Weather Records on 9 September 1942

357 weather records were set or tied worldwide on 9 September 1942. Highest significance: Ottawa Cda, CA.

Key Facts for 9 September 1942

On 9 September 1942, 357 weather records were set or tied at long-record stations worldwide.
146 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 7 monthly and 348 daily.
Ottawa Cda set an all-time record daily precipitation of 93.2 mm (3.7 in) on 9 September 1942.
Across 162 earlier years (1806 to 2026) the same calendar date averaged 462 records.

Record Map

357 stations

357 station records on 9 September 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 September 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ottawa Cda	Canada	Record daily precipitation	93.2 mm (3.7 in)	53 of 100 (Notable)
Norddal	Norway	Record snow depth	100.0 cm (39.4 in)	46 of 100 (Notable)
Beatrice	Canada	Record daily precipitation	44.7 mm (1.8 in)	45 of 100 (Notable)
Coldwater	Canada	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
White Cliffs	United States	Record daily precipitation	80.0 mm (3.1 in)	42 of 100 (Notable)
Gauhati Obsy	India	Record daily precipitation	92.7 mm (3.6 in)	39 of 100 (Notable)
Hemlock	United States	Record daily precipitation	48.5 mm (1.9 in)	38 of 100 (Notable)
Kamuthi	India	Record daily precipitation	49.5 mm (1.9 in)	36 of 100 (Notable)
Pembroke Eddy Match	Canada	Record daily precipitation	54.4 mm (2.1 in)	35 of 100 (Notable)
Georgetown	Canada	Record daily precipitation	34.8 mm (1.4 in)	35 of 100 (Notable)
Towanda 1 S	United States	Record daily precipitation	42.7 mm (1.7 in)	35 of 100 (Notable)
Mandakata	India	Record daily precipitation	119.4 mm (4.7 in)	34 of 100 (Routine)
Indus	India	Record daily precipitation	69.6 mm (2.7 in)	33 of 100 (Routine)
Montreal McGill	Canada	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Sherbrooke	Canada	Record daily precipitation	45.7 mm (1.8 in)	31 of 100 (Routine)
Roorkee	India	Record daily precipitation	214.1 mm (8.4 in)	31 of 100 (Routine)
Mohonk Lake	United States	Record daily precipitation	52.3 mm (2.1 in)	31 of 100 (Routine)
Greensboro Lock 7	United States	Record daily precipitation	44.2 mm (1.7 in)	31 of 100 (Routine)
Luling	United States	Record daily precipitation	65.5 mm (2.6 in)	31 of 100 (Routine)
Central Michigan UNIV	United States	Record daily precipitation	34.5 mm (1.4 in)	30 of 100 (Routine)
Lowville	United States	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Prescott 2 NNW	United States	Record daily precipitation	54.9 mm (2.2 in)	29 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record daily precipitation	64.8 mm (2.6 in)	29 of 100 (Routine)
Texarkana Webb Fld	United States	Record daily precipitation	31.0 mm (1.2 in)	29 of 100 (Routine)
Rajakkamangalam	India	Record daily precipitation	28.7 mm (1.1 in)	28 of 100 (Routine)
Huntsville	Canada	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Palasbari	India	Record daily precipitation	83.8 mm (3.3 in)	26 of 100 (Routine)
Sagunbari	India	Record daily precipitation	53.1 mm (2.1 in)	25 of 100 (Routine)
Balanpur	India	Record daily precipitation	63.5 mm (2.5 in)	25 of 100 (Routine)
Dardanelle	United States	Record daily precipitation	47.0 mm (1.9 in)	25 of 100 (Routine)
Adanakottai	India	Record daily precipitation	63.5 mm (2.5 in)	24 of 100 (Routine)
Fulton	United States	Record daily precipitation	56.6 mm (2.2 in)	24 of 100 (Routine)
Claysville 3 W	United States	Record daily precipitation	27.7 mm (1.1 in)	24 of 100 (Routine)
Ghatsila Sr	India	Record daily precipitation	45.2 mm (1.8 in)	23 of 100 (Routine)
Lexington	United States	Record daily precipitation	26.9 mm (1.1 in)	23 of 100 (Routine)
Saginaw Mbs Intl AP	United States	Record daily precipitation	26.4 mm (1.0 in)	23 of 100 (Routine)
Qu'appelle	Canada	Record high maximum temperature	30.0 C (86.0 F)	22 of 100 (Routine)
Moncton	Canada	Record low minimum temperature	-3.3 C (26.1 F)	22 of 100 (Routine)
Kangra	India	Record daily precipitation	81.3 mm (3.2 in)	22 of 100 (Routine)
Miles City	United States	Record high minimum temperature	20.6 C (69.1 F)	22 of 100 (Routine)
Henderson	United States	Record daily precipitation	74.9 mm (2.9 in)	22 of 100 (Routine)
St Marys	United States	Record daily precipitation	35.3 mm (1.4 in)	22 of 100 (Routine)
Williston Sloulin Fld	United States	Record high minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Steveston	Canada	Record high minimum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Demagiri	India	Record daily precipitation	49.5 mm (1.9 in)	21 of 100 (Routine)
Agra	India	Record daily precipitation	42.4 mm (1.7 in)	21 of 100 (Routine)
Montrose	United States	Record daily precipitation	38.9 mm (1.5 in)	21 of 100 (Routine)
Farmington	United States	Record high minimum temperature	21.7 C (71.1 F)	21 of 100 (Routine)
Lakeview 2 NNW	United States	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Riverside 7 SSW	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Cape York Post Office	Australia	Record daily precipitation	5.8 mm (0.23 in)	20 of 100 (Routine)
Hamilton	Canada	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Adrian	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Lewers Rch	United States	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Collingwood	Canada	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Beech Creek	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Vale	United States	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Grants Pass	United States	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Delaware 3 WSW	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Dunkirk 19NNE	United States	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

