Weather Records on 16 September 1940

188 weather records were set or tied worldwide on 16 September 1940. Highest significance: Chatham, CA.

Key Facts for 16 September 1940

On 16 September 1940, 188 weather records were set or tied at long-record stations worldwide.
71 were record highs and 60 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 186 daily.
Chatham set a daily record precipitation of 64.8 mm (2.6 in) on 16 September 1940.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 415 records.

Record Map

188 stations

188 station records on 16 September 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 September 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chatham	Canada	Record daily precipitation	64.8 mm (2.6 in)	62 of 100 (Major)
Saint John	Canada	Record daily precipitation	117.9 mm (4.6 in)	54 of 100 (Notable)
Eastport	United States	Record daily precipitation	66.3 mm (2.6 in)	52 of 100 (Notable)
St Albans	Canada	Record daily precipitation	56.6 mm (2.2 in)	47 of 100 (Notable)
Point Escuminac	Canada	Record daily precipitation	52.8 mm (2.1 in)	46 of 100 (Notable)
Digby	Canada	Record daily precipitation	113.0 mm (4.4 in)	42 of 100 (Notable)
Gormandale East	Australia	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)
Gainesville UNIV of Fl	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Bathurst	Canada	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Arcadia	United States	Record low minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Fredericton Unb	Canada	Record daily precipitation	62.2 mm (2.4 in)	30 of 100 (Routine)
Windsor Kings College	Canada	Record daily precipitation	37.8 mm (1.5 in)	29 of 100 (Routine)
Coringa(Corinza)	India	Record daily precipitation	71.6 mm (2.8 in)	29 of 100 (Routine)
Waycross 4 NE	United States	Record low minimum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Karwi	India	Record daily precipitation	73.7 mm (2.9 in)	27 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low minimum temperature	7.1 C (44.8 F)	26 of 100 (Routine)
Monticello 5 SE	United States	Record low minimum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Quitman 2 NW	United States	Record low minimum temperature	13.3 C (55.9 F)	25 of 100 (Routine)
Moncton	Canada	Record daily precipitation	48.5 mm (1.9 in)	23 of 100 (Routine)
Yarmouth	Canada	Record daily precipitation	92.5 mm (3.6 in)	22 of 100 (Routine)
Valley Head	United States	Record low minimum temperature	0.6 C (33.1 F)	22 of 100 (Routine)
Raiford State Prison	United States	Record low minimum temperature	13.3 C (55.9 F)	22 of 100 (Routine)
Tallahassee	United States	Record low minimum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Ewa Plantation 741	United States	Record high maximum temperature	32.8 C (91.0 F)	22 of 100 (Routine)
Sandvig	Denmark	Record low maximum temperature	11.7 C (53.1 F)	21 of 100 (Routine)
Eustis 2 S	United States	Record low minimum temperature	16.1 C (61.0 F)	21 of 100 (Routine)
Wangerooge	Germany	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Liepaja	Latvia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Ukiah	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Laverton	Australia	Record daily precipitation	5.8 mm (0.23 in)	20 of 100 (Routine)
Ventspils	Latvia	Record daily precipitation	17.2 mm (0.7 in)	20 of 100 (Routine)
Durham	United Kingdom	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Deland 1 SSE	United States	Record low minimum temperature	15.6 C (60.1 F)	20 of 100 (Routine)
Houma	United States	Record low minimum temperature	13.3 C (55.9 F)	20 of 100 (Routine)
Pearlington	United States	Record low minimum temperature	12.8 C (55.0 F)	20 of 100 (Routine)
Augusta	United States	Record high minimum temperature	15.6 C (60.1 F)	20 of 100 (Routine)
Dillon U of Montana Western	United States	Record daily precipitation	4.1 mm (0.16 in)	20 of 100 (Routine)
Haigler	United States	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Blanco	United States	Record low minimum temperature	11.1 C (52.0 F)	20 of 100 (Routine)
Cle Elum	United States	Record high minimum temperature	16.1 C (61.0 F)	20 of 100 (Routine)
Tuba City	United States	Record daily precipitation	3.8 mm (0.15 in)	19 of 100 (Routine)
Vacaville	United States	Record daily precipitation	1.5 mm (0.06 in)	19 of 100 (Routine)
Bainbridge	United States	Record low minimum temperature	12.8 C (55.0 F)	19 of 100 (Routine)
Jacksonville Wb City	United States	Record low minimum temperature	16.7 C (62.1 F)	19 of 100 (Routine)
Gird	India	Record daily precipitation	45.7 mm (1.8 in)	18 of 100 (Routine)
Colusa Brg	United States	Record daily precipitation	0.3 mm (0.01 in)	18 of 100 (Routine)
Walnut Creek 2 ESE	United States	Record daily precipitation	0.3 mm (0.01 in)	18 of 100 (Routine)
Lake City 2 E	United States	Record low minimum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Pahala 21	United States	Record daily precipitation	16.5 mm (0.6 in)	18 of 100 (Routine)
Woodstock	Canada	Record daily precipitation	42.7 mm (1.7 in)	17 of 100 (Routine)
Hoburg	Sweden	Record daily precipitation	17.1 mm (0.7 in)	17 of 100 (Routine)
Davis 2 WSW Exp Farm	United States	Record daily precipitation	1.0 mm (0.04 in)	17 of 100 (Routine)
St Augustine	United States	Record low minimum temperature	15.6 C (60.1 F)	17 of 100 (Routine)
Cambridge	United States	Record daily precipitation	16.0 mm (0.6 in)	17 of 100 (Routine)
Lovelock	United States	Record daily precipitation	0.3 mm (0.01 in)	17 of 100 (Routine)
Pembina	United States	Record high maximum temperature	30.6 C (87.1 F)	17 of 100 (Routine)
Salem AP (McNary Field)	United States	Record high minimum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Buenos Aires Observ	Argentina	Record high minimum temperature	15.4 C (59.7 F)	16 of 100 (Routine)
Pialba Post Office	Australia	Record daily precipitation	13.0 mm (0.5 in)	16 of 100 (Routine)

