Weather Records on 15 September 1985

764 weather records were set or tied worldwide on 15 September 1985. Highest significance: Dulce, US.

Key Facts for 15 September 1985

On 15 September 1985, 764 weather records were set or tied at long-record stations worldwide.
142 were record highs and 491 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 752 daily.
Dulce set a daily record precipitation of 26.4 mm (1.0 in) on 15 September 1985.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 411 records.

Record Map

764 stations

764 station records on 15 September 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dulce	United States	Record daily precipitation	26.4 mm (1.0 in)	55 of 100 (Notable)
East London -Signal STN	South Africa	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)
Barbers Point NAS	United States	Record daily precipitation	27.2 mm (1.1 in)	51 of 100 (Notable)
Pafuri	South Africa	Record daily precipitation	38.0 mm (1.5 in)	50 of 100 (Notable)
Aracaju	Brazil	Record daily precipitation	55.1 mm (2.2 in)	48 of 100 (Notable)
Wise Rvr 3 WNW	United States	Record daily precipitation	33.3 mm (1.3 in)	47 of 100 (Notable)
Fazenda Belem	Brazil	Record daily precipitation	78.0 mm (3.1 in)	46 of 100 (Notable)
Ozona	United States	Record daily precipitation	82.6 mm (3.3 in)	46 of 100 (Notable)
Anyang	China	Record daily precipitation	51.6 mm (2.0 in)	42 of 100 (Notable)
Greensboro	United States	Record low minimum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Mitchell 2 NW	United States	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Cotonou	Benin	Record daily precipitation	59.9 mm (2.4 in)	41 of 100 (Notable)
Bay Minette	United States	Record low minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Lihue WSO AP 1020.1	United States	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Winnsboro	United States	Record low minimum temperature	7.8 C (46.0 F)	40 of 100 (Notable)
Petropavlovskij Majak	Russia	Record low maximum temperature	6.0 C (42.8 F)	39 of 100 (Notable)
Petropavlovsk-Kamchatskij	Russia	Record low maximum temperature	6.2 C (43.2 F)	39 of 100 (Notable)
Waynesville 1 E	United States	Record low minimum temperature	0.0 C (32.0 F)	39 of 100 (Notable)
Derry 4 SW	United States	Record low minimum temperature	-2.8 C (27.0 F)	39 of 100 (Notable)
Bulken	Norway	Record daily precipitation	45.2 mm (1.8 in)	38 of 100 (Notable)
Anadyr	Russia	Record low minimum temperature	-6.9 C (19.6 F)	38 of 100 (Notable)
Highland Home	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Rome	United States	Record low minimum temperature	5.6 C (42.1 F)	38 of 100 (Notable)
Tiskilwa 2 SE	United States	Record low minimum temperature	1.7 C (35.1 F)	38 of 100 (Notable)
Chapel Hill 2 W	United States	Record low minimum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Lexington	United States	Record low minimum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record low minimum temperature	0.0 C (32.0 F)	38 of 100 (Notable)
Newport 1 NW	United States	Record low minimum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Staunton Wtp	United States	Record low minimum temperature	0.0 C (32.0 F)	38 of 100 (Notable)
Clanton	United States	Record low minimum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Union Springs 9 S	United States	Record low minimum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Newnan 7 WNW	United States	Record low minimum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
Brookhaven City	United States	Record low minimum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
Greenwood	United States	Record low minimum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
Monticello 2E	United States	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
Paauhau 217	United States	Record daily precipitation	37.6 mm (1.5 in)	37 of 100 (Notable)
Coalcoman (Smn)	Mexico	Record low minimum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Vajda-Guba	Russia	Record high minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Valley Head	United States	Record low minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Experiment	United States	Record low minimum temperature	8.3 C (46.9 F)	36 of 100 (Notable)
Charlotteburg Rsvr	United States	Record low minimum temperature	-1.7 C (28.9 F)	36 of 100 (Notable)
Roxboro 7 ESE	United States	Record low minimum temperature	3.9 C (39.0 F)	36 of 100 (Notable)
Woodstock 2 NE	United States	Record low minimum temperature	1.1 C (34.0 F)	36 of 100 (Notable)
West Bend	United States	Record low minimum temperature	1.1 C (34.0 F)	36 of 100 (Notable)
Korana "Xorana"	South Africa	Record daily precipitation	55.0 mm (2.2 in)	35 of 100 (Notable)
Evergreen	United States	Record low minimum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Bridgeville 1 NW	United States	Record low minimum temperature	4.4 C (39.9 F)	35 of 100 (Notable)
Morganton	United States	Record low minimum temperature	2.2 C (36.0 F)	35 of 100 (Notable)
Newberry	United States	Record low minimum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Attu	United States	Record low minimum temperature	-0.6 C (30.9 F)	35 of 100 (Notable)
Jumatan (Cfe)	Mexico	Record high maximum temperature	38.9 C (102.0 F)	34 of 100 (Routine)
Riverview	South Africa	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Susanville 2SW	United States	Record low minimum temperature	-1.7 C (28.9 F)	34 of 100 (Routine)
Hialeah	United States	Record low minimum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Cheraw	United States	Record low minimum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Greeneville Exp STN	United States	Record low minimum temperature	3.9 C (39.0 F)	34 of 100 (Routine)
Palmaryville	South Africa	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Brevard	United States	Record low minimum temperature	1.7 C (35.1 F)	33 of 100 (Routine)
Tonala (Smn)	Mexico	Record high minimum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Warren 2 ENE	United States	Record low maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

