Weather Records on 27 September 1976

905 weather records were set or tied worldwide on 27 September 1976. Highest significance: Portsmouth-Sciotoville, US.

Key Facts for 27 September 1976

On 27 September 1976, 905 weather records were set or tied at long-record stations worldwide.
209 were record highs and 117 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 880 daily.
Portsmouth-Sciotoville set an all-time record daily precipitation of 162.6 mm (6.4 in) on 27 September 1976.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 448 records.

Record Map

905 stations

905 station records on 27 September 1976 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Portsmouth-Sciotoville	United States	Record daily precipitation	162.6 mm (6.4 in)	69 of 100 (Major)
Toledo Blade	United States	Record daily precipitation	46.5 mm (1.8 in)	61 of 100 (Major)
St Lawrence Post Office	Australia	Record daily precipitation	84.6 mm (3.3 in)	56 of 100 (Notable)
Richmond	United States	Record daily precipitation	68.8 mm (2.7 in)	54 of 100 (Notable)
Impendle (Pol)	South Africa	Record daily precipitation	70.0 mm (2.8 in)	53 of 100 (Notable)
Marlborough Post Office	Australia	Record daily precipitation	48.0 mm (1.9 in)	52 of 100 (Notable)
Bauhinia Downs Store	Australia	Record daily precipitation	68.0 mm (2.7 in)	52 of 100 (Notable)
Barra de Sao Pedro (Manaca)	Brazil	Record daily precipitation	35.6 mm (1.4 in)	51 of 100 (Notable)
Ashland	United States	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)
Santa Helena (Mariquita)	Brazil	Record daily precipitation	45.4 mm (1.8 in)	47 of 100 (Notable)
Darts Creek	Australia	Record daily precipitation	39.0 mm (1.5 in)	45 of 100 (Notable)
Canning Downs	Australia	Record daily precipitation	45.4 mm (1.8 in)	45 of 100 (Notable)
Papkuil	South Africa	Record daily precipitation	27.0 mm (1.1 in)	45 of 100 (Notable)
Newlands	South Africa	Record daily precipitation	29.5 mm (1.2 in)	45 of 100 (Notable)
Corinth 5 WSW	United States	Record daily precipitation	62.7 mm (2.5 in)	44 of 100 (Notable)
Samtredia	Georgia	Record daily precipitation	90.9 mm (3.6 in)	43 of 100 (Notable)
Liberty 1 NE	United States	Record daily precipitation	36.8 mm (1.4 in)	43 of 100 (Notable)
Jambin Post Office	Australia	Record daily precipitation	40.0 mm (1.6 in)	42 of 100 (Notable)
Ribeirao Corrente	Brazil	Record daily precipitation	49.4 mm (1.9 in)	42 of 100 (Notable)
Pompeia	Brazil	Record daily precipitation	80.8 mm (3.2 in)	42 of 100 (Notable)
Klipfontein	South Africa	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
Valley View Lock 9	United States	Record daily precipitation	64.0 mm (2.5 in)	42 of 100 (Notable)
Tascosa	United States	Record daily precipitation	54.4 mm (2.1 in)	42 of 100 (Notable)
Tashkent	Uzbekistan	Record high minimum temperature	18.6 C (65.5 F)	42 of 100 (Notable)
Keda	Georgia	Record daily precipitation	63.5 mm (2.5 in)	41 of 100 (Notable)
Ellenburg Depot	United States	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Gallipolis	United States	Record daily precipitation	96.5 mm (3.8 in)	41 of 100 (Notable)
Wooroona	Australia	Record daily precipitation	37.0 mm (1.5 in)	40 of 100 (Notable)
Ladybrand (Skl)	South Africa	Record daily precipitation	48.5 mm (1.9 in)	39 of 100 (Notable)
Knight L C,Balgowan	South Africa	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Ellenville	United States	Record daily precipitation	48.0 mm (1.9 in)	39 of 100 (Notable)
Plattsburgh AFB	United States	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Qacu (Bos)	South Africa	Record daily precipitation	41.0 mm (1.6 in)	38 of 100 (Notable)
Amistad 5 SSW	United States	Record daily precipitation	26.7 mm (1.1 in)	38 of 100 (Notable)
Ravenswood Lock Park	United States	Record daily precipitation	63.5 mm (2.5 in)	38 of 100 (Notable)
Rolleston	Australia	Record daily precipitation	46.4 mm (1.8 in)	37 of 100 (Notable)
Clarion 3 SW	United States	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Winfield Locks	United States	Record daily precipitation	56.4 mm (2.2 in)	37 of 100 (Notable)
Belvedere	Australia	Record daily precipitation	37.2 mm (1.5 in)	36 of 100 (Notable)
Steynsburg	South Africa	Record daily precipitation	25.5 mm (1.0 in)	36 of 100 (Notable)
Belmont (Pol)	South Africa	Record daily precipitation	40.5 mm (1.6 in)	36 of 100 (Notable)
Barrage (Rwb)	South Africa	Record daily precipitation	41.5 mm (1.6 in)	36 of 100 (Notable)
Ford Lock 1O	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Little Hickman Lock 8	United States	Record daily precipitation	65.3 mm (2.6 in)	36 of 100 (Notable)
Williamstown	United States	Record daily precipitation	38.9 mm (1.5 in)	36 of 100 (Notable)
Des Moines	United States	Record daily precipitation	42.9 mm (1.7 in)	36 of 100 (Notable)
Clayton Muni Air Pk	United States	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Gin Gin Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Goldberg	Germany	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Bones I Bardu	Norway	Record snow depth	29.0 cm (11.4 in)	35 of 100 (Notable)
Dolgeville	United States	Record daily precipitation	38.4 mm (1.5 in)	35 of 100 (Notable)
Fairmont	United States	Record daily precipitation	34.0 mm (1.3 in)	35 of 100 (Notable)
Visconde de Rio Claro	Brazil	Record daily precipitation	29.6 mm (1.2 in)	34 of 100 (Routine)
Jau	Brazil	Record daily precipitation	68.7 mm (2.7 in)	34 of 100 (Routine)
Barra Mansa	Brazil	Record daily precipitation	63.6 mm (2.5 in)	34 of 100 (Routine)
Sterlitamak	Russia	Record daily precipitation	28.4 mm (1.1 in)	34 of 100 (Routine)
Springfield 2W	United States	Record daily precipitation	51.1 mm (2.0 in)	34 of 100 (Routine)
Vanceburg	United States	Record daily precipitation	106.2 mm (4.2 in)	34 of 100 (Routine)
Aztec Ruins Nm	United States	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Reginopolis	Brazil	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)

