Weather Records on 6 September 1986

751 weather records were set or tied worldwide on 6 September 1986. Highest significance: Sondrestrom, GL.

Key Facts for 6 September 1986

On 6 September 1986, 751 weather records were set or tied at long-record stations worldwide.
155 were record highs and 394 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 15 monthly and 732 daily.
Sondrestrom set an all-time record daily precipitation of 46.0 mm (1.8 in) on 6 September 1986.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 449 records.

Record Map

751 stations

751 station records on 6 September 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 September 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sondrestrom	Greenland [Denmark]	Record daily precipitation	46.0 mm (1.8 in)	72 of 100 (Major)
Blanco	United States	Record daily precipitation	171.5 mm (6.8 in)	68 of 100 (Major)
Fredericksburg	United States	Record daily precipitation	149.1 mm (5.9 in)	61 of 100 (Major)
Rtiscevo	Russia	Record daily precipitation	27.4 mm (1.1 in)	58 of 100 (Notable)
Encarnacion de Diaz	Mexico	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Kearney 4 NE	United States	Record daily precipitation	69.3 mm (2.7 in)	57 of 100 (Notable)
Calvillo (Smn)	Mexico	Record daily precipitation	99.8 mm (3.9 in)	53 of 100 (Notable)
Juarez	Mexico	Record daily precipitation	142.7 mm (5.6 in)	52 of 100 (Notable)
Bogucar	Russia	Record daily precipitation	38.4 mm (1.5 in)	50 of 100 (Notable)
Bertrand	United States	Record daily precipitation	44.5 mm (1.8 in)	50 of 100 (Notable)
Temple	United States	Record daily precipitation	87.1 mm (3.4 in)	50 of 100 (Notable)
Longford (Denton Close)	Australia	Record daily precipitation	26.8 mm (1.1 in)	47 of 100 (Notable)
Anna	Russia	Record daily precipitation	51.1 mm (2.0 in)	47 of 100 (Notable)
Belton Dam	United States	Record daily precipitation	81.3 mm (3.2 in)	47 of 100 (Notable)
Lucinda Township	Australia	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Kystovka	Russia	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Ragan	United States	Record daily precipitation	66.0 mm (2.6 in)	45 of 100 (Notable)
Mc Minnville	United States	Record high minimum temperature	19.4 C (66.9 F)	44 of 100 (Notable)
Velykyi Burluk	Ukraine	Record daily precipitation	25.3 mm (1.0 in)	43 of 100 (Notable)
Rainbow	United States	Record daily precipitation	73.7 mm (2.9 in)	43 of 100 (Notable)
Port Campbell Post Office	Australia	Record daily precipitation	25.8 mm (1.0 in)	42 of 100 (Notable)
Castle Rock	United States	Record low maximum temperature	9.4 C (48.9 F)	42 of 100 (Notable)
Ardmore 1 NW	United States	Record low maximum temperature	9.4 C (48.9 F)	42 of 100 (Notable)
Manistique Wwtp	United States	Record low maximum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Gumri	Armenia	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
Agua Tibia	Mexico	Record daily precipitation	97.0 mm (3.8 in)	40 of 100 (Notable)
Teberda	Russia	Record daily precipitation	40.4 mm (1.6 in)	40 of 100 (Notable)
Beloit	United States	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Loup City 6 NNE	United States	Record daily precipitation	46.5 mm (1.8 in)	39 of 100 (Notable)
Saint Paul	United States	Record low maximum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Seattle Urban Site	United States	Record high maximum temperature	32.2 C (90.0 F)	39 of 100 (Notable)
Sonnblick	Austria	Record high maximum temperature	8.4 C (47.1 F)	38 of 100 (Notable)
Penjamo	Mexico	Record high minimum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Teocaltiche (Dge)	Mexico	Record daily precipitation	37.8 mm (1.5 in)	37 of 100 (Notable)
Gaylord	United States	Record low maximum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Water Valley	United States	Record daily precipitation	41.4 mm (1.6 in)	37 of 100 (Notable)
Regensburg	Germany	Record low minimum temperature	3.4 C (38.1 F)	36 of 100 (Notable)
McGregor	United States	Record daily precipitation	78.0 mm (3.1 in)	36 of 100 (Notable)
Coupeville 1 S	United States	Record high maximum temperature	30.0 C (86.0 F)	36 of 100 (Notable)
Sitka Magnetic Obsy	United States	Record high maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Lufkin Angelina Co AP	United States	Record daily precipitation	41.7 mm (1.6 in)	36 of 100 (Notable)
Markovo	Russia	Record low maximum temperature	3.6 C (38.5 F)	35 of 100 (Notable)
Kirensk	Russia	Record high minimum temperature	12.3 C (54.1 F)	35 of 100 (Notable)
Oskaloosa	United States	Record low maximum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Glendive	United States	Record low maximum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Arcadia	United States	Record daily precipitation	35.1 mm (1.4 in)	35 of 100 (Notable)
Towner 2 NE	United States	Record low maximum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Estacada 2 SE	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Nix Store 1 W	United States	Record daily precipitation	81.3 mm (3.2 in)	35 of 100 (Notable)
Troy	United States	Record daily precipitation	49.8 mm (2.0 in)	35 of 100 (Notable)
Clearbrook	United States	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Launceston (Distillery Creek)	Australia	Record daily precipitation	30.6 mm (1.2 in)	34 of 100 (Routine)
Newberry-Luce Co Rd Commission	United States	Record low maximum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Weeping Water	United States	Record low maximum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Klamath Falls 2 SSW	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Jewett	United States	Record daily precipitation	57.2 mm (2.3 in)	34 of 100 (Routine)
Traverse Cy Cherry Capital AP	United States	Record low maximum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Atlantic 1 NE	United States	Record low maximum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Lamoni	United States	Record low maximum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Bridger 2 N	United States	Record low maximum temperature	10.6 C (51.1 F)	33 of 100 (Routine)

