Weather Records on 15 September 1956

646 weather records were set or tied worldwide on 15 September 1956. Highest significance: Purnea, IN.

Key Facts for 15 September 1956

On 15 September 1956, 646 weather records were set or tied at long-record stations worldwide.
292 were record highs and 190 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 14 monthly and 629 daily.
Purnea set a daily record precipitation of 212.1 mm (8.4 in) on 15 September 1956.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 412 records.

Record Map

646 stations

646 station records on 15 September 1956 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Purnea	India	Record daily precipitation	212.1 mm (8.4 in)	58 of 100 (Notable)
Muhammadpur	India	Record daily precipitation	209.6 mm (8.3 in)	55 of 100 (Notable)
Williamstown	United States	Record daily precipitation	90.2 mm (3.6 in)	52 of 100 (Notable)
Kerakat	India	Record daily precipitation	211.8 mm (8.3 in)	47 of 100 (Notable)
Ghazipur	India	Record daily precipitation	156.5 mm (6.2 in)	46 of 100 (Notable)
Kislovodsk	Russia	Record daily precipitation	29.4 mm (1.2 in)	46 of 100 (Notable)
Omalur	India	Record daily precipitation	92.5 mm (3.6 in)	45 of 100 (Notable)
Ghosi	India	Record daily precipitation	182.4 mm (7.2 in)	45 of 100 (Notable)
Bingil Bay	Australia	Record daily precipitation	51.8 mm (2.0 in)	44 of 100 (Notable)
Carmi 6 NW	United States	Record daily precipitation	70.4 mm (2.8 in)	41 of 100 (Notable)
Monsildale	Australia	Record daily precipitation	38.4 mm (1.5 in)	40 of 100 (Notable)
Barrie	Canada	Record low maximum temperature	8.9 C (48.0 F)	39 of 100 (Notable)
Norddal	Norway	Record daily precipitation	28.3 mm (1.1 in)	39 of 100 (Notable)
Deogaon Lalganj	India	Record daily precipitation	279.4 mm (11.0 in)	38 of 100 (Notable)
Belleville	Canada	Record low maximum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Jiwanpur Sagri	India	Record daily precipitation	248.9 mm (9.8 in)	37 of 100 (Notable)
Sulitjelma	Norway	Record daily precipitation	38.2 mm (1.5 in)	37 of 100 (Notable)
Kuppam	India	Record daily precipitation	75.7 mm (3.0 in)	36 of 100 (Notable)
Pembroke Eddy Match	Canada	Record low minimum temperature	0.6 C (33.1 F)	35 of 100 (Notable)
Barrie	Canada	Record low minimum temperature	-1.7 C (28.9 F)	35 of 100 (Notable)
Chintamani	India	Record daily precipitation	94.7 mm (3.7 in)	35 of 100 (Notable)
Azamgarh	India	Record daily precipitation	210.8 mm (8.3 in)	35 of 100 (Notable)
Titusville	United States	Record low minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Pikeville	United States	Record daily precipitation	68.3 mm (2.7 in)	35 of 100 (Notable)
Stratford	Canada	Record low maximum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Pulivendla	India	Record daily precipitation	73.9 mm (2.9 in)	34 of 100 (Routine)
Federal Pt	United States	Record low minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Tirunelveli	India	Record daily precipitation	33.8 mm (1.3 in)	33 of 100 (Routine)
Parry Sound	Canada	Record low minimum temperature	-1.1 C (30.0 F)	32 of 100 (Routine)
Mt Brisbane	Australia	Record daily precipitation	25.7 mm (1.0 in)	31 of 100 (Routine)
Kolar	India	Record daily precipitation	110.7 mm (4.4 in)	31 of 100 (Routine)
Ocala	United States	Record low minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Madhipura	India	Record daily precipitation	104.1 mm (4.1 in)	30 of 100 (Routine)
Moores Hill	United States	Record daily precipitation	46.2 mm (1.8 in)	30 of 100 (Routine)
Peraiyur	India	Record daily precipitation	71.1 mm (2.8 in)	29 of 100 (Routine)
Brooksville Chin Hill	United States	Record low minimum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
Flemingsburg 2 N	United States	Record daily precipitation	47.2 mm (1.9 in)	29 of 100 (Routine)
Springer	United States	Record high maximum temperature	36.1 C (97.0 F)	29 of 100 (Routine)
Hennessey 4 ESE	United States	Record high maximum temperature	40.6 C (105.1 F)	29 of 100 (Routine)
Red Deer	Canada	Record high minimum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
North Bay	Canada	Record low minimum temperature	0.0 C (32.0 F)	28 of 100 (Routine)
Kadiri	India	Record daily precipitation	81.3 mm (3.2 in)	28 of 100 (Routine)
Sotchi	Russia	Record low maximum temperature	15.7 C (60.3 F)	28 of 100 (Routine)
Owensboro 3ENE	United States	Record daily precipitation	26.4 mm (1.0 in)	28 of 100 (Routine)
Roswell Muni AP	United States	Record high maximum temperature	38.3 C (100.9 F)	28 of 100 (Routine)
High River	Canada	Record high minimum temperature	10.6 C (51.1 F)	27 of 100 (Routine)
Haliburton A	Canada	Record low maximum temperature	8.9 C (48.0 F)	27 of 100 (Routine)
Nurnberg	Germany	Record low minimum temperature	1.0 C (33.8 F)	27 of 100 (Routine)
Gorakhpur	India	Record daily precipitation	180.3 mm (7.1 in)	27 of 100 (Routine)
Umlaas Waterworks	South Africa	Record daily precipitation	28.5 mm (1.1 in)	27 of 100 (Routine)
Lake Moraine	United States	Record high maximum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Bartow 1SE	United States	Record low minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Fall Rvr Lake	United States	Record high minimum temperature	23.9 C (75.0 F)	27 of 100 (Routine)
Yates Ctr	United States	Record high maximum temperature	37.8 C (100.0 F)	27 of 100 (Routine)
Xenia 6 SSE	United States	Record daily precipitation	43.7 mm (1.7 in)	27 of 100 (Routine)
Wrangell AP	United States	Record low minimum temperature	-0.6 C (30.9 F)	27 of 100 (Routine)
White River	Canada	Record low minimum temperature	-6.7 C (19.9 F)	26 of 100 (Routine)
Louisville 1 E	United States	Record high maximum temperature	36.7 C (98.1 F)	26 of 100 (Routine)
Sedan	United States	Record high maximum temperature	41.1 C (106.0 F)	26 of 100 (Routine)
Lebanon 2W	United States	Record high minimum temperature	24.4 C (75.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

