Weather Records on 8 September 1940

297 weather records were set or tied worldwide on 8 September 1940. Highest significance: Jamestown, US.

Key Facts for 8 September 1940

On 8 September 1940, 297 weather records were set or tied at long-record stations worldwide.
173 were record highs and 54 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 293 daily.
Jamestown set a daily record precipitation of 59.7 mm (2.4 in) on 8 September 1940.
Across 170 earlier years (1802 to 2026) the same calendar date averaged 443 records.

Record Map

297 stations

297 station records on 8 September 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 September 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jamestown	United States	Record daily precipitation	59.7 mm (2.4 in)	45 of 100 (Notable)
Port Townsend	United States	Record high minimum temperature	18.3 C (64.9 F)	45 of 100 (Notable)
Watrap	India	Record daily precipitation	65.3 mm (2.6 in)	42 of 100 (Notable)
Cumbam	India	Record daily precipitation	48.3 mm (1.9 in)	34 of 100 (Routine)
Cuddalore	India	Record daily precipitation	65.5 mm (2.6 in)	33 of 100 (Routine)
Bucyrus	United States	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	30.8 C (87.4 F)	30 of 100 (Routine)
Shoshone 1 WNW	United States	Record high minimum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
St Joseph	United States	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Silchar	India	Record daily precipitation	115.6 mm (4.6 in)	28 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	16.2 C (61.2 F)	26 of 100 (Routine)
Federal Pt	United States	Record low maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Federal Pt	United States	Record daily precipitation	69.1 mm (2.7 in)	26 of 100 (Routine)
Greensburg 3 SE Unity	United States	Record daily precipitation	30.2 mm (1.2 in)	26 of 100 (Routine)
Pakala	India	Record daily precipitation	83.6 mm (3.3 in)	25 of 100 (Routine)
Yarmouth	Canada	Record low maximum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Udayagiri	India	Record daily precipitation	28.7 mm (1.1 in)	24 of 100 (Routine)
Charlotteburg Rsvr	United States	Record low minimum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Astoria	United States	Record high maximum temperature	30.0 C (86.0 F)	24 of 100 (Routine)
Walgett Council Depot	Australia	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
Vastervik	Sweden	Record low minimum temperature	1.2 C (34.2 F)	23 of 100 (Routine)
Deland 1 SSE	United States	Record low maximum temperature	27.2 C (81.0 F)	23 of 100 (Routine)
Chandragiri	India	Record daily precipitation	47.8 mm (1.9 in)	22 of 100 (Routine)
Palani	India	Record daily precipitation	33.0 mm (1.3 in)	22 of 100 (Routine)
Porthill	United States	Record high maximum temperature	31.7 C (89.1 F)	22 of 100 (Routine)
T.Narsipur	India	Record daily precipitation	58.9 mm (2.3 in)	21 of 100 (Routine)
Mayuram	India	Record daily precipitation	27.2 mm (1.1 in)	21 of 100 (Routine)
Battle Mtn	United States	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Jokkmokk	Sweden	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Tashkent	Uzbekistan	Record daily precipitation	4.6 mm (0.18 in)	20 of 100 (Routine)
Haparanda	Sweden	Record daily precipitation	16.2 mm (0.6 in)	20 of 100 (Routine)
Lakefield	Canada	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Kokshetay	Kazakhstan	Record daily precipitation	11.8 mm (0.5 in)	20 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record daily precipitation	7.7 mm (0.30 in)	20 of 100 (Routine)
Ibapah	United States	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Paragonah	United States	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Montello 2NE	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Falls City 2 SSW	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Lares	Puerto Rico [United States]	Record high maximum temperature	34.4 C (93.9 F)	20 of 100 (Routine)
Basel Binningen	Switzerland	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Dillon 1 E	United States	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
McGill	United States	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Colfax	United States	Record high minimum temperature	13.9 C (57.0 F)	20 of 100 (Routine)
Sussex	Canada	Record low maximum temperature	13.3 C (55.9 F)	19 of 100 (Routine)
Nelamangala	India	Record daily precipitation	22.9 mm (0.9 in)	19 of 100 (Routine)
Srinivaspur	India	Record daily precipitation	23.1 mm (0.9 in)	19 of 100 (Routine)
Delta	United States	Record high maximum temperature	36.1 C (97.0 F)	19 of 100 (Routine)
Alapaha Exp STN	United States	Record low maximum temperature	27.2 C (81.0 F)	19 of 100 (Routine)
Steamboat Springs	United States	Record high maximum temperature	30.6 C (87.1 F)	18 of 100 (Routine)
Waterdale	United States	Record high maximum temperature	34.4 C (93.9 F)	18 of 100 (Routine)
Geneva	United States	Record high maximum temperature	38.9 C (102.0 F)	18 of 100 (Routine)
Golconda	United States	Record high maximum temperature	36.1 C (97.0 F)	18 of 100 (Routine)
Elizabeth	United States	Record low minimum temperature	6.1 C (43.0 F)	18 of 100 (Routine)
Davenport	United States	Record high minimum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Rosalia	United States	Record high minimum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
S Bend AP	United States	Record daily precipitation	26.2 mm (1.0 in)	18 of 100 (Routine)
Rossland City Yard	Canada	Record high maximum temperature	30.6 C (87.1 F)	17 of 100 (Routine)
Samnanger	Norway	Record daily precipitation	74.0 mm (2.9 in)	17 of 100 (Routine)
Pieter Meintjies (Sar)	South Africa	Record daily precipitation	19.3 mm (0.8 in)	17 of 100 (Routine)
Payette	United States	Record high minimum temperature	17.2 C (63.0 F)	17 of 100 (Routine)

