Weather Records on 11 September 1956

539 weather records were set or tied worldwide on 11 September 1956. Highest significance: Biri, NO.

Key Facts for 11 September 1956

On 11 September 1956, 539 weather records were set or tied at long-record stations worldwide.
172 were record highs and 197 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 3 monthly and 534 daily.
Biri set a daily record precipitation of 47.6 mm (1.9 in) on 11 September 1956.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 423 records.

Record Map

539 stations

539 station records on 11 September 1956 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Biri	Norway	Record daily precipitation	47.6 mm (1.9 in)	57 of 100 (Notable)
Paynesville	Australia	Record daily precipitation	33.8 mm (1.3 in)	55 of 100 (Notable)
Roros	Norway	Record daily precipitation	30.3 mm (1.2 in)	55 of 100 (Notable)
Murrungowar	Australia	Record daily precipitation	92.5 mm (3.6 in)	50 of 100 (Notable)
Nicholson (Yendalock)	Australia	Record daily precipitation	45.2 mm (1.8 in)	50 of 100 (Notable)
Sovetskaja Gavan	Russia	Record daily precipitation	116.4 mm (4.6 in)	49 of 100 (Notable)
Orbost (Comparison)	Australia	Record daily precipitation	48.3 mm (1.9 in)	44 of 100 (Notable)
Mussoorie	India	Record daily precipitation	112.3 mm (4.4 in)	44 of 100 (Notable)
Nord Odal	Norway	Record daily precipitation	45.0 mm (1.8 in)	44 of 100 (Notable)
Bairnsdale Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	43 of 100 (Notable)
Albany 3 SE	United States	Record low minimum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Buchan	Australia	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Butchers Ridge Post Office	Australia	Record daily precipitation	39.4 mm (1.6 in)	41 of 100 (Notable)
Paynesville (Banksia)	Australia	Record daily precipitation	26.9 mm (1.1 in)	40 of 100 (Notable)
Potchefstroom;Braksp	South Africa	Record daily precipitation	39.2 mm (1.5 in)	39 of 100 (Notable)
Arrah Obsy Sr	India	Record daily precipitation	138.7 mm (5.5 in)	38 of 100 (Notable)
Bjornholt	Norway	Record daily precipitation	76.1 mm (3.0 in)	37 of 100 (Notable)
Tshakhuma	South Africa	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)
Lakes Entrance Post Office	Australia	Record daily precipitation	33.3 mm (1.3 in)	36 of 100 (Notable)
Lien I Selbu	Norway	Record daily precipitation	25.6 mm (1.0 in)	36 of 100 (Notable)
Nes Pa Hedmark	Norway	Record daily precipitation	65.0 mm (2.6 in)	36 of 100 (Notable)
Bushy Band	South Africa	Record daily precipitation	29.4 mm (1.2 in)	36 of 100 (Notable)
Bumping Lake	United States	Record daily precipitation	29.5 mm (1.2 in)	36 of 100 (Notable)
Bruthen (Post Office)	Australia	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Lunner	Norway	Record daily precipitation	61.5 mm (2.4 in)	35 of 100 (Notable)
Urjupinsk	Russia	Record daily precipitation	27.0 mm (1.1 in)	35 of 100 (Notable)
Camden 3 W	United States	Record low minimum temperature	5.0 C (41.0 F)	35 of 100 (Notable)
Dehri	India	Record daily precipitation	127.0 mm (5.0 in)	34 of 100 (Routine)
Ennore Obsy	India	Record daily precipitation	57.2 mm (2.3 in)	33 of 100 (Routine)
Hawkinsville	United States	Record low minimum temperature	7.2 C (45.0 F)	33 of 100 (Routine)
Lake Keechelus	United States	Record daily precipitation	35.8 mm (1.4 in)	33 of 100 (Routine)
Woodhouselee (Leeston)	Australia	Record daily precipitation	26.4 mm (1.0 in)	32 of 100 (Routine)
Gospic	Croatia	Record high minimum temperature	15.5 C (59.9 F)	31 of 100 (Routine)
Potchefstroom	South Africa	Record daily precipitation	30.7 mm (1.2 in)	31 of 100 (Routine)
Goedehoop (Bos)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
Camp Hill 2NW	United States	Record low minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Paliganj	India	Record daily precipitation	108.0 mm (4.3 in)	29 of 100 (Routine)
De Funiak Springs 1 E	United States	Record low minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Milledgeville	United States	Record low minimum temperature	8.3 C (46.9 F)	29 of 100 (Routine)
Wulgulmerang	Australia	Record daily precipitation	25.7 mm (1.0 in)	28 of 100 (Routine)
Eidsvoll Verk	Norway	Record daily precipitation	35.9 mm (1.4 in)	28 of 100 (Routine)
Ozark 6 NNW	United States	Record low minimum temperature	12.2 C (54.0 F)	28 of 100 (Routine)
Greensboro	United States	Record low minimum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Manhattan	United States	Record high maximum temperature	41.7 C (107.1 F)	28 of 100 (Routine)
Minneapolis	United States	Record high maximum temperature	41.1 C (106.0 F)	28 of 100 (Routine)
Hennessey 4 ESE	United States	Record high maximum temperature	40.0 C (104.0 F)	28 of 100 (Routine)
Greenwood	United States	Record low minimum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Bonang	Australia	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Nawadah	India	Record daily precipitation	66.0 mm (2.6 in)	27 of 100 (Routine)
Saint Leo	United States	Record low minimum temperature	18.3 C (64.9 F)	27 of 100 (Routine)
Jornada Exp Range	United States	Record low minimum temperature	1.7 C (35.1 F)	27 of 100 (Routine)
Daudnagar(Haspur)	India	Record daily precipitation	121.2 mm (4.8 in)	26 of 100 (Routine)
Bergzicht	South Africa	Record daily precipitation	26.5 mm (1.0 in)	26 of 100 (Routine)
Livingston	United States	Record low minimum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Bainbridge	United States	Record low minimum temperature	9.4 C (48.9 F)	26 of 100 (Routine)
Fitzgerald	United States	Record low minimum temperature	11.1 C (52.0 F)	26 of 100 (Routine)
Thomasville 7 NE	United States	Record low minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Beaufort Wwtp	United States	Record low minimum temperature	11.1 C (52.0 F)	26 of 100 (Routine)
Newberry	United States	Record low minimum temperature	7.8 C (46.0 F)	26 of 100 (Routine)
Manikpur	India	Record daily precipitation	116.8 mm (4.6 in)	25 of 100 (Routine)