Counts by Type and Timescale

751 records

Records set or tied on 6 September 1986 by type: Highest daily maximum 86, Lowest daily maximum 203, Highest daily minimum 69, Lowest daily minimum 191, Heaviest daily rainfall 202.

Records on 6 September 1986 by type
Record type	Records
Highest daily maximum	86
Lowest daily maximum	203
Highest daily minimum	69
Lowest daily minimum	191
Heaviest daily rainfall	202
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 September 1986 by timescale: all-time 4, monthly 15, daily 732.

How Much Records Were Beaten By

581 broken records

Margins by which the 581 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 108.5. Ties are not counted.

Top 20 by Significance

6 September 1986

Top 20 records on 6 September 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 September 1986	Sondrestrom, GL	all-time rain	46.0 mm (1.8 in)	12.7 mm (0.5 in)	29 years	72 of 100 (Major)
6 September 1986	Blanco, US	daily rain	171.5 mm (6.8 in)	108.5 mm (4.3 in)	68 years	68 of 100 (Major)
6 September 1986	Fredericksburg, US	daily rain	149.1 mm (5.9 in)	106.7 mm (4.2 in)	41 years	61 of 100 (Major)
6 September 1986	Rtiscevo, RU	daily rain	27.4 mm (1.1 in)	18.7 mm (0.7 in)	44 years	58 of 100 (Notable)
6 September 1986	Encarnacion de Diaz, MX	daily rain	66.0 mm (2.6 in)	43.1 mm (1.7 in)	44 years	57 of 100 (Notable)
6 September 1986	Kearney 4 NE, US	daily rain	69.3 mm (2.7 in)	43.6 mm (1.7 in)	40 years	57 of 100 (Notable)
6 September 1986	Calvillo (Smn), MX	all-time rain	99.8 mm (3.9 in)	25.1 mm (1.0 in)	12 years	53 of 100 (Notable)
6 September 1986	Juarez, MX	daily rain	142.7 mm (5.6 in)	87.8 mm (3.5 in)	28 years	52 of 100 (Notable)
6 September 1986	Bogucar, RU	daily rain	38.4 mm (1.5 in)	22.4 mm (0.9 in)	36 years	50 of 100 (Notable)
6 September 1986	Bertrand, US	daily rain	44.5 mm (1.8 in)	24.2 mm (1.0 in)	76 years	50 of 100 (Notable)
6 September 1986	Temple, US	daily rain	87.1 mm (3.4 in)	54.1 mm (2.1 in)	56 years	50 of 100 (Notable)
6 September 1986	Longford (Denton Close), AU	daily rain	26.8 mm (1.1 in)	10.5 mm (0.4 in)	68 years	47 of 100 (Notable)
6 September 1986	Anna, RU	daily rain	51.1 mm (2.0 in)	31.3 mm (1.2 in)	7 years	47 of 100 (Notable)
6 September 1986	Belton Dam, US	daily rain	81.3 mm (3.2 in)	70.4 mm (2.8 in)	24 years	47 of 100 (Notable)
6 September 1986	Lucinda Township, AU	daily rain	35.6 mm (1.4 in)	22.1 mm (0.9 in)	64 years	45 of 100 (Notable)
6 September 1986	Kystovka, RU	daily rain	35.6 mm (1.4 in)	20.4 mm (0.8 in)	3 years	45 of 100 (Notable)
6 September 1986	Ragan, US	daily rain	66.0 mm (2.6 in)	42.1 mm (1.7 in)	28 years	45 of 100 (Notable)
6 September 1986	Mc Minnville, US	daily high min	19.4 C (66.9 F)	3.3 C (5.9 F)	87 years	44 of 100 (Notable)
6 September 1986	Velykyi Burluk, UA	daily rain	25.3 mm (1.0 in)	21.5 mm (0.8 in)	29 years	43 of 100 (Notable)
6 September 1986	Rainbow, US	daily rain	73.7 mm (2.9 in)	51.3 mm (2.0 in)	51 years	43 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

