Weather Records on 24 September 2015

770 weather records were set or tied worldwide on 24 September 2015. Highest significance: Winner, US.

Key Facts for 24 September 2015

On 24 September 2015, 770 weather records were set or tied at long-record stations worldwide.
590 were record highs and 61 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 755 daily.
Winner set a daily record precipitation of 61.2 mm (2.4 in) on 24 September 2015.
Across 166 earlier years (1803 to 2026) the same calendar date averaged 425 records.

Record Map

770 stations

770 station records on 24 September 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 September 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Winner	United States	Record daily precipitation	61.2 mm (2.4 in)	80 of 100 (Exceptional)
Bottineau	United States	Record daily precipitation	69.9 mm (2.8 in)	75 of 100 (Major)
Atkinson 3SW	United States	Record daily precipitation	62.7 mm (2.5 in)	72 of 100 (Major)
David City 4E	United States	Record daily precipitation	67.1 mm (2.6 in)	71 of 100 (Major)
Newport	United States	Record daily precipitation	59.7 mm (2.4 in)	66 of 100 (Major)
Wessington Springs	United States	Record daily precipitation	118.1 mm (4.6 in)	66 of 100 (Major)
Central City	United States	Record daily precipitation	68.3 mm (2.7 in)	65 of 100 (Major)
Belcourt Keya Radio	United States	Record daily precipitation	101.6 mm (4.0 in)	62 of 100 (Major)
Mason City	United States	Record daily precipitation	56.9 mm (2.2 in)	58 of 100 (Notable)
Lyons	United States	Record daily precipitation	49.0 mm (1.9 in)	58 of 100 (Notable)
Upham 3 N	United States	Record daily precipitation	62.0 mm (2.4 in)	58 of 100 (Notable)
Storm Lake	United States	Record daily precipitation	42.4 mm (1.7 in)	55 of 100 (Notable)
Cotton	United States	Record daily precipitation	96.5 mm (3.8 in)	54 of 100 (Notable)
Langdon Exp Farm	United States	Record daily precipitation	75.7 mm (3.0 in)	54 of 100 (Notable)
Columbia UNIV of Sc	United States	Record daily precipitation	80.8 mm (3.2 in)	54 of 100 (Notable)
Logan 1 WNW	United States	Record daily precipitation	56.4 mm (2.2 in)	53 of 100 (Notable)
Arnold	United States	Record daily precipitation	43.2 mm (1.7 in)	53 of 100 (Notable)
Ashland #2	United States	Record daily precipitation	52.8 mm (2.1 in)	49 of 100 (Notable)
Howells	United States	Record daily precipitation	42.2 mm (1.7 in)	49 of 100 (Notable)
Sac City	United States	Record daily precipitation	38.9 mm (1.5 in)	48 of 100 (Notable)
Amistad 5 SSW	United States	Record daily precipitation	42.7 mm (1.7 in)	48 of 100 (Notable)
Lake Metigoshe Sp	United States	Record daily precipitation	45.5 mm (1.8 in)	48 of 100 (Notable)
Zametchino	Russia	Record high maximum temperature	31.2 C (88.2 F)	46 of 100 (Notable)
Kamennaja-Step	Russia	Record high maximum temperature	30.4 C (86.7 F)	46 of 100 (Notable)
Poretskoye	Russia	Record high maximum temperature	27.9 C (82.2 F)	45 of 100 (Notable)
