Weather Records on 17 September 2018

899 weather records were set or tied worldwide on 17 September 2018. Highest significance: Laurinburg, US.

Key Facts for 17 September 2018

On 17 September 2018, 899 weather records were set or tied at long-record stations worldwide.
744 were record highs and 66 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 13 monthly and 883 daily.
Laurinburg set an all-time record daily precipitation of 261.6 mm (10.3 in) on 17 September 2018.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 420 records.

Record Map

899 stations

899 station records on 17 September 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Laurinburg	United States	Record daily precipitation	261.6 mm (10.3 in)	76 of 100 (Major)
Chapel Hill 2 W	United States	Record daily precipitation	158.8 mm (6.3 in)	71 of 100 (Major)
Lumberton	United States	Record daily precipitation	350.5 mm (13.8 in)	71 of 100 (Major)
Cheraw	United States	Record daily precipitation	249.9 mm (9.8 in)	71 of 100 (Major)
Moloaa 1145	United States	Record daily precipitation	35.3 mm (1.4 in)	64 of 100 (Major)
Saratow	Russia	Record daily precipitation	51.0 mm (2.0 in)	59 of 100 (Notable)
Whiteville 7 NW	United States	Record daily precipitation	155.4 mm (6.1 in)	55 of 100 (Notable)
Yadkinville 6 E	United States	Record daily precipitation	98.0 mm (3.9 in)	54 of 100 (Notable)
Copper Hill	United States	Record daily precipitation	117.1 mm (4.6 in)	54 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	81.3 mm (3.2 in)	53 of 100 (Notable)
Stuart	United States	Record daily precipitation	114.0 mm (4.5 in)	53 of 100 (Notable)
Mocksville 5SE	United States	Record daily precipitation	119.4 mm (4.7 in)	51 of 100 (Notable)
Transou	United States	Record daily precipitation	144.5 mm (5.7 in)	51 of 100 (Notable)
Clinton 2 NE	United States	Record daily precipitation	198.1 mm (7.8 in)	50 of 100 (Notable)
Randleman	United States	Record daily precipitation	157.2 mm (6.2 in)	50 of 100 (Notable)
Roxboro 7 ESE	United States	Record daily precipitation	80.5 mm (3.2 in)	50 of 100 (Notable)
Brunswick	United States	Record high minimum temperature	27.2 C (81.0 F)	49 of 100 (Notable)
Sanford 8 NE	United States	Record daily precipitation	109.2 mm (4.3 in)	49 of 100 (Notable)
Sparta 3.5 SSW	United States	Record daily precipitation	194.1 mm (7.6 in)	49 of 100 (Notable)
Madrid/Getafe	Spain	Record daily precipitation	30.6 mm (1.2 in)	48 of 100 (Notable)
Avon Park 2 W	United States	Record high minimum temperature	25.0 C (77.0 F)	48 of 100 (Notable)
Catawba	United States	Record daily precipitation	89.2 mm (3.5 in)	48 of 100 (Notable)
Monroe 2 SE	United States	Record daily precipitation	109.2 mm (4.3 in)	46 of 100 (Notable)
Elkin	United States	Record daily precipitation	127.0 mm (5.0 in)	45 of 100 (Notable)
Crookston NW Exp STN	United States	Record high maximum temperature	35.0 C (95.0 F)	44 of 100 (Notable)
Ft Collins	United States	Record high minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Sugarloaf Rsvr	United States	Record high maximum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Oxford	United Kingdom	Record high minimum temperature	16.5 C (61.7 F)	42 of 100 (Notable)
Canon City	United States	Record high maximum temperature	33.9 C (93.0 F)	42 of 100 (Notable)
Lisbon	United States	Record high maximum temperature	35.0 C (95.0 F)	42 of 100 (Notable)
Chugwater	United States	Record high minimum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Cuenca	Spain	Record daily precipitation	32.4 mm (1.3 in)	41 of 100 (Notable)
Montrose #2	United States	Record high maximum temperature	32.2 C (90.0 F)	41 of 100 (Notable)
Fernandina Beach	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	26.7 C (80.1 F)	41 of 100 (Notable)
Hopkinsville	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Red Lake Indian Agcy	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Hanover	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Aztec Ruins Nm	United States	Record high maximum temperature	33.9 C (93.0 F)	41 of 100 (Notable)
High Pt	United States	Record daily precipitation	115.8 mm (4.6 in)	41 of 100 (Notable)
Mt Holly 4 NE	United States	Record daily precipitation	74.7 mm (2.9 in)	41 of 100 (Notable)
Smithfield	United States	Record high minimum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Wilson 3 SW	United States	Record daily precipitation	81.3 mm (3.2 in)	41 of 100 (Notable)
Ferron	United States	Record high maximum temperature	32.2 C (90.0 F)	41 of 100 (Notable)
Beckley Va Hospital	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Bowling Green Warren Co AP	United States	Record high minimum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Henderson 2 NNW	United States	Record high minimum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Snake Creek Powerhouse	United States	Record high minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Big Is	United States	Record daily precipitation	72.9 mm (2.9 in)	40 of 100 (Notable)
New Castle	United States	Record daily precipitation	61.5 mm (2.4 in)	40 of 100 (Notable)
Parsons 3 SE	United States	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Winston Salem Reynolds AP	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Longmont 2 ESE	United States	Record high minimum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Shoshone	United States	Record high maximum temperature	31.7 C (89.1 F)	38 of 100 (Notable)
Champaign 3S	United States	Record high maximum temperature	34.4 C (93.9 F)	38 of 100 (Notable)
Minatare Dam (Usbr)	United States	Record high minimum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Franklinville	United States	Record high minimum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Red Springs 1 SE	United States	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Blanding	United States	Record high minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Hopewell	United States	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

