Weather Records on 20 September 1979

767 weather records were set or tied worldwide on 20 September 1979. Highest significance: Angleton 2 W, US.

Key Facts for 20 September 1979

On 20 September 1979, 767 weather records were set or tied at long-record stations worldwide.
179 were record highs and 298 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 31 monthly and 736 daily.
Angleton 2 W set a daily record precipitation of 196.9 mm (7.8 in) on 20 September 1979.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 440 records.

Record Map

767 stations

767 station records on 20 September 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Angleton 2 W	United States	Record daily precipitation	196.9 mm (7.8 in)	66 of 100 (Major)
Grand Coteau	United States	Record daily precipitation	128.5 mm (5.1 in)	65 of 100 (Major)
Sugartown	United States	Record daily precipitation	179.1 mm (7.1 in)	65 of 100 (Major)
Huntsville	United States	Record daily precipitation	142.2 mm (5.6 in)	65 of 100 (Major)
Genoa	Italy	Record daily precipitation	137.4 mm (5.4 in)	62 of 100 (Major)
Elizabeth	United States	Record daily precipitation	180.6 mm (7.1 in)	60 of 100 (Major)
Liberty	United States	Record daily precipitation	116.8 mm (4.6 in)	57 of 100 (Notable)
Leesville	United States	Record daily precipitation	109.7 mm (4.3 in)	56 of 100 (Notable)
Welverdiend (Pol)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	55 of 100 (Notable)
Dialville 2 W	United States	Record daily precipitation	132.1 mm (5.2 in)	54 of 100 (Notable)
Kronach	Germany	Record daily precipitation	42.4 mm (1.7 in)	53 of 100 (Notable)
Livingston 2 NNE	United States	Record daily precipitation	154.4 mm (6.1 in)	52 of 100 (Notable)
Charleston Intl AP	United States	Record daily precipitation	131.6 mm (5.2 in)	52 of 100 (Notable)
Rollbach	Germany	Record daily precipitation	30.6 mm (1.2 in)	51 of 100 (Notable)
Wharton	United States	Record daily precipitation	119.4 mm (4.7 in)	51 of 100 (Notable)
De Quincy	United States	Record daily precipitation	152.4 mm (6.0 in)	50 of 100 (Notable)
Anahuac	United States	Record daily precipitation	128.0 mm (5.0 in)	50 of 100 (Notable)
Warren 2 S	United States	Record daily precipitation	152.9 mm (6.0 in)	50 of 100 (Notable)
Bad Kissingen	Germany	Record daily precipitation	32.3 mm (1.3 in)	49 of 100 (Notable)
Longville	United States	Record daily precipitation	186.2 mm (7.3 in)	49 of 100 (Notable)
Pickens	United States	Record daily precipitation	96.5 mm (3.8 in)	49 of 100 (Notable)
Conroe	United States	Record daily precipitation	130.3 mm (5.1 in)	46 of 100 (Notable)
Cypress	United States	Record daily precipitation	160.0 mm (6.3 in)	45 of 100 (Notable)
Palestine 2 NE	United States	Record daily precipitation	100.1 mm (3.9 in)	45 of 100 (Notable)
Alvin	United States	Record daily precipitation	212.6 mm (8.4 in)	44 of 100 (Notable)
Freeport 2 NW	United States	Record daily precipitation	287.8 mm (11.3 in)	44 of 100 (Notable)
Sugar Land	United States	Record daily precipitation	109.2 mm (4.3 in)	44 of 100 (Notable)
Frammersbach	Germany	Record daily precipitation	55.3 mm (2.2 in)	43 of 100 (Notable)
Plauen	Germany	Record daily precipitation	28.0 mm (1.1 in)	43 of 100 (Notable)
Tygda	Russia	Record daily precipitation	34.2 mm (1.3 in)	43 of 100 (Notable)
Columbus	United States	Record daily precipitation	129.5 mm (5.1 in)	43 of 100 (Notable)
Houston Barker	United States	Record daily precipitation	130.3 mm (5.1 in)	43 of 100 (Notable)
Sao Pedro Do Suacui	Brazil	Record daily precipitation	28.5 mm (1.1 in)	42 of 100 (Notable)
Sao Jose de Piranhas	Brazil	Record daily precipitation	25.9 mm (1.0 in)	42 of 100 (Notable)
Richmond	Canada	Record low minimum temperature	-2.8 C (27.0 F)	42 of 100 (Notable)
Natchez	United States	Record daily precipitation	102.1 mm (4.0 in)	42 of 100 (Notable)
Freehold-Marlboro	United States	Record low minimum temperature	2.2 C (36.0 F)	42 of 100 (Notable)
Brenham	United States	Record daily precipitation	77.7 mm (3.1 in)	42 of 100 (Notable)
Jasper	United States	Record daily precipitation	127.3 mm (5.0 in)	42 of 100 (Notable)
Nice	France	Record daily precipitation	61.8 mm (2.4 in)	41 of 100 (Notable)
Chernjaevo	Russia	Record daily precipitation	32.8 mm (1.3 in)	41 of 100 (Notable)
Alexandria	United States	Record daily precipitation	89.4 mm (3.5 in)	41 of 100 (Notable)
Kinder 3 W	United States	Record daily precipitation	200.7 mm (7.9 in)	41 of 100 (Notable)
Horger	United States	Record daily precipitation	82.6 mm (3.3 in)	41 of 100 (Notable)
Bowenville	Australia	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Sandberg	Germany	Record daily precipitation	28.7 mm (1.1 in)	40 of 100 (Notable)
Poona	India	Record daily precipitation	70.1 mm (2.8 in)	40 of 100 (Notable)
Plattsburgh AFB	United States	Record low minimum temperature	-2.2 C (28.0 F)	40 of 100 (Notable)
Athens	United States	Record daily precipitation	51.1 mm (2.0 in)	40 of 100 (Notable)
Houston Deer Park	United States	Record daily precipitation	152.4 mm (6.0 in)	40 of 100 (Notable)
Lowell	United States	Record low minimum temperature	-3.3 C (26.1 F)	39 of 100 (Notable)
Middletown 2 NW	United States	Record low minimum temperature	1.7 C (35.1 F)	38 of 100 (Notable)
Waller	United States	Record daily precipitation	197.1 mm (7.8 in)	38 of 100 (Notable)
Toms River	United States	Record low minimum temperature	1.7 C (35.1 F)	37 of 100 (Notable)
Bay City Wtr Wks	United States	Record daily precipitation	136.7 mm (5.4 in)	37 of 100 (Notable)
Mexia	United States	Record daily precipitation	75.9 mm (3.0 in)	37 of 100 (Notable)
Chestertown	United States	Record low minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Old Forge	United States	Record low minimum temperature	-5.6 C (21.9 F)	36 of 100 (Notable)
Alto 5 SW	United States	Record daily precipitation	102.9 mm (4.1 in)	36 of 100 (Notable)
Mercedes 6 SSE	United States	Record low maximum temperature	23.3 C (73.9 F)	36 of 100 (Notable)