357 records

Records set or tied on 9 September 1942 by type: Highest daily maximum 40, Lowest daily maximum 9, Highest daily minimum 106, Lowest daily minimum 11, Heaviest daily rainfall 190, Deepest snow cover 1.

Records on 9 September 1942 by type
Record type	Records
Highest daily maximum	40
Lowest daily maximum	9
Highest daily minimum	106
Lowest daily minimum	11
Heaviest daily rainfall	190
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 9 September 1942 by timescale: all-time 2, monthly 7, daily 348.

How Much Records Were Beaten By

290 broken records

Margins by which the 290 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 320.0. Ties are not counted.

Top 20 by Significance

9 September 1942

Top 20 records on 9 September 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 1942	Ottawa Cda, CA	all-time rain	93.2 mm (3.7 in)	17.3 mm (0.7 in)	26 years	53 of 100 (Notable)
9 September 1942	Norddal, NO	monthly snow depth	100.0 cm (39.4 in)	32.0 cm (12.6 in)	0 years	46 of 100 (Notable)
9 September 1942	Beatrice, CA	daily rain	44.7 mm (1.8 in)	21.1 mm (0.8 in)	56 years	45 of 100 (Notable)
9 September 1942	Coldwater, CA	daily rain	50.8 mm (2.0 in)	38.1 mm (1.5 in)	0 years	43 of 100 (Notable)
9 September 1942	White Cliffs, US	daily rain	80.0 mm (3.1 in)	54.1 mm (2.1 in)	31 years	42 of 100 (Notable)
9 September 1942	Gauhati Obsy, IN	daily rain	92.7 mm (3.6 in)	47.0 mm (1.9 in)	24 years	39 of 100 (Notable)
9 September 1942	Hemlock, US	daily rain	48.5 mm (1.9 in)	26.7 mm (1.1 in)	17 years	38 of 100 (Notable)
9 September 1942	Kamuthi, IN	daily rain	49.5 mm (1.9 in)	31.7 mm (1.2 in)	33 years	36 of 100 (Notable)
9 September 1942	Pembroke Eddy Match, CA	daily rain	54.4 mm (2.1 in)	38.9 mm (1.5 in)	1 year	35 of 100 (Notable)
9 September 1942	Georgetown, CA	daily rain	34.8 mm (1.4 in)	9.4 mm (0.37 in)	56 years	35 of 100 (Notable)
9 September 1942	Towanda 1 S, US	daily rain	42.7 mm (1.7 in)	24.7 mm (1.0 in)	31 years	35 of 100 (Notable)
9 September 1942	Mandakata, IN	monthly rain	119.4 mm (4.7 in)	23.9 mm (0.9 in)	24 years	34 of 100 (Routine)
9 September 1942	Indus, IN	daily rain	69.6 mm (2.7 in)	34.0 mm (1.3 in)	33 years	33 of 100 (Routine)
9 September 1942	Montreal McGill, CA	daily rain	47.0 mm (1.9 in)	19.1 mm (0.8 in)	16 years	31 of 100 (Routine)
9 September 1942	Sherbrooke, CA	daily rain	45.7 mm (1.8 in)	21.3 mm (0.8 in)	17 years	31 of 100 (Routine)
