Weather Records on 18 September 1985

636 weather records were set or tied worldwide on 18 September 1985. Highest significance: Paisley, GB.

Key Facts for 18 September 1985

On 18 September 1985, 636 weather records were set or tied at long-record stations worldwide.
199 were record highs and 196 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 17 monthly and 618 daily.
Paisley set a monthly record daily precipitation of 74.3 mm (2.9 in) on 18 September 1985.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 420 records.

Record Map

636 stations

636 station records on 18 September 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Paisley	United Kingdom	Record daily precipitation	74.3 mm (2.9 in)	58 of 100 (Notable)
Stuart	United States	Record daily precipitation	140.0 mm (5.5 in)	52 of 100 (Notable)
Viljujsk	Russia	Record daily precipitation	33.4 mm (1.3 in)	50 of 100 (Notable)
Canelo 1 NW	United States	Record daily precipitation	33.3 mm (1.3 in)	49 of 100 (Notable)
E Glacier	United States	Record daily precipitation	50.0 mm (2.0 in)	49 of 100 (Notable)
Aleppo	Australia	Record daily precipitation	26.0 mm (1.0 in)	48 of 100 (Notable)
Pardelup	Australia	Record daily precipitation	36.0 mm (1.4 in)	47 of 100 (Notable)
Njurba	Russia	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Heber (Black Mesa) Rs	United States	Record daily precipitation	41.9 mm (1.6 in)	44 of 100 (Notable)
Milford	United States	Record daily precipitation	35.3 mm (1.4 in)	43 of 100 (Notable)
Mecca Fire STN	United States	Record low minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Browning	United States	Record daily precipitation	43.2 mm (1.7 in)	40 of 100 (Notable)
Vanersborg	Sweden	Record low minimum temperature	1.1 C (34.0 F)	39 of 100 (Notable)
Eskdalemuir	United Kingdom	Record daily precipitation	61.1 mm (2.4 in)	39 of 100 (Notable)
Tumacacori Nm	United States	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Ft Lauderdale	United States	Record daily precipitation	99.1 mm (3.9 in)	37 of 100 (Notable)
Forsyth 6 NNW	United States	Record low minimum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Brookhaven City	United States	Record low minimum temperature	7.2 C (45.0 F)	37 of 100 (Notable)
Gibson Dam	United States	Record daily precipitation	31.5 mm (1.2 in)	37 of 100 (Notable)
Kuttabul Post Office	Australia	Record daily precipitation	45.1 mm (1.8 in)	36 of 100 (Notable)
Corning	United States	Record high maximum temperature	36.1 C (97.0 F)	36 of 100 (Notable)
Everglades	United States	Record low minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Biskra	Algeria	Record low maximum temperature	26.6 C (79.9 F)	35 of 100 (Notable)
Bengbu	China	Record daily precipitation	74.6 mm (2.9 in)	35 of 100 (Notable)
Moyoguarda	Mexico	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Nogales 6 N	United States	Record daily precipitation	28.7 mm (1.1 in)	35 of 100 (Notable)
Redlands	United States	Record low maximum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Greenwood	United States	Record low minimum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Ft Myers Page Fld AP	United States	Record daily precipitation	101.1 mm (4.0 in)	35 of 100 (Notable)
Miami Beach	United States	Record low minimum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record high minimum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Loxahatchee	United States	Record low maximum temperature	25.6 C (78.1 F)	34 of 100 (Routine)
New Hampton	United States	Record high minimum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Telchaquillo	Mexico	Record low minimum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Eloy 4 NE	United States	Record daily precipitation	44.7 mm (1.8 in)	33 of 100 (Routine)
Pustunich	Mexico	Record high minimum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Hutchinson 1 N	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Attu	United States	Record low minimum temperature	-1.7 C (28.9 F)	32 of 100 (Routine)
Talkeetna AP	United States	Record low maximum temperature	3.9 C (39.0 F)	32 of 100 (Routine)
Blue	United States	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Anqing	China	Record daily precipitation	53.5 mm (2.1 in)	30 of 100 (Routine)
Castle Hot Springs	United States	Record low minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Ft Lauderdale	United States	Record low minimum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Vinton	United States	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Rockingham Post Office	Australia	Record daily precipitation	28.8 mm (1.1 in)	29 of 100 (Routine)
Ft Pierce	United States	Record low maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Blackleaf	United States	Record daily precipitation	29.7 mm (1.2 in)	29 of 100 (Routine)
Laurier	United States	Record low maximum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Chugwater	United States	Record high minimum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Miami Beach	United States	Record low maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Douglas (Bisbee) Intl AP	United States	Record daily precipitation	38.6 mm (1.5 in)	29 of 100 (Routine)
Lagos de Moreno (Dge)	Mexico	Record daily precipitation	41.4 mm (1.6 in)	28 of 100 (Routine)
Partizansk	Russia	Record daily precipitation	47.1 mm (1.9 in)	28 of 100 (Routine)
Ajo	United States	Record low minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Parker Rsvr	United States	Record low maximum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Kulin	Australia	Record daily precipitation	32.3 mm (1.3 in)	27 of 100 (Routine)
Kremsmuenster	Austria	Record high minimum temperature	16.3 C (61.3 F)	27 of 100 (Routine)
Sahuaripa	Mexico	Record low maximum temperature	30.0 C (86.0 F)	27 of 100 (Routine)
Oracle 2 SE	United States	Record low maximum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Mandurah Park	Australia	Record daily precipitation	39.8 mm (1.6 in)	26 of 100 (Routine)