Bogoroditskoye-Fenino	Russia	Record high maximum temperature	29.8 C (85.6 F)	45 of 100 (Notable)
White Lake	United States	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Kon-Kolodez	Russia	Record high maximum temperature	30.4 C (86.7 F)	44 of 100 (Notable)
Paveletz	Russia	Record high maximum temperature	30.1 C (86.2 F)	43 of 100 (Notable)
Voronez	Russia	Record high maximum temperature	31.5 C (88.7 F)	43 of 100 (Notable)
Simferopol	Ukraine	Record high minimum temperature	18.2 C (64.8 F)	43 of 100 (Notable)
Washta	United States	Record daily precipitation	32.3 mm (1.3 in)	43 of 100 (Notable)
W Pt	United States	Record daily precipitation	40.4 mm (1.6 in)	43 of 100 (Notable)
Chamberlain 5 S	United States	Record daily precipitation	64.5 mm (2.5 in)	43 of 100 (Notable)
Kursk	Russia	Record high maximum temperature	28.8 C (83.8 F)	42 of 100 (Notable)
Oktjabrskij-Gorodok	Russia	Record high maximum temperature	30.6 C (87.1 F)	42 of 100 (Notable)
Castana Exp Farm	United States	Record daily precipitation	51.8 mm (2.0 in)	42 of 100 (Notable)
Denison	United States	Record daily precipitation	39.6 mm (1.6 in)	42 of 100 (Notable)
Oakdale	United States	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
Forestburg 4 NNE	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Mission 14 S	United States	Record daily precipitation	35.1 mm (1.4 in)	42 of 100 (Notable)
Elatma	Russia	Record high maximum temperature	30.4 C (86.7 F)	41 of 100 (Notable)
Mancos 1SW	United States	Record high maximum temperature	28.3 C (82.9 F)	41 of 100 (Notable)
Anselmo 2 WSW	United States	Record daily precipitation	74.9 mm (2.9 in)	41 of 100 (Notable)
Chambers	United States	Record daily precipitation	30.7 mm (1.2 in)	41 of 100 (Notable)
Salekhard	Russia	Record low minimum temperature	-5.8 C (21.6 F)	40 of 100 (Notable)
Kerch	Ukraine	Record high maximum temperature	31.6 C (88.9 F)	40 of 100 (Notable)
Cottonwood 2 E	United States	Record high minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Krasnaja_Gora	Russia	Record high maximum temperature	29.2 C (84.6 F)	39 of 100 (Notable)
Niznij Novgorod	Russia	Record high maximum temperature	25.1 C (77.2 F)	39 of 100 (Notable)
Valujki	Russia	Record high maximum temperature	31.0 C (87.8 F)	39 of 100 (Notable)
Walthill 1E	United States	Record daily precipitation	39.1 mm (1.5 in)	39 of 100 (Notable)
Cape Leeuwin	Australia	Record high minimum temperature	18.2 C (64.8 F)	38 of 100 (Notable)
Afyon	Turkey	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Shepetivka	Ukraine	Record high minimum temperature	16.4 C (61.5 F)	38 of 100 (Notable)
Kiev	Ukraine	Record high maximum temperature	30.0 C (86.0 F)	38 of 100 (Notable)
Henichesk	Ukraine	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Cape Leeuwin	Australia	Record high maximum temperature	25.4 C (77.7 F)	37 of 100 (Notable)
Goongerah	Australia	Record daily precipitation	34.4 mm (1.4 in)	37 of 100 (Notable)
Brjansk	Russia	Record high maximum temperature	27.8 C (82.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

