Weather Records on 19 September 1939

292 weather records were set or tied worldwide on 19 September 1939. Highest significance: San Jacinto, US.

Key Facts for 19 September 1939

On 19 September 1939, 292 weather records were set or tied at long-record stations worldwide.
160 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 282 daily.
San Jacinto set a monthly record daily precipitation of 73.7 mm (2.9 in) on 19 September 1939.
Across 166 earlier years (1805 to 2026) the same calendar date averaged 415 records.

Record Map

292 stations

292 station records on 19 September 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 September 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
San Jacinto	United States	Record daily precipitation	73.7 mm (2.9 in)	57 of 100 (Notable)
Barkestad	Norway	Record daily precipitation	42.2 mm (1.7 in)	43 of 100 (Notable)
Berkeley	United States	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Krakmo	Norway	Record daily precipitation	59.2 mm (2.3 in)	38 of 100 (Notable)
Florence	United States	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
Decatur	United States	Record daily precipitation	39.6 mm (1.6 in)	30 of 100 (Routine)
Brookhaven City	United States	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Kustanai	Kazakhstan	Record low minimum temperature	-8.2 C (17.2 F)	29 of 100 (Routine)
Newport	United States	Record high maximum temperature	28.3 C (82.9 F)	28 of 100 (Routine)
Irishtown	Australia	Record daily precipitation	27.9 mm (1.1 in)	27 of 100 (Routine)
Santa Maria	United States	Record high maximum temperature	35.6 C (96.1 F)	27 of 100 (Routine)
Riksgransen	Sweden	Record daily precipitation	28.9 mm (1.1 in)	26 of 100 (Routine)
Ft Bidwell	United States	Record high maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
Sierra Madre Henszey	United States	Record high maximum temperature	41.1 C (106.0 F)	26 of 100 (Routine)
University Exp STN	United States	Record low minimum temperature	-13.9 C (7.0 F)	26 of 100 (Routine)
Karlstad	Sweden	Record high maximum temperature	22.2 C (72.0 F)	25 of 100 (Routine)
Represa	United States	Record high minimum temperature	27.2 C (81.0 F)	25 of 100 (Routine)
San Diego Wbo	United States	Record high maximum temperature	35.6 C (96.1 F)	25 of 100 (Routine)
Loretto	United States	Record daily precipitation	27.2 mm (1.1 in)	25 of 100 (Routine)
Demopolis Lock 4	United States	Record daily precipitation	40.6 mm (1.6 in)	24 of 100 (Routine)
San Jose	United States	Record high minimum temperature	20.0 C (68.0 F)	24 of 100 (Routine)
Chimur	India	Record daily precipitation	54.4 mm (2.1 in)	23 of 100 (Routine)
New River	United States	Record daily precipitation	29.2 mm (1.1 in)	23 of 100 (Routine)
Burrwood Wb	United States	Record daily precipitation	153.4 mm (6.0 in)	23 of 100 (Routine)
Escondido	United States	Record high maximum temperature	41.7 C (107.1 F)	21 of 100 (Routine)
Santa Barbara	United States	Record high minimum temperature	20.6 C (69.1 F)	21 of 100 (Routine)
San Diego Wbo	United States	Record daily precipitation	4.8 mm (0.19 in)	20 of 100 (Routine)
Elsinore	United States	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record daily precipitation	15.1 mm (0.6 in)	20 of 100 (Routine)
Escondido	United States	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Lemon Cove	United States	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Atlin	Canada	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Vasilevici	Belarus	Record high minimum temperature	14.1 C (57.4 F)	20 of 100 (Routine)
Simferopol	Ukraine	Record high minimum temperature	14.4 C (57.9 F)	20 of 100 (Routine)
Chico UNIV Farm	United States	Record high minimum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Vacaville	United States	Record high minimum temperature	20.6 C (69.1 F)	20 of 100 (Routine)
Storrs	United States	Record low minimum temperature	0.6 C (33.1 F)	20 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record high maximum temperature	36.7 C (98.1 F)	20 of 100 (Routine)
Hyannis	United States	Record low minimum temperature	5.6 C (42.1 F)	20 of 100 (Routine)
Flatonia 4SE	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Koloa 936	United States	Record low minimum temperature	16.1 C (61.0 F)	20 of 100 (Routine)
Alur	India	Record daily precipitation	49.3 mm (1.9 in)	19 of 100 (Routine)
Jamkhandi	India	Record daily precipitation	77.5 mm (3.1 in)	19 of 100 (Routine)
Uralsk	Kazakhstan	Record low minimum temperature	-2.5 C (27.5 F)	19 of 100 (Routine)
Bezenchuk	Russia	Record low maximum temperature	7.6 C (45.7 F)	19 of 100 (Routine)
Represa	United States	Record high maximum temperature	35.0 C (95.0 F)	19 of 100 (Routine)
Santa Maria	United States	Record high minimum temperature	18.9 C (66.0 F)	19 of 100 (Routine)
Kosciusko	United States	Record daily precipitation	40.9 mm (1.6 in)	19 of 100 (Routine)
Plymouth	United States	Record low minimum temperature	-2.8 C (27.0 F)	19 of 100 (Routine)
Huehue 92.1	United States	Record daily precipitation	73.7 mm (2.9 in)	19 of 100 (Routine)
St Georges	Canada	Record low minimum temperature	-1.1 C (30.0 F)	18 of 100 (Routine)
Markapur	India	Record daily precipitation	35.6 mm (1.4 in)	18 of 100 (Routine)
Haparanda	Sweden	Record high maximum temperature	16.5 C (61.7 F)	18 of 100 (Routine)
Corning	United States	Record high maximum temperature	34.4 C (93.9 F)	18 of 100 (Routine)
Ft Ross	United States	Record daily precipitation	3.8 mm (0.15 in)	18 of 100 (Routine)
Nevada City	United States	Record high minimum temperature	13.9 C (57.0 F)	18 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	22.2 C (72.0 F)	18 of 100 (Routine)
Toccoa	United States	Record low maximum temperature	19.4 C (66.9 F)	18 of 100 (Routine)
Cascade Locks	United States	Record high maximum temperature	31.7 C (89.1 F)	18 of 100 (Routine)
Parrsboro	Canada	Record low minimum temperature	-1.7 C (28.9 F)	17 of 100 (Routine)