Counts by Type and Timescale

188 records

Records set or tied on 16 September 1940 by type: Highest daily maximum 26, Lowest daily maximum 12, Highest daily minimum 45, Lowest daily minimum 48, Heaviest daily rainfall 57.

Records on 16 September 1940 by type
Record type	Records
Highest daily maximum	26
Lowest daily maximum	12
Highest daily minimum	45
Lowest daily minimum	48
Heaviest daily rainfall	57
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 16 September 1940 by timescale: all-time 0, monthly 2, daily 186.

How Much Records Were Beaten By

148 broken records

Margins by which the 148 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.5. Ties are not counted.

Top 20 by Significance

16 September 1940

Top 20 records on 16 September 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 September 1940	Chatham, CA	daily rain	64.8 mm (2.6 in)	44.0 mm (1.7 in)	55 years	62 of 100 (Major)
16 September 1940	Saint John, CA	monthly rain	117.9 mm (4.6 in)	40.2 mm (1.6 in)	2 years	54 of 100 (Notable)
16 September 1940	Eastport, US	daily rain	66.3 mm (2.6 in)	39.1 mm (1.5 in)	24 years	52 of 100 (Notable)
16 September 1940	St Albans, CA	daily rain	56.6 mm (2.2 in)	35.0 mm (1.4 in)	7 years	47 of 100 (Notable)
16 September 1940	Point Escuminac, CA	daily rain	52.8 mm (2.1 in)	40.9 mm (1.6 in)	5 years	46 of 100 (Notable)
16 September 1940	Digby, CA	daily rain	113.0 mm (4.4 in)	62.5 mm (2.5 in)	5 years	42 of 100 (Notable)
16 September 1940	Gormandale East, AU	daily rain	41.9 mm (1.6 in)	19.3 mm (0.8 in)	28 years	41 of 100 (Notable)
16 September 1940	Gainesville UNIV of Fl, US	daily low min	13.9 C (57.0 F)	2.8 C (5.0 F)	48 years	33 of 100 (Routine)
16 September 1940	Bathurst, CA	daily rain	50.8 mm (2.0 in)	25.4 mm (1.0 in)	5 years	32 of 100 (Routine)
16 September 1940	Arcadia, US	daily low min	16.7 C (62.1 F)	2.7 C (4.9 F)	30 years	31 of 100 (Routine)
16 September 1940	Fredericton Unb, CA	daily rain	62.2 mm (2.4 in)	11.4 mm (0.4 in)	46 years	30 of 100 (Routine)
16 September 1940	Windsor Kings College, CA	daily rain	37.8 mm (1.5 in)	19.0 mm (0.7 in)	18 years	29 of 100 (Routine)
16 September 1940	Coringa(Corinza), IN	daily rain	71.6 mm (2.8 in)	45.7 mm (1.8 in)	18 years	29 of 100 (Routine)
16 September 1940	Waycross 4 NE, US	daily low min	11.7 C (53.1 F)	4.4 C (7.9 F)	32 years	28 of 100 (Routine)
16 September 1940	Karwi, IN	daily rain	73.7 mm (2.9 in)	40.4 mm (1.6 in)	30 years	27 of 100 (Routine)
