Weather Records on 16 September 1977

577 weather records were set or tied worldwide on 16 September 1977. Highest significance: Put-In-Bay, US.

Key Facts for 16 September 1977

On 16 September 1977, 577 weather records were set or tied at long-record stations worldwide.
89 were record highs and 218 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 4 monthly and 571 daily.
Put-In-Bay set a daily record precipitation of 46.0 mm (1.8 in) on 16 September 1977.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 413 records.

Record Map

577 stations

577 station records on 16 September 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 September 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Put-In-Bay	United States	Record daily precipitation	46.0 mm (1.8 in)	57 of 100 (Notable)
Athens 5 NW	United States	Record daily precipitation	60.5 mm (2.4 in)	50 of 100 (Notable)
Prinshof	South Africa	Record daily precipitation	29.5 mm (1.2 in)	49 of 100 (Notable)
Sidney 2 N	United States	Record daily precipitation	47.8 mm (1.9 in)	48 of 100 (Notable)
Port Stanley	Canada	Record daily precipitation	30.8 mm (1.2 in)	43 of 100 (Notable)
Putbus	Germany	Record low maximum temperature	11.3 C (52.3 F)	43 of 100 (Notable)
Uppsala_Aut	Sweden	Record low maximum temperature	9.4 C (48.9 F)	42 of 100 (Notable)
Sacramento 5 ESE	United States	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Fullarton	South Africa	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Cedartown	United States	Record daily precipitation	56.9 mm (2.2 in)	41 of 100 (Notable)
Findlay Wpcc	United States	Record daily precipitation	38.9 mm (1.5 in)	41 of 100 (Notable)
Pisgah Forest 3 NE	United States	Record daily precipitation	99.1 mm (3.9 in)	40 of 100 (Notable)
Fredonia	United States	Record daily precipitation	55.6 mm (2.2 in)	39 of 100 (Notable)
Davis 2 WSW Exp Farm	United States	Record low maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Nevada City	United States	Record low maximum temperature	13.3 C (55.9 F)	38 of 100 (Notable)
Sonora	United States	Record low maximum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Palmerville	Australia	Record low minimum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Guarabira	Brazil	Record daily precipitation	35.4 mm (1.4 in)	37 of 100 (Notable)
Chickamauga 2 SW	United States	Record daily precipitation	57.4 mm (2.3 in)	37 of 100 (Notable)
Griffiss AFB	United States	Record daily precipitation	28.4 mm (1.1 in)	37 of 100 (Notable)
Ilhota-Jusante	Brazil	Record daily precipitation	52.2 mm (2.1 in)	36 of 100 (Notable)
Kristianstad	Sweden	Record low maximum temperature	12.5 C (54.5 F)	36 of 100 (Notable)
Redding Fire STN 2	United States	Record low maximum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Volta Ph	United States	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Mt Holly 4 NE	United States	Record daily precipitation	98.3 mm (3.9 in)	36 of 100 (Notable)
Clarksville Wwtp	United States	Record daily precipitation	30.7 mm (1.2 in)	36 of 100 (Notable)
Dontsa	South Africa	Record daily precipitation	60.0 mm (2.4 in)	35 of 100 (Notable)
Carnarvon (Pol)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
Colfax	United States	Record low maximum temperature	14.4 C (57.9 F)	35 of 100 (Notable)
Vacaville	United States	Record low maximum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Tartu	Estonia	Record low maximum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Koster (Pol)	South Africa	Record daily precipitation	39.0 mm (1.5 in)	33 of 100 (Routine)
Lodi	United States	Record low maximum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Bedford	United States	Record low maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Romney 1 SW	United States	Record low maximum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Adiake	Cote D'Ivoire	Record daily precipitation	50.9 mm (2.0 in)	32 of 100 (Routine)
Richfield 10 WSW	United States	Record daily precipitation	46.5 mm (1.8 in)	32 of 100 (Routine)
Greenville Wtp	United States	Record daily precipitation	34.8 mm (1.4 in)	32 of 100 (Routine)
Richmond Post Office	Australia	Record low minimum temperature	5.0 C (41.0 F)	31 of 100 (Routine)
Stockholm	Sweden	Record low maximum temperature	8.4 C (47.1 F)	31 of 100 (Routine)
Valley Head	United States	Record daily precipitation	46.7 mm (1.8 in)	31 of 100 (Routine)
Cartersville #2	United States	Record daily precipitation	54.1 mm (2.1 in)	31 of 100 (Routine)
Caro Wwtp	United States	Record daily precipitation	31.5 mm (1.2 in)	31 of 100 (Routine)
New Cumberland L/D	United States	Record daily precipitation	31.5 mm (1.2 in)	31 of 100 (Routine)
Minatitlan	Mexico	Record daily precipitation	88.9 mm (3.5 in)	30 of 100 (Routine)
New Lexington 2 NW	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Dover 1 W	United States	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
London Int'l Airport	Canada	Record daily precipitation	35.0 mm (1.4 in)	29 of 100 (Routine)
Velikie Luki	Russia	Record low maximum temperature	6.8 C (44.2 F)	29 of 100 (Routine)
Carnarvon	South Africa	Record daily precipitation	25.5 mm (1.0 in)	29 of 100 (Routine)
Orland	United States	Record low maximum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Mc Connellsville Lk 7	United States	Record daily precipitation	34.3 mm (1.4 in)	29 of 100 (Routine)
Klamath Falls 2 SSW	United States	Record low maximum temperature	11.7 C (53.1 F)	29 of 100 (Routine)
Lake 2 N	United States	Record low maximum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Calhoun Falls	United States	Record daily precipitation	42.7 mm (1.7 in)	29 of 100 (Routine)
De Sabla	United States	Record low maximum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Enterprise	United States	Record daily precipitation	36.1 mm (1.4 in)	28 of 100 (Routine)
Columbus-Valley Crossing	United States	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Xenia 6 SSE	United States	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Vastervik	Sweden	Record low maximum temperature	10.2 C (50.4 F)	27 of 100 (Routine)