Counts by Type and Timescale

636 records

Records set or tied on 18 September 1985 by type: Highest daily maximum 55, Lowest daily maximum 104, Highest daily minimum 144, Lowest daily minimum 92, Heaviest daily rainfall 237, Heaviest daily snowfall 2, Deepest snow cover 2.

Records on 18 September 1985 by type
Record type	Records
Highest daily maximum	55
Lowest daily maximum	104
Highest daily minimum	144
Lowest daily minimum	92
Heaviest daily rainfall	237
Heaviest daily snowfall	2
Deepest snow cover	2

Records on 18 September 1985 by timescale: all-time 1, monthly 17, daily 618.

How Much Records Were Beaten By

507 broken records

Margins by which the 507 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

18 September 1985

Top 20 records on 18 September 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1985	Paisley, GB	monthly rain	74.3 mm (2.9 in)	29.0 mm (1.1 in)	3 years	58 of 100 (Notable)
18 September 1985	Stuart, US	daily rain	140.0 mm (5.5 in)	84.4 mm (3.3 in)	24 years	52 of 100 (Notable)
18 September 1985	Viljujsk, RU	monthly rain	33.4 mm (1.3 in)	7.9 mm (0.31 in)	28 years	50 of 100 (Notable)
18 September 1985	Canelo 1 NW, US	daily rain	33.3 mm (1.3 in)	19.8 mm (0.8 in)	75 years	49 of 100 (Notable)
18 September 1985	E Glacier, US	monthly rain	50.0 mm (2.0 in)	20.0 mm (0.8 in)	7 years	49 of 100 (Notable)
18 September 1985	Aleppo, AU	daily rain	26.0 mm (1.0 in)	15.8 mm (0.6 in)	14 years	48 of 100 (Notable)
18 September 1985	Pardelup, AU	daily rain	36.0 mm (1.4 in)	16.9 mm (0.7 in)	34 years	47 of 100 (Notable)
18 September 1985	Njurba, RU	daily rain	33.0 mm (1.3 in)	19.4 mm (0.8 in)	2 years	45 of 100 (Notable)
18 September 1985	Heber (Black Mesa) Rs, US	daily rain	41.9 mm (1.6 in)	26.7 mm (1.1 in)	34 years	44 of 100 (Notable)
18 September 1985	Milford, US	daily rain	35.3 mm (1.4 in)	20.3 mm (0.8 in)	22 years	43 of 100 (Notable)
18 September 1985	Mecca Fire STN, US	daily low min	9.4 C (48.9 F)	3.9 C (7.0 F)	78 years	41 of 100 (Notable)
18 September 1985	Browning, US	daily rain	43.2 mm (1.7 in)	16.8 mm (0.7 in)	38 years	40 of 100 (Notable)
18 September 1985	Vanersborg, SE	daily low min	1.1 C (34.0 F)	0.9 C (1.6 F)	91 years	39 of 100 (Notable)
18 September 1985	Eskdalemuir, GB	daily rain	61.1 mm (2.4 in)	17.2 mm (0.7 in)	50 years	39 of 100 (Notable)
18 September 1985	Tumacacori Nm, US	daily rain	35.6 mm (1.4 in)	24.2 mm (1.0 in)	12 years	38 of 100 (Notable)
18 September 1985	Ft Lauderdale, US	daily rain	99.1 mm (3.9 in)	45.8 mm (1.8 in)	18 years	37 of 100 (Notable)
18 September 1985	Forsyth 6 NNW, US	daily low min	6.7 C (44.1 F)	1.6 C (2.9 F)	82 years	37 of 100 (Notable)
18 September 1985	Brookhaven City, US	daily low min	7.2 C (45.0 F)	1.7 C (3.1 F)	82 years	37 of 100 (Notable)
18 September 1985	Gibson Dam, US	daily rain	31.5 mm (1.2 in)	13.7 mm (0.5 in)	38 years	37 of 100 (Notable)
18 September 1985	Kuttabul Post Office, AU	daily rain	45.1 mm (1.8 in)	33.2 mm (1.3 in)	16 years	36 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 1985

Records set or tied on this calendar date in each year from 1803 to 1985. 1985 had 636 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 1985-09-18: 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	485
20 to 40	18
40 to 60	2
60 to 80	0
80 to 100	1
100 to 120	0
120 to 140	0
140 to 160	1