899 records

Records set or tied on 17 September 2018 by type: Highest daily maximum 320, Lowest daily maximum 9, Highest daily minimum 424, Lowest daily minimum 57, Heaviest daily rainfall 89.

Records on 17 September 2018 by type
Record type	Records
Highest daily maximum	320
Lowest daily maximum	9
Highest daily minimum	424
Lowest daily minimum	57
Heaviest daily rainfall	89
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 September 2018 by timescale: all-time 3, monthly 13, daily 883.

How Much Records Were Beaten By

627 broken records

Margins by which the 627 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 267.9. Ties are not counted.

Top 20 by Significance

17 September 2018

Top 20 records on 17 September 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 2018	Laurinburg, US	all-time rain	261.6 mm (10.3 in)	67.3 mm (2.6 in)	63 years	76 of 100 (Major)
17 September 2018	Chapel Hill 2 W, US	daily rain	158.8 mm (6.3 in)	99.1 mm (3.9 in)	72 years	71 of 100 (Major)
17 September 2018	Lumberton, US	daily rain	350.5 mm (13.8 in)	267.9 mm (10.5 in)	72 years	71 of 100 (Major)
17 September 2018	Cheraw, US	daily rain	249.9 mm (9.8 in)	153.4 mm (6.0 in)	72 years	71 of 100 (Major)
17 September 2018	Moloaa 1145, US	daily rain	35.3 mm (1.4 in)	24.4 mm (1.0 in)	60 years	64 of 100 (Major)
17 September 2018	Saratow, RU	daily rain	51.0 mm (2.0 in)	35.9 mm (1.4 in)	36 years	59 of 100 (Notable)
17 September 2018	Whiteville 7 NW, US	daily rain	155.4 mm (6.1 in)	89.4 mm (3.5 in)	44 years	55 of 100 (Notable)
17 September 2018	Yadkinville 6 E, US	daily rain	98.0 mm (3.9 in)	46.4 mm (1.8 in)	72 years	54 of 100 (Notable)
17 September 2018	Copper Hill, US	daily rain	117.1 mm (4.6 in)	53.6 mm (2.1 in)	72 years	54 of 100 (Notable)
17 September 2018	Hot Springs, US	daily rain	81.3 mm (3.2 in)	35.8 mm (1.4 in)	60 years	53 of 100 (Notable)
17 September 2018	Stuart, US	daily rain	114.0 mm (4.5 in)	82.2 mm (3.2 in)	29 years	53 of 100 (Notable)
17 September 2018	Mocksville 5SE, US	daily rain	119.4 mm (4.7 in)	36.1 mm (1.4 in)	72 years	51 of 100 (Notable)
17 September 2018	Transou, US	daily rain	144.5 mm (5.7 in)	82.8 mm (3.3 in)	13 years	51 of 100 (Notable)
17 September 2018	Clinton 2 NE, US	daily rain	198.1 mm (7.8 in)	172.4 mm (6.8 in)	23 years	50 of 100 (Notable)
17 September 2018	Randleman, US	all-time rain	157.2 mm (6.2 in)	5.6 mm (0.22 in)	58 years	50 of 100 (Notable)
17 September 2018	Roxboro 7 ESE, US	daily rain	80.5 mm (3.2 in)	20.0 mm (0.8 in)	115 years	50 of 100 (Notable)
17 September 2018	Brunswick, US	monthly high min	27.2 C (81.0 F)	0.5 C (0.9 F)	93 years	49 of 100 (Notable)
17 September 2018	Sanford 8 NE, US	daily rain	109.2 mm (4.3 in)	82.0 mm (3.2 in)	21 years	49 of 100 (Notable)
17 September 2018	Sparta 3.5 SSW, US	all-time rain	194.1 mm (7.6 in)	13.8 mm (0.5 in)	54 years	49 of 100 (Notable)
17 September 2018	Madrid/Getafe, ES	daily rain	30.6 mm (1.2 in)	24.0 mm (0.9 in)	49 years	48 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 2018

Records set or tied on this calendar date in each year from 1796 to 2018. 2018 had 899 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 2018-09-17: 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 50	616
50 to 100	8
100 to 150	0
150 to 200	2
200 to 250	0
250 to 300	1