Weather Records on 17 September 1942

581 weather records were set or tied worldwide on 17 September 1942. Highest significance: Inverloch, AU.

Key Facts for 17 September 1942

On 17 September 1942, 581 weather records were set or tied at long-record stations worldwide.
276 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 577 daily.
Inverloch set a daily record precipitation of 37.6 mm (1.5 in) on 17 September 1942.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 422 records.

Record Map

581 stations

581 station records on 17 September 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Inverloch	Australia	Record daily precipitation	37.6 mm (1.5 in)	55 of 100 (Notable)
Brookhaven City	United States	Record daily precipitation	75.4 mm (3.0 in)	54 of 100 (Notable)
Franklinton	United States	Record daily precipitation	134.4 mm (5.3 in)	51 of 100 (Notable)
Donaldsonville 4 SW	United States	Record daily precipitation	111.8 mm (4.4 in)	49 of 100 (Notable)
Tomahawk Spirit Rsvr	United States	Record daily precipitation	51.8 mm (2.0 in)	47 of 100 (Notable)
Gavle	Sweden	Record daily precipitation	36.9 mm (1.5 in)	46 of 100 (Notable)
Winterset 4N	United States	Record daily precipitation	76.2 mm (3.0 in)	46 of 100 (Notable)
Lund	Sweden	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Agnes River	Australia	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Baloda Bazar	India	Record daily precipitation	72.6 mm (2.9 in)	40 of 100 (Notable)
Copper	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Reserve	United States	Record daily precipitation	66.5 mm (2.6 in)	38 of 100 (Notable)
Toora	Australia	Record daily precipitation	35.1 mm (1.4 in)	37 of 100 (Notable)
Jeanerette 5 NW	United States	Record daily precipitation	116.1 mm (4.6 in)	36 of 100 (Notable)
Browning	United States	Record daily precipitation	26.7 mm (1.1 in)	36 of 100 (Notable)
Redwood Falls Muni AP	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Big Timber	United States	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Plevna	United States	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Goderich	Canada	Record high maximum temperature	28.9 C (84.0 F)	33 of 100 (Routine)
Greenville	United States	Record daily precipitation	46.5 mm (1.8 in)	33 of 100 (Routine)
Mannington 1 N	United States	Record daily precipitation	46.7 mm (1.8 in)	33 of 100 (Routine)
Eau Claire	United States	Record daily precipitation	48.0 mm (1.9 in)	33 of 100 (Routine)
Baton Rouge	United States	Record daily precipitation	71.6 mm (2.8 in)	32 of 100 (Routine)
Clinton Forestry HQ	United States	Record daily precipitation	74.9 mm (2.9 in)	32 of 100 (Routine)
Waverly	United States	Record daily precipitation	26.9 mm (1.1 in)	32 of 100 (Routine)
Perryville	United States	Record daily precipitation	60.2 mm (2.4 in)	32 of 100 (Routine)
Barsoe	India	Record daily precipitation	110.5 mm (4.4 in)	31 of 100 (Routine)