Counts by Type and Timescale

767 records

Records set or tied on 20 September 1979 by type: Highest daily maximum 71, Lowest daily maximum 82, Highest daily minimum 108, Lowest daily minimum 216, Heaviest daily rainfall 290.

Records on 20 September 1979 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	82
Highest daily minimum	108
Lowest daily minimum	216
Heaviest daily rainfall	290
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 1979 by timescale: all-time 0, monthly 31, daily 736.

How Much Records Were Beaten By

614 broken records

Margins by which the 614 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 200.2. Ties are not counted.

Top 20 by Significance

20 September 1979

Top 20 records on 20 September 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1979	Angleton 2 W, US	daily rain	196.9 mm (7.8 in)	147.4 mm (5.8 in)	60 years	66 of 100 (Major)
20 September 1979	Grand Coteau, US	daily rain	128.5 mm (5.1 in)	71.3 mm (2.8 in)	69 years	65 of 100 (Major)
20 September 1979	Sugartown, US	monthly rain	179.1 mm (7.1 in)	54.6 mm (2.1 in)	65 years	65 of 100 (Major)
20 September 1979	Huntsville, US	daily rain	142.2 mm (5.6 in)	109.2 mm (4.3 in)	60 years	65 of 100 (Major)
20 September 1979	Genoa, IT	daily rain	137.4 mm (5.4 in)	47.9 mm (1.9 in)	132 years	62 of 100 (Major)
20 September 1979	Elizabeth, US	monthly rain	180.6 mm (7.1 in)	83.6 mm (3.3 in)	18 years	60 of 100 (Major)
20 September 1979	Liberty, US	daily rain	116.8 mm (4.6 in)	64.2 mm (2.5 in)	60 years	57 of 100 (Notable)
20 September 1979	Leesville, US	daily rain	109.7 mm (4.3 in)	73.1 mm (2.9 in)	32 years	56 of 100 (Notable)
20 September 1979	Welverdiend (Pol), ZA	daily rain	45.0 mm (1.8 in)	40.7 mm (1.6 in)	28 years	55 of 100 (Notable)
20 September 1979	Dialville 2 W, US	daily rain	132.1 mm (5.2 in)	82.6 mm (3.3 in)	20 years	54 of 100 (Notable)
20 September 1979	Kronach, DE	daily rain	42.4 mm (1.7 in)	20.8 mm (0.8 in)	46 years	53 of 100 (Notable)
20 September 1979	Livingston 2 NNE, US	daily rain	154.4 mm (6.1 in)	111.7 mm (4.4 in)	28 years	52 of 100 (Notable)
20 September 1979	Charleston Intl AP, US	daily rain	131.6 mm (5.2 in)	99.1 mm (3.9 in)	26 years	52 of 100 (Notable)
20 September 1979	Rollbach, DE	daily rain	30.6 mm (1.2 in)	19.9 mm (0.8 in)	28 years	51 of 100 (Notable)
20 September 1979	Wharton, US	daily rain	119.4 mm (4.7 in)	93.5 mm (3.7 in)	13 years	51 of 100 (Notable)
20 September 1979	De Quincy, US	daily rain	152.4 mm (6.0 in)	122.4 mm (4.8 in)	20 years	50 of 100 (Notable)
20 September 1979	Anahuac, US	daily rain	128.0 mm (5.0 in)	77.2 mm (3.0 in)	20 years	50 of 100 (Notable)
20 September 1979	Warren 2 S, US	daily rain	152.9 mm (6.0 in)	95.0 mm (3.7 in)	20 years	50 of 100 (Notable)
20 September 1979	Bad Kissingen, DE	daily rain	32.3 mm (1.3 in)	25.0 mm (1.0 in)	20 years	49 of 100 (Notable)
20 September 1979	Longville, US	daily rain	186.2 mm (7.3 in)	164.6 mm (6.5 in)	20 years	49 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

1812 to 1979

Records set or tied on this calendar date in each year from 1812 to 1979. 1979 had 767 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 1979-09-20: 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 50	580
50 to 100	27
100 to 150	5
150 to 200	1
200 to 250	1