Weather Records on 27 September 1983

791 weather records were set or tied worldwide on 27 September 1983. Highest significance: Yellowknife Hydro, CA.

Key Facts for 27 September 1983

On 27 September 1983, 791 weather records were set or tied at long-record stations worldwide.
446 were record highs and 154 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 36 monthly and 755 daily.
Yellowknife Hydro set a monthly record daily snowfall of 17.0 cm (6.7 in) on 27 September 1983.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 449 records.

Record Map

791 stations

791 station records on 27 September 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yellowknife Hydro	Canada	Record daily snowfall	17.0 cm (6.7 in)	62 of 100 (Major)
Banff	Canada	Record daily snowfall	18.4 cm (7.2 in)	59 of 100 (Notable)
Paulista	Brazil	Record daily precipitation	94.3 mm (3.7 in)	55 of 100 (Notable)
Lethebrook	Australia	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)
Hiroshima	Japan	Record daily precipitation	96.0 mm (3.8 in)	51 of 100 (Notable)
Kure Reg Met HQ	Japan	Record daily precipitation	105.0 mm (4.1 in)	51 of 100 (Notable)
Eagle	United States	Record low minimum temperature	-21.7 C (-7.1 F)	50 of 100 (Notable)
Izuhara	Japan	Record daily precipitation	178.5 mm (7.0 in)	49 of 100 (Notable)
Ogden Sugar Factory	United States	Record daily precipitation	39.9 mm (1.6 in)	49 of 100 (Notable)
Macabuzinho	Brazil	Record daily precipitation	93.2 mm (3.7 in)	47 of 100 (Notable)
Palermo	Italy	Record daily precipitation	41.7 mm (1.6 in)	47 of 100 (Notable)
Hirado	Japan	Record daily precipitation	152.0 mm (6.0 in)	47 of 100 (Notable)
Ulu-Teljak	Russia	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Fundao	Brazil	Record daily precipitation	83.0 mm (3.3 in)	44 of 100 (Notable)
Sta. Cruz de Tenerife	Spain	Record high minimum temperature	26.4 C (79.5 F)	44 of 100 (Notable)
Carcross	Canada	Record low minimum temperature	-18.0 C (-0.4 F)	43 of 100 (Notable)
Uwajima	Japan	Record daily precipitation	153.5 mm (6.0 in)	43 of 100 (Notable)
Monida	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Metapa de Dominguez	Mexico	Record low minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
La Estanzuela (Eele)	Uruguay	Record daily precipitation	88.0 mm (3.5 in)	42 of 100 (Notable)
Evelyn State Forest	Australia	Record daily precipitation	57.0 mm (2.2 in)	41 of 100 (Notable)
Sakai	Japan	Record daily precipitation	111.5 mm (4.4 in)	41 of 100 (Notable)
Matsuyama	Japan	Record daily precipitation	83.5 mm (3.3 in)	41 of 100 (Notable)
Vendinga	Russia	Record daily precipitation	25.6 mm (1.0 in)	41 of 100 (Notable)
Pocatello Rgnl AP	United States	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Matsue	Japan	Record daily precipitation	95.0 mm (3.7 in)	40 of 100 (Notable)
Sasebo Reg Met HQ	Japan	Record daily precipitation	116.5 mm (4.6 in)	40 of 100 (Notable)
Jackson	United States	Record high minimum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Ashley	United States	Record high minimum temperature	14.4 C (57.9 F)	39 of 100 (Notable)
Kennebec	United States	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Yellowknife A	Canada	Record daily snowfall	14.4 cm (5.7 in)	38 of 100 (Notable)
Galway	Ireland	Record high minimum temperature	14.7 C (58.5 F)	38 of 100 (Notable)
Miyazaki	Japan	Record daily precipitation	315.5 mm (12.4 in)	38 of 100 (Notable)
Chadron 3SW	United States	Record high minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Ft Bayard 4W	United States	Record high minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Leola	United States	Record high maximum temperature	34.4 C (93.9 F)	38 of 100 (Notable)
Richmond	United States	Record daily precipitation	25.1 mm (1.0 in)	38 of 100 (Notable)
Fazenda Jucuruaba	Brazil	Record daily precipitation	70.5 mm (2.8 in)	37 of 100 (Notable)
Waycross 4 NE	United States	Record low minimum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Saluda	United States	Record low minimum temperature	2.2 C (36.0 F)	37 of 100 (Notable)
Whitehorse A	Canada	Record low minimum temperature	-19.4 C (-2.9 F)	36 of 100 (Notable)
Jabalpur	India	Record daily precipitation	82.0 mm (3.2 in)	36 of 100 (Notable)
Trinidad	United States	Record high minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Hutchinson 1 N	United States	Record high maximum temperature	32.2 C (90.0 F)	36 of 100 (Notable)
Hay Springs	United States	Record high minimum temperature	13.3 C (55.9 F)	36 of 100 (Notable)
Carcross	Canada	Record low maximum temperature	0.0 C (32.0 F)	35 of 100 (Notable)
Port Blair	India	Record daily precipitation	99.1 mm (3.9 in)	35 of 100 (Notable)
Armagh	United Kingdom	Record high minimum temperature	14.7 C (58.5 F)	35 of 100 (Notable)
Sharon Springs	United States	Record high minimum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Little Mtn	United States	Record low minimum temperature	6.7 C (44.1 F)	35 of 100 (Notable)
Colfax	United States	Record high minimum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record high minimum temperature	8.9 C (48.0 F)	35 of 100 (Notable)
Haines Junction	Canada	Record low minimum temperature	-21.5 C (-6.7 F)	34 of 100 (Routine)
Julesburg	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Wilbur	United States	Record low minimum temperature	-4.4 C (24.1 F)	33 of 100 (Routine)
Paso de Arocha	Mexico	Record high maximum temperature	38.9 C (102.0 F)	32 of 100 (Routine)
Akron 4 E	United States	Record high minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Stapleton 5 SSE	United States	Record high minimum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Stephan 2 NW	United States	Record high maximum temperature	35.0 C (95.0 F)	32 of 100 (Routine)
Morgan	United States	Record high minimum temperature	8.9 C (48.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

