Weather Records on 18 September 1941

318 weather records were set or tied worldwide on 18 September 1941. Highest significance: Moran India, IN.

Key Facts for 18 September 1941

On 18 September 1941, 318 weather records were set or tied at long-record stations worldwide.
88 were record highs and 63 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 315 daily.
Moran India set a daily record precipitation of 140.2 mm (5.5 in) on 18 September 1941.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 422 records.

Record Map

318 stations

318 station records on 18 September 1941 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1941: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moran India	India	Record daily precipitation	140.2 mm (5.5 in)	48 of 100 (Notable)
Bell Ranch	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Nanaimo	Canada	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Fort Cochin	India	Record daily precipitation	96.0 mm (3.8 in)	42 of 100 (Notable)
Rawsonville (Pol)	South Africa	Record daily precipitation	74.4 mm (2.9 in)	41 of 100 (Notable)
Pala	India	Record daily precipitation	90.2 mm (3.6 in)	39 of 100 (Notable)
Bhavani	India	Record daily precipitation	81.3 mm (3.2 in)	39 of 100 (Notable)
Thiruthuraipoond	India	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Mahoba	India	Record daily precipitation	93.5 mm (3.7 in)	39 of 100 (Notable)
Ashland	United States	Record daily precipitation	66.3 mm (2.6 in)	39 of 100 (Notable)
Cranganore	India	Record daily precipitation	102.1 mm (4.0 in)	36 of 100 (Notable)
Periakulam	India	Record daily precipitation	42.4 mm (1.7 in)	36 of 100 (Notable)
Kakabeka Falls	Canada	Record daily precipitation	38.1 mm (1.5 in)	35 of 100 (Notable)
Chhipabarod	India	Record daily precipitation	94.0 mm (3.7 in)	35 of 100 (Notable)
Hay River	Canada	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Peermade Residen	India	Record daily precipitation	165.1 mm (6.5 in)	33 of 100 (Routine)
Covelong	India	Record daily precipitation	83.3 mm (3.3 in)	33 of 100 (Routine)
Narsapur	India	Record daily precipitation	75.4 mm (3.0 in)	32 of 100 (Routine)
Salzburg	Austria	Record low minimum temperature	1.3 C (34.3 F)	31 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Menard	United States	Record daily precipitation	75.7 mm (3.0 in)	31 of 100 (Routine)
Rossland City Yard	Canada	Record daily precipitation	26.4 mm (1.0 in)	30 of 100 (Routine)
Brockville	Canada	Record high maximum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Marhaura(Amnar)	India	Record daily precipitation	99.6 mm (3.9 in)	29 of 100 (Routine)
Attingal	India	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Blythwood	Australia	Record daily precipitation	28.2 mm (1.1 in)	28 of 100 (Routine)
Gorlitz	Germany	Record low minimum temperature	1.1 C (34.0 F)	28 of 100 (Routine)
Ellore	India	Record daily precipitation	55.6 mm (2.2 in)	28 of 100 (Routine)
Peddapuram	India	Record daily precipitation	67.3 mm (2.6 in)	27 of 100 (Routine)
Marungapuri	India	Record daily precipitation	94.2 mm (3.7 in)	27 of 100 (Routine)
Beberu	India	Record daily precipitation	89.7 mm (3.5 in)	27 of 100 (Routine)
Chowghat	India	Record daily precipitation	81.8 mm (3.2 in)	26 of 100 (Routine)
Triprayar	India	Record daily precipitation	69.6 mm (2.7 in)	26 of 100 (Routine)
Belathal	India	Record daily precipitation	63.5 mm (2.5 in)	26 of 100 (Routine)
Bijanagar	India	Record daily precipitation	62.2 mm (2.4 in)	26 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	48.8 mm (1.9 in)	26 of 100 (Routine)
Vijayawada	India	Record daily precipitation	55.6 mm (2.2 in)	25 of 100 (Routine)
Kulpahar	India	Record daily precipitation	67.8 mm (2.7 in)	25 of 100 (Routine)
Lottering (Bos)	South Africa	Record daily precipitation	42.4 mm (1.7 in)	25 of 100 (Routine)
Mayville	United States	Record high minimum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Holy Cross	United States	Record daily precipitation	36.6 mm (1.4 in)	25 of 100 (Routine)
Regensburg	Germany	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Changenachery	India	Record daily precipitation	73.7 mm (2.9 in)	24 of 100 (Routine)
Madurantakam	India	Record daily precipitation	87.6 mm (3.4 in)	24 of 100 (Routine)
Astoria	United States	Record low minimum temperature	6.1 C (43.0 F)	24 of 100 (Routine)
Loa	United States	Record high minimum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Spokane Intl AP	United States	Record low maximum temperature	11.1 C (52.0 F)	24 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low minimum temperature	1.5 C (34.7 F)	23 of 100 (Routine)
Trichur	India	Record daily precipitation	67.8 mm (2.7 in)	23 of 100 (Routine)
Wallajah	India	Record daily precipitation	88.9 mm (3.5 in)	23 of 100 (Routine)
Larned	United States	Record daily precipitation	76.2 mm (3.0 in)	23 of 100 (Routine)
Ernakulam	India	Record daily precipitation	114.3 mm (4.5 in)	22 of 100 (Routine)
Gingee	India	Record daily precipitation	92.5 mm (3.6 in)	22 of 100 (Routine)
Khannah	India	Record daily precipitation	55.6 mm (2.2 in)	22 of 100 (Routine)
Tufanganj	India	Record daily precipitation	157.5 mm (6.2 in)	22 of 100 (Routine)
Thiruvalla	India	Record daily precipitation	68.6 mm (2.7 in)	21 of 100 (Routine)
Karikode	India	Record daily precipitation	74.9 mm (2.9 in)	21 of 100 (Routine)
Damoh	India	Record daily precipitation	35.3 mm (1.4 in)	21 of 100 (Routine)
Chengam	India	Record daily precipitation	69.9 mm (2.8 in)	21 of 100 (Routine)

