Weather Records on 17 September 1979

804 weather records were set or tied worldwide on 17 September 1979. Highest significance: Orogrande, US.

Key Facts for 17 September 1979

On 17 September 1979, 804 weather records were set or tied at long-record stations worldwide.
258 were record highs and 417 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 788 daily.
Orogrande set a daily record low maximum temperature of 13.9 C (57.0 F) on 17 September 1979.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 420 records.

Record Map

804 stations

804 station records on 17 September 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Orogrande	United States	Record low maximum temperature	13.9 C (57.0 F)	55 of 100 (Notable)
Blountstown 2 SE	United States	Record daily precipitation	142.5 mm (5.6 in)	51 of 100 (Notable)
Cuddalore	India	Record daily precipitation	160.0 mm (6.3 in)	49 of 100 (Notable)
Ostuta	Mexico	Record daily precipitation	189.5 mm (7.5 in)	45 of 100 (Notable)
Chiricahua Nm	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Artesia 6S	United States	Record low maximum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Ysleta	United States	Record low maximum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Vitoria Aerodromo	Spain	Record daily precipitation	36.0 mm (1.4 in)	39 of 100 (Notable)
Panuco (Smn)	Mexico	Record low maximum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Carlsbad	United States	Record low maximum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Columbus	United States	Record low maximum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Monte Alegre de Minas	Brazil	Record daily precipitation	42.0 mm (1.7 in)	37 of 100 (Notable)
Oriente	Brazil	Record daily precipitation	40.5 mm (1.6 in)	37 of 100 (Notable)
Jesus Maria (Smn)	Mexico	Record high maximum temperature	40.0 C (104.0 F)	37 of 100 (Notable)
Zacapoaxtla (Smn)	Mexico	Record daily precipitation	161.8 mm (6.4 in)	37 of 100 (Notable)
Atzalan	Mexico	Record daily precipitation	119.9 mm (4.7 in)	37 of 100 (Notable)
Las Vigas	Mexico	Record daily precipitation	199.9 mm (7.9 in)	37 of 100 (Notable)
Tg Jiu	Romania	Record low minimum temperature	-0.5 C (31.1 F)	37 of 100 (Notable)
Walden	United States	Record high maximum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Cuero	United States	Record low minimum temperature	11.7 C (53.1 F)	37 of 100 (Notable)
Vilnius	Lithuania	Record low minimum temperature	-0.6 C (30.9 F)	36 of 100 (Notable)
Juarez (Smn)	Mexico	Record low maximum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Bowie	United States	Record low maximum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Willcox	United States	Record low maximum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Caballo Dam	United States	Record low maximum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Hachita 1W	United States	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Kropotkin	Russia	Record daily precipitation	30.2 mm (1.2 in)	35 of 100 (Notable)
Safford Ag Ctr	United States	Record low maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Morgan 1 W	United States	Record low maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Alamogordo	United States	Record low maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Ft Bayard 4W	United States	Record low maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Summerville 4W	United States	Record low maximum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Pecos	United States	Record low maximum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Osijek	Croatia	Record low minimum temperature	1.3 C (34.3 F)	33 of 100 (Routine)
Elephant Butte Dam	United States	Record low maximum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Llano	United States	Record low minimum temperature	8.3 C (46.9 F)	33 of 100 (Routine)
Samalayuca	Mexico	Record low maximum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Zimapan	Mexico	Record daily precipitation	32.8 mm (1.3 in)	32 of 100 (Routine)
Balcon Diablo	Mexico	Record low maximum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Tepeaca	Mexico	Record low maximum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Lysebotn	Norway	Record daily precipitation	70.0 mm (2.8 in)	32 of 100 (Routine)
Lordsburg 4 SE	United States	Record low maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Ipswich	United States	Record high maximum temperature	32.8 C (91.0 F)	32 of 100 (Routine)
Chisos Basin	United States	Record low maximum temperature	10.6 C (51.1 F)	32 of 100 (Routine)
Lufkin Angelina Co AP	United States	Record low maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Galeana	Mexico	Record low maximum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Avalon Pleasure Pier	United States	Record high maximum temperature	32.2 C (90.0 F)	31 of 100 (Routine)
Bottineau	United States	Record high minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Beeville 5 NE	United States	Record low minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Lampasas	United States	Record low minimum temperature	6.1 C (43.0 F)	31 of 100 (Routine)
Luling	United States	Record low minimum temperature	11.7 C (53.1 F)	31 of 100 (Routine)
Sarajevo	Bosnia and Herzegovina	Record low minimum temperature	0.9 C (33.6 F)	30 of 100 (Routine)
Monsenhor Paulo	Brazil	Record daily precipitation	29.4 mm (1.2 in)	30 of 100 (Routine)
Panuco (Smn)	Mexico	Record low minimum temperature	10.6 C (51.1 F)	30 of 100 (Routine)
Rinconada	Mexico	Record low minimum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Simferopol	Ukraine	Record low maximum temperature	14.7 C (58.5 F)	30 of 100 (Routine)
Calico Rock 2 WSW	United States	Record low minimum temperature	3.3 C (37.9 F)	30 of 100 (Routine)
White Sands Natl Mon	United States	Record low maximum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Granville	United States	Record high maximum temperature	36.1 C (97.0 F)	30 of 100 (Routine)
Minot Exp STN	United States	Record high minimum temperature	15.0 C (59.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

