Weather Records on 13 September 2018

636 weather records were set or tied worldwide on 13 September 2018. Highest significance: Mahinahina 466, US.

Key Facts for 13 September 2018

On 13 September 2018, 636 weather records were set or tied at long-record stations worldwide.
462 were record highs and 72 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 25 monthly and 610 daily.
Mahinahina 466 set a daily record precipitation of 54.4 mm (2.1 in) on 13 September 2018.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 429 records.

Record Map

636 stations

636 station records on 13 September 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 September 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mahinahina 466	United States	Record daily precipitation	54.4 mm (2.1 in)	77 of 100 (Major)
Waipahu 750	United States	Record daily precipitation	93.7 mm (3.7 in)	69 of 100 (Major)
Kapalama 773	United States	Record daily precipitation	102.9 mm (4.1 in)	64 of 100 (Major)
Zhangwu	China	Record daily precipitation	101.1 mm (4.0 in)	63 of 100 (Major)
Aiea Hts 764.6	United States	Record daily precipitation	142.0 mm (5.6 in)	63 of 100 (Major)
Waimanalo Exp F 795.1	United States	Record daily precipitation	121.4 mm (4.8 in)	62 of 100 (Major)
Manoa 712.1	United States	Record daily precipitation	91.9 mm (3.6 in)	59 of 100 (Notable)
Norton W	United States	Record daily precipitation	86.6 mm (3.4 in)	55 of 100 (Notable)
Sodankyla Vuotso	Finland	Record daily precipitation	35.5 mm (1.4 in)	52 of 100 (Notable)
Punchbowl Crater 709	United States	Record daily precipitation	59.9 mm (2.4 in)	51 of 100 (Notable)
Waimea Valley 892.2	United States	Record daily precipitation	68.6 mm (2.7 in)	51 of 100 (Notable)
Cordova AP	United States	Record high maximum temperature	23.9 C (75.0 F)	50 of 100 (Notable)
Moanalua 770	United States	Record daily precipitation	96.0 mm (3.8 in)	49 of 100 (Notable)
UNIV of Hawaii 713	United States	Record daily precipitation	53.8 mm (2.1 in)	49 of 100 (Notable)
Molokai Kaunakakai Molokai AP	United States	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Port-Aux-Francais (Iles Kergu	France	Record daily precipitation	31.0 mm (1.2 in)	47 of 100 (Notable)
Kempten	Germany	Record daily precipitation	32.4 mm (1.3 in)	46 of 100 (Notable)
Danevang 1 W	United States	Record daily precipitation	59.9 mm (2.4 in)	46 of 100 (Notable)
Dutch Harbor	United States	Record high maximum temperature	20.6 C (69.1 F)	46 of 100 (Notable)
Waialae-Kahala 715	United States	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Kaunakakai 536	United States	Record daily precipitation	53.1 mm (2.1 in)	45 of 100 (Notable)
Passau-Maierhof	Germany	Record daily precipitation	25.1 mm (1.0 in)	44 of 100 (Notable)
Avon Park 2 W	United States	Record high minimum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Harlingen	United States	Record daily precipitation	102.9 mm (4.1 in)	44 of 100 (Notable)
Pali Golf Course 788.1	United States	Record daily precipitation	116.6 mm (4.6 in)	44 of 100 (Notable)
Waihee 837.5	United States	Record daily precipitation	120.7 mm (4.8 in)	44 of 100 (Notable)
Auburn	United States	Record low maximum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Dutch Harbor	United States	Record high minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Matagorda #2	United States	Record daily precipitation	83.6 mm (3.3 in)	41 of 100 (Notable)
Norwich Public Utility Plt	United States	Record daily precipitation	117.3 mm (4.6 in)	40 of 100 (Notable)
Waiahole 837	United States	Record daily precipitation	106.7 mm (4.2 in)	40 of 100 (Notable)
Elizabeth City	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Smithfield	United States	Record high minimum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Fullerton 1 ESE	United States	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Neshaminy Falls	United States	Record high minimum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Waterdale	United States	Record high minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Hartwell	United States	Record high minimum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Boonton 1 SE	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Raymond 2 S	United States	Record daily precipitation	37.8 mm (1.5 in)	38 of 100 (Notable)
Zajsan	Kazakhstan	Record low minimum temperature	0.7 C (33.3 F)	37 of 100 (Notable)
Cherdyn'	Russia	Record daily precipitation	25.7 mm (1.0 in)	37 of 100 (Notable)
Joskar-Ola	Russia	Record high minimum temperature	16.3 C (61.3 F)	37 of 100 (Notable)
Storrs	United States	Record daily precipitation	69.1 mm (2.7 in)	37 of 100 (Notable)
Marion	United States	Record high minimum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Stevensville 2SW	United States	Record high minimum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Concord	United States	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Morganton	United States	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Hot Springs	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Wytheville	United States	Record high minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Laghouat	Algeria	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Inari Saariselka Matkailukesku	Finland	Record daily precipitation	38.4 mm (1.5 in)	35 of 100 (Notable)
Headland	United States	Record daily precipitation	100.6 mm (4.0 in)	35 of 100 (Notable)
Siler City 2 N	United States	Record high minimum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Martinsville Fltr Plt	United States	Record high minimum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Wilmington New Castle Co AP	United States	Record high minimum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Souda Airport	Greece	Record daily precipitation	33.3 mm (1.3 in)	34 of 100 (Routine)
Five Points 5 SSW	United States	Record low minimum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Cairo 1SW	United States	Record high minimum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
N Wilkesboro	United States	Record high minimum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Oakes	United States	Record high maximum temperature	34.4 C (93.9 F)	34 of 100 (Routine)