Counts by Type and Timescale

292 records

Records set or tied on 19 September 1939 by type: Highest daily maximum 88, Lowest daily maximum 15, Highest daily minimum 72, Lowest daily minimum 55, Heaviest daily rainfall 61, Heaviest daily snowfall 1.

Records on 19 September 1939 by type
Record type	Records
Highest daily maximum	88
Lowest daily maximum	15
Highest daily minimum	72
Lowest daily minimum	55
Heaviest daily rainfall	61
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 19 September 1939 by timescale: all-time 0, monthly 10, daily 282.

How Much Records Were Beaten By

211 broken records

Margins by which the 211 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.2. Ties are not counted.

Top 20 by Significance

19 September 1939

Top 20 records on 19 September 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 September 1939	San Jacinto, US	monthly rain	73.7 mm (2.9 in)	43.2 mm (1.7 in)	10 years	57 of 100 (Notable)
19 September 1939	Barkestad, NO	daily rain	42.2 mm (1.7 in)	23.7 mm (0.9 in)	36 years	43 of 100 (Notable)
19 September 1939	Berkeley, US	daily high min	18.9 C (66.0 F)	4.5 C (8.1 F)	32 years	40 of 100 (Notable)
19 September 1939	Krakmo, NO	daily rain	59.2 mm (2.3 in)	25.1 mm (1.0 in)	32 years	38 of 100 (Notable)
19 September 1939	Florence, US	daily rain	35.1 mm (1.4 in)	27.0 mm (1.1 in)	33 years	32 of 100 (Routine)
19 September 1939	Decatur, US	daily rain	39.6 mm (1.6 in)	13.2 mm (0.5 in)	46 years	30 of 100 (Routine)
19 September 1939	Brookhaven City, US	daily rain	50.8 mm (2.0 in)	42.4 mm (1.7 in)	8 years	30 of 100 (Routine)
19 September 1939	Kustanai, KZ	daily low min	-8.2 C (17.2 F)	7.7 C (13.9 F)	26 years	29 of 100 (Routine)
19 September 1939	Newport, US	daily high max	28.3 C (82.9 F)	3.9 C (7.0 F)	41 years	28 of 100 (Routine)
19 September 1939	Irishtown, AU	daily rain	27.9 mm (1.1 in)	13.2 mm (0.5 in)	16 years	27 of 100 (Routine)
19 September 1939	Santa Maria, US	daily high max	35.6 C (96.1 F)	5.0 C (9.0 F)	26 years	27 of 100 (Routine)
19 September 1939	Riksgransen, SE	daily rain	28.9 mm (1.1 in)	15.0 mm (0.6 in)	1 year	26 of 100 (Routine)
19 September 1939	Ft Bidwell, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	61 years	26 of 100 (Routine)
19 September 1939	Sierra Madre Henszey, US	daily high max	41.1 C (106.0 F)	5.0 C (9.0 F)	39 years	26 of 100 (Routine)
19 September 1939	University Exp STN, US	monthly low min	-13.9 C (7.0 F)	2.2 C (4.0 F)	29 years	26 of 100 (Routine)
