Weather Records on 13 September 1940

841 weather records were set or tied worldwide on 13 September 1940. Highest significance: Narracan East (Lynnsmere), AU.

Key Facts for 13 September 1940

On 13 September 1940, 841 weather records were set or tied at long-record stations worldwide.
115 were record highs and 325 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 838 daily.
Narracan East (Lynnsmere) set a daily record precipitation of 43.7 mm (1.7 in) on 13 September 1940.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 428 records.

Record Map

841 stations

841 station records on 13 September 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 September 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Narracan East (Lynnsmere)	Australia	Record daily precipitation	43.7 mm (1.7 in)	53 of 100 (Notable)
Gjerstad I Aust-Agder	Norway	Record daily precipitation	82.2 mm (3.2 in)	53 of 100 (Notable)
Jindivick	Australia	Record daily precipitation	51.8 mm (2.0 in)	50 of 100 (Notable)
Hill End Post Office	Australia	Record daily precipitation	39.1 mm (1.5 in)	49 of 100 (Notable)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	64.0 mm (2.5 in)	49 of 100 (Notable)
Gannapan	South Africa	Record daily precipitation	26.4 mm (1.0 in)	49 of 100 (Notable)
Koo Wee Rup	Australia	Record daily precipitation	37.1 mm (1.5 in)	48 of 100 (Notable)
Caulfield (Racecourse)	Australia	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Narracan State School	Australia	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Maroondah Weir (Melbourne Wate	Australia	Record daily precipitation	50.0 mm (2.0 in)	45 of 100 (Notable)
Toorak	Australia	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Port Albert	Australia	Record daily precipitation	27.2 mm (1.1 in)	44 of 100 (Notable)
Loch	Australia	Record daily precipitation	39.1 mm (1.5 in)	44 of 100 (Notable)
Prahran (Como House)	Australia	Record daily precipitation	32.8 mm (1.3 in)	44 of 100 (Notable)
Aberfeldy	Australia	Record daily precipitation	54.1 mm (2.1 in)	43 of 100 (Notable)
Rajampet	India	Record daily precipitation	64.0 mm (2.5 in)	43 of 100 (Notable)
Foster (Post Office)	Australia	Record daily precipitation	39.1 mm (1.5 in)	42 of 100 (Notable)
Murrumbeena Leeds Grove	Australia	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Tada	India	Record daily precipitation	94.7 mm (3.7 in)	42 of 100 (Notable)
Molesworth	Australia	Record daily precipitation	41.1 mm (1.6 in)	41 of 100 (Notable)
Moe Gippsland Water	Australia	Record daily precipitation	42.2 mm (1.7 in)	40 of 100 (Notable)
Trafalgar Toseland Road	Australia	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)
Leongatha (Veronica)	Australia	Record daily precipitation	36.6 mm (1.4 in)	40 of 100 (Notable)
Mount Macedon	Australia	Record daily precipitation	42.9 mm (1.7 in)	40 of 100 (Notable)
Ongole	India	Record daily precipitation	73.7 mm (2.9 in)	40 of 100 (Notable)
Yarram	Australia	Record daily precipitation	25.7 mm (1.0 in)	39 of 100 (Notable)
Essendon 1	Australia	Record daily precipitation	29.0 mm (1.1 in)	39 of 100 (Notable)
Glenaroua	Australia	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Heathcote	Australia	Record daily precipitation	36.3 mm (1.4 in)	39 of 100 (Notable)
Wellwood	Australia	Record daily precipitation	30.7 mm (1.2 in)	38 of 100 (Notable)
Leongatha Sth Gippsland Water	Australia	Record daily precipitation	35.8 mm (1.4 in)	38 of 100 (Notable)
San Remo	Australia	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Cambridge	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Pearlington	United States	Record low minimum temperature	8.3 C (46.9 F)	37 of 100 (Notable)
Boolarra	Australia	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Hawthorn	Australia	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Yannathan	Australia	Record daily precipitation	33.5 mm (1.3 in)	36 of 100 (Notable)
Jeanerette 5 NW	United States	Record low minimum temperature	8.3 C (46.9 F)	36 of 100 (Notable)
Lardner (Brandie Braes)	Australia	Record daily precipitation	30.7 mm (1.2 in)	35 of 100 (Notable)
Garfield	Australia	Record daily precipitation	27.2 mm (1.1 in)	35 of 100 (Notable)
High River	Canada	Record daily precipitation	59.2 mm (2.3 in)	35 of 100 (Notable)
Kalahasti	India	Record daily precipitation	59.4 mm (2.3 in)	35 of 100 (Notable)
Arkonam	India	Record daily precipitation	64.3 mm (2.5 in)	35 of 100 (Notable)
Virudhunagar	India	Record daily precipitation	68.1 mm (2.7 in)	35 of 100 (Notable)
Bhagwanpur	India	Record daily precipitation	118.1 mm (4.6 in)	35 of 100 (Notable)
Basirhat	India	Record daily precipitation	79.2 mm (3.1 in)	35 of 100 (Notable)
Murchison	Australia	Record daily precipitation	39.4 mm (1.6 in)	34 of 100 (Routine)
Woods Point	Australia	Record daily precipitation	66.3 mm (2.6 in)	34 of 100 (Routine)
Agnes River	Australia	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Clyde State School	Australia	Record daily precipitation	37.6 mm (1.5 in)	34 of 100 (Routine)
Blackwood	Australia	Record daily precipitation	48.3 mm (1.9 in)	34 of 100 (Routine)
Mercanam	India	Record daily precipitation	80.5 mm (3.2 in)	34 of 100 (Routine)
Covelong	India	Record daily precipitation	71.9 mm (2.8 in)	34 of 100 (Routine)
Warragul (Carbethon)	Australia	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Longwarry	Australia	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Reserve	United States	Record low minimum temperature	10.6 C (51.1 F)	33 of 100 (Routine)
Blackwarry	Australia	Record daily precipitation	41.1 mm (1.6 in)	32 of 100 (Routine)
Carrajung Post Office	Australia	Record daily precipitation	36.3 mm (1.4 in)	32 of 100 (Routine)
Dandenong Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Yea	Australia	Record daily precipitation	37.8 mm (1.5 in)	32 of 100 (Routine)