764 records

Records set or tied on 15 September 1985 by type: Highest daily maximum 44, Lowest daily maximum 128, Highest daily minimum 98, Lowest daily minimum 363, Heaviest daily rainfall 130, Heaviest daily snowfall 1.

Records on 15 September 1985 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	128
Highest daily minimum	98
Lowest daily minimum	363
Heaviest daily rainfall	130
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 15 September 1985 by timescale: all-time 0, monthly 12, daily 752.

How Much Records Were Beaten By

589 broken records

Margins by which the 589 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.2. Ties are not counted.

Top 20 by Significance

15 September 1985

Top 20 records on 15 September 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1985	Dulce, US	daily rain	26.4 mm (1.0 in)	19.5 mm (0.8 in)	62 years	55 of 100 (Notable)
15 September 1985	East London -Signal STN, ZA	daily rain	45.0 mm (1.8 in)	19.9 mm (0.8 in)	92 years	53 of 100 (Notable)
15 September 1985	Barbers Point NAS, US	daily rain	27.2 mm (1.1 in)	26.7 mm (1.1 in)	28 years	51 of 100 (Notable)
15 September 1985	Pafuri, ZA	daily rain	38.0 mm (1.5 in)	38.0 mm (1.5 in)	60 years	50 of 100 (Notable)
15 September 1985	Aracaju, BR	daily rain	55.1 mm (2.2 in)	42.1 mm (1.7 in)	4 years	48 of 100 (Notable)
15 September 1985	Wise Rvr 3 WNW, US	daily rain	33.3 mm (1.3 in)	21.4 mm (0.8 in)	26 years	47 of 100 (Notable)
15 September 1985	Fazenda Belem, BR	daily rain	78.0 mm (3.1 in)	56.0 mm (2.2 in)	12 years	46 of 100 (Notable)
15 September 1985	Ozona, US	daily rain	82.6 mm (3.3 in)	70.2 mm (2.8 in)	18 years	46 of 100 (Notable)
15 September 1985	Anyang, CN	daily rain	51.6 mm (2.0 in)	37.6 mm (1.5 in)	23 years	42 of 100 (Notable)
15 September 1985	Greensboro, US	daily low min	10.0 C (50.0 F)	2.2 C (4.0 F)	92 years	42 of 100 (Notable)
15 September 1985	Mitchell 2 NW, US	daily rain	25.4 mm (1.0 in)	16.5 mm (0.6 in)	8 years	42 of 100 (Notable)
15 September 1985	Cotonou, BJ	daily rain	59.9 mm (2.4 in)	36.3 mm (1.4 in)	30 years	41 of 100 (Notable)
15 September 1985	Bay Minette, US	daily low min	10.6 C (51.1 F)	4.4 C (7.9 F)	67 years	41 of 100 (Notable)
15 September 1985	Lihue WSO AP 1020.1, US	daily rain	45.2 mm (1.8 in)	30.0 mm (1.2 in)	28 years	41 of 100 (Notable)
15 September 1985	Winnsboro, US	daily low min	7.8 C (46.0 F)	2.8 C (5.0 F)	83 years	40 of 100 (Notable)
15 September 1985	Petropavlovskij Majak, RU	monthly low max	6.0 C (42.8 F)	0.3 C (0.5 F)	66 years	39 of 100 (Notable)
15 September 1985	Petropavlovsk-Kamchatskij, RU	monthly low max	6.2 C (43.2 F)	0.1 C (0.2 F)	66 years	39 of 100 (Notable)
15 September 1985	Waynesville 1 E, US	daily low min	0.0 C (32.0 F)	3.9 C (7.0 F)	71 years	39 of 100 (Notable)
15 September 1985	Derry 4 SW, US	daily low min	-2.8 C (27.0 F)	3.4 C (6.1 F)	83 years	39 of 100 (Notable)
15 September 1985	Bulken, NO	daily rain	45.2 mm (1.8 in)	5.4 mm (0.21 in)	80 years	38 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 1985

Records set or tied on this calendar date in each year from 1797 to 1985. 1985 had 764 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 1985-09-15: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	550
10 to 20	23
20 to 30	3
30 to 40	9
40 to 50	1
50 to 60	2
60 to 70	0
70 to 80	1