804 records

Records set or tied on 17 September 1979 by type: Highest daily maximum 167, Lowest daily maximum 204, Highest daily minimum 91, Lowest daily minimum 213, Heaviest daily rainfall 128, Heaviest daily snowfall 1.

Records on 17 September 1979 by type
Record type	Records
Highest daily maximum	167
Lowest daily maximum	204
Highest daily minimum	91
Lowest daily minimum	213
Heaviest daily rainfall	128
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 17 September 1979 by timescale: all-time 1, monthly 15, daily 788.

How Much Records Were Beaten By

604 broken records

Margins by which the 604 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 116.8. Ties are not counted.

Top 20 by Significance

17 September 1979

Top 20 records on 17 September 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1979	Orogrande, US	daily low max	13.9 C (57.0 F)	12.8 C (23.0 F)	50 years	55 of 100 (Notable)
17 September 1979	Blountstown 2 SE, US	daily rain	142.5 mm (5.6 in)	98.8 mm (3.9 in)	10 years	51 of 100 (Notable)
17 September 1979	Cuddalore, IN	monthly rain	160.0 mm (6.3 in)	24.4 mm (1.0 in)	68 years	49 of 100 (Notable)
17 September 1979	Ostuta, MX	daily rain	189.5 mm (7.5 in)	111.5 mm (4.4 in)	16 years	45 of 100 (Notable)
17 September 1979	Chiricahua Nm, US	daily low max	15.6 C (60.1 F)	9.4 C (16.9 F)	17 years	41 of 100 (Notable)
17 September 1979	Artesia 6S, US	daily low max	14.4 C (57.9 F)	7.3 C (13.1 F)	60 years	40 of 100 (Notable)
17 September 1979	Ysleta, US	daily low max	14.4 C (57.9 F)	12.3 C (22.1 F)	17 years	40 of 100 (Notable)
17 September 1979	Vitoria Aerodromo, ES	daily rain	36.0 mm (1.4 in)	22.2 mm (0.9 in)	36 years	39 of 100 (Notable)
17 September 1979	Panuco (Smn), MX	monthly low max	15.6 C (60.1 F)	5.0 C (9.0 F)	32 years	38 of 100 (Notable)
17 September 1979	Carlsbad, US	daily low max	15.6 C (60.1 F)	5.5 C (9.9 F)	60 years	38 of 100 (Notable)
17 September 1979	Columbus, US	daily low max	16.1 C (61.0 F)	7.2 C (13.0 F)	49 years	38 of 100 (Notable)
17 September 1979	Monte Alegre de Minas, BR	daily rain	42.0 mm (1.7 in)	36.0 mm (1.4 in)	2 years	37 of 100 (Notable)
17 September 1979	Oriente, BR	daily rain	40.5 mm (1.6 in)	29.7 mm (1.2 in)	36 years	37 of 100 (Notable)
17 September 1979	Jesus Maria (Smn), MX	all-time high max	40.0 C (104.0 F)	2.2 C (4.0 F)	24 years	37 of 100 (Notable)
17 September 1979	Zacapoaxtla (Smn), MX	daily rain	161.8 mm (6.4 in)	116.8 mm (4.6 in)	28 years	37 of 100 (Notable)
17 September 1979	Atzalan, MX	daily rain	119.9 mm (4.7 in)	57.4 mm (2.3 in)	53 years	37 of 100 (Notable)
17 September 1979	Las Vigas, MX	daily rain	199.9 mm (7.9 in)	63.0 mm (2.5 in)	28 years	37 of 100 (Notable)
17 September 1979	Tg Jiu, RO	daily low min	-0.5 C (31.1 F)	3.5 C (6.3 F)	66 years	37 of 100 (Notable)
17 September 1979	Walden, US	daily high max	26.7 C (80.1 F)	2.3 C (4.1 F)	80 years	37 of 100 (Notable)
17 September 1979	Cuero, US	daily low min	11.7 C (53.1 F)	2.7 C (4.9 F)	76 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

