Weather Records on 25 September 2015

868 weather records were set or tied worldwide on 25 September 2015. Highest significance: Port Douglas - Warner St, AU.

Key Facts for 25 September 2015

On 25 September 2015, 868 weather records were set or tied at long-record stations worldwide.
714 were record highs and 42 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 858 daily.
Port Douglas - Warner St set a daily record precipitation of 62.4 mm (2.5 in) on 25 September 2015.
Across 163 earlier years (1825 to 2026) the same calendar date averaged 423 records.

Record Map

868 stations

868 station records on 25 September 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 September 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Port Douglas - Warner St	Australia	Record daily precipitation	62.4 mm (2.5 in)	80 of 100 (Exceptional)
Nikolskoye/Beringa Ostrov	Russia	Record daily precipitation	49.8 mm (2.0 in)	65 of 100 (Major)
Fairbanks Intl AP	United States	Record daily snowfall	17.0 cm (6.7 in)	61 of 100 (Major)
Nizhne-Tambovskoe	Russia	Record daily precipitation	38.3 mm (1.5 in)	55 of 100 (Notable)
Syracuse	United States	Record daily precipitation	66.3 mm (2.6 in)	54 of 100 (Notable)
Ashland #2	United States	Record daily precipitation	50.8 mm (2.0 in)	53 of 100 (Notable)
Tekamah	United States	Record daily precipitation	47.0 mm (1.9 in)	52 of 100 (Notable)
Walterboro 1 SW	United States	Record daily precipitation	164.3 mm (6.5 in)	50 of 100 (Notable)
Poretskoye	Russia	Record high maximum temperature	28.7 C (83.7 F)	49 of 100 (Notable)
Danville Rgnl AP	United States	Record daily precipitation	82.0 mm (3.2 in)	48 of 100 (Notable)
Whyanbeel Valley	Australia	Record daily precipitation	37.0 mm (1.5 in)	45 of 100 (Notable)
Tot-Ma	Russia	Record high maximum temperature	24.6 C (76.3 F)	45 of 100 (Notable)
Washta	United States	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Kostroma	Russia	Record high maximum temperature	27.2 C (81.0 F)	43 of 100 (Notable)
Niznij Novgorod	Russia	Record high maximum temperature	27.3 C (81.1 F)	43 of 100 (Notable)
Elatma	Russia	Record high maximum temperature	29.3 C (84.7 F)	43 of 100 (Notable)
Beowawe	United States	Record high maximum temperature	33.9 C (93.0 F)	43 of 100 (Notable)
Mohall	United States	Record daily precipitation	38.6 mm (1.5 in)	43 of 100 (Notable)
Kwajalein	Marshall Islands	Record daily precipitation	105.9 mm (4.2 in)	42 of 100 (Notable)
Inza	Russia	Record high maximum temperature	30.1 C (86.2 F)	42 of 100 (Notable)
Bezenchuk	Russia	Record high maximum temperature	28.6 C (83.5 F)	42 of 100 (Notable)
Curtis	United States	Record high minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Lynch	United States	Record high minimum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Ipswich	United States	Record high minimum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Kargopol	Russia	Record high maximum temperature	22.0 C (71.6 F)	41 of 100 (Notable)
Niznij Novgorod	Russia	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Kazan	Russia	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Lukojanov	Russia	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Ashton 1N	United States	Record high maximum temperature	30.6 C (87.1 F)	41 of 100 (Notable)
Ft Duchesne	United States	Record high maximum temperature	31.1 C (88.0 F)	41 of 100 (Notable)
Bishop AP	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Nalut	Libya	Record low maximum temperature	19.6 C (67.3 F)	40 of 100 (Notable)
Vologda	Russia	Record high maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Zametchino	Russia	Record high maximum temperature	29.3 C (84.7 F)	40 of 100 (Notable)
Minsk	Belarus	Record high minimum temperature	15.8 C (60.4 F)	39 of 100 (Notable)
Paonia 1SW	United States	Record high maximum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
Wibaux 2 E	United States	Record high minimum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Lamar Rs	United States	Record high maximum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Mozyr	Belarus	Record high minimum temperature	19.0 C (66.2 F)	38 of 100 (Notable)
Zuara	Libya	Record low maximum temperature	22.5 C (72.5 F)	38 of 100 (Notable)
Kazan	Russia	Record high maximum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Samara	Russia	Record high maximum temperature	28.1 C (82.6 F)	38 of 100 (Notable)
Oktjabrskij-Gorodok	Russia	Record high maximum temperature	28.9 C (84.0 F)	38 of 100 (Notable)
Urjupinsk	Russia	Record high maximum temperature	29.0 C (84.2 F)	38 of 100 (Notable)
Lubny	Ukraine	Record high minimum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Lviv	Ukraine	Record high minimum temperature	15.8 C (60.4 F)	38 of 100 (Notable)
Uman	Ukraine	Record high minimum temperature	17.3 C (63.1 F)	38 of 100 (Notable)
Artichoke Lake 1 E	United States	Record high minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Red Lodge	United States	Record high maximum temperature	31.1 C (88.0 F)	38 of 100 (Notable)
Pahrump 4 NW	United States	Record high maximum temperature	37.8 C (100.0 F)	38 of 100 (Notable)
N Pole	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Puuhonua-O-Honaunau 27.4	United States	Record daily precipitation	47.5 mm (1.9 in)	38 of 100 (Notable)
Winston Salem Reynolds AP	United States	Record daily precipitation	36.3 mm (1.4 in)	38 of 100 (Notable)
Kursk	Russia	Record high minimum temperature	15.1 C (59.2 F)	37 of 100 (Notable)
Sotchi	Russia	Record high minimum temperature	22.0 C (71.6 F)	37 of 100 (Notable)
Deaver	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Zamboanga	Philippines	Record low maximum temperature	27.0 C (80.6 F)	36 of 100 (Notable)
St. Petersburg	Russia	Record high minimum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Tihvin	Russia	Record high minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Pogranichnyj	Russia	Record high minimum temperature	14.3 C (57.7 F)	36 of 100 (Notable)

