Weather Records on 20 September 1942

436 weather records were set or tied worldwide on 20 September 1942. Highest significance: Mankachar, IN.

Key Facts for 20 September 1942

On 20 September 1942, 436 weather records were set or tied at long-record stations worldwide.
131 were record highs and 134 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 428 daily.
Mankachar set a daily record precipitation of 186.7 mm (7.4 in) on 20 September 1942.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 442 records.

Record Map

436 stations

436 station records on 20 September 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mankachar	India	Record daily precipitation	186.7 mm (7.4 in)	46 of 100 (Notable)
Malda	India	Record daily precipitation	150.9 mm (5.9 in)	44 of 100 (Notable)
Sonari	India	Record daily precipitation	92.7 mm (3.6 in)	42 of 100 (Notable)
Gangarampur	India	Record daily precipitation	158.8 mm (6.3 in)	41 of 100 (Notable)
Tirukoilur	India	Record daily precipitation	127.5 mm (5.0 in)	40 of 100 (Notable)
Sibsagar	India	Record daily precipitation	117.3 mm (4.6 in)	39 of 100 (Notable)
College STN 6 SW	United States	Record daily precipitation	66.0 mm (2.6 in)	38 of 100 (Notable)
Panruti	India	Record daily precipitation	105.4 mm (4.1 in)	37 of 100 (Notable)
Bathurst	Canada	Record high minimum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Boko	India	Record daily precipitation	83.8 mm (3.3 in)	32 of 100 (Routine)
Saint Leo	United States	Record high minimum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Aurangabad	India	Record daily precipitation	96.5 mm (3.8 in)	31 of 100 (Routine)
Assobani	India	Record daily precipitation	68.6 mm (2.7 in)	31 of 100 (Routine)
Raghunathpur	India	Record daily precipitation	86.6 mm (3.4 in)	31 of 100 (Routine)
Jhaldah(Jhalda)	India	Record daily precipitation	94.7 mm (3.7 in)	31 of 100 (Routine)
Cuddalore	India	Record daily precipitation	77.5 mm (3.1 in)	30 of 100 (Routine)
Kalyanganj	India	Record daily precipitation	84.8 mm (3.3 in)	30 of 100 (Routine)
Krishnanagar	India	Record daily precipitation	83.6 mm (3.3 in)	30 of 100 (Routine)
Sonamarg &	India	Record daily precipitation	31.5 mm (1.2 in)	29 of 100 (Routine)
Katwa	India	Record daily precipitation	83.8 mm (3.3 in)	29 of 100 (Routine)
Angelica	United States	Record daily precipitation	38.9 mm (1.5 in)	29 of 100 (Routine)
Berhampore	India	Record daily precipitation	99.1 mm (3.9 in)	28 of 100 (Routine)
Grand Cane Fire Twr	United States	Record daily precipitation	34.5 mm (1.4 in)	28 of 100 (Routine)
Sagar Island	India	Record daily precipitation	96.3 mm (3.8 in)	27 of 100 (Routine)
Las Vegas 2 NW	United States	Record low maximum temperature	11.1 C (52.0 F)	27 of 100 (Routine)
Barabazar	India	Record daily precipitation	92.2 mm (3.6 in)	26 of 100 (Routine)
Rajahmundry	India	Record daily precipitation	58.4 mm (2.3 in)	25 of 100 (Routine)
Borio	India	Record daily precipitation	92.2 mm (3.6 in)	25 of 100 (Routine)
Balandapara	India	Record daily precipitation	116.1 mm (4.6 in)	25 of 100 (Routine)
Cedar Key 1 WSW	United States	Record high maximum temperature	39.4 C (102.9 F)	25 of 100 (Routine)
Hobart Muni AP	United States	Record daily precipitation	88.9 mm (3.5 in)	25 of 100 (Routine)
Vanur	India	Record daily precipitation	52.1 mm (2.1 in)	24 of 100 (Routine)
Lamar	United States	Record low minimum temperature	-1.1 C (30.0 F)	24 of 100 (Routine)
El Paso	United States	Record low maximum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Hariharganj	India	Record daily precipitation	96.3 mm (3.8 in)	23 of 100 (Routine)
Bhogpur	India	Record daily precipitation	99.1 mm (3.9 in)	23 of 100 (Routine)
Raiford State Prison	United States	Record high minimum temperature	26.7 C (80.1 F)	23 of 100 (Routine)
Idaho City	United States	Record low minimum temperature	-5.0 C (23.0 F)	23 of 100 (Routine)
Liberal	United States	Record low minimum temperature	-0.6 C (30.9 F)	23 of 100 (Routine)
Mescalero	United States	Record low maximum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Southport 5 N	United States	Record high maximum temperature	36.7 C (98.1 F)	23 of 100 (Routine)
Sugar Land	United States	Record low maximum temperature	25.6 C (78.1 F)	23 of 100 (Routine)
Loa	United States	Record low minimum temperature	-8.9 C (16.0 F)	23 of 100 (Routine)
Charlottesville 2W	United States	Record high minimum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Amarpara	India	Record daily precipitation	70.1 mm (2.8 in)	22 of 100 (Routine)
College Park	United States	Record high minimum temperature	21.7 C (71.1 F)	22 of 100 (Routine)
San Jon	United States	Record low minimum temperature	0.0 C (32.0 F)	22 of 100 (Routine)
Moncton	Canada	Record daily precipitation	44.2 mm (1.7 in)	21 of 100 (Routine)
Chandur Bazar	India	Record daily precipitation	48.3 mm (1.9 in)	21 of 100 (Routine)
Gingee	India	Record daily precipitation	49.5 mm (1.9 in)	21 of 100 (Routine)
Tindivanam	India	Record daily precipitation	53.1 mm (2.1 in)	21 of 100 (Routine)
Azimganj	India	Record daily precipitation	55.9 mm (2.2 in)	21 of 100 (Routine)
Haskinville	United States	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Society Hill 6 S	United States	Record high maximum temperature	33.9 C (93.0 F)	21 of 100 (Routine)
New Orleans Audubon	United States	Record high minimum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Uralsk	Kazakhstan	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
University Exp STN	United States	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Rosewood	Australia	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Old Halls Creek	Australia	Record daily precipitation	2.0 mm (0.08 in)	20 of 100 (Routine)
Onslow	Australia	Record daily precipitation	1.5 mm (0.06 in)	20 of 100 (Routine)