1796 to 1979

Records set or tied on this calendar date in each year from 1796 to 1979. 1979 had 804 records.

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

Records on 09-17 in each year
Year	Records
1796	1
1797	1
1805	1
1833	1
1834	1
1837	2
1845	1
1847	3
1848	1
1850	1
1851	2
1853	2
1854	2
1859	1
1862	1
1867	1
1870	1
1871	1
1872	1
1873	1
1874	1
1875	1
1877	1
1881	1
1882	2
1884	3
1885	3
1886	6
1888	2
1889	8
1891	1
1893	3
1894	1
1895	4
1896	9
1897	4
1898	7
1899	1
1900	4
1901	5
1902	5
1903	28
1904	2
1905	17
1906	10
1907	15
1908	13
1909	7
1910	38
1911	15
1912	17
1913	28
1914	38
1915	48
1916	40
1917	255
1918	41
1919	21
1920	40
1921	66
1922	47
1923	159
1924	80
1925	338
1926	154
1927	420
1928	78
1929	168
1930	147
1931	564
1932	425
1933	415
1934	246
1935	321
1936	219
1937	463
1938	363
1939	294
1940	326
1941	328
1942	581
1943	513
1944	403
1945	614
1946	620
1947	680
1948	630
1949	292
1950	412
1951	359
1952	263
1953	344
1954	449
1955	649
1956	437
1957	405
1958	806
1959	1,210
1960	385
1961	657
1962	432
1963	297
1964	559
1965	1,394
1966	523
1967	331
1968	691
1969	352
1970	412
1971	898
1972	556
1973	638
1974	491
1975	478
1976	636
1977	641
1978	764
1979	804
1980	794
1981	1,155
1982	606
1983	862
1984	1,006
1985	448
1986	1,314
1987	926
1988	982
1989	863
1990	650
1991	1,407
1992	686
1993	950
1994	986
1995	1,145
1996	1,342
1997	1,057
1998	1,137
1999	1,102
2000	1,318
2001	895
2002	1,025
2003	586
2004	872
2005	1,042
2006	1,344
2007	752
2008	886
2009	871
2010	907
2011	1,116
2012	597
2013	1,253
2014	571
2015	953
2016	707
2017	455
2018	899
2019	774
2020	651
2021	345
2022	313
2023	646
2024	954
2025	634
2026	968

Download the Data

Data for records on 1979-09-17: 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	585
20 to 40	14
40 to 60	1
60 to 80	1
80 to 100	1
100 to 120	2