Counts by Type and Timescale

318 records

Records set or tied on 18 September 1941 by type: Highest daily maximum 19, Lowest daily maximum 45, Highest daily minimum 69, Lowest daily minimum 18, Heaviest daily rainfall 167.

Records on 18 September 1941 by type
Record type	Records
Highest daily maximum	19
Lowest daily maximum	45
Highest daily minimum	69
Lowest daily minimum	18
Heaviest daily rainfall	167
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1941 by timescale: all-time 0, monthly 3, daily 315.

How Much Records Were Beaten By

259 broken records

Margins by which the 259 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.7. Ties are not counted.

Top 20 by Significance

18 September 1941

Top 20 records on 18 September 1941 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1941	Moran India, IN	daily rain	140.2 mm (5.5 in)	90.7 mm (3.6 in)	15 years	48 of 100 (Notable)
18 September 1941	Bell Ranch, US	daily rain	50.8 mm (2.0 in)	45.7 mm (1.8 in)	14 years	46 of 100 (Notable)
18 September 1941	Nanaimo, CA	daily rain	36.3 mm (1.4 in)	23.6 mm (0.9 in)	10 years	42 of 100 (Notable)
18 September 1941	Fort Cochin, IN	daily rain	96.0 mm (3.8 in)	55.6 mm (2.2 in)	14 years	42 of 100 (Notable)
18 September 1941	Rawsonville (Pol), ZA	daily rain	74.4 mm (2.9 in)	43.9 mm (1.7 in)	8 years	41 of 100 (Notable)
18 September 1941	Pala, IN	daily rain	90.2 mm (3.6 in)	51.6 mm (2.0 in)	36 years	39 of 100 (Notable)
18 September 1941	Bhavani, IN	daily rain	81.3 mm (3.2 in)	43.2 mm (1.7 in)	35 years	39 of 100 (Notable)
18 September 1941	Thiruthuraipoond, IN	daily rain	59.7 mm (2.4 in)	38.1 mm (1.5 in)	28 years	39 of 100 (Notable)
18 September 1941	Mahoba, IN	daily rain	93.5 mm (3.7 in)	60.7 mm (2.4 in)	26 years	39 of 100 (Notable)
18 September 1941	Ashland, US	daily rain	66.3 mm (2.6 in)	38.4 mm (1.5 in)	35 years	39 of 100 (Notable)
18 September 1941	Cranganore, IN	daily rain	102.1 mm (4.0 in)	64.5 mm (2.5 in)	14 years	36 of 100 (Notable)
18 September 1941	Periakulam, IN	daily rain	42.4 mm (1.7 in)	21.8 mm (0.9 in)	40 years	36 of 100 (Notable)
18 September 1941	Kakabeka Falls, CA	daily rain	38.1 mm (1.5 in)	22.1 mm (0.9 in)	26 years	35 of 100 (Notable)
18 September 1941	Chhipabarod, IN	daily rain	94.0 mm (3.7 in)	60.0 mm (2.4 in)	24 years	35 of 100 (Notable)
18 September 1941	Hay River, CA	daily rain	25.4 mm (1.0 in)	15.2 mm (0.6 in)	8 years	34 of 100 (Routine)
18 September 1941	Peermade Residen, IN	daily rain	165.1 mm (6.5 in)	61.0 mm (2.4 in)	24 years	33 of 100 (Routine)
18 September 1941	Covelong, IN	daily rain	83.3 mm (3.3 in)	41.4 mm (1.6 in)	39 years	33 of 100 (Routine)
18 September 1941	Narsapur, IN	daily rain	75.4 mm (3.0 in)	38.1 mm (1.5 in)	16 years	32 of 100 (Routine)
18 September 1941	Salzburg, AT	daily low min	1.3 C (34.3 F)	2.9 C (5.2 F)	59 years	31 of 100 (Routine)
18 September 1941	Malmesbury, ZA	daily rain	26.7 mm (1.1 in)	13.2 mm (0.5 in)	24 years	31 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

1803 to 1941

Records set or tied on this calendar date in each year from 1803 to 1941. 1941 had 318 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 1941-09-18: 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	209
20 to 40	32
40 to 60	12
60 to 80	5
80 to 100	1