19 September 1939	Karlstad, SE	daily high max	22.2 C (72.0 F)	3.6 C (6.5 F)	32 years	25 of 100 (Routine)
19 September 1939	Represa, US	monthly high min	27.2 C (81.0 F)	1.6 C (2.9 F)	22 years	25 of 100 (Routine)
19 September 1939	San Diego Wbo, US	daily high max	35.6 C (96.1 F)	5.0 C (9.0 F)	4 years	25 of 100 (Routine)
19 September 1939	Loretto, US	daily rain	27.2 mm (1.1 in)	19.6 mm (0.8 in)	32 years	25 of 100 (Routine)
19 September 1939	Demopolis Lock 4, US	daily rain	40.6 mm (1.6 in)	23.3 mm (0.9 in)	25 years	24 of 100 (Routine)

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

1805 to 1939

Records set or tied on this calendar date in each year from 1805 to 1939. 1939 had 292 records.

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

Records on 09-19 in each year
Year	Records
1805	1
1818	1
1820	1
1825	1
1830	1
1833	1
1834	1
1837	1
1847	1
1848	1
1849	3
1851	2
1854	1
1855	1
1856	1
1859	1
1862	1
1865	2
1866	1
1869	1
1872	1
1874	1
1875	3
1877	2
1881	2
1882	4
1884	2
1885	1
1886	3
1887	2
1888	1
1889	7
1890	1
1893	3
1894	2
1895	5
1896	2
1897	4
1898	2
1899	2
1900	2
1901	17
1902	6
1903	16
1904	9
1905	18
1906	33
1907	9
1908	5
1909	16
1910	16
1911	4
1912	39
1913	200
1914	48
1915	174
1916	38
1917	134
1918	62
1919	52
1920	53
1921	109
1922	81
1923	83
1924	90
1925	356
1926	171
1927	152
1928	211
1929	435
1930	154
1931	400
1932	292
1933	343
1934	171
1935	240
1936	152
1937	331
1938	519
1939	292
1940	459
1941	430
1942	830
1943	540
1944	406
1945	417
1946	802
1947	694
1948	457
1949	303
1950	474
1951	240
1952	545
1953	467
1954	557
1955	578
1956	661
1957	638
1958	354
1959	774
1960	344
1961	445
1962	387
1963	403
1964	350
1965	1,080
1966	529
1967	417
1968	433
1969	493
1970	437
1971	1,127
1972	629
1973	438
1974	637
1975	570
1976	390
1977	719
1978	1,139
1979	727
1980	591
1981	1,462
1982	594
1983	1,630
1984	970
1985	926
1986	737
1987	1,113
1988	973
1989	911
1990	874
1991	2,027
1992	752
1993	885
1994	736
1995	1,096
1996	1,069
1997	1,107
1998	1,039
1999	611
2000	947
2001	1,188
2002	866
2003	1,094
2004	964
2005	814
2006	851
2007	633
2008	647
2009	700
2010	1,414
2011	848
2012	775
2013	578
2014	715
2015	520
2016	999
2017	703
2018	871
2019	584
2020	668
2021	511
2022	666
2023	622
2024	707
2025	554
2026	711

Download the Data

Data for records on 1939-09-19: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Histogram of margins by which records were beaten on 19 September 1939
Margin	Records
0 to 10	189
10 to 20	13
20 to 30	6
30 to 40	1
40 to 50	2