Counts by Type and Timescale

636 records

Records set or tied on 13 September 2018 by type: Highest daily maximum 104, Lowest daily maximum 31, Highest daily minimum 358, Lowest daily minimum 41, Heaviest daily rainfall 102.

Records on 13 September 2018 by type
Record type	Records
Highest daily maximum	104
Lowest daily maximum	31
Highest daily minimum	358
Lowest daily minimum	41
Heaviest daily rainfall	102
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 13 September 2018 by timescale: all-time 1, monthly 25, daily 610.

How Much Records Were Beaten By

464 broken records

Margins by which the 464 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.3. Ties are not counted.

Top 20 by Significance

13 September 2018

Top 20 records on 13 September 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 September 2018	Mahinahina 466, US	daily rain	54.4 mm (2.1 in)	43.0 mm (1.7 in)	91 years	77 of 100 (Major)
13 September 2018	Waipahu 750, US	monthly rain	93.7 mm (3.7 in)	35.3 mm (1.4 in)	32 years	69 of 100 (Major)
13 September 2018	Kapalama 773, US	monthly rain	102.9 mm (4.1 in)	16.5 mm (0.6 in)	87 years	64 of 100 (Major)
13 September 2018	Zhangwu, CN	daily rain	101.1 mm (4.0 in)	83.4 mm (3.3 in)	57 years	63 of 100 (Major)
13 September 2018	Aiea Hts 764.6, US	monthly rain	142.0 mm (5.6 in)	40.4 mm (1.6 in)	36 years	63 of 100 (Major)
13 September 2018	Waimanalo Exp F 795.1, US	monthly rain	121.4 mm (4.8 in)	57.4 mm (2.3 in)	24 years	62 of 100 (Major)
13 September 2018	Manoa 712.1, US	daily rain	91.9 mm (3.6 in)	37.3 mm (1.5 in)	31 years	59 of 100 (Notable)
13 September 2018	Norton W, US	daily rain	86.6 mm (3.4 in)	26.9 mm (1.1 in)	100 years	55 of 100 (Notable)
13 September 2018	Sodankyla Vuotso, FI	daily rain	35.5 mm (1.4 in)	28.7 mm (1.1 in)	20 years	52 of 100 (Notable)
13 September 2018	Punchbowl Crater 709, US	daily rain	59.9 mm (2.4 in)	22.3 mm (0.9 in)	31 years	51 of 100 (Notable)
13 September 2018	Waimea Valley 892.2, US	daily rain	68.6 mm (2.7 in)	52.9 mm (2.1 in)	28 years	51 of 100 (Notable)
13 September 2018	Cordova AP, US	daily high max	23.9 C (75.0 F)	3.9 C (7.0 F)	92 years	50 of 100 (Notable)
13 September 2018	Moanalua 770, US	monthly rain	96.0 mm (3.8 in)	19.0 mm (0.7 in)	22 years	49 of 100 (Notable)
13 September 2018	UNIV of Hawaii 713, US	daily rain	53.8 mm (2.1 in)	45.4 mm (1.8 in)	1 year	49 of 100 (Notable)
13 September 2018	Molokai Kaunakakai Molokai AP, US	daily rain	29.2 mm (1.1 in)	19.3 mm (0.8 in)	15 years	48 of 100 (Notable)
13 September 2018	Port-Aux-Francais (Iles Kergu, FR	daily rain	31.0 mm (1.2 in)	23.1 mm (0.9 in)	11 years	47 of 100 (Notable)
13 September 2018	Kempten, DE	daily rain	32.4 mm (1.3 in)	6.3 mm (0.25 in)	104 years	46 of 100 (Notable)
13 September 2018	Danevang 1 W, US	daily rain	59.9 mm (2.4 in)	19.8 mm (0.8 in)	92 years	46 of 100 (Notable)
13 September 2018	Dutch Harbor, US	daily high max	20.6 C (69.1 F)	2.8 C (5.0 F)	88 years	46 of 100 (Notable)
13 September 2018	Waialae-Kahala 715, US	daily rain	35.6 mm (1.4 in)	28.0 mm (1.1 in)	3 years	46 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