Counts by Type and Timescale

297 records

Records set or tied on 8 September 1940 by type: Highest daily maximum 95, Lowest daily maximum 16, Highest daily minimum 78, Lowest daily minimum 38, Heaviest daily rainfall 70.

Records on 8 September 1940 by type
Record type	Records
Highest daily maximum	95
Lowest daily maximum	16
Highest daily minimum	78
Lowest daily minimum	38
Heaviest daily rainfall	70
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 8 September 1940 by timescale: all-time 0, monthly 4, daily 293.

How Much Records Were Beaten By

213 broken records

Margins by which the 213 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 50.8. Ties are not counted.

Top 20 by Significance

8 September 1940

Top 20 records on 8 September 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 September 1940	Jamestown, US	daily rain	59.7 mm (2.4 in)	47.3 mm (1.9 in)	6 years	45 of 100 (Notable)
8 September 1940	Port Townsend, US	monthly high min	18.3 C (64.9 F)	3.3 C (5.9 F)	46 years	45 of 100 (Notable)
8 September 1940	Watrap, IN	daily rain	65.3 mm (2.6 in)	38.6 mm (1.5 in)	39 years	42 of 100 (Notable)
8 September 1940	Cumbam, IN	daily rain	48.3 mm (1.9 in)	37.6 mm (1.5 in)	24 years	34 of 100 (Routine)
8 September 1940	Cuddalore, IN	daily rain	65.5 mm (2.6 in)	50.8 mm (2.0 in)	16 years	33 of 100 (Routine)
8 September 1940	Bucyrus, US	daily rain	29.2 mm (1.1 in)	19.0 mm (0.7 in)	40 years	32 of 100 (Routine)
8 September 1940	Sydney (Observatory Hill), AU	daily high max	30.8 C (87.4 F)	3.9 C (7.0 F)	40 years	30 of 100 (Routine)
8 September 1940	Shoshone 1 WNW, US	monthly high min	20.6 C (69.1 F)	3.9 C (7.0 F)	32 years	30 of 100 (Routine)
8 September 1940	St Joseph, US	daily rain	50.8 mm (2.0 in)	29.5 mm (1.2 in)	16 years	29 of 100 (Routine)
8 September 1940	Silchar, IN	daily rain	115.6 mm (4.6 in)	47.0 mm (1.9 in)	15 years	28 of 100 (Routine)
8 September 1940	Sydney (Observatory Hill), AU	daily high min	16.2 C (61.2 F)	0.5 C (0.9 F)	59 years	26 of 100 (Routine)
8 September 1940	Federal Pt, US	daily low max	25.0 C (77.0 F)	2.8 C (5.0 F)	42 years	26 of 100 (Routine)
8 September 1940	Federal Pt, US	daily rain	69.1 mm (2.7 in)	40.4 mm (1.6 in)	10 years	26 of 100 (Routine)
8 September 1940	Greensburg 3 SE Unity, US	daily rain	30.2 mm (1.2 in)	16.5 mm (0.6 in)	27 years	26 of 100 (Routine)
8 September 1940	Pakala, IN	daily rain	83.6 mm (3.3 in)	32.8 mm (1.3 in)	21 years	25 of 100 (Routine)
8 September 1940	Yarmouth, CA	daily low max	12.2 C (54.0 F)	1.1 C (2.0 F)	46 years	24 of 100 (Routine)
8 September 1940	Udayagiri, IN	daily rain	28.7 mm (1.1 in)	19.8 mm (0.8 in)	32 years	24 of 100 (Routine)
8 September 1940	Charlotteburg Rsvr, US	daily low min	2.2 C (36.0 F)	3.9 C (7.0 F)	43 years	24 of 100 (Routine)
8 September 1940	Astoria, US	daily high max	30.0 C (86.0 F)	2.8 C (5.0 F)	38 years	24 of 100 (Routine)
8 September 1940	Walgett Council Depot, AU	daily high max	32.2 C (90.0 F)	0.5 C (0.9 F)	55 years	23 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