Counts by Type and Timescale

841 records

Records set or tied on 13 September 1940 by type: Highest daily maximum 18, Lowest daily maximum 46, Highest daily minimum 97, Lowest daily minimum 279, Heaviest daily rainfall 401.

Records on 13 September 1940 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	46
Highest daily minimum	97
Lowest daily minimum	279
Heaviest daily rainfall	401
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 13 September 1940 by timescale: all-time 0, monthly 3, daily 838.

How Much Records Were Beaten By

743 broken records

Margins by which the 743 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 65.2. Ties are not counted.

Top 20 by Significance

13 September 1940

Top 20 records on 13 September 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 September 1940	Narracan East (Lynnsmere), AU	daily rain	43.7 mm (1.7 in)	28.0 mm (1.1 in)	32 years	53 of 100 (Notable)
13 September 1940	Gjerstad I Aust-Agder, NO	daily rain	82.2 mm (3.2 in)	50.7 mm (2.0 in)	43 years	53 of 100 (Notable)
13 September 1940	Jindivick, AU	daily rain	51.8 mm (2.0 in)	28.4 mm (1.1 in)	32 years	50 of 100 (Notable)
13 September 1940	Hill End Post Office, AU	daily rain	39.1 mm (1.5 in)	28.4 mm (1.1 in)	30 years	49 of 100 (Notable)
13 September 1940	Kinglake West (Wallaby Creek), AU	daily rain	64.0 mm (2.5 in)	38.3 mm (1.5 in)	15 years	49 of 100 (Notable)
13 September 1940	Gannapan, ZA	daily rain	26.4 mm (1.0 in)	26.4 mm (1.0 in)	58 years	49 of 100 (Notable)
13 September 1940	Koo Wee Rup, AU	daily rain	37.1 mm (1.5 in)	21.6 mm (0.9 in)	23 years	48 of 100 (Notable)
13 September 1940	Caulfield (Racecourse), AU	daily rain	35.6 mm (1.4 in)	19.6 mm (0.8 in)	23 years	46 of 100 (Notable)
13 September 1940	Narracan State School, AU	daily rain	36.8 mm (1.4 in)	22.8 mm (0.9 in)	36 years	45 of 100 (Notable)
13 September 1940	Maroondah Weir (Melbourne Wate, AU	daily rain	50.0 mm (2.0 in)	26.6 mm (1.0 in)	37 years	45 of 100 (Notable)
13 September 1940	Toorak, AU	daily rain	33.0 mm (1.3 in)	19.0 mm (0.7 in)	30 years	45 of 100 (Notable)
13 September 1940	Port Albert, AU	daily rain	27.2 mm (1.1 in)	12.7 mm (0.5 in)	54 years	44 of 100 (Notable)
13 September 1940	Loch, AU	daily rain	39.1 mm (1.5 in)	19.8 mm (0.8 in)	41 years	44 of 100 (Notable)
13 September 1940	Prahran (Como House), AU	daily rain	32.8 mm (1.3 in)	19.6 mm (0.8 in)	30 years	44 of 100 (Notable)