1794 to 1986

Records set or tied on this calendar date in each year from 1794 to 1986. 1986 had 751 records.

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

Records on 09-06 in each year
Year	Records
1794	1
1802	1
1803	1
1812	1
1814	2
1833	1
1834	1
1841	1
1853	1
1854	1
1861	1
1865	2
1866	2
1867	1
1868	1
1869	2
1871	2
1872	2
1873	2
1876	1
1877	1
1880	1
1881	3
1883	2
1884	1
1885	1
1887	2
1888	1
1890	3
1891	1
1892	4
1893	2
1894	4
1895	4
1896	2
1897	4
1898	5
1899	5
1900	5
1901	2
1902	5
1903	5
1904	6
1905	14
1906	8
1907	14
1908	36
1909	13
1910	28
1911	20
1912	55
1913	21
1914	23
1915	14
1916	16
1917	23
1918	62
1919	106
1920	172
1921	67
1922	114
1923	153
1924	335
1925	290
1926	123
1927	137
1928	252
1929	359
1930	101
1931	324
1932	275
1933	368
1934	462
1935	341
1936	338
1937	237
1938	322
1939	447
1940	170
1941	276
1942	284
1943	831
1944	392
1945	537
1946	426
1947	895
1948	379
1949	525
1950	699
1951	263
1952	350
1953	396
1954	567
1955	493
1956	735
1957	311
1958	489
1959	405
1960	382
1961	317
1962	772
1963	419
1964	393
1965	722
1966	296
1967	878
1968	512
1969	737
1970	910
1971	436
1972	567
1973	866
1974	897
1975	426
1976	915
1977	467
1978	1,273
1979	892
1980	458
1981	542
1982	744
1983	1,965
1984	1,354
1985	1,371
1986	751
1987	735
1988	1,547
1989	544
1990	805
1991	757
1992	1,084
1993	856
1994	622
1995	1,220
1996	934
1997	1,389
1998	1,385
1999	1,048
2000	1,500
2001	631
2002	867
2003	718
2004	956
2005	601
2006	1,104
2007	1,246
2008	1,430
2009	735
2010	1,259
2011	1,684
2012	803
2013	886
2014	588
2015	692
2016	605
2017	838
2018	714
2019	797
2020	1,349
2021	407
2022	1,782
2023	905
2024	1,161
2025	894
2026	846

Download the Data

Data for records on 1986-09-06: 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	541
20 to 40	28
40 to 60	7
60 to 80	2
80 to 100	1
100 to 120	2