Counts by Type and Timescale

577 records

Records set or tied on 16 September 1977 by type: Highest daily maximum 23, Lowest daily maximum 174, Highest daily minimum 66, Lowest daily minimum 44, Heaviest daily rainfall 268, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 16 September 1977 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	174
Highest daily minimum	66
Lowest daily minimum	44
Heaviest daily rainfall	268
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 16 September 1977 by timescale: all-time 2, monthly 4, daily 571.

How Much Records Were Beaten By

479 broken records

Margins by which the 479 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.0. Ties are not counted.

Top 20 by Significance

16 September 1977

Top 20 records on 16 September 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 September 1977	Put-In-Bay, US	daily rain	46.0 mm (1.8 in)	37.1 mm (1.5 in)	59 years	57 of 100 (Notable)
16 September 1977	Athens 5 NW, US	daily rain	60.5 mm (2.4 in)	41.2 mm (1.6 in)	43 years	50 of 100 (Notable)
16 September 1977	Prinshof, ZA	daily rain	29.5 mm (1.2 in)	24.4 mm (1.0 in)	42 years	49 of 100 (Notable)
16 September 1977	Sidney 2 N, US	daily rain	47.8 mm (1.9 in)	26.2 mm (1.0 in)	59 years	48 of 100 (Notable)
16 September 1977	Port Stanley, CA	daily rain	30.8 mm (1.2 in)	6.4 mm (0.25 in)	87 years	43 of 100 (Notable)
16 September 1977	Putbus, DE	daily low max	11.3 C (52.3 F)	1.0 C (1.8 F)	109 years	43 of 100 (Notable)
16 September 1977	Uppsala_Aut, SE	daily low max	9.4 C (48.9 F)	0.9 C (1.6 F)	121 years	42 of 100 (Notable)
16 September 1977	Sacramento 5 ESE, US	daily low max	15.6 C (60.1 F)	2.2 C (4.0 F)	94 years	42 of 100 (Notable)
16 September 1977	Fullarton, ZA	daily rain	25.0 mm (1.0 in)	17.4 mm (0.7 in)	44 years	41 of 100 (Notable)
16 September 1977	Cedartown, US	daily rain	56.9 mm (2.2 in)	39.9 mm (1.6 in)	32 years	41 of 100 (Notable)
16 September 1977	Findlay Wpcc, US	daily rain	38.9 mm (1.5 in)	15.5 mm (0.6 in)	72 years	41 of 100 (Notable)
16 September 1977	Pisgah Forest 3 NE, US	daily rain	99.1 mm (3.9 in)	53.4 mm (2.1 in)	20 years	40 of 100 (Notable)
16 September 1977	Fredonia, US	daily rain	55.6 mm (2.2 in)	22.1 mm (0.9 in)	47 years	39 of 100 (Notable)
16 September 1977	Davis 2 WSW Exp Farm, US	daily low max	18.9 C (66.0 F)	5.0 C (9.0 F)	68 years	38 of 100 (Notable)
16 September 1977	Nevada City, US	daily low max	13.3 C (55.9 F)	3.9 C (7.0 F)	76 years	38 of 100 (Notable)
16 September 1977	Sonora, US	daily low max	16.7 C (62.1 F)	5.0 C (9.0 F)	68 years	38 of 100 (Notable)
16 September 1977	Palmerville, AU	daily low min	10.0 C (50.0 F)	2.2 C (4.0 F)	72 years	37 of 100 (Notable)
16 September 1977	Guarabira, BR	daily rain	35.4 mm (1.4 in)	16.3 mm (0.6 in)	48 years	37 of 100 (Notable)
16 September 1977	Chickamauga 2 SW, US	daily rain	57.4 mm (2.3 in)	40.1 mm (1.6 in)	32 years	37 of 100 (Notable)
16 September 1977	Griffiss AFB, US	daily rain	28.4 mm (1.1 in)	10.6 mm (0.4 in)	62 years	37 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

