Weather Records on 18 September 2018

1,200 weather records were set or tied worldwide on 18 September 2018. Highest significance: Gaylord, US.

Key Facts for 18 September 2018

On 18 September 2018, 1,200 weather records were set or tied at long-record stations worldwide.
1,079 were record highs and 34 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 21 monthly and 1,178 daily.
Gaylord set a daily record precipitation of 67.8 mm (2.7 in) on 18 September 2018.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 416 records.

Record Map

1,200 stations

1,200 station records on 18 September 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gaylord	United States	Record daily precipitation	67.8 mm (2.7 in)	58 of 100 (Notable)
Greene	United States	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Elgin 2SSW	United States	Record daily precipitation	71.1 mm (2.8 in)	53 of 100 (Notable)
Clarksville	United States	Record daily precipitation	120.9 mm (4.8 in)	53 of 100 (Notable)
Saltillo	Mexico	Record daily precipitation	59.7 mm (2.4 in)	52 of 100 (Notable)
Amelia Courthouse	United States	Record daily precipitation	101.6 mm (4.0 in)	51 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high maximum temperature	31.0 C (87.8 F)	48 of 100 (Notable)
Vanersborg	Sweden	Record high maximum temperature	24.1 C (75.4 F)	48 of 100 (Notable)
Orlando Executive AP	United States	Record high minimum temperature	25.6 C (78.1 F)	47 of 100 (Notable)
Petropavlovsk-Kamchatskij	Russia	Record daily precipitation	47.5 mm (1.9 in)	45 of 100 (Notable)
Avon Park 2 W	United States	Record high minimum temperature	25.6 C (78.1 F)	44 of 100 (Notable)
Petropavlovskij Majak	Russia	Record daily precipitation	45.5 mm (1.8 in)	43 of 100 (Notable)
Halmstad	Sweden	Record high maximum temperature	24.7 C (76.5 F)	43 of 100 (Notable)
Bay Minette	United States	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Climax	United States	Record high minimum temperature	5.6 C (42.1 F)	43 of 100 (Notable)
Marshall	United States	Record daily precipitation	58.7 mm (2.3 in)	43 of 100 (Notable)
Oakland 1 SE	United States	Record high minimum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Middleboro	United States	Record high minimum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Canon City	United States	Record high maximum temperature	34.4 C (93.9 F)	41 of 100 (Notable)
Mancos 1SW	United States	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Dover	United States	Record high minimum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Lowell	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Charlevoix	United States	Record high maximum temperature	30.6 C (87.1 F)	41 of 100 (Notable)
Surry Mtn Lake	United States	Record daily precipitation	36.3 mm (1.4 in)	41 of 100 (Notable)
Morrisville 6 SW	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Everett	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Newport 1 NW	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Warsaw 2 NW	United States	Record high minimum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Schwerin	Germany	Record high maximum temperature	30.0 C (86.0 F)	40 of 100 (Notable)
Berlin-Dahlem	Germany	Record high maximum temperature	30.2 C (86.4 F)	40 of 100 (Notable)
Marnitz	Germany	Record high maximum temperature	29.9 C (85.8 F)	40 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record high maximum temperature	24.2 C (75.6 F)	40 of 100 (Notable)
Del Norte 3ENE	United States	Record high maximum temperature	28.3 C (82.9 F)	40 of 100 (Notable)
Flagler 1S	United States	Record high minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Washta	United States	Record high maximum temperature	33.9 C (93.0 F)	40 of 100 (Notable)
Nashua 2 NNW	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Otter Brook Lake	United States	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Chapel Hill 2 W	United States	Record high minimum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
Mt Pleasant	United States	Record high maximum temperature	37.2 C (99.0 F)	40 of 100 (Notable)
Farmville	United States	Record daily precipitation	96.0 mm (3.8 in)	40 of 100 (Notable)
Trinidad	United States	Record high maximum temperature	33.3 C (91.9 F)	39 of 100 (Notable)
Brunswick	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Sosnovka	Russia	Record daily precipitation	31.9 mm (1.3 in)	38 of 100 (Notable)
Plant City	United States	Record high maximum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Williamsburg 1E	United States	Record high maximum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Lenoir	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Orlando Sanford AP	United States	Record high minimum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Hiddensee-Vitte	Germany	Record high maximum temperature	28.8 C (83.8 F)	37 of 100 (Notable)
Semjachik	Russia	Record daily precipitation	57.0 mm (2.2 in)	37 of 100 (Notable)
Mtn Home 1 NNW	United States	Record high minimum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
New Boston Dam 17	United States	Record high maximum temperature	34.4 C (93.9 F)	37 of 100 (Notable)
Cerro	United States	Record high maximum temperature	30.6 C (87.1 F)	37 of 100 (Notable)
Elizabeth City	United States	Record high minimum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Gastonia	United States	Record high minimum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Steubenville	United States	Record daily precipitation	41.1 mm (1.6 in)	37 of 100 (Notable)
Wytheville	United States	Record high minimum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Manchester AP	United States	Record daily precipitation	102.1 mm (4.0 in)	37 of 100 (Notable)
Stevensville 2SW	United States	Record high minimum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Winona Dam 5 A	United States	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)
Springfield Abraham Lincoln Ca	United States	Record high maximum temperature	35.0 C (95.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,200 records

