S	United States	Record daily precipitation	70.4 mm (2.8 in)	64 of 100 (Major)
Salem	United States	Record daily precipitation	161.5 mm (6.4 in)	63 of 100 (Major)
Harrisburg 12WNW	United States	Record daily precipitation	37.1 mm (1.5 in)	61 of 100 (Major)
Zanesville Muni AP	United States	Record daily precipitation	64.0 mm (2.5 in)	61 of 100 (Major)
Louisville McAlpine	United States	Record daily precipitation	108.5 mm (4.3 in)	60 of 100 (Major)
Warsaw Markland Dam	United States	Record daily precipitation	99.1 mm (3.9 in)	59 of 100 (Notable)
Piketon	United States	Record daily precipitation	124.5 mm (4.9 in)	59 of 100 (Notable)
Sparta 3.5 SSW	United States	Record daily precipitation	87.4 mm (3.4 in)	58 of 100 (Notable)
Tarpley 3S	United States	Record daily precipitation	110.7 mm (4.4 in)	58 of 100 (Notable)
Parkersburg AP	United States	Record daily precipitation	69.9 mm (2.8 in)	58 of 100 (Notable)
Biri	Norway	Record daily precipitation	54.7 mm (2.2 in)	57 of 100 (Notable)
Elliston	United States	Record daily precipitation	77.5 mm (3.1 in)	57 of 100 (Notable)
Williams 3 SW	United States	Record daily precipitation	66.8 mm (2.6 in)	57 of 100 (Notable)
Big Is	United States	Record daily precipitation	100.1 mm (3.9 in)	57 of 100 (Notable)
Nashville 2 NNE	United States	Record daily precipitation	108.7 mm (4.3 in)	56 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record daily precipitation	80.0 mm (3.1 in)	56 of 100 (Notable)
Youngstown-Warren Rgnl AP	United States	Record daily precipitation	88.9 mm (3.5 in)	56 of 100 (Notable)
Albacete Los Llanos	Spain	Record daily precipitation	61.4 mm (2.4 in)	54 of 100 (Notable)
Rison	United States	Record daily precipitation	81.3 mm (3.2 in)	53 of 100 (Notable)
Corydon	United States	Record daily precipitation	113.0 mm (4.4 in)	53 of 100 (Notable)
Newburgh L&D	United States	Record daily precipitation	69.9 mm (2.8 in)	53 of 100 (Notable)
Cynthiana	United States	Record daily precipitation	88.6 mm (3.5 in)	53 of 100 (Notable)
Milan Exp STN	United States	Record daily precipitation	96.5 mm (3.8 in)	53 of 100 (Notable)
Huntington Tri-State AP	United States	Record daily precipitation	97.3 mm (3.8 in)	53 of 100 (Notable)
Reading Wb City	United States	Record daily precipitation	50.0 mm (2.0 in)	53 of 100 (Notable)
Pittsburgh ASOS	United States	Record daily precipitation	94.7 mm (3.7 in)	53 of 100 (Notable)
Wilmington Porter Rsch	United States	Record daily precipitation	69.3 mm (2.7 in)	52 of 100 (Notable)
Mt Sterling	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
New Park	United States	Record daily precipitation	58.7 mm (2.3 in)	52 of 100 (Notable)
Pittsburgh Allegheny Co AP	United States	Record daily precipitation	102.6 mm (4.0 in)	52 of 100 (Notable)
Chambersburg 1 ESE	United States	Record daily precipitation	73.2 mm (2.9 in)	51 of 100 (Notable)
Bayard	United States	Record daily precipitation	33.8 mm (1.3 in)	50 of 100 (Notable)
E Stroudsburg	United States	Record low maximum temperature	12.8 C (55.0 F)	49 of 100 (Notable)
Harrisburg Capital City AP	United States	Record daily precipitation	65.8 mm (2.6 in)	49 of 100 (Notable)
Shippensburg	United States	Record daily precipitation	77.2 mm (3.0 in)	48 of 100 (Notable)
El Indio 7ESE	United States	Record daily precipitation	119.4 mm (4.7 in)	48 of 100 (Notable)
Pogranichnyj	Russia	Record low minimum temperature	2.4 C (36.3 F)	47 of 100 (Notable)
Olney 2S	United States	Record daily precipitation	82.6 mm (3.3 in)	47 of 100 (Notable)
Coshocton Wpc Plt	United States	Record daily precipitation	57.9 mm (2.3 in)	47 of 100 (Notable)
Washington Court House	United States	Record daily precipitation	50.0 mm (2.0 in)	47 of 100 (Notable)
Fukuyama	Japan	Record daily precipitation	101.1 mm (4.0 in)	45 of 100 (Notable)
Vincennes 4 E	United States	Record daily precipitation	124.0 mm (4.9 in)	45 of 100 (Notable)
Monroe City	United States	Record low maximum temperature	17.2 C (63.0 F)	45 of 100 (Notable)
Martin U of T Branch Exp STN	United States	Record daily precipitation	104.4 mm (4.1 in)	45 of 100 (Notable)
Martinsburg E W Virginia Rgnl	United States	Record low maximum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Tryvasshogda	Norway	Record daily precipitation	58.8 mm (2.3 in)	44 of 100 (Notable)
Dover	United States	Record low maximum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Rockville	United States	Record low maximum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Dayton Mcd	United States	Record daily precipitation	49.5 mm (1.9 in)	44 of 100 (Notable)
Martinsville 2 SW	United States	Record daily precipitation	104.1 mm (4.1 in)	43 of 100 (Notable)
Hagerstown 1E	United States	Record low maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Neshaminy Falls	United States	Record low maximum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Langtry	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Kumbrabow	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)