Counts by Type and Timescale

539 records

Records set or tied on 11 September 1956 by type: Highest daily maximum 140, Lowest daily maximum 34, Highest daily minimum 32, Lowest daily minimum 163, Heaviest daily rainfall 170.

Records on 11 September 1956 by type
Record type	Records
Highest daily maximum	140
Lowest daily maximum	34
Highest daily minimum	32
Lowest daily minimum	163
Heaviest daily rainfall	170
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 September 1956 by timescale: all-time 2, monthly 3, daily 534.

How Much Records Were Beaten By

415 broken records

Margins by which the 415 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.9. Ties are not counted.

Top 20 by Significance

11 September 1956

Top 20 records on 11 September 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1956	Biri, NO	daily rain	47.6 mm (1.9 in)	29.6 mm (1.2 in)	42 years	57 of 100 (Notable)
11 September 1956	Paynesville, AU	daily rain	33.8 mm (1.3 in)	26.2 mm (1.0 in)	46 years	55 of 100 (Notable)
11 September 1956	Roros, NO	daily rain	30.3 mm (1.2 in)	20.5 mm (0.8 in)	30 years	55 of 100 (Notable)
11 September 1956	Murrungowar, AU	daily rain	92.5 mm (3.6 in)	79.3 mm (3.1 in)	19 years	50 of 100 (Notable)
11 September 1956	Nicholson (Yendalock), AU	daily rain	45.2 mm (1.8 in)	35.8 mm (1.4 in)	17 years	50 of 100 (Notable)
11 September 1956	Sovetskaja Gavan, RU	daily rain	116.4 mm (4.6 in)	70.9 mm (2.8 in)	17 years	49 of 100 (Notable)
11 September 1956	Orbost (Comparison), AU	daily rain	48.3 mm (1.9 in)	30.5 mm (1.2 in)	34 years	44 of 100 (Notable)
11 September 1956	Mussoorie, IN	daily rain	112.3 mm (4.4 in)	70.9 mm (2.8 in)	54 years	44 of 100 (Notable)
11 September 1956	Nord Odal, NO	daily rain	45.0 mm (1.8 in)	26.0 mm (1.0 in)	8 years	44 of 100 (Notable)
11 September 1956	Bairnsdale Post Office, AU	daily rain	28.4 mm (1.1 in)	13.9 mm (0.5 in)	54 years	43 of 100 (Notable)
11 September 1956	Albany 3 SE, US	daily low min	8.3 C (46.9 F)	6.1 C (11.0 F)	54 years	43 of 100 (Notable)
11 September 1956	Buchan, AU	daily rain	27.9 mm (1.1 in)	15.2 mm (0.6 in)	54 years	41 of 100 (Notable)
11 September 1956	Butchers Ridge Post Office, AU	daily rain	39.4 mm (1.6 in)	20.6 mm (0.8 in)	54 years	41 of 100 (Notable)
11 September 1956	Paynesville (Banksia), AU	daily rain	26.9 mm (1.1 in)	11.9 mm (0.5 in)	58 years	40 of 100 (Notable)
11 September 1956	Potchefstroom;Braksp, ZA	daily rain	39.2 mm (1.5 in)	22.4 mm (0.9 in)	51 years	39 of 100 (Notable)
11 September 1956	Arrah Obsy Sr, IN	daily rain	138.7 mm (5.5 in)	90.9 mm (3.6 in)	4 years	38 of 100 (Notable)
11 September 1956	Bjornholt, NO	monthly rain	76.1 mm (3.0 in)	0.1 mm (0.00 in)	68 years	37 of 100 (Notable)
11 September 1956	Tshakhuma, ZA	daily rain	32.0 mm (1.3 in)	29.0 mm (1.1 in)	20 years	37 of 100 (Notable)
11 September 1956	Lakes Entrance Post Office, AU	daily rain	33.3 mm (1.3 in)	19.3 mm (0.8 in)	12 years	36 of 100 (Notable)
11 September 1956	Lien I Selbu, NO	daily rain	25.6 mm (1.0 in)	12.3 mm (0.5 in)	27 years	36 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

1809 to 1956

Records set or tied on this calendar date in each year from 1809 to 1956. 1956 had 539 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 1956-09-11: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	386
20 to 40	22
40 to 60	2
60 to 80	4
80 to 100	1