Weather Records on 15 September 2025

503 weather records were set or tied worldwide on 15 September 2025. Highest significance: Turtle Lake, US.

Key Facts for 15 September 2025

On 15 September 2025, 503 weather records were set or tied at long-record stations worldwide.
376 were record highs and 32 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 490 daily.
Turtle Lake set a daily record precipitation of 69.9 mm (2.8 in) on 15 September 2025.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 412 records.

Record Map

503 stations

503 station records on 15 September 2025 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 2025: highest significance records shown on the map
Station	Country	Type	Value	Significance
Turtle Lake	United States	Record daily precipitation	69.9 mm (2.8 in)	80 of 100 (Exceptional)
Mobridge 2NNW	United States	Record daily precipitation	61.7 mm (2.4 in)	67 of 100 (Major)
Wrixum/Fohr	Germany	Record daily precipitation	50.8 mm (2.0 in)	63 of 100 (Major)
Snake Rvr	United States	Record daily precipitation	30.5 mm (1.2 in)	57 of 100 (Notable)
Velva	United States	Record daily precipitation	39.1 mm (1.5 in)	55 of 100 (Notable)
Higgins	United States	Record daily precipitation	115.8 mm (4.6 in)	54 of 100 (Notable)
Kiel-Holtenau	Germany	Record daily precipitation	40.0 mm (1.6 in)	52 of 100 (Notable)
Navajo Dam	United States	Record daily precipitation	39.6 mm (1.6 in)	50 of 100 (Notable)
Potosi 4 SW	United States	Record high maximum temperature	35.6 C (96.1 F)	44 of 100 (Notable)
Ketchikan AP	United States	Record daily precipitation	194.6 mm (7.7 in)	43 of 100 (Notable)
Gyshgy	Turkmenistan	Record high minimum temperature	19.0 C (66.2 F)	42 of 100 (Notable)
Bjornholt	Norway	Record daily precipitation	54.0 mm (2.1 in)	41 of 100 (Notable)
Leck	Germany	Record daily precipitation	39.8 mm (1.6 in)	40 of 100 (Notable)
Chico UNIV Farm	United States	Record high maximum temperature	41.7 C (107.1 F)	39 of 100 (Notable)
Burwell 2WSW	United States	Record daily precipitation	40.1 mm (1.6 in)	39 of 100 (Notable)
Langdon Exp Farm	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Pembina	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Buffalo 2N	United States	Record high maximum temperature	35.0 C (95.0 F)	38 of 100 (Notable)
Mtn Home 1 NNW	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Glen St Mary 1 W	United States	Record low minimum temperature	12.2 C (54.0 F)	36 of 100 (Notable)
Sankt Peter-Ording	Germany	Record daily precipitation	37.8 mm (1.5 in)	35 of 100 (Notable)
Naryn	Kyrgyzstan	Record high minimum temperature	13.0 C (55.4 F)	35 of 100 (Notable)
Malham Tarn	United Kingdom	Record daily precipitation	43.6 mm (1.7 in)	35 of 100 (Notable)
Quincy Dam 21	United States	Record high maximum temperature	35.6 C (96.1 F)	35 of 100 (Notable)
Big Falls	United States	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Wakkanai	Japan	Record high minimum temperature	21.0 C (69.8 F)	32 of 100 (Routine)
Rumoi	Japan	Record high minimum temperature	22.1 C (71.8 F)	32 of 100 (Routine)
Khudjand	Tajikistan	Record high minimum temperature	20.2 C (68.4 F)	32 of 100 (Routine)
Mayo	United States	Record low minimum temperature	12.2 C (54.0 F)	32 of 100 (Routine)
Ft Madison	United States	Record high maximum temperature	33.3 C (91.9 F)	32 of 100 (Routine)
Marshfield 4 WSW	United States	Record high maximum temperature	35.6 C (96.1 F)	32 of 100 (Routine)
Shelbina	United States	Record high maximum temperature	35.0 C (95.0 F)	32 of 100 (Routine)
Kenmare 1 WSW	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Haboro	Japan	Record high minimum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Tsu	Japan	Record high maximum temperature	34.1 C (93.4 F)	31 of 100 (Routine)
Albacete Los Llanos	Spain	Record high minimum temperature	19.7 C (67.5 F)	31 of 100 (Routine)
Live Oak	United States	Record low minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Thief River Falls	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Saverton L&D 22	United States	Record high maximum temperature	36.1 C (97.0 F)	31 of 100 (Routine)
Sweet Springs	United States	Record high maximum temperature	35.0 C (95.0 F)	31 of 100 (Routine)
Cut Bank AP	United States	Record high minimum temperature	11.7 C (53.1 F)	31 of 100 (Routine)
Virtsu	Estonia	Record high minimum temperature	14.8 C (58.6 F)	30 of 100 (Routine)
Shionomisaki	Japan	Record high minimum temperature	26.6 C (79.9 F)	30 of 100 (Routine)
Bullfrog Basin	United States	Record low minimum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Cuddalore	India	Record high minimum temperature	28.2 C (82.8 F)	29 of 100 (Routine)
Magueyes Is	Puerto Rico [United States]	Record high minimum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Sikeston Pwr STN	United States	Record high maximum temperature	37.2 C (99.0 F)	29 of 100 (Routine)
W Plains	United States	Record high maximum temperature	37.2 C (99.0 F)	29 of 100 (Routine)
Hardin	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Westby	United States	Record high minimum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Oahe Dam	United States	Record daily precipitation	41.1 mm (1.6 in)	29 of 100 (Routine)
Kawaguchiko	Japan	Record high minimum temperature	20.2 C (68.4 F)	28 of 100 (Routine)
Bel'cy	Moldova	Record low maximum temperature	14.7 C (58.5 F)	28 of 100 (Routine)
Baterod	Norway	Record daily precipitation	44.4 mm (1.7 in)	28 of 100 (Routine)
Murcia/Alcantarilla	Spain	Record high minimum temperature	23.4 C (74.1 F)	28 of 100 (Routine)
Ekezhe	Turkmenistan	Record low maximum temperature	21.6 C (70.9 F)	28 of 100 (Routine)
Ocracoke	United States	Record low maximum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Mc Intosh 6 SE	United States	Record daily precipitation	29.7 mm (1.2 in)	28 of 100 (Routine)
Rochelle 7ENE	United States	Record high minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)