Counts by Type and Timescale

876 records

Records set or tied on 9 September 2018 by type: Highest daily maximum 97, Lowest daily maximum 279, Highest daily minimum 154, Lowest daily minimum 73, Heaviest daily rainfall 273.

Records on 9 September 2018 by type
Record type	Records
Highest daily maximum	97
Lowest daily maximum	279
Highest daily minimum	154
Lowest daily minimum	73
Heaviest daily rainfall	273
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 September 2018 by timescale: all-time 2, monthly 32, daily 842.

How Much Records Were Beaten By

727 broken records

Margins by which the 727 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 106.4. Ties are not counted.

Top 20 by Significance

9 September 2018

Top 20 records on 9 September 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 2018	Nashville 1 E, US	monthly rain	163.3 mm (6.4 in)	68.0 mm (2.7 in)	112 years	90 of 100 (Exceptional)
9 September 2018	Oakland 1 SE, US	daily rain	75.9 mm (3.0 in)	46.4 mm (1.8 in)	99 years	79 of 100 (Major)
9 September 2018	Marianna 2 S, US	daily rain	108.7 mm (4.3 in)	67.3 mm (2.6 in)	88 years	75 of 100 (Major)
9 September 2018	Hillsboro, US	daily rain	71.1 mm (2.8 in)	45.7 mm (1.8 in)	96 years	73 of 100 (Major)
9 September 2018	Chilo Meldahl Locks & Dam, US	daily rain	119.4 mm (4.7 in)	103.4 mm (4.1 in)	68 years	69 of 100 (Major)
9 September 2018	Carrizo Springs 3S, US	daily rain	121.2 mm (4.8 in)	64.6 mm (2.5 in)	76 years	66 of 100 (Major)
9 September 2018	Shoals 8 S, US	daily rain	70.4 mm (2.8 in)	43.2 mm (1.7 in)	88 years	64 of 100 (Major)
9 September 2018	Salem, US	all-time rain	161.5 mm (6.4 in)	37.0 mm (1.5 in)	20 years	63 of 100 (Major)
9 September 2018	Harrisburg 12WNW, US	daily rain	37.1 mm (1.5 in)	16.8 mm (0.7 in)	105 years	61 of 100 (Major)
9 September 2018	Zanesville Muni AP, US	daily rain	64.0 mm (2.5 in)	44.2 mm (1.7 in)	51 years	61 of 100 (Major)
9 September 2018	Louisville McAlpine, US	daily rain	108.5 mm (4.3 in)	85.6 mm (3.4 in)	45 years	60 of 100 (Major)
9 September 2018	Warsaw Markland Dam, US	daily rain	99.1 mm (3.9 in)	66.1 mm (2.6 in)	44 years	59 of 100 (Notable)
9 September 2018	Piketon, US	monthly rain	124.5 mm (4.9 in)	39.4 mm (1.6 in)	38 years	59 of 100 (Notable)
9 September 2018	Sparta 3.5 SSW, US	daily rain	87.4 mm (3.4 in)	69.6 mm (2.7 in)	64 years	58 of 100 (Notable)
9 September 2018	Tarpley 3S, US	daily rain	110.7 mm (4.4 in)	58.6 mm (2.3 in)	76 years	58 of 100 (Notable)
9 September 2018	Parkersburg AP, US	daily rain	69.9 mm (2.8 in)	52.9 mm (2.1 in)	37 years	58 of 100 (Notable)
9 September 2018	Biri, NO	daily rain	54.7 mm (2.2 in)	15.5 mm (0.6 in)	91 years	57 of 100 (Notable)
9 September 2018	Elliston, US	daily rain	77.5 mm (3.1 in)	26.7 mm (1.1 in)	104 years	57 of 100 (Notable)
9 September 2018	Williams 3 SW, US	daily rain	66.8 mm (2.6 in)	38.4 mm (1.5 in)	76 years	57 of 100 (Notable)
9 September 2018	Big Is, US	daily rain	100.1 mm (3.9 in)	96.8 mm (3.8 in)	40 years	57 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 2018

Records set or tied on this calendar date in each year from 1806 to 2018. 2018 had 876 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 2018-09-09: 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 20	635
20 to 40	57
40 to 60	20
60 to 80	9
80 to 100	4
100 to 120	2