770 records

Records set or tied on 24 September 2015 by type: Highest daily maximum 333, Lowest daily maximum 18, Highest daily minimum 257, Lowest daily minimum 43, Heaviest daily rainfall 118, Deepest snow cover 1.

Records on 24 September 2015 by type
Record type	Records
Highest daily maximum	333
Lowest daily maximum	18
Highest daily minimum	257
Lowest daily minimum	43
Heaviest daily rainfall	118
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 24 September 2015 by timescale: all-time 0, monthly 15, daily 755.

How Much Records Were Beaten By

666 broken records

Margins by which the 666 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.1. Ties are not counted.

Top 20 by Significance

24 September 2015

Top 20 records on 24 September 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 2015	Winner, US	daily rain	61.2 mm (2.4 in)	41.1 mm (1.6 in)	104 years	80 of 100 (Exceptional)
24 September 2015	Bottineau, US	daily rain	69.9 mm (2.8 in)	46.3 mm (1.8 in)	85 years	75 of 100 (Major)
24 September 2015	Atkinson 3SW, US	daily rain	62.7 mm (2.5 in)	46.2 mm (1.8 in)	73 years	72 of 100 (Major)
24 September 2015	David City 4E, US	daily rain	67.1 mm (2.6 in)	40.7 mm (1.6 in)	101 years	71 of 100 (Major)
24 September 2015	Newport, US	daily rain	59.7 mm (2.4 in)	36.8 mm (1.4 in)	80 years	66 of 100 (Major)
24 September 2015	Wessington Springs, US	monthly rain	118.1 mm (4.6 in)	49.5 mm (1.9 in)	22 years	66 of 100 (Major)
24 September 2015	Central City, US	daily rain	68.3 mm (2.7 in)	41.6 mm (1.6 in)	84 years	65 of 100 (Major)
24 September 2015	Belcourt Keya Radio, US	monthly rain	101.6 mm (4.0 in)	31.2 mm (1.2 in)	35 years	62 of 100 (Major)
24 September 2015	Mason City, US	daily rain	56.9 mm (2.2 in)	25.7 mm (1.0 in)	101 years	58 of 100 (Notable)
24 September 2015	Lyons, US	daily rain	49.0 mm (1.9 in)	25.9 mm (1.0 in)	113 years	58 of 100 (Notable)
24 September 2015	Upham 3 N, US	daily rain	62.0 mm (2.4 in)	35.1 mm (1.4 in)	37 years	58 of 100 (Notable)
24 September 2015	Storm Lake, US	daily rain	42.4 mm (1.7 in)	21.8 mm (0.9 in)	101 years	55 of 100 (Notable)
24 September 2015	Cotton, US	daily rain	96.5 mm (3.8 in)	71.1 mm (2.8 in)	30 years	54 of 100 (Notable)
24 September 2015	Langdon Exp Farm, US	monthly rain	75.7 mm (3.0 in)	11.4 mm (0.4 in)	74 years	54 of 100 (Notable)
24 September 2015	Columbia UNIV of Sc, US	daily rain	80.8 mm (3.2 in)	47.3 mm (1.9 in)	68 years	54 of 100 (Notable)
24 September 2015	Logan 1 WNW, US	daily rain	56.4 mm (2.2 in)	19.1 mm (0.8 in)	101 years	53 of 100 (Notable)
24 September 2015	Arnold, US	daily rain	43.2 mm (1.7 in)	26.9 mm (1.1 in)	60 years	53 of 100 (Notable)
24 September 2015	Ashland #2, US	daily rain	52.8 mm (2.1 in)	12.9 mm (0.5 in)	101 years	49 of 100 (Notable)
24 September 2015	Howells, US	daily rain	42.2 mm (1.7 in)	26.7 mm (1.1 in)	66 years	49 of 100 (Notable)
24 September 2015	Sac City, US	daily rain	38.9 mm (1.5 in)	12.2 mm (0.5 in)	101 years	48 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 2015

Records set or tied on this calendar date in each year from 1803 to 2015. 2015 had 770 records.

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

Records on 09-24 in each year
Year	Records
1803	1
1835	1
1836	1
1842	1
1847	1
1852	2
1854	2
1857	2
1858	1
1859	1
1860	1
1863	1
1864	1
1865	1
1866	1
1867	2
1868	1
1870	3
1871	1
1872	1
1873	1
1874	2
1875	2
1876	1
1877	3
1878	2
1881	5
1884	1
1885	2
1887	1
1889	5
1890	1
1891	2
1892	5
1893	1
1894	2
1895	7
1896	2
1898	1
1899	4
1900	5
1901	3
1902	10
1903	8
1904	9
1905	7
1906	5
1907	20
1908	23
1909	31
1910	8
1911	11
1912	49
1913	9
1914	23
1915	159
1916	253
1917	87
1918	7
1919	26
1920	69
1921	23
1922	49
1923	70
1924	175
1925	146
1926	630
1927	194
1928	603
1929	137
1930	488
1931	463
1932	354
1933	424
1934	367
1935	449
1936	329
1937	237
1938	355
1939	331
1940	319
1941	319
1942	918
1943	413
1944	334
1945	475
1946	425
1947	704
1948	422
1949	554
1950	778
1951	580
1952	425
1953	346
1954	269
1955	577
1956	427
1957	370
1958	725
1959	414
1960	487
1961	680
1962	360
1963	715
1964	329
1965	624
1966	410
1967	394
1968	433
1969	278
1970	1,046
1971	485
1972	480
1973	1,208
1974	1,204
1975	1,116
1976	556
1977	814
1978	619
1979	577
1980	633
1981	604
1982	702
1983	1,128
1984	1,565
1985	771
1986	1,207
1987	729
1988	740
1989	1,668
1990	969
1991	519
1992	1,250
1993	1,055
1994	842
1995	1,251
1996	676
1997	1,238
1998	945
1999	933
2000	1,966
2001	1,097
2002	885
2003	863
2004	600
2005	1,256
2006	1,306
2007	1,244
2008	633
2009	866
2010	1,340
2011	770
2012	545
2013	514
2014	764
2015	770
2016	732
2017	1,402
2018	497
2019	516
2020	754
2021	457
2022	395
2023	689
2024	778
2025	576
2026	389

Download the Data

Data for records on 2015-09-24: 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 10	606
10 to 20	22
20 to 30	16
30 to 40	12
40 to 50	9
50 to 60	0
60 to 70	0
70 to 80	1