Counts by Type and Timescale

868 records

Records set or tied on 25 September 2015 by type: Highest daily maximum 362, Lowest daily maximum 20, Highest daily minimum 352, Lowest daily minimum 22, Heaviest daily rainfall 104, Heaviest daily snowfall 6, Deepest snow cover 2.

Records on 25 September 2015 by type
Record type	Records
Highest daily maximum	362
Lowest daily maximum	20
Highest daily minimum	352
Lowest daily minimum	22
Heaviest daily rainfall	104
Heaviest daily snowfall	6
Deepest snow cover	2

Records on 25 September 2015 by timescale: all-time 0, monthly 10, daily 858.

How Much Records Were Beaten By

712 broken records

Margins by which the 712 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

25 September 2015

Top 20 records on 25 September 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 September 2015	Port Douglas - Warner St, AU	daily rain	62.4 mm (2.5 in)	48.9 mm (1.9 in)	102 years	80 of 100 (Exceptional)
25 September 2015	Nikolskoye/Beringa Ostrov, RU	daily rain	49.8 mm (2.0 in)	28.1 mm (1.1 in)	52 years	65 of 100 (Major)
25 September 2015	Fairbanks Intl AP, US	daily snowfall	17.0 cm (6.7 in)	15.0 cm (5.9 in)	44 years	61 of 100 (Major)
25 September 2015	Nizhne-Tambovskoe, RU	daily rain	38.3 mm (1.5 in)	21.2 mm (0.8 in)	68 years	55 of 100 (Notable)
25 September 2015	Syracuse, US	daily rain	66.3 mm (2.6 in)	29.2 mm (1.1 in)	88 years	54 of 100 (Notable)
25 September 2015	Ashland #2, US	daily rain	50.8 mm (2.0 in)	23.9 mm (0.9 in)	88 years	53 of 100 (Notable)
25 September 2015	Tekamah, US	daily rain	47.0 mm (1.9 in)	23.6 mm (0.9 in)	81 years	52 of 100 (Notable)
25 September 2015	Walterboro 1 SW, US	daily rain	164.3 mm (6.5 in)	46.2 mm (1.8 in)	58 years	50 of 100 (Notable)
25 September 2015	Poretskoye, RU	daily high max	28.7 C (83.7 F)	5.3 C (9.5 F)	121 years	49 of 100 (Notable)
25 September 2015	Danville Rgnl AP, US	daily rain	82.0 mm (3.2 in)	57.9 mm (2.3 in)	14 years	48 of 100 (Notable)
25 September 2015	Whyanbeel Valley, AU	daily rain	37.0 mm (1.5 in)	27.3 mm (1.1 in)	58 years	45 of 100 (Notable)
25 September 2015	Tot-Ma, RU	daily high max	24.6 C (76.3 F)	4.4 C (7.9 F)	89 years	45 of 100 (Notable)
25 September 2015	Washta, US	daily rain	35.6 mm (1.4 in)	8.9 mm (0.35 in)	100 years	45 of 100 (Notable)
25 September 2015	Kostroma, RU	daily high max	27.2 C (81.0 F)	5.3 C (9.5 F)	77 years	43 of 100 (Notable)
25 September 2015	Niznij Novgorod, RU	daily high max	27.3 C (81.1 F)	5.2 C (9.4 F)	77 years	43 of 100 (Notable)