1802 to 1940

Records set or tied on this calendar date in each year from 1802 to 1940. 1940 had 297 records.

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

Records on 09-08 in each year
Year	Records
1802	1
1806	1
1813	1
1814	2
1815	2
1833	1
1837	1
1845	2
1847	2
1848	1
1850	2
1851	1
1854	1
1855	3
1857	1
1860	3
1864	1
1865	2
1866	1
1867	1
1868	1
1869	1
1870	1
1871	2
1872	2
1873	1
1877	1
1878	2
1879	4
1881	3
1883	2
1885	2
1886	1
1887	1
1888	1
1890	2
1891	1
1893	3
1894	9
1895	6
1896	2
1897	3
1898	5
1899	3
1900	4
1901	6
1902	3
1903	13
1904	4
1905	10
1906	14
1907	7
1908	4
1909	7
1910	9
1911	20
1912	62
1913	19
1914	37
1915	32
1916	25
1917	166
1918	31
1919	240
1920	59
1921	299
1922	206
1923	116
1924	138
1925	232
1926	141
1927	177
1928	93
1929	397
1930	156
1931	480
1932	465
1933	728
1934	407
1935	353
1936	535
1937	222
1938	397
1939	547
1940	297
1941	477
1942	375
1943	488
1944	769
1945	423
1946	325
1947	586
1948	340
1949	765
1950	570
1951	389
1952	382
1953	324
1954	309
1955	481
1956	717
1957	427
1958	480
1959	667
1960	678
1961	351
1962	682
1963	378
1964	294
1965	472
1966	351
1967	380
1968	308
1969	556
1970	582
1971	704
1972	523
1973	873
1974	626
1975	564
1976	639
1977	726
1978	1,165
1979	813
1980	739
1981	854
1982	605
1983	1,154
1984	1,123
1985	1,492
1986	1,203
1987	880
1988	856
1989	648
1990	747
1991	806
1992	869
1993	783
1994	704
1995	1,324
1996	609
1997	892
1998	1,331
1999	1,196
2000	981
2001	1,643
2002	1,238
2003	819
2004	1,576
2005	1,015
2006	850
2007	1,112
2008	878
2009	832
2010	1,143
2011	1,554
2012	813
2013	831
2014	515
2015	728
2016	951
2017	978
2018	724
2019	903
2020	1,952
2021	1,080
2022	1,567
2023	1,242
2024	1,336
2025	707
2026	699

Download the Data

Data for records on 1940-09-08: 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 8 September 1940
Margin	Records
0 to 10	192
10 to 20	10
20 to 30	3
30 to 40	4
40 to 50	3
50 to 60	1