Weather Records on 11 September 1931

868 weather records were set or tied worldwide on 11 September 1931. Highest significance: Elgin Downs, AU.

Key Facts for 11 September 1931

On 11 September 1931, 868 weather records were set or tied at long-record stations worldwide.
615 were record highs and 38 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 95 monthly and 769 daily.
Elgin Downs set a daily record precipitation of 52.3 mm (2.1 in) on 11 September 1931.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 421 records.

Record Map

868 stations

868 station records on 11 September 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Elgin Downs	Australia	Record daily precipitation	52.3 mm (2.1 in)	56 of 100 (Notable)
Alpha Post Office	Australia	Record daily precipitation	46.2 mm (1.8 in)	54 of 100 (Notable)
Dharwar	India	Record daily precipitation	78.2 mm (3.1 in)	49 of 100 (Notable)
Dingo Post Office	Australia	Record daily precipitation	57.2 mm (2.3 in)	48 of 100 (Notable)
Trichur	India	Record daily precipitation	108.2 mm (4.3 in)	48 of 100 (Notable)
Palani	India	Record daily precipitation	60.5 mm (2.4 in)	47 of 100 (Notable)
Blackwater Post Office	Australia	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)
Vedasandur	India	Record daily precipitation	97.8 mm (3.9 in)	44 of 100 (Notable)
Tiruvangadi	India	Record daily precipitation	131.6 mm (5.2 in)	43 of 100 (Notable)
Cherapalaseri	India	Record daily precipitation	99.6 mm (3.9 in)	42 of 100 (Notable)
Ottapalam	India	Record daily precipitation	73.7 mm (2.9 in)	40 of 100 (Notable)
Springsure Comet St	Australia	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Kozhikode	India	Record daily precipitation	104.4 mm (4.1 in)	39 of 100 (Notable)
Clermont Sirius St	Australia	Record daily precipitation	33.8 mm (1.3 in)	38 of 100 (Notable)
Perinthalamanna	India	Record daily precipitation	136.4 mm (5.4 in)	38 of 100 (Notable)
Belur	India	Record daily precipitation	64.3 mm (2.5 in)	36 of 100 (Notable)
Pine Hill Railway Station	Australia	Record daily precipitation	39.1 mm (1.5 in)	35 of 100 (Notable)
Bimerah	Australia	Record daily precipitation	28.7 mm (1.1 in)	35 of 100 (Notable)
Anakie Richardson St	Australia	Record daily precipitation	27.4 mm (1.1 in)	34 of 100 (Routine)
Sanivarsanthe	India	Record daily precipitation	62.5 mm (2.5 in)	34 of 100 (Routine)
Pala	India	Record daily precipitation	79.5 mm (3.1 in)	34 of 100 (Routine)
Ben Lomond	Australia	Record daily precipitation	39.4 mm (1.6 in)	33 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high maximum temperature	35.6 C (96.1 F)	32 of 100 (Routine)
Peterborough	Canada	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Jericho Store	Australia	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Kingston Queens U	Canada	Record high maximum temperature	31.1 C (88.0 F)	31 of 100 (Routine)
Urvakonda	India	Record daily precipitation	67.1 mm (2.6 in)	30 of 100 (Routine)
Manjeri	India	Record daily precipitation	146.1 mm (5.8 in)	30 of 100 (Routine)
Tenterden	Australia	Record daily precipitation	40.4 mm (1.6 in)	29 of 100 (Routine)
Toronto	Canada	Record high maximum temperature	35.6 C (96.1 F)	29 of 100 (Routine)
Bogantungan Post Office	Australia	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Capella Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Isisford Post Office	Australia	Record daily precipitation	27.7 mm (1.1 in)	28 of 100 (Routine)
Chickmagalur	India	Record daily precipitation	43.2 mm (1.7 in)	28 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	38.9 C (102.0 F)	27 of 100 (Routine)
Turners Falls	United States	Record high maximum temperature	36.1 C (97.0 F)	27 of 100 (Routine)
St Lawrence Post Office	Australia	Record daily precipitation	41.4 mm (1.6 in)	26 of 100 (Routine)
Peak Downs	Australia	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Westwood Store	Australia	Record daily precipitation	40.4 mm (1.6 in)	26 of 100 (Routine)
Lucknow	Canada	Record high maximum temperature	36.1 C (97.0 F)	26 of 100 (Routine)
Kothapeta	India	Record daily precipitation	96.5 mm (3.8 in)	26 of 100 (Routine)
Winnibigoshish Dam	United States	Record high minimum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Lowville	United States	Record high maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
World Trade Ctr	United States	Record high minimum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Philadelphia City	United States	Record high minimum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Emerald Post Office	Australia	Record low maximum temperature	19.2 C (66.6 F)	25 of 100 (Routine)
Alton	Canada	Record high maximum temperature	35.0 C (95.0 F)	25 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Badagara	India	Record daily precipitation	71.9 mm (2.8 in)	25 of 100 (Routine)
Mannarghat	India	Record daily precipitation	63.5 mm (2.5 in)	25 of 100 (Routine)
Bird Island	United States	Record high minimum temperature	29.4 C (84.9 F)	25 of 100 (Routine)
Pine Rvr Dam	United States	Record high minimum temperature	22.2 C (72.0 F)	25 of 100 (Routine)
Belvidere	United States	Record high maximum temperature	37.2 C (99.0 F)	25 of 100 (Routine)
Lockport 2SE	United States	Record high maximum temperature	32.8 C (91.0 F)	25 of 100 (Routine)
Forestburg 4 NNE	United States	Record high minimum temperature	23.3 C (73.9 F)	25 of 100 (Routine)
Aberdeen	United States	Record high minimum temperature	25.6 C (78.1 F)	25 of 100 (Routine)
Ny City Cntrl Park	United States	Record high maximum temperature	37.2 C (99.0 F)	25 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	13.3 C (55.9 F)	24 of 100 (Routine)
Toronto Agincourt	Canada	Record high maximum temperature	36.7 C (98.1 F)	24 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record low minimum temperature	3.9 C (39.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