25 September 2015	Elatma, RU	daily high max	29.3 C (84.7 F)	5.2 C (9.4 F)	77 years	43 of 100 (Notable)
25 September 2015	Beowawe, US	daily high max	33.9 C (93.0 F)	1.7 C (3.1 F)	100 years	43 of 100 (Notable)
25 September 2015	Mohall, US	daily rain	38.6 mm (1.5 in)	3.0 mm (0.12 in)	113 years	43 of 100 (Notable)
25 September 2015	Kwajalein, MH	daily rain	105.9 mm (4.2 in)	40.9 mm (1.6 in)	42 years	42 of 100 (Notable)
25 September 2015	Inza, RU	daily high max	30.1 C (86.2 F)	6.6 C (11.9 F)	77 years	42 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

1825 to 2015

Records set or tied on this calendar date in each year from 1825 to 2015. 2015 had 868 records.

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

Records on 09-25 in each year
Year	Records
1825	1
1834	1
1836	1
1842	1
1843	1
1847	1
1851	1
1852	1
1855	1
1857	2
1859	1
1860	1
1863	1
1865	1
1866	2
1867	2
1868	1
1871	2
1872	1
1874	1
1875	1
1877	3
1879	2
1881	3
1884	3
1885	6
1886	1
1887	3
1889	7
1891	3
1893	7
1894	3
1895	5
1896	5
1897	2
1898	1
1899	2
1900	7
1901	6
1902	11
1903	4
1904	10
1905	16
1906	7
1907	35
1908	20
1909	22
1910	5
1911	9
1912	63
1913	13
1914	15
1915	43
1916	139
1917	138
1918	16
1919	20
1920	75
1921	32
1922	47
1923	68
1924	157
1925	141
1926	740
1927	166
1928	480
1929	158
1930	489
1931	500
1932	260
1933	542
1934	394
1935	258
1936	274
1937	190
1938	335
1939	454
1940	517
1941	269
1942	970
1943	488
1944	246
1945	514
1946	292
1947	666
1948	501
1949	479
1950	1,163
1951	639
1952	515
1953	242
1954	292
1955	546
1956	503
1957	231
1958	454
1959	396
1960	694
1961	530
1962	305
1963	602
1964	403
1965	690
1966	334
1967	428
1968	300
1969	196
1970	783
1971	323
1972	706
1973	650
1974	995
1975	1,166
1976	541
1977	875
1978	462
1979	719
1980	687
1981	669
1982	759
1983	647
1984	1,305
1985	446
1986	1,766
1987	560
1988	571
1989	1,367
1990	875
1991	1,243
1992	1,346
1993	1,015
1994	666
1995	1,013
1996	648
1997	1,278
1998	1,346
1999	804
2000	1,536
2001	1,536
2002	876
2003	758
2004	519
2005	1,484
2006	767
2007	1,284
2008	766
2009	854
2010	1,125
2011	763
2012	505
2013	615
2014	800
2015	868
2016	781
2017	1,253
2018	648
2019	530
2020	1,089
2021	355
2022	301
2023	580
2024	1,120
2025	569
2026	473

Download the Data

Data for records on 2015-09-25: 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	693
20 to 40	10
40 to 60	6
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	1
140 to 160	1