16 September 1940	Nuwara Eliya, LK	daily low min	7.1 C (44.8 F)	0.6 C (1.1 F)	54 years	26 of 100 (Routine)
16 September 1940	Monticello 5 SE, US	daily low min	13.3 C (55.9 F)	3.4 C (6.1 F)	36 years	26 of 100 (Routine)
16 September 1940	Quitman 2 NW, US	daily low min	13.3 C (55.9 F)	3.9 C (7.0 F)	23 years	25 of 100 (Routine)
16 September 1940	Moncton, CA	daily rain	48.5 mm (1.9 in)	12.9 mm (0.5 in)	18 years	23 of 100 (Routine)
16 September 1940	Yarmouth, CA	monthly rain	92.5 mm (3.6 in)	5.4 mm (0.21 in)	3 years	22 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

1793 to 1940

Records set or tied on this calendar date in each year from 1793 to 1940. 1940 had 188 records.

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

Records on 09-16 in each year
Year	Records
1793	1
1796	1
1807	1
1809	1
1823	2
1828	1
1829	1
1833	1
1837	1
1845	1
1847	1
1848	2
1850	1
1852	1
1854	2
1857	1
1861	1
1865	1
1866	1
1867	1
1869	1
1873	1
1874	3
1875	2
1877	4
1879	1
1882	1
1884	2
1885	5
1886	1
1887	2
1888	1
1889	9
1890	1
1892	2
1893	2
1894	1
1895	2
1896	3
1897	2
1898	6
1899	4
1900	5
1901	7
1902	3
1903	18
1904	5
1905	9
1906	12
1907	14
1908	15
1909	18
1910	26
1911	18
1912	58
1913	43
1914	35
1915	50
1916	60
1917	180
1918	125
1919	26
1920	164
1921	62
1922	147
1923	151
1924	77
1925	212
1926	116
1927	382
1928	62
1929	121
1930	235
1931	568
1932	533
1933	321
1934	519
1935	303
1936	442
1937	536
1938	296
1939	666
1940	188
1941	319
1942	504
1943	270
1944	284
1945	390
1946	610
1947	763
1948	541
1949	486
1950	506
1951	290
1952	378
1953	317
1954	554
1955	490
1956	605
1957	500
1958	538
1959	983
1960	235
1961	833
1962	479
1963	491
1964	859
1965	1,159
1966	838
1967	427
1968	496
1969	360
1970	627
1971	617
1972	451
1973	608
1974	385
1975	836
1976	878
1977	577
1978	421
1979	1,025
1980	568
1981	765
1982	863
1983	814
1984	898
1985	539
1986	862
1987	783
1988	786
1989	854
1990	593
1991	1,367
1992	1,073
1993	1,542
1994	1,008
1995	976
1996	1,403
1997	1,028
1998	1,466
1999	879
2000	1,315
2001	819
2002	1,117
2003	627
2004	746
2005	1,112
2006	1,274
2007	895
2008	1,000
2009	754
2010	880
2011	1,265
2012	572
2013	673
2014	490
2015	926
2016	767
2017	583
2018	921
2019	742
2020	674
2021	454
2022	521
2023	568
2024	885
2025	578
2026	920

Download the Data

Data for records on 1940-09-16: 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 10	131
10 to 20	8
20 to 30	1
30 to 40	2
40 to 50	5
50 to 60	0
60 to 70	1