Weather Records on 14 September 1940

415 weather records were set or tied worldwide on 14 September 1940. Highest significance: Hedal I Valdres, NO.

Key Facts for 14 September 1940

On 14 September 1940, 415 weather records were set or tied at long-record stations worldwide.
66 were record highs and 164 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 411 daily.
Hedal I Valdres set a daily record precipitation of 49.2 mm (1.9 in) on 14 September 1940.
Across 159 earlier years (1814 to 2026) the same calendar date averaged 441 records.

Record Map

415 stations

415 station records on 14 September 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 14 September 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hedal I Valdres	Norway	Record daily precipitation	49.2 mm (1.9 in)	43 of 100 (Notable)
Kursk	Russia	Record daily precipitation	26.0 mm (1.0 in)	38 of 100 (Notable)
Jeanerette 5 NW	United States	Record low minimum temperature	11.1 C (52.0 F)	38 of 100 (Notable)
Rjukan	Norway	Record daily precipitation	53.2 mm (2.1 in)	34 of 100 (Routine)
Tuttlingen	Germany	Record daily precipitation	37.6 mm (1.5 in)	31 of 100 (Routine)
Zagreb-Gric	Croatia	Record daily precipitation	38.0 mm (1.5 in)	31 of 100 (Routine)
Cheboygan	United States	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Hedrum	Norway	Record daily precipitation	40.1 mm (1.6 in)	30 of 100 (Routine)
Waycross 4 NE	United States	Record low minimum temperature	10.6 C (51.1 F)	30 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	65.5 mm (2.6 in)	29 of 100 (Routine)
Arhangelsk	Russia	Record high minimum temperature	13.1 C (55.6 F)	28 of 100 (Routine)
Biddelia	Australia	Record daily precipitation	38.9 mm (1.5 in)	27 of 100 (Routine)
Pecs Pogany	Hungary	Record daily precipitation	27.7 mm (1.1 in)	27 of 100 (Routine)
Tuddal	Norway	Record daily precipitation	62.5 mm (2.5 in)	26 of 100 (Routine)
Liberty	United States	Record low minimum temperature	7.8 C (46.0 F)	26 of 100 (Routine)
Babb 6 NE	United States	Record daily precipitation	29.0 mm (1.1 in)	25 of 100 (Routine)
Quitman 2 NW	United States	Record low minimum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Saint Ignatius	United States	Record high minimum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Camden 3 W	United States	Record low minimum temperature	9.4 C (48.9 F)	24 of 100 (Routine)
Cuero	United States	Record low minimum temperature	11.7 C (53.1 F)	24 of 100 (Routine)
Marshall	United States	Record low minimum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Clayoquot	Canada	Record high minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Timovskoe	Russia	Record low minimum temperature	-1.6 C (29.1 F)	23 of 100 (Routine)
Visby_Flygplats	Sweden	Record low minimum temperature	3.2 C (37.8 F)	23 of 100 (Routine)
Highland Home	United States	Record low minimum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Alapaha Exp STN	United States	Record low minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Priest Rvr Exp STN	United States	Record high minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
San Marcos	United States	Record low minimum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Herefoss	Norway	Record daily precipitation	50.0 mm (2.0 in)	22 of 100 (Routine)
Bainbridge	United States	Record low minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Grand Cane Fire Twr	United States	Record low minimum temperature	7.2 C (45.0 F)	22 of 100 (Routine)
Laurel	United States	Record low minimum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Blanco	United States	Record low minimum temperature	7.8 C (46.0 F)	22 of 100 (Routine)
Clarksville 2NE	United States	Record low minimum temperature	7.8 C (46.0 F)	22 of 100 (Routine)
Quesnel	Canada	Record high minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Moyna	India	Record daily precipitation	43.2 mm (1.7 in)	21 of 100 (Routine)
Vytegra	Russia	Record high minimum temperature	12.5 C (54.5 F)	21 of 100 (Routine)
Monticello 5 SE	United States	Record low minimum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Mt Pleasant 2 W	United States	Record low minimum temperature	12.2 C (54.0 F)	21 of 100 (Routine)
Americus	United States	Record low minimum temperature	10.6 C (51.1 F)	21 of 100 (Routine)
Thomasville 7 NE	United States	Record low minimum temperature	13.9 C (57.0 F)	21 of 100 (Routine)
Pella	South Africa	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Reitz 36	South Africa	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Harrismith (Tnk)	South Africa	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Cassilis Post Office	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Coonamble (Warrana)	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Biamble	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Warren (Frawley St)	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Brantford	Canada	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Neilrex (Caigan)	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Gooloogong Post Office	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Sion 2	Switzerland	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Meilman	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Peak Hill Post Office	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Gilgandra (Berida)	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Shepherds Creek	Australia	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Ilford (Warrangunyah)	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Bassett Downs	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Sunny Corner (Snow Line)	Australia	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

415 records

Records set or tied on 14 September 1940 by type: Highest daily maximum 8, Lowest daily maximum 10, Highest daily minimum 58, Lowest daily minimum 154, Heaviest daily rainfall 185.

Records on 14 September 1940 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	10
Highest daily minimum	58
Lowest daily minimum	154
Heaviest daily rainfall	185
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 14 September 1940 by timescale: all-time 0, monthly 4, daily 411.

How Much Records Were Beaten By

350 broken records

Margins by which the 350 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.0. Ties are not counted.

