Weather Records on 15 September 2026

779 weather records were set or tied worldwide on 15 September 2026. Highest significance: Takayama, JP.

Key Facts for 15 September 2026

On 15 September 2026, 779 weather records were set or tied at long-record stations worldwide.
589 were record highs and 57 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 757 daily.
Takayama set an all-time record daily precipitation of 361.5 mm (14.2 in) on 15 September 2026 (provisional).
Across 170 earlier years (1797 to 2025) the same calendar date averaged 411 records.

Record Map

779 stations

779 station records on 15 September 2026 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 2026: highest significance records shown on the map
Station	Country	Type	Value	Significance
Takayama	Japan	Record daily precipitation	361.5 mm (14.2 in)	83 of 100 (Exceptional)
Gunnison 3SW	United States	Record daily precipitation	25.9 mm (1.0 in)	71 of 100 (Major)
Wenatchee	United States	Record daily precipitation	29.2 mm (1.1 in)	69 of 100 (Major)
Shirakawa	Japan	Record daily precipitation	186.0 mm (7.3 in)	66 of 100 (Major)
Saga	Japan	Record daily precipitation	193.0 mm (7.6 in)	66 of 100 (Major)
El Morro Natl Mon	United States	Record daily precipitation	47.5 mm (1.9 in)	66 of 100 (Major)
Kitamiesashi	Japan	Record daily precipitation	111.5 mm (4.4 in)	65 of 100 (Major)
Karuizawa	Japan	Record daily precipitation	125.0 mm (4.9 in)	65 of 100 (Major)
Hita	Japan	Record daily precipitation	178.5 mm (7.0 in)	65 of 100 (Major)
Nobeoka	Japan	Record daily precipitation	306.5 mm (12.1 in)	65 of 100 (Major)
Fukaura	Japan	Record daily precipitation	181.0 mm (7.1 in)	64 of 100 (Major)
Chichibu	Japan	Record daily precipitation	231.5 mm (9.1 in)	64 of 100 (Major)
Shinjo	Japan	Record daily precipitation	131.5 mm (5.2 in)	63 of 100 (Major)
Utsunomiya	Japan	Record daily precipitation	259.0 mm (10.2 in)	63 of 100 (Major)
Hiroshima	Japan	Record daily precipitation	149.0 mm (5.9 in)	63 of 100 (Major)
Richfield 10 WSW	United States	Record daily precipitation	53.6 mm (2.1 in)	58 of 100 (Notable)
Obihiro	Japan	Record daily precipitation	135.5 mm (5.3 in)	57 of 100 (Notable)
Wakamatsu	Japan	Record daily precipitation	219.5 mm (8.6 in)	56 of 100 (Notable)
Coldwater St School	United States	Record daily precipitation	50.3 mm (2.0 in)	56 of 100 (Notable)
Fukushima Arpt	Japan	Record daily precipitation	234.5 mm (9.2 in)	55 of 100 (Notable)
Iida	Japan	Record daily precipitation	127.0 mm (5.0 in)	55 of 100 (Notable)
Kutchan	Japan	Record daily precipitation	167.0 mm (6.6 in)	52 of 100 (Notable)
Kofu	Japan	Record daily precipitation	128.0 mm (5.0 in)	52 of 100 (Notable)
Hitoyoshi	Japan	Record daily precipitation	196.5 mm (7.7 in)	52 of 100 (Notable)
Aomori	Japan	Record daily precipitation	249.5 mm (9.8 in)	51 of 100 (Notable)
Kawaguchiko	Japan	Record daily precipitation	167.0 mm (6.6 in)	51 of 100 (Notable)
Appleton	United States	Record daily precipitation	61.0 mm (2.4 in)	51 of 100 (Notable)
Elk	United States	Record high minimum temperature	17.8 C (64.0 F)	50 of 100 (Notable)
Matsue	Japan	Record daily precipitation	291.0 mm (11.5 in)	49 of 100 (Notable)
Tokushima	Japan	Record daily precipitation	175.0 mm (6.9 in)	49 of 100 (Notable)
Atlantic 1 NE	United States	Record daily precipitation	96.8 mm (3.8 in)	49 of 100 (Notable)
Sturgeon Bay Exp Farm	United States	Record daily precipitation	36.8 mm (1.4 in)	49 of 100 (Notable)
Abashiri	Japan	Record daily precipitation	173.0 mm (6.8 in)	47 of 100 (Notable)
Mombetsu	Japan	Record daily precipitation	80.0 mm (3.1 in)	47 of 100 (Notable)
Yamagata	Japan	Record daily precipitation	196.5 mm (7.7 in)	47 of 100 (Notable)
Fushiki	Japan	Record daily precipitation	184.5 mm (7.3 in)	47 of 100 (Notable)
Britton	United States	Record daily precipitation	27.4 mm (1.1 in)	47 of 100 (Notable)
Friendship	United States	Record daily precipitation	46.2 mm (1.8 in)	47 of 100 (Notable)
Oakland	United States	Record daily precipitation	89.9 mm (3.5 in)	46 of 100 (Notable)
Brillion	United States	Record daily precipitation	54.1 mm (2.1 in)	46 of 100 (Notable)
Clintonville	United States	Record daily precipitation	73.7 mm (2.9 in)	46 of 100 (Notable)
Okayama	Japan	Record daily precipitation	92.5 mm (3.6 in)	45 of 100 (Notable)
Helena 1 SSE	United States	Record high minimum temperature	25.6 C (78.1 F)	45 of 100 (Notable)
Albany	United States	Record high minimum temperature	25.6 C (78.1 F)	45 of 100 (Notable)
Talkeetna AP	United States	Record daily precipitation	48.5 mm (1.9 in)	45 of 100 (Notable)
Bonham 3NNE	United States	Record high minimum temperature	26.1 C (79.0 F)	43 of 100 (Notable)
Leavenworth 3 S	United States	Record low maximum temperature	13.9 C (57.0 F)	43 of 100 (Notable)
Takaroa	French Polynesia	Record daily precipitation	38.2 mm (1.5 in)	42 of 100 (Notable)
Brunswick	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Garnett 1 E	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Hays 1 S	United States	Record high maximum temperature	39.4 C (102.9 F)	42 of 100 (Notable)
Houston	United States	Record high minimum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Crosbyton	United States	Record high minimum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Two Rivers	United States	Record daily precipitation	38.9 mm (1.5 in)	42 of 100 (Notable)
McAlester Rgnl AP	United States	Record high minimum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Kanazawa	Japan	Record daily precipitation	120.5 mm (4.7 in)	41 of 100 (Notable)
Conway	United States	Record high minimum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Hot Springs 1 NNE	United States	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Marianna 2 S	United States	Record high minimum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Morrilton	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)