868 records

Records set or tied on 11 September 1931 by type: Highest daily maximum 376, Lowest daily maximum 13, Highest daily minimum 239, Lowest daily minimum 25, Heaviest daily rainfall 215.

Records on 11 September 1931 by type
Record type	Records
Highest daily maximum	376
Lowest daily maximum	13
Highest daily minimum	239
Lowest daily minimum	25
Heaviest daily rainfall	215
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 September 1931 by timescale: all-time 4, monthly 95, daily 769.

How Much Records Were Beaten By

688 broken records

Margins by which the 688 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

11 September 1931

Top 20 records on 11 September 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1931	Elgin Downs, AU	daily rain	52.3 mm (2.1 in)	52.3 mm (2.1 in)	42 years	56 of 100 (Notable)
11 September 1931	Alpha Post Office, AU	daily rain	46.2 mm (1.8 in)	46.2 mm (1.8 in)	43 years	54 of 100 (Notable)
11 September 1931	Dharwar, IN	daily rain	78.2 mm (3.1 in)	68.5 mm (2.7 in)	20 years	49 of 100 (Notable)
11 September 1931	Dingo Post Office, AU	daily rain	57.2 mm (2.3 in)	55.7 mm (2.2 in)	24 years	48 of 100 (Notable)
11 September 1931	Trichur, IN	daily rain	108.2 mm (4.3 in)	77.2 mm (3.0 in)	16 years	48 of 100 (Notable)
11 September 1931	Palani, IN	daily rain	60.5 mm (2.4 in)	52.1 mm (2.1 in)	13 years	47 of 100 (Notable)
11 September 1931	Blackwater Post Office, AU	daily rain	41.9 mm (1.6 in)	41.9 mm (1.6 in)	35 years	45 of 100 (Notable)
11 September 1931	Vedasandur, IN	daily rain	97.8 mm (3.9 in)	79.0 mm (3.1 in)	4 years	44 of 100 (Notable)
11 September 1931	Tiruvangadi, IN	daily rain	131.6 mm (5.2 in)	90.7 mm (3.6 in)	0 years	43 of 100 (Notable)
11 September 1931	Cherapalaseri, IN	daily rain	99.6 mm (3.9 in)	73.2 mm (2.9 in)	0 years	42 of 100 (Notable)
11 September 1931	Ottapalam, IN	daily rain	73.7 mm (2.9 in)	44.7 mm (1.8 in)	16 years	40 of 100 (Notable)
11 September 1931	Springsure Comet St, AU	daily rain	38.1 mm (1.5 in)	28.4 mm (1.1 in)	38 years	39 of 100 (Notable)
11 September 1931	Kozhikode, IN	daily rain	104.4 mm (4.1 in)	55.4 mm (2.2 in)	25 years	39 of 100 (Notable)
11 September 1931	Clermont Sirius St, AU	daily rain	33.8 mm (1.3 in)	29.2 mm (1.1 in)	38 years	38 of 100 (Notable)
11 September 1931	Perinthalamanna, IN	monthly rain	136.4 mm (5.4 in)	38.1 mm (1.5 in)	13 years	38 of 100 (Notable)
11 September 1931	Belur, IN	daily rain	64.3 mm (2.5 in)	32.5 mm (1.3 in)	16 years	36 of 100 (Notable)
11 September 1931	Pine Hill Railway Station, AU	daily rain	39.1 mm (1.5 in)	26.4 mm (1.0 in)	38 years	35 of 100 (Notable)
11 September 1931	Bimerah, AU	daily rain	28.7 mm (1.1 in)	28.7 mm (1.1 in)	43 years	35 of 100 (Notable)
11 September 1931	Anakie Richardson St, AU	daily rain	27.4 mm (1.1 in)	27.4 mm (1.1 in)	33 years	34 of 100 (Routine)
11 September 1931	Sanivarsanthe, IN	daily rain	62.5 mm (2.5 in)	33.3 mm (1.3 in)	4 years	34 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

1809 to 1931

Records set or tied on this calendar date in each year from 1809 to 1931. 1931 had 868 records.

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

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 1931-09-11: 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	641
20 to 40	32
40 to 60	10
60 to 80	4
80 to 100	1