Counts by Type and Timescale

503 records

Records set or tied on 15 September 2025 by type: Highest daily maximum 116, Lowest daily maximum 14, Highest daily minimum 260, Lowest daily minimum 18, Heaviest daily rainfall 95.

Records on 15 September 2025 by type
Record type	Records
Highest daily maximum	116
Lowest daily maximum	14
Highest daily minimum	260
Lowest daily minimum	18
Heaviest daily rainfall	95
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 2025 by timescale: all-time 0, monthly 13, daily 490.

How Much Records Were Beaten By

409 broken records

Margins by which the 409 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 53.4. Ties are not counted.

Top 20 by Significance

15 September 2025

Top 20 records on 15 September 2025 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 2025	Turtle Lake, US	daily rain	69.9 mm (2.8 in)	53.4 mm (2.1 in)	112 years	80 of 100 (Exceptional)
15 September 2025	Mobridge 2NNW, US	daily rain	61.7 mm (2.4 in)	49.8 mm (2.0 in)	58 years	67 of 100 (Major)
15 September 2025	Wrixum/Fohr, DE	daily rain	50.8 mm (2.0 in)	15.6 mm (0.6 in)	119 years	63 of 100 (Major)
15 September 2025	Snake Rvr, US	daily rain	30.5 mm (1.2 in)	14.0 mm (0.6 in)	84 years	57 of 100 (Notable)
15 September 2025	Velva, US	daily rain	39.1 mm (1.5 in)	16.5 mm (0.6 in)	84 years	55 of 100 (Notable)
15 September 2025	Higgins, US	monthly rain	115.8 mm (4.6 in)	37.1 mm (1.5 in)	26 years	54 of 100 (Notable)
15 September 2025	Kiel-Holtenau, DE	daily rain	40.0 mm (1.6 in)	19.5 mm (0.8 in)	31 years	52 of 100 (Notable)
15 September 2025	Navajo Dam, US	daily rain	39.6 mm (1.6 in)	28.4 mm (1.1 in)	14 years	50 of 100 (Notable)
15 September 2025	Potosi 4 SW, US	daily high max	35.6 C (96.1 F)	2.3 C (4.1 F)	131 years	44 of 100 (Notable)
15 September 2025	Ketchikan AP, US	monthly rain	194.6 mm (7.7 in)	2.8 mm (0.11 in)	75 years	43 of 100 (Notable)
15 September 2025	Gyshgy, TM	daily high min	19.0 C (66.2 F)	2.1 C (3.8 F)	90 years	42 of 100 (Notable)
15 September 2025	Bjornholt, NO	daily rain	54.0 mm (2.1 in)	8.1 mm (0.32 in)	83 years	41 of 100 (Notable)
15 September 2025	Leck, DE	daily rain	39.8 mm (1.6 in)	21.0 mm (0.8 in)	12 years	40 of 100 (Notable)
15 September 2025	Chico UNIV Farm, US	daily high max	41.7 C (107.1 F)	0.6 C (1.1 F)	96 years	39 of 100 (Notable)
15 September 2025	Burwell 2WSW, US	daily rain	40.1 mm (1.6 in)	10.9 mm (0.4 in)	75 years	39 of 100 (Notable)
15 September 2025	Langdon Exp Farm, US	daily high min	17.2 C (63.0 F)	2.2 C (4.0 F)	84 years	39 of 100 (Notable)
15 September 2025	Pembina, US	daily high min	18.3 C (64.9 F)	2.2 C (4.0 F)	86 years	39 of 100 (Notable)
15 September 2025	Buffalo 2N, US	daily high max	35.0 C (95.0 F)	0.6 C (1.1 F)	94 years	38 of 100 (Notable)
15 September 2025	Mtn Home 1 NNW, US	daily high min	22.2 C (72.0 F)	0.5 C (0.9 F)	88 years	37 of 100 (Notable)
15 September 2025	Detroit Lakes 1 NNE, US	daily high min	20.6 C (69.1 F)	1.2 C (2.2 F)	86 years	37 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 2025

Records set or tied on this calendar date in each year from 1797 to 2025. 2025 had 503 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 2025-09-15: 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 10	383
10 to 20	21
20 to 30	2
30 to 40	1
40 to 50	1
50 to 60	1