Arrah Obsy Sr	India	Record daily precipitation	83.8 mm (3.3 in)	31 of 100 (Routine)
Amite	United States	Record daily precipitation	78.7 mm (3.1 in)	31 of 100 (Routine)
Farmington 3NW	United States	Record daily precipitation	50.8 mm (2.0 in)	31 of 100 (Routine)
Hatfield	United States	Record daily precipitation	39.9 mm (1.6 in)	31 of 100 (Routine)
Udhapur	India	Record daily precipitation	63.5 mm (2.5 in)	29 of 100 (Routine)
Demopolis Lock 4	United States	Record daily precipitation	52.1 mm (2.1 in)	29 of 100 (Routine)
Port Albert	Australia	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Monticello	United States	Record daily precipitation	58.4 mm (2.3 in)	28 of 100 (Routine)
Foster (Post Office)	Australia	Record daily precipitation	43.9 mm (1.7 in)	27 of 100 (Routine)
Brockville	Canada	Record high maximum temperature	28.9 C (84.0 F)	27 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	27.2 C (81.0 F)	27 of 100 (Routine)
Fredericton Unb	Canada	Record high maximum temperature	28.9 C (84.0 F)	27 of 100 (Routine)
Lalsot	India	Record daily precipitation	58.4 mm (2.3 in)	27 of 100 (Routine)
Borsat	India	Record daily precipitation	54.6 mm (2.1 in)	27 of 100 (Routine)
Anchorage	United States	Record daily precipitation	82.8 mm (3.3 in)	27 of 100 (Routine)
Warragul	Australia	Record daily precipitation	30.0 mm (1.2 in)	26 of 100 (Routine)
Petropavlovskij Majak	Russia	Record daily precipitation	28.9 mm (1.1 in)	26 of 100 (Routine)
Petropavlovsk-Kamchatskij	Russia	Record daily precipitation	28.9 mm (1.1 in)	26 of 100 (Routine)
Bird Island	United States	Record daily precipitation	32.8 mm (1.3 in)	26 of 100 (Routine)
Willmar Wwtp	United States	Record daily precipitation	45.2 mm (1.8 in)	26 of 100 (Routine)
Buffalo	United States	Record high minimum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Jefferson 2 E	United States	Record daily precipitation	38.9 mm (1.5 in)	26 of 100 (Routine)
Marion	United States	Record daily precipitation	43.9 mm (1.7 in)	26 of 100 (Routine)
Madison Wb City	United States	Record high minimum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Gospic	Croatia	Record high minimum temperature	12.6 C (54.7 F)	25 of 100 (Routine)
Elatma	Russia	Record low minimum temperature	-2.2 C (28.0 F)	25 of 100 (Routine)
Browning	United States	Record daily snowfall	7.6 cm (3.0 in)	25 of 100 (Routine)
Baltimore Customs House	United States	Record high minimum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
Elko Rgnl AP	United States	Record low maximum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Parry Sound	Canada	Record high maximum temperature	27.8 C (82.0 F)	24 of 100 (Routine)
Narsingarh	India	Record daily precipitation	70.6 mm (2.8 in)	24 of 100 (Routine)
Augusta	United States	Record daily snowfall	5.1 cm (2.0 in)	24 of 100 (Routine)
Stevens Pt	United States	Record daily precipitation	83.8 mm (3.3 in)	24 of 100 (Routine)