Counts by Type and Timescale

436 records

Records set or tied on 20 September 1942 by type: Highest daily maximum 62, Lowest daily maximum 46, Highest daily minimum 69, Lowest daily minimum 88, Heaviest daily rainfall 171.

Records on 20 September 1942 by type
Record type	Records
Highest daily maximum	62
Lowest daily maximum	46
Highest daily minimum	69
Lowest daily minimum	88
Heaviest daily rainfall	171
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 1942 by timescale: all-time 1, monthly 7, daily 428.

How Much Records Were Beaten By

354 broken records

Margins by which the 354 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 129.0. Ties are not counted.

Top 20 by Significance

20 September 1942

Top 20 records on 20 September 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1942	Mankachar, IN	daily rain	186.7 mm (7.4 in)	129.0 mm (5.1 in)	12 years	46 of 100 (Notable)
20 September 1942	Malda, IN	daily rain	150.9 mm (5.9 in)	115.6 mm (4.6 in)	4 years	44 of 100 (Notable)
20 September 1942	Sonari, IN	daily rain	92.7 mm (3.6 in)	49.5 mm (1.9 in)	36 years	42 of 100 (Notable)
20 September 1942	Gangarampur, IN	daily rain	158.8 mm (6.3 in)	95.3 mm (3.8 in)	35 years	41 of 100 (Notable)
20 September 1942	Tirukoilur, IN	daily rain	127.5 mm (5.0 in)	67.3 mm (2.6 in)	11 years	40 of 100 (Notable)
20 September 1942	Sibsagar, IN	daily rain	117.3 mm (4.6 in)	48.7 mm (1.9 in)	36 years	39 of 100 (Notable)
20 September 1942	College STN 6 SW, US	daily rain	66.0 mm (2.6 in)	53.8 mm (2.1 in)	19 years	38 of 100 (Notable)
20 September 1942	Panruti, IN	daily rain	105.4 mm (4.1 in)	52.1 mm (2.1 in)	31 years	37 of 100 (Notable)
20 September 1942	Bathurst, CA	daily high min	17.2 C (63.0 F)	3.9 C (7.0 F)	58 years	32 of 100 (Routine)
20 September 1942	Boko, IN	daily rain	83.8 mm (3.3 in)	40.6 mm (1.6 in)	24 years	32 of 100 (Routine)
20 September 1942	Saint Leo, US	daily high min	25.6 C (78.1 F)	2.3 C (4.1 F)	43 years	32 of 100 (Routine)
20 September 1942	Aurangabad, IN	daily rain	96.5 mm (3.8 in)	70.3 mm (2.8 in)	5 years	31 of 100 (Routine)
20 September 1942	Assobani, IN	daily rain	68.6 mm (2.7 in)	33.0 mm (1.3 in)	36 years	31 of 100 (Routine)
20 September 1942	Raghunathpur, IN	daily rain	86.6 mm (3.4 in)	52.3 mm (2.1 in)	9 years	31 of 100 (Routine)
20 September 1942	Jhaldah(Jhalda), IN	daily rain	94.7 mm (3.7 in)	63.5 mm (2.5 in)	0 years	31 of 100 (Routine)
20 September 1942	Cuddalore, IN	daily rain	77.5 mm (3.1 in)	44.5 mm (1.8 in)	16 years	30 of 100 (Routine)
20 September 1942	Kalyanganj, IN	daily rain	84.8 mm (3.3 in)	40.9 mm (1.6 in)	28 years	30 of 100 (Routine)
20 September 1942	Krishnanagar, IN	daily rain	83.6 mm (3.3 in)	41.2 mm (1.6 in)	12 years	30 of 100 (Routine)
20 September 1942	Sonamarg &, IN	daily rain	31.5 mm (1.2 in)	18.8 mm (0.7 in)	36 years	29 of 100 (Routine)
20 September 1942	Katwa, IN	daily rain	83.8 mm (3.3 in)	27.9 mm (1.1 in)	35 years	29 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

1812 to 1942

Records set or tied on this calendar date in each year from 1812 to 1942. 1942 had 436 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 1942-09-20: 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	315
20 to 40	18
40 to 60	15
60 to 80	3
80 to 100	1
100 to 120	1
120 to 140	1