1793 to 1977

Records set or tied on this calendar date in each year from 1793 to 1977. 1977 had 577 records.

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

Records on 09-16 in each year
Year	Records
1793	1
1796	1
1807	1
1809	1
1823	2
1828	1
1829	1
1833	1
1837	1
1845	1
1847	1
1848	2
1850	1
1852	1
1854	2
1857	1
1861	1
1865	1
1866	1
1867	1
1869	1
1873	1
1874	3
1875	2
1877	4
1879	1
1882	1
1884	2
1885	5
1886	1
1887	2
1888	1
1889	9
1890	1
1892	2
1893	2
1894	1
1895	2
1896	3
1897	2
1898	6
1899	4
1900	5
1901	7
1902	3
1903	18
1904	5
1905	9
1906	12
1907	14
1908	15
1909	18
1910	26
1911	18
1912	58
1913	43
1914	35
1915	50
1916	60
1917	180
1918	125
1919	26
1920	164
1921	62
1922	147
1923	151
1924	77
1925	212
1926	116
1927	382
1928	62
1929	121
1930	235
1931	568
1932	533
1933	321
1934	519
1935	303
1936	442
1937	536
1938	296
1939	666
1940	188
1941	319
1942	504
1943	270
1944	284
1945	390
1946	610
1947	763
1948	541
1949	486
1950	506
1951	290
1952	378
1953	317
1954	554
1955	490
1956	605
1957	500
1958	538
1959	983
1960	235
1961	833
1962	479
1963	491
1964	859
1965	1,159
1966	838
1967	427
1968	496
1969	360
1970	627
1971	617
1972	451
1973	608
1974	385
1975	836
1976	878
1977	577
1978	421
1979	1,025
1980	568
1981	765
1982	863
1983	814
1984	898
1985	539
1986	862
1987	783
1988	786
1989	854
1990	593
1991	1,367
1992	1,073
1993	1,542
1994	1,008
1995	976
1996	1,403
1997	1,028
1998	1,466
1999	879
2000	1,315
2001	819
2002	1,117
2003	627
2004	746
2005	1,112
2006	1,274
2007	895
2008	1,000
2009	754
2010	880
2011	1,265
2012	572
2013	673
2014	490
2015	926
2016	767
2017	583
2018	921
2019	742
2020	674
2021	454
2022	521
2023	568
2024	885
2025	578
2026	920

Download the Data

Data for records on 1977-09-16: 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	402
10 to 20	51
20 to 30	16
30 to 40	4
40 to 50	3
50 to 60	3