791 records

Records set or tied on 27 September 1983 by type: Highest daily maximum 168, Lowest daily maximum 66, Highest daily minimum 278, Lowest daily minimum 88, Heaviest daily rainfall 181, Heaviest daily snowfall 9, Deepest snow cover 1.

Records on 27 September 1983 by type
Record type	Records
Highest daily maximum	168
Lowest daily maximum	66
Highest daily minimum	278
Lowest daily minimum	88
Heaviest daily rainfall	181
Heaviest daily snowfall	9
Deepest snow cover	1

Records on 27 September 1983 by timescale: all-time 0, monthly 36, daily 755.

How Much Records Were Beaten By

624 broken records

Margins by which the 624 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 160.0. Ties are not counted.

Top 20 by Significance

27 September 1983

Top 20 records on 27 September 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1983	Yellowknife Hydro, CA	monthly snowfall	17.0 cm (6.7 in)	10.6 cm (4.2 in)	29 years	62 of 100 (Major)
27 September 1983	Banff, CA	daily snowfall	18.4 cm (7.2 in)	14.3 cm (5.6 in)	57 years	59 of 100 (Notable)
27 September 1983	Paulista, BR	monthly rain	94.3 mm (3.7 in)	58.2 mm (2.3 in)	5 years	55 of 100 (Notable)
27 September 1983	Lethebrook, AU	daily rain	45.0 mm (1.8 in)	22.1 mm (0.9 in)	56 years	53 of 100 (Notable)
27 September 1983	Hiroshima, JP	daily rain	96.0 mm (3.8 in)	82.7 mm (3.3 in)	28 years	51 of 100 (Notable)
27 September 1983	Kure Reg Met HQ, JP	daily rain	105.0 mm (4.1 in)	87.7 mm (3.5 in)	28 years	51 of 100 (Notable)
27 September 1983	Eagle, US	monthly low min	-21.7 C (-7.1 F)	5.0 C (9.0 F)	75 years	50 of 100 (Notable)
27 September 1983	Izuhara, JP	daily rain	178.5 mm (7.0 in)	160.0 mm (6.3 in)	22 years	49 of 100 (Notable)
27 September 1983	Ogden Sugar Factory, US	daily rain	39.9 mm (1.6 in)	23.9 mm (0.9 in)	54 years	49 of 100 (Notable)
27 September 1983	Macabuzinho, BR	daily rain	93.2 mm (3.7 in)	71.2 mm (2.8 in)	12 years	47 of 100 (Notable)
27 September 1983	Palermo, IT	daily rain	41.7 mm (1.6 in)	7.3 mm (0.29 in)	105 years	47 of 100 (Notable)
27 September 1983	Hirado, JP	daily rain	152.0 mm (6.0 in)	129.0 mm (5.1 in)	13 years	47 of 100 (Notable)
27 September 1983	Ulu-Teljak, RU	daily rain	33.0 mm (1.3 in)	16.8 mm (0.7 in)	44 years	46 of 100 (Notable)
27 September 1983	Fundao, BR	daily rain	83.0 mm (3.3 in)	60.2 mm (2.4 in)	4 years	44 of 100 (Notable)