9 September 1942	Roorkee, IN	all-time rain	214.1 mm (8.4 in)	9.9 mm (0.39 in)	17 years	31 of 100 (Routine)
9 September 1942	Mohonk Lake, US	daily rain	52.3 mm (2.1 in)	27.4 mm (1.1 in)	40 years	31 of 100 (Routine)
9 September 1942	Greensboro Lock 7, US	daily rain	44.2 mm (1.7 in)	14.7 mm (0.6 in)	42 years	31 of 100 (Routine)
9 September 1942	Luling, US	daily rain	65.5 mm (2.6 in)	27.4 mm (1.1 in)	20 years	31 of 100 (Routine)
9 September 1942	Central Michigan UNIV, US	daily rain	34.5 mm (1.4 in)	16.7 mm (0.7 in)	39 years	30 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

1806 to 1942

Records set or tied on this calendar date in each year from 1806 to 1942. 1942 had 357 records.

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

Records on 09-09 in each year
Year	Records
1806	1
1812	1
1813	1
1814	2
1834	1
1836	1
1845	1
1847	1
1848	1
1849	2
1850	1
1854	1
1864	2
1865	3
1866	3
1867	1
1869	1
1871	1
1873	1
1878	1
1879	1
1880	2
1883	3
1884	4
1886	1
1888	4
1889	1
1890	1
1891	1
1892	4
1893	4
1894	3
1895	7
1897	3
1898	5
1899	6
1900	1
1901	4
1902	5
1903	14
1904	9
1905	8
1906	24
1907	9
1908	5
1909	9
1910	17
1911	27
1912	48
1913	12
1914	69
1915	48
1916	16
1917	44
1918	40
1919	74
1920	145
1921	92
1922	115
1923	58
1924	232
1925	248
1926	168
1927	246
1928	108
1929	362
1930	211
1931	558
1932	302
1933	433
1934	256
1935	461
1936	297
1937	242
1938	416
1939	429
1940	294
1941	763
1942	357
1943	596
1944	719
1945	355
1946	366
1947	465
1948	307
1949	1,407
1950	426
1951	338
1952	511
1953	344
1954	283
1955	608
1956	742
1957	390
1958	419
1959	736
1960	492
1961	383
1962	847
1963	400
1964	488
1965	326
1966	366
1967	367
1968	440
1969	603
1970	584
1971	498
1972	464
1973	517
1974	689
1975	555
1976	773
1977	410
1978	702
1979	878
1980	829
1981	1,011
1982	814
1983	958
1984	1,304
1985	1,269
1986	1,026
1987	676
1988	836
1989	983
1990	762
1991	882
1992	620
1993	886
1994	892
1995	937
1996	809
1997	837
1998	1,667
1999	1,013
2000	811
2001	1,647
2002	1,355
2003	786
2004	1,603
2005	1,068
2006	917
2007	948
2008	1,161
2009	792
2010	1,049
2011	1,328
2012	681
2013	974
2014	590
2015	806
2016	1,210
2017	661
2018	876
2019	953
2020	2,579
2021	1,458
2022	1,094
2023	1,222
2024	1,146
2025	520
2026	815

Download the Data

Data for records on 1942-09-09: 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 50	288
50 to 100	1
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	1