1793 to 2018

Records set or tied on this calendar date in each year from 1793 to 2018. 2018 had 636 records.

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

Records on 09-13 in each year
Year	Records
1793	1
1809	1
1814	1
1822	1
1835	1
1836	1
1839	1
1849	1
1850	2
1851	1
1856	1
1857	1
1859	1
1860	1
1864	1
1866	1
1867	2
1868	1
1872	3
1876	1
1878	1
1880	2
1882	2
1883	1
1886	1
1887	1
1888	1
1889	1
1891	1
1892	4
1893	2
1894	2
1895	1
1896	2
1897	3
1899	7
1900	3
1901	15
1902	30
1903	17
1904	8
1905	7
1906	23
1907	6
1908	11
1909	26
1910	11
1911	65
1912	23
1913	43
1914	42
1915	48
1916	19
1917	172
1918	33
1919	88
1920	48
1921	63
1922	124
1923	122
1924	65
1925	294
1926	76
1927	439
1928	253
1929	187
1930	284
1931	639
1932	171
1933	299
1934	187
1935	363
1936	519
1937	486
1938	382
1939	918
1940	841
1941	299
1942	287
1943	602
1944	361
1945	657
1946	423
1947	491
1948	472
1949	935
1950	657
1951	469
1952	569
1953	732
1954	291
1955	387
1956	332
1957	544
1958	578
1959	740
1960	660
1961	972
1962	378
1963	676
1964	645
1965	572
1966	501
1967	420
1968	239
1969	518
1970	1,216
1971	708
1972	396
1973	746
1974	965
1975	1,365
1976	411
1977	457
1978	796
1979	574
1980	648
1981	408
1982	1,004
1983	703
1984	646
1985	852
1986	741
1987	970
1988	902
1989	1,243
1990	1,187
1991	672
1992	580
1993	1,143
1994	667
1995	845
1996	1,117
1997	657
1998	1,654
1999	847
2000	856
2001	841
2002	879
2003	728
2004	743
2005	854
2006	1,076
2007	543
2008	1,508
2009	811
2010	827
2011	1,099
2012	526
2013	967
2014	1,291
2015	879
2016	1,093
2017	945
2018	636
2019	660
2020	591
2021	416
2022	668
2023	514
2024	818
2025	492
2026	905

Download the Data

Data for records on 2018-09-13: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	434
20 to 40	17
40 to 60	9
60 to 80	2
80 to 100	2