Counts by Type and Timescale

779 records

Records set or tied on 15 September 2026 by type: Highest daily maximum 190, Lowest daily maximum 14, Highest daily minimum 399, Lowest daily minimum 43, Heaviest daily rainfall 133.

Records on 15 September 2026 by type
Record type	Records
Highest daily maximum	190
Lowest daily maximum	14
Highest daily minimum	399
Lowest daily minimum	43
Heaviest daily rainfall	133
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 2026 by timescale: all-time 2, monthly 20, daily 757.

How Much Records Were Beaten By

578 broken records

Margins by which the 578 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 209.5. Ties are not counted.

Top 20 by Significance

15 September 2026

Top 20 records on 15 September 2026 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 2026	Takayama, JP	all-time rain (Provisional)	361.5 mm (14.2 in)	141.5 mm (5.6 in)	55 years	83 of 100 (Exceptional)
15 September 2026	Gunnison 3SW, US	daily rain (Provisional)	25.9 mm (1.0 in)	12.7 mm (0.5 in)	113 years	71 of 100 (Major)
15 September 2026	Wenatchee, US	daily rain (Provisional)	29.2 mm (1.1 in)	23.4 mm (0.9 in)	67 years	69 of 100 (Major)
15 September 2026	Shirakawa, JP	daily rain (Provisional)	186.0 mm (7.3 in)	115.5 mm (4.5 in)	64 years	66 of 100 (Major)
15 September 2026	Saga, JP	daily rain (Provisional)	193.0 mm (7.6 in)	108.4 mm (4.3 in)	64 years	66 of 100 (Major)
15 September 2026	El Morro Natl Mon, US	daily rain (Provisional)	47.5 mm (1.9 in)	34.5 mm (1.4 in)	60 years	66 of 100 (Major)
15 September 2026	Kitamiesashi, JP	daily rain (Provisional)	111.5 mm (4.4 in)	67.3 mm (2.6 in)	60 years	65 of 100 (Major)
15 September 2026	Karuizawa, JP	daily rain (Provisional)	125.0 mm (4.9 in)	75.8 mm (3.0 in)	73 years	65 of 100 (Major)
15 September 2026	Hita, JP	daily rain (Provisional)	178.5 mm (7.0 in)	84.5 mm (3.3 in)	64 years	65 of 100 (Major)
15 September 2026	Nobeoka, JP	daily rain (Provisional)	306.5 mm (12.1 in)	164.5 mm (6.5 in)	64 years	65 of 100 (Major)
15 September 2026	Fukaura, JP	daily rain (Provisional)	181.0 mm (7.1 in)	120.0 mm (4.7 in)	56 years	64 of 100 (Major)
15 September 2026	Chichibu, JP	daily rain (Provisional)	231.5 mm (9.1 in)	139.3 mm (5.5 in)	59 years	64 of 100 (Major)
15 September 2026	Shinjo, JP	daily rain (Provisional)	131.5 mm (5.2 in)	91.0 mm (3.6 in)	56 years	63 of 100 (Major)
15 September 2026	Utsunomiya, JP	daily rain (Provisional)	259.0 mm (10.2 in)	209.5 mm (8.2 in)	53 years	63 of 100 (Major)
15 September 2026	Hiroshima, JP	daily rain (Provisional)	149.0 mm (5.9 in)	83.9 mm (3.3 in)	60 years	63 of 100 (Major)
15 September 2026	Richfield 10 WSW, US	daily rain (Provisional)	53.6 mm (2.1 in)	32.0 mm (1.3 in)	68 years	58 of 100 (Notable)
15 September 2026	Obihiro, JP	daily rain (Provisional)	135.5 mm (5.3 in)	105.5 mm (4.2 in)	36 years	57 of 100 (Notable)
15 September 2026	Wakamatsu, JP	daily rain (Provisional)	219.5 mm (8.6 in)	187.5 mm (7.4 in)	31 years	56 of 100 (Notable)
15 September 2026	Coldwater St School, US	daily rain (Provisional)	50.3 mm (2.0 in)	18.5 mm (0.7 in)	123 years	56 of 100 (Notable)
15 September 2026	Fukushima Arpt, JP	monthly rain (Provisional)	234.5 mm (9.2 in)	63.5 mm (2.5 in)	0 years	55 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

1797 to 2026

Records set or tied on this calendar date in each year from 1797 to 2026. 2026 had 779 records.

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

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 2026-09-15: 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Margin	Records
0 to 50	549
50 to 100	14
100 to 150	12
150 to 200	2
200 to 250	1