13 September 1940	Aberfeldy, AU	daily rain	54.1 mm (2.1 in)	26.9 mm (1.1 in)	40 years	43 of 100 (Notable)
13 September 1940	Rajampet, IN	daily rain	64.0 mm (2.5 in)	48.3 mm (1.9 in)	21 years	43 of 100 (Notable)
13 September 1940	Foster (Post Office), AU	daily rain	39.1 mm (1.5 in)	18.5 mm (0.7 in)	54 years	42 of 100 (Notable)
13 September 1940	Murrumbeena Leeds Grove, AU	daily rain	33.5 mm (1.3 in)	17.0 mm (0.7 in)	23 years	42 of 100 (Notable)
13 September 1940	Tada, IN	daily rain	94.7 mm (3.7 in)	65.2 mm (2.6 in)	9 years	42 of 100 (Notable)
13 September 1940	Molesworth, AU	daily rain	41.1 mm (1.6 in)	25.6 mm (1.0 in)	15 years	41 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

1793 to 1940

Records set or tied on this calendar date in each year from 1793 to 1940. 1940 had 841 records.

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

Records on 09-13 in each year
Year	Records
1793	1
1809	1
1814	1
1822	1
1835	1
1836	1
1839	1
1849	1
1850	2
1851	1
1856	1
1857	1
1859	1
1860	1
1864	1
1866	1
1867	2
1868	1
1872	3
1876	1
1878	1
1880	2
1882	2
1883	1
1886	1
1887	1
1888	1
1889	1
1891	1
1892	4
1893	2
1894	2
1895	1
1896	2
1897	3
1899	7
1900	3
1901	15
1902	30
1903	17
1904	8
1905	7
1906	23
1907	6
1908	11
1909	26
1910	11
1911	65
1912	23
1913	43
1914	42
1915	48
1916	19
1917	172
1918	33
1919	88
1920	48
1921	63
1922	124
1923	122
1924	65
1925	294
1926	76
1927	439
1928	253
1929	187
1930	284
1931	639
1932	171
1933	299
1934	187
1935	363
1936	519
1937	486
1938	382
1939	918
1940	841
1941	299
1942	287
1943	602
1944	361
1945	657
1946	423
1947	491
1948	472
1949	935
1950	657
1951	469
1952	569
1953	732
1954	291
1955	387
1956	332
1957	544
1958	578
1959	740
1960	660
1961	972
1962	378
1963	676
1964	645
1965	572
1966	501
1967	420
1968	239
1969	518
1970	1,216
1971	708
1972	396
1973	746
1974	965
1975	1,365
1976	411
1977	457
1978	796
1979	574
1980	648
1981	408
1982	1,004
1983	703
1984	646
1985	852
1986	741
1987	970
1988	902
1989	1,243
1990	1,187
1991	672
1992	580
1993	1,143
1994	667
1995	845
1996	1,117
1997	657
1998	1,654
1999	847
2000	856
2001	841
2002	879
2003	728
2004	743
2005	854
2006	1,076
2007	543
2008	1,508
2009	811
2010	827
2011	1,099
2012	526
2013	967
2014	1,291
2015	879
2016	1,093
2017	945
2018	636
2019	660
2020	591
2021	416
2022	668
2023	514
2024	818
2025	492
2026	905

Download the Data

Data for records on 1940-09-13: 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 10	593
10 to 20	104
20 to 30	24
30 to 40	13
40 to 50	5
50 to 60	3
60 to 70	1