Weather Records on 18 September 1943

624 weather records were set or tied worldwide on 18 September 1943. Highest significance: Lake Leake (Elizabeth River), AU.

Key Facts for 18 September 1943

On 18 September 1943, 624 weather records were set or tied at long-record stations worldwide.
63 were record highs and 285 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 609 daily.
Lake Leake (Elizabeth River) set a monthly record daily precipitation of 99.1 mm (3.9 in) on 18 September 1943.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 420 records.

Record Map

624 stations

624 station records on 18 September 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lake Leake (Elizabeth River)	Australia	Record daily precipitation	99.1 mm (3.9 in)	64 of 100 (Major)
Abbeville	United States	Record daily precipitation	133.4 mm (5.3 in)	55 of 100 (Notable)
Fingal (Legge Street)	Australia	Record daily precipitation	44.5 mm (1.8 in)	54 of 100 (Notable)
Pachmarhi	India	Record daily precipitation	220.5 mm (8.7 in)	54 of 100 (Notable)
Chimur	India	Record daily precipitation	155.7 mm (6.1 in)	54 of 100 (Notable)
Hammond	United States	Record daily precipitation	118.1 mm (4.6 in)	54 of 100 (Notable)
Woods (Quoin)	Australia	Record daily precipitation	36.6 mm (1.4 in)	52 of 100 (Notable)
Hinganghat	India	Record daily precipitation	158.0 mm (6.2 in)	52 of 100 (Notable)
Cranbrook (Cranbrook House)	Australia	Record daily precipitation	48.0 mm (1.9 in)	51 of 100 (Notable)
Khurda	India	Record daily precipitation	122.9 mm (4.8 in)	51 of 100 (Notable)
Talegaon	India	Record daily precipitation	161.3 mm (6.4 in)	50 of 100 (Notable)
Mount Seymour (Overton)	Australia	Record daily precipitation	30.2 mm (1.2 in)	49 of 100 (Notable)
Atner	India	Record daily precipitation	121.9 mm (4.8 in)	49 of 100 (Notable)
Goulds Country Post Office	Australia	Record daily precipitation	58.9 mm (2.3 in)	48 of 100 (Notable)
Ormley	Australia	Record daily precipitation	45.2 mm (1.8 in)	48 of 100 (Notable)
Sausar	India	Record daily precipitation	92.7 mm (3.6 in)	48 of 100 (Notable)
Houma	United States	Record daily precipitation	129.5 mm (5.1 in)	48 of 100 (Notable)
Chain of Lagoons	Australia	Record daily precipitation	50.3 mm (2.0 in)	44 of 100 (Notable)
Moorina (Frome Dam)	Australia	Record daily precipitation	45.2 mm (1.8 in)	44 of 100 (Notable)
Katangi	India	Record daily precipitation	113.0 mm (4.4 in)	44 of 100 (Notable)
Narsinghpur	India	Record daily precipitation	122.2 mm (4.8 in)	44 of 100 (Notable)
Paradis 7 S	United States	Record daily precipitation	129.5 mm (5.1 in)	44 of 100 (Notable)
Seoni	India	Record daily precipitation	122.7 mm (4.8 in)	43 of 100 (Notable)
Barud(Warud)	India	Record daily precipitation	104.6 mm (4.1 in)	43 of 100 (Notable)
Cinclare	United States	Record daily precipitation	87.6 mm (3.4 in)	43 of 100 (Notable)
St Joseph 3 N	United States	Record daily precipitation	45.5 mm (1.8 in)	43 of 100 (Notable)
Jeanerette 5 NW	United States	Record daily precipitation	94.7 mm (3.7 in)	42 of 100 (Notable)
Bay Saint Louis	United States	Record daily precipitation	106.7 mm (4.2 in)	42 of 100 (Notable)
Avoca (Railway House)	Australia	Record daily precipitation	34.3 mm (1.4 in)	41 of 100 (Notable)
New Orleans Audubon	United States	Record daily precipitation	109.2 mm (4.3 in)	39 of 100 (Notable)
Chindwara	India	Record daily precipitation	103.1 mm (4.1 in)	37 of 100 (Notable)
Lakhnadon	India	Record daily precipitation	67.8 mm (2.7 in)	37 of 100 (Notable)
Tower Hill	Australia	Record daily precipitation	63.5 mm (2.5 in)	36 of 100 (Notable)
Multai	India	Record daily precipitation	96.5 mm (3.8 in)	36 of 100 (Notable)
Little Swanport (Lisdillon)	Australia	Record daily precipitation	25.7 mm (1.0 in)	35 of 100 (Notable)
Tamia	India	Record daily precipitation	133.9 mm (5.3 in)	35 of 100 (Notable)
Hoshangabad	India	Record daily precipitation	98.8 mm (3.9 in)	35 of 100 (Notable)
Arvi	India	Record daily precipitation	88.9 mm (3.5 in)	34 of 100 (Routine)
Houston Wb City	United States	Record low maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Chikhalda Sr	India	Record daily precipitation	127.8 mm (5.0 in)	33 of 100 (Routine)
Franklin 3 NW	United States	Record daily precipitation	106.7 mm (4.2 in)	33 of 100 (Routine)
St Marys (Cullenswood)	Australia	Record daily precipitation	95.3 mm (3.8 in)	32 of 100 (Routine)
Bhainsdehi	India	Record daily precipitation	78.7 mm (3.1 in)	32 of 100 (Routine)
Anjangaon	India	Record daily precipitation	88.9 mm (3.5 in)	32 of 100 (Routine)
Katol	India	Record daily precipitation	82.6 mm (3.3 in)	32 of 100 (Routine)
Crescent City	United States	Record daily precipitation	82.6 mm (3.3 in)	32 of 100 (Routine)
Lake Leake (Kooeeyong)	Australia	Record daily precipitation	29.0 mm (1.1 in)	31 of 100 (Routine)
Mathinna (Fingal Road)	Australia	Record daily precipitation	65.3 mm (2.6 in)	31 of 100 (Routine)
Pioneer (Main Road)	Australia	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Woodstock	Canada	Record low minimum temperature	-2.8 C (27.0 F)	31 of 100 (Routine)
Wardha	India	Record daily precipitation	100.3 mm (3.9 in)	31 of 100 (Routine)
Jennings	United States	Record daily precipitation	77.0 mm (3.0 in)	31 of 100 (Routine)
Beaumont City	United States	Record low maximum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Seoni	India	Record daily precipitation	85.9 mm (3.4 in)	30 of 100 (Routine)
Cheneyville 1 NE	United States	Record low maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Natchez	United States	Record low maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Putbus	Germany	Record high maximum temperature	22.7 C (72.9 F)	28 of 100 (Routine)
Amraoti	India	Record daily precipitation	83.6 mm (3.3 in)	28 of 100 (Routine)
Warora	India	Record daily precipitation	95.0 mm (3.7 in)	28 of 100 (Routine)
Melville	United States	Record daily precipitation	43.7 mm (1.7 in)	28 of 100 (Routine)