Top 20 by Significance

14 September 1940

Top 20 records on 14 September 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 September 1940	Hedal I Valdres, NO	daily rain	49.2 mm (1.9 in)	25.0 mm (1.0 in)	26 years	43 of 100 (Notable)
14 September 1940	Kursk, RU	daily rain	26.0 mm (1.0 in)	15.0 mm (0.6 in)	18 years	38 of 100 (Notable)
14 September 1940	Jeanerette 5 NW, US	daily low min	11.1 C (52.0 F)	6.7 C (12.1 F)	46 years	38 of 100 (Notable)
14 September 1940	Rjukan, NO	daily rain	53.2 mm (2.1 in)	17.7 mm (0.7 in)	34 years	34 of 100 (Routine)
14 September 1940	Tuttlingen, DE	daily rain	37.6 mm (1.5 in)	14.5 mm (0.6 in)	27 years	31 of 100 (Routine)
14 September 1940	Zagreb-Gric, HR	daily rain	38.0 mm (1.5 in)	1.9 mm (0.07 in)	75 years	31 of 100 (Routine)
14 September 1940	Cheboygan, US	daily rain	40.6 mm (1.6 in)	21.3 mm (0.8 in)	19 years	31 of 100 (Routine)
14 September 1940	Hedrum, NO	daily rain	40.1 mm (1.6 in)	18.6 mm (0.7 in)	34 years	30 of 100 (Routine)
14 September 1940	Waycross 4 NE, US	daily low min	10.6 C (51.1 F)	5.5 C (9.9 F)	26 years	30 of 100 (Routine)
14 September 1940	Postmyr I Drangedal, NO	daily rain	65.5 mm (2.6 in)	24.0 mm (0.9 in)	17 years	29 of 100 (Routine)
14 September 1940	Arhangelsk, RU	daily high min	13.1 C (55.6 F)	1.9 C (3.4 F)	56 years	28 of 100 (Routine)
14 September 1940	Biddelia, AU	daily rain	38.9 mm (1.5 in)	19.3 mm (0.8 in)	17 years	27 of 100 (Routine)
14 September 1940	Pecs Pogany, HU	daily rain	27.7 mm (1.1 in)	14.2 mm (0.6 in)	12 years	27 of 100 (Routine)
14 September 1940	Tuddal, NO	monthly rain	62.5 mm (2.5 in)	9.7 mm (0.38 in)	6 years	26 of 100 (Routine)
14 September 1940	Liberty, US	daily low min	7.8 C (46.0 F)	7.8 C (14.0 F)	3 years	26 of 100 (Routine)
14 September 1940	Babb 6 NE, US	daily rain	29.0 mm (1.1 in)	18.8 mm (0.7 in)	13 years	25 of 100 (Routine)
14 September 1940	Quitman 2 NW, US	daily low min	13.9 C (57.0 F)	2.2 C (4.0 F)	38 years	24 of 100 (Routine)
14 September 1940	Saint Ignatius, US	daily high min	12.2 C (54.0 F)	3.3 C (5.9 F)	42 years	24 of 100 (Routine)
14 September 1940	Camden 3 W, US	daily low min	9.4 C (48.9 F)	3.4 C (6.1 F)	26 years	24 of 100 (Routine)
14 September 1940	Cuero, US	daily low min	11.7 C (53.1 F)	3.3 C (5.9 F)	38 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

1814 to 1940

Records set or tied on this calendar date in each year from 1814 to 1940. 1940 had 415 records.

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

Records on 09-14 in each year
Year	Records
1814	1
1828	1
1830	1
1831	1
1833	1
1835	1
1837	3
1848	1
1854	1
1861	1
1867	2
1868	2
1870	1
1872	1
1873	3
1874	1
1876	2
1879	1
1880	1
1882	1
1886	5
1887	3
1888	1
1889	1
1890	1
1891	2
1893	1
1894	2
1895	2
1896	1
1897	2
1898	4
1899	2
1900	2
1901	11
1902	12
1903	34
1904	13
1905	12
1906	14
1907	7
1908	16
1909	31
1910	9
1911	61
1912	50
1913	36
1914	31
1915	116
1916	13
1917	30
1918	35
1919	166
1920	108
1921	38
1922	77
1923	279
1924	95
1925	206
1926	49
1927	455
1928	116
1929	185
1930	197
1931	652
1932	211
1933	365
1934	181
1935	636
1936	609
1937	406
1938	335
1939	1,007
1940	415
1941	227
1942	186
1943	281
1944	293
1945	691
1946	379
1947	718
1948	504
1949	640
1950	327
1951	422
1952	469
1953	680
1954	275
1955	469
1956	479
1957	490
1958	254
1959	702
1960	599
1961	956
1962	339
1963	592
1964	658
1965	640
1966	888
1967	355
1968	369
1969	429
1970	1,351
1971	549
1972	409
1973	854
1974	622
1975	880
1976	547
1977	572
1978	663
1979	957
1980	543
1981	486
1982	1,012
1983	623
1984	855
1985	736
1986	716
1987	856
1988	781
1989	1,127
1990	1,088
1991	999
1992	677
1993	2,279
1994	1,143
1995	904
1996	1,091
1997	786
1998	2,049
1999	854
2000	997
2001	813
2002	899
2003	821
2004	762
2005	878
2006	1,009
2007	672
2008	1,437
2009	843
2010	938
2011	1,132
2012	634
2013	760
2014	758
2015	888
2016	1,387
2017	677
2018	632
2019	524
2020	671
2021	419
2022	612
2023	507
2024	838
2025	527
2026	783

Download the Data

Data for records on 1940-09-14: 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).

Margin	Records
0 to 5	274
5 to 10	46
10 to 15	15
15 to 20	8
20 to 25	7