Counts by Type and Timescale

581 records

Records set or tied on 17 September 1942 by type: Highest daily maximum 106, Lowest daily maximum 69, Highest daily minimum 170, Lowest daily minimum 25, Heaviest daily rainfall 208, Heaviest daily snowfall 3.

Records on 17 September 1942 by type
Record type	Records
Highest daily maximum	106
Lowest daily maximum	69
Highest daily minimum	170
Lowest daily minimum	25
Heaviest daily rainfall	208
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 17 September 1942 by timescale: all-time 0, monthly 4, daily 577.

How Much Records Were Beaten By

471 broken records

Margins by which the 471 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

17 September 1942

Top 20 records on 17 September 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1942	Inverloch, AU	daily rain	37.6 mm (1.5 in)	24.4 mm (1.0 in)	36 years	55 of 100 (Notable)
17 September 1942	Brookhaven City, US	daily rain	75.4 mm (3.0 in)	62.7 mm (2.5 in)	40 years	54 of 100 (Notable)
17 September 1942	Franklinton, US	daily rain	134.4 mm (5.3 in)	97.6 mm (3.8 in)	28 years	51 of 100 (Notable)
17 September 1942	Donaldsonville 4 SW, US	daily rain	111.8 mm (4.4 in)	78.8 mm (3.1 in)	28 years	49 of 100 (Notable)
17 September 1942	Tomahawk Spirit Rsvr, US	daily rain	51.8 mm (2.0 in)	41.6 mm (1.6 in)	28 years	47 of 100 (Notable)
17 September 1942	Gavle, SE	daily rain	36.9 mm (1.5 in)	23.3 mm (0.9 in)	20 years	46 of 100 (Notable)
17 September 1942	Winterset 4N, US	daily rain	76.2 mm (3.0 in)	46.2 mm (1.8 in)	36 years	46 of 100 (Notable)
17 September 1942	Lund, SE	daily rain	32.3 mm (1.3 in)	15.7 mm (0.6 in)	28 years	44 of 100 (Notable)
17 September 1942	Agnes River, AU	daily rain	36.3 mm (1.4 in)	22.1 mm (0.9 in)	32 years	40 of 100 (Notable)
17 September 1942	Baloda Bazar, IN	daily rain	72.6 mm (2.9 in)	58.6 mm (2.3 in)	32 years	40 of 100 (Notable)
17 September 1942	Copper, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	36 years	40 of 100 (Notable)
17 September 1942	Reserve, US	daily rain	66.5 mm (2.6 in)	48.2 mm (1.9 in)	28 years	38 of 100 (Notable)
17 September 1942	Toora, AU	daily rain	35.1 mm (1.4 in)	19.4 mm (0.8 in)	32 years	37 of 100 (Notable)
17 September 1942	Jeanerette 5 NW, US	daily rain	116.1 mm (4.6 in)	65.3 mm (2.6 in)	19 years	36 of 100 (Notable)
17 September 1942	Browning, US	daily rain	26.7 mm (1.1 in)	19.1 mm (0.8 in)	41 years	36 of 100 (Notable)
17 September 1942	Redwood Falls Muni AP, US	daily rain	33.0 mm (1.3 in)	23.6 mm (0.9 in)	35 years	36 of 100 (Notable)
17 September 1942	Big Timber, US	daily rain	25.4 mm (1.0 in)	22.9 mm (0.9 in)	16 years	35 of 100 (Notable)
17 September 1942	Plevna, US	daily rain	25.4 mm (1.0 in)	23.6 mm (0.9 in)	19 years	35 of 100 (Notable)
17 September 1942	Goderich, CA	daily high max	28.9 C (84.0 F)	2.2 C (4.0 F)	74 years	33 of 100 (Routine)
17 September 1942	Greenville, US	daily rain	46.5 mm (1.8 in)	39.1 mm (1.5 in)	24 years	33 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

1796 to 1942

Records set or tied on this calendar date in each year from 1796 to 1942. 1942 had 581 records.

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

Records on 09-17 in each year
Year	Records
1796	1
1797	1
1805	1
1833	1
1834	1
1837	2
1845	1
1847	3
1848	1
1850	1
1851	2
1853	2
1854	2
1859	1
1862	1
1867	1
1870	1
1871	1
1872	1
1873	1
1874	1
1875	1
1877	1
1881	1
1882	2
1884	3
1885	3
1886	6
1888	2
1889	8
1891	1
1893	3
1894	1
1895	4
1896	9
1897	4
1898	7
1899	1
1900	4
1901	5
1902	5
1903	28
1904	2
1905	17
1906	10
1907	15
1908	13
1909	7
1910	38
1911	15
1912	17
1913	28
1914	38
1915	48
1916	40
1917	255
1918	41
1919	21
1920	40
1921	66
1922	47
1923	159
1924	80
1925	338
1926	154
1927	420
1928	78
1929	168
1930	147
1931	564
1932	425
1933	415
1934	246
1935	321
1936	219
1937	463
1938	363
1939	294
1940	326
1941	328
1942	581
1943	513
1944	403
1945	614
1946	620
1947	680
1948	630
1949	292
1950	412
1951	359
1952	263
1953	344
1954	449
1955	649
1956	437
1957	405
1958	806
1959	1,210
1960	385
1961	657
1962	432
1963	297
1964	559
1965	1,394
1966	523
1967	331
1968	691
1969	352
1970	412
1971	898
1972	556
1973	638
1974	491
1975	478
1976	636
1977	641
1978	764
1979	804
1980	794
1981	1,155
1982	606
1983	862
1984	1,006
1985	448
1986	1,314
1987	926
1988	982
1989	863
1990	650
1991	1,407
1992	686
1993	950
1994	986
1995	1,145
1996	1,342
1997	1,057
1998	1,137
1999	1,102
2000	1,318
2001	895
2002	1,025
2003	586
2004	872
2005	1,042
2006	1,344
2007	752
2008	886
2009	871
2010	907
2011	1,116
2012	597
2013	1,253
2014	571
2015	953
2016	707
2017	455
2018	899
2019	774
2020	651
2021	345
2022	313
2023	646
2024	954
2025	634
2026	968

Download the Data

Data for records on 1942-09-17: 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 20	427
20 to 40	27
40 to 60	10
60 to 80	5
80 to 100	1
100 to 120	1