Counts by Type and Timescale

624 records

Records set or tied on 18 September 1943 by type: Highest daily maximum 22, Lowest daily maximum 95, Highest daily minimum 41, Lowest daily minimum 190, Heaviest daily rainfall 271, Heaviest daily snowfall 5.

Records on 18 September 1943 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	95
Highest daily minimum	41
Lowest daily minimum	190
Heaviest daily rainfall	271
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 18 September 1943 by timescale: all-time 0, monthly 15, daily 609.

How Much Records Were Beaten By

509 broken records

Margins by which the 509 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 180.1. Ties are not counted.

Top 20 by Significance

18 September 1943

Top 20 records on 18 September 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1943	Lake Leake (Elizabeth River), AU	monthly rain	99.1 mm (3.9 in)	54.6 mm (2.1 in)	31 years	64 of 100 (Major)
18 September 1943	Abbeville, US	daily rain	133.4 mm (5.3 in)	86.4 mm (3.4 in)	37 years	55 of 100 (Notable)
18 September 1943	Fingal (Legge Street), AU	daily rain	44.5 mm (1.8 in)	29.3 mm (1.2 in)	32 years	54 of 100 (Notable)
18 September 1943	Pachmarhi, IN	daily rain	220.5 mm (8.7 in)	180.1 mm (7.1 in)	33 years	54 of 100 (Notable)
18 September 1943	Chimur, IN	daily rain	155.7 mm (6.1 in)	100.8 mm (4.0 in)	34 years	54 of 100 (Notable)
18 September 1943	Hammond, US	daily rain	118.1 mm (4.6 in)	97.8 mm (3.9 in)	30 years	54 of 100 (Notable)
18 September 1943	Woods (Quoin), AU	daily rain	36.6 mm (1.4 in)	23.9 mm (0.9 in)	30 years	52 of 100 (Notable)
18 September 1943	Hinganghat, IN	daily rain	158.0 mm (6.2 in)	102.1 mm (4.0 in)	26 years	52 of 100 (Notable)
18 September 1943	Cranbrook (Cranbrook House), AU	daily rain	48.0 mm (1.9 in)	35.8 mm (1.4 in)	25 years	51 of 100 (Notable)
18 September 1943	Khurda, IN	daily rain	122.9 mm (4.8 in)	74.4 mm (2.9 in)	36 years	51 of 100 (Notable)
18 September 1943	Talegaon, IN	daily rain	161.3 mm (6.4 in)	115.3 mm (4.5 in)	21 years	50 of 100 (Notable)
18 September 1943	Mount Seymour (Overton), AU	daily rain	30.2 mm (1.2 in)	22.8 mm (0.9 in)	22 years	49 of 100 (Notable)
18 September 1943	Atner, IN	daily rain	121.9 mm (4.8 in)	92.4 mm (3.6 in)	20 years	49 of 100 (Notable)
18 September 1943	Goulds Country Post Office, AU	daily rain	58.9 mm (2.3 in)	38.6 mm (1.5 in)	12 years	48 of 100 (Notable)
18 September 1943	Ormley, AU	daily rain	45.2 mm (1.8 in)	35.0 mm (1.4 in)	12 years	48 of 100 (Notable)
18 September 1943	Sausar, IN	daily rain	92.7 mm (3.6 in)	55.4 mm (2.2 in)	40 years	48 of 100 (Notable)
18 September 1943	Houma, US	daily rain	129.5 mm (5.1 in)	99.5 mm (3.9 in)	12 years	48 of 100 (Notable)
18 September 1943	Chain of Lagoons, AU	daily rain	50.3 mm (2.0 in)	33.0 mm (1.3 in)	21 years	44 of 100 (Notable)
18 September 1943	Moorina (Frome Dam), AU	daily rain	45.2 mm (1.8 in)	27.7 mm (1.1 in)	25 years	44 of 100 (Notable)
18 September 1943	Katangi, IN	daily rain	113.0 mm (4.4 in)	72.4 mm (2.9 in)	8 years	44 of 100 (Notable)

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 1943

Records set or tied on this calendar date in each year from 1803 to 1943. 1943 had 624 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 1943-09-18: 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 25	446
25 to 50	37
50 to 75	13
75 to 100	9
100 to 125	3
125 to 150	0
150 to 175	0
175 to 200	1