27 September 1983	Sta. Cruz de Tenerife, ES	daily high min	26.4 C (79.5 F)	3.3 C (5.9 F)	46 years	44 of 100 (Notable)
27 September 1983	Carcross, CA	monthly low min	-18.0 C (-0.4 F)	4.7 C (8.5 F)	48 years	43 of 100 (Notable)
27 September 1983	Uwajima, JP	daily rain	153.5 mm (6.0 in)	120.5 mm (4.7 in)	8 years	43 of 100 (Notable)
27 September 1983	Monida, US	daily rain	31.8 mm (1.3 in)	23.7 mm (0.9 in)	10 years	43 of 100 (Notable)
27 September 1983	Metapa de Dominguez, MX	daily low min	16.7 C (62.1 F)	3.3 C (5.9 F)	26 years	42 of 100 (Notable)
27 September 1983	La Estanzuela (Eele), UY	daily rain	88.0 mm (3.5 in)	40.0 mm (1.6 in)	37 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

1799 to 1983

Records set or tied on this calendar date in each year from 1799 to 1983. 1983 had 791 records.

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

Records on 09-27 in each year
Year	Records
1799	1
1828	1
1836	2
1847	1
1851	1
1854	2
1855	2
1859	2
1866	2
1867	3
1874	1
1875	1
1877	2
1880	1
1881	4
1882	1
1885	5
1887	1
1890	3
1891	1
1892	1
1893	1
1894	5
1895	6
1896	1
1897	2
1898	4
1899	1
1900	5
1901	3
1902	12
1903	7
1904	12
1905	21
1906	21
1907	9
1908	36
1909	17
1910	20
1911	31
1912	25
1913	27
1914	24
1915	80
1916	57
1917	41
1918	58
1919	45
1920	54
1921	26
1922	111
1923	125
1924	115
1925	129
1926	581
1927	244
1928	288
1929	225
1930	178
1931	222
1932	194
1933	559
1934	298
1935	319
1936	435
1937	309
1938	366
1939	572
1940	706
1941	257
1942	1,353
1943	503
1944	323
1945	475
1946	387
1947	813
1948	405
1949	407
1950	223
1951	480
1952	539
1953	567
1954	507
1955	386
1956	825
1957	644
1958	585
1959	582
1960	337
1961	376
1962	352
1963	849
1964	724
1965	688
1966	426
1967	502
1968	286
1969	233
1970	773
1971	762
1972	989
1973	1,031
1974	408
1975	790
1976	905
1977	852
1978	773
1979	741
1980	559
1981	680
1982	1,076
1983	791
1984	1,297
1985	661
1986	1,772
1987	1,013
1988	494
1989	852
1990	379
1991	894
1992	659
1993	727
1994	764
1995	698
1996	1,468
1997	730
1998	1,774
1999	1,059
2000	1,031
2001	980
2002	992
2003	830
2004	665
2005	1,061
2006	596
2007	1,091
2008	659
2009	987
2010	1,153
2011	965
2012	624
2013	823
2014	813
2015	664
2016	600
2017	891
2018	600
2019	755
2020	659
2021	893
2022	642
2023	747
2024	1,449
2025	272
2026	358

Download the Data

Data for records on 1983-09-27: 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	578
20 to 40	21
40 to 60	8
60 to 80	9
80 to 100	3
100 to 120	1
120 to 140	2
140 to 160	2