Counts by Type and Timescale

905 records

Records set or tied on 27 September 1976 by type: Highest daily maximum 72, Lowest daily maximum 64, Highest daily minimum 137, Lowest daily minimum 53, Heaviest daily rainfall 574, Deepest snow cover 5.

Records on 27 September 1976 by type
Record type	Records
Highest daily maximum	72
Lowest daily maximum	64
Highest daily minimum	137
Lowest daily minimum	53
Heaviest daily rainfall	574
Heaviest daily snowfall	0
Deepest snow cover	5

Records on 27 September 1976 by timescale: all-time 1, monthly 24, daily 880.

How Much Records Were Beaten By

771 broken records

Margins by which the 771 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.0. Ties are not counted.

Top 20 by Significance

27 September 1976

Top 20 records on 27 September 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1976	Portsmouth-Sciotoville, US	all-time rain	162.6 mm (6.4 in)	35.1 mm (1.4 in)	38 years	69 of 100 (Major)
27 September 1976	Toledo Blade, US	daily rain	46.5 mm (1.8 in)	24.1 mm (0.9 in)	96 years	61 of 100 (Major)
27 September 1976	St Lawrence Post Office, AU	daily rain	84.6 mm (3.3 in)	71.1 mm (2.8 in)	21 years	56 of 100 (Notable)
27 September 1976	Richmond, US	daily rain	68.8 mm (2.7 in)	28.4 mm (1.1 in)	77 years	54 of 100 (Notable)
27 September 1976	Impendle (Pol), ZA	monthly rain	70.0 mm (2.8 in)	27.0 mm (1.1 in)	19 years	53 of 100 (Notable)
27 September 1976	Marlborough Post Office, AU	daily rain	48.0 mm (1.9 in)	20.1 mm (0.8 in)	87 years	52 of 100 (Notable)
27 September 1976	Bauhinia Downs Store, AU	daily rain	68.0 mm (2.7 in)	35.5 mm (1.4 in)	50 years	52 of 100 (Notable)
27 September 1976	Barra de Sao Pedro (Manaca), BR	daily rain	35.6 mm (1.4 in)	35.6 mm (1.4 in)	40 years	51 of 100 (Notable)
27 September 1976	Ashland, US	daily rain	63.5 mm (2.5 in)	36.8 mm (1.4 in)	34 years	50 of 100 (Notable)
27 September 1976	Santa Helena (Mariquita), BR	daily rain	45.4 mm (1.8 in)	32.9 mm (1.3 in)	36 years	47 of 100 (Notable)
27 September 1976	Darts Creek, AU	daily rain	39.0 mm (1.5 in)	36.5 mm (1.4 in)	22 years	45 of 100 (Notable)
27 September 1976	Canning Downs, AU	daily rain	45.4 mm (1.8 in)	20.0 mm (0.8 in)	50 years	45 of 100 (Notable)
27 September 1976	Papkuil, ZA	daily rain	27.0 mm (1.1 in)	23.2 mm (0.9 in)	52 years	45 of 100 (Notable)
27 September 1976	Newlands, ZA	daily rain	29.5 mm (1.2 in)	22.4 mm (0.9 in)	58 years	45 of 100 (Notable)
27 September 1976	Corinth 5 WSW, US	daily rain	62.7 mm (2.5 in)	40.9 mm (1.6 in)	44 years	44 of 100 (Notable)
27 September 1976	Samtredia, GE	daily rain	90.9 mm (3.6 in)	42.5 mm (1.7 in)	38 years	43 of 100 (Notable)
27 September 1976	Liberty 1 NE, US	daily rain	36.8 mm (1.4 in)	22.6 mm (0.9 in)	67 years	43 of 100 (Notable)
27 September 1976	Jambin Post Office, AU	daily rain	40.0 mm (1.6 in)	35.7 mm (1.4 in)	5 years	42 of 100 (Notable)
27 September 1976	Ribeirao Corrente, BR	daily rain	49.4 mm (1.9 in)	29.0 mm (1.1 in)	24 years	42 of 100 (Notable)
27 September 1976	Pompeia, BR	monthly rain	80.8 mm (3.2 in)	22.5 mm (0.9 in)	35 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 1976

Records set or tied on this calendar date in each year from 1799 to 1976. 1976 had 905 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 1976-09-27: 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 10	571
10 to 20	102
20 to 30	71
30 to 40	22
40 to 50	3
50 to 60	0
60 to 70	0
70 to 80	2