Records set or tied on 18 September 2018 by type: Highest daily maximum 575, Lowest daily maximum 12, Highest daily minimum 504, Lowest daily minimum 22, Heaviest daily rainfall 87.

Records on 18 September 2018 by type
Record type	Records
Highest daily maximum	575
Lowest daily maximum	12
Highest daily minimum	504
Lowest daily minimum	22
Heaviest daily rainfall	87
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 2018 by timescale: all-time 1, monthly 21, daily 1,178.

How Much Records Were Beaten By

898 broken records

Margins by which the 898 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.4. Ties are not counted.

Top 20 by Significance

18 September 2018

Top 20 records on 18 September 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 2018	Gaylord, US	daily rain	67.8 mm (2.7 in)	54.8 mm (2.2 in)	40 years	58 of 100 (Notable)
18 September 2018	Greene, US	daily rain	66.0 mm (2.6 in)	45.9 mm (1.8 in)	48 years	57 of 100 (Notable)
18 September 2018	Elgin 2SSW, US	daily rain	71.1 mm (2.8 in)	32.0 mm (1.3 in)	76 years	53 of 100 (Notable)
18 September 2018	Clarksville, US	daily rain	120.9 mm (4.8 in)	42.2 mm (1.7 in)	72 years	53 of 100 (Notable)
18 September 2018	Saltillo, MX	daily rain	59.7 mm (2.4 in)	37.7 mm (1.5 in)	41 years	52 of 100 (Notable)
18 September 2018	Amelia Courthouse, US	daily rain	101.6 mm (4.0 in)	87.4 mm (3.4 in)	24 years	51 of 100 (Notable)
18 September 2018	Kirchdorf/Poel, DE	daily high max	31.0 C (87.8 F)	4.5 C (8.1 F)	84 years	48 of 100 (Notable)
18 September 2018	Vanersborg, SE	daily high max	24.1 C (75.4 F)	2.5 C (4.5 F)	135 years	48 of 100 (Notable)
18 September 2018	Orlando Executive AP, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	116 years	47 of 100 (Notable)
18 September 2018	Petropavlovsk-Kamchatskij, RU	daily rain	47.5 mm (1.9 in)	6.6 mm (0.26 in)	115 years	45 of 100 (Notable)
18 September 2018	Avon Park 2 W, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	88 years	44 of 100 (Notable)
18 September 2018	Petropavlovskij Majak, RU	daily rain	45.5 mm (1.8 in)	4.6 mm (0.18 in)	115 years	43 of 100 (Notable)
18 September 2018	Halmstad, SE	daily high max	24.7 C (76.5 F)	2.4 C (4.3 F)	84 years	43 of 100 (Notable)
18 September 2018	Bay Minette, US	daily high min	24.4 C (75.9 F)	1.1 C (2.0 F)	103 years	43 of 100 (Notable)
18 September 2018	Climax, US	daily high min	5.6 C (42.1 F)	1.2 C (2.2 F)	122 years	43 of 100 (Notable)
18 September 2018	Marshall, US	daily rain	58.7 mm (2.3 in)	28.0 mm (1.1 in)	40 years	43 of 100 (Notable)
18 September 2018	Oakland 1 SE, US	daily high min	18.9 C (66.0 F)	1.1 C (2.0 F)	122 years	42 of 100 (Notable)
18 September 2018	Middleboro, US	daily high min	18.3 C (64.9 F)	1.6 C (2.9 F)	119 years	42 of 100 (Notable)
18 September 2018	Canon City, US	daily high max	34.4 C (93.9 F)	1.1 C (2.0 F)	97 years	41 of 100 (Notable)
18 September 2018	Mancos 1SW, US	daily high max	29.4 C (84.9 F)	0.5 C (0.9 F)	104 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

1803 to 2018

Records set or tied on this calendar date in each year from 1803 to 2018. 2018 had 1,200 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 2018-09-18: 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	878
20 to 40	13
40 to 60	6
60 to 80	0
80 to 100	1