646 records

Records set or tied on 15 September 1956 by type: Highest daily maximum 196, Lowest daily maximum 118, Highest daily minimum 96, Lowest daily minimum 72, Heaviest daily rainfall 164.

Records on 15 September 1956 by type
Record type	Records
Highest daily maximum	196
Lowest daily maximum	118
Highest daily minimum	96
Lowest daily minimum	72
Heaviest daily rainfall	164
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 1956 by timescale: all-time 3, monthly 14, daily 629.

How Much Records Were Beaten By

525 broken records

Margins by which the 525 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.8. Ties are not counted.

Top 20 by Significance

15 September 1956

Top 20 records on 15 September 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1956	Purnea, IN	daily rain	212.1 mm (8.4 in)	113.3 mm (4.5 in)	45 years	58 of 100 (Notable)
15 September 1956	Muhammadpur, IN	daily rain	209.6 mm (8.3 in)	111.8 mm (4.4 in)	35 years	55 of 100 (Notable)
15 September 1956	Williamstown, US	monthly rain	90.2 mm (3.6 in)	31.8 mm (1.3 in)	23 years	52 of 100 (Notable)
15 September 1956	Kerakat, IN	daily rain	211.8 mm (8.3 in)	150.8 mm (5.9 in)	8 years	47 of 100 (Notable)
15 September 1956	Ghazipur, IN	daily rain	156.5 mm (6.2 in)	79.3 mm (3.1 in)	35 years	46 of 100 (Notable)
15 September 1956	Kislovodsk, RU	daily rain	29.4 mm (1.2 in)	15.4 mm (0.6 in)	56 years	46 of 100 (Notable)
15 September 1956	Omalur, IN	daily rain	92.5 mm (3.6 in)	47.5 mm (1.9 in)	39 years	45 of 100 (Notable)
15 September 1956	Ghosi, IN	daily rain	182.4 mm (7.2 in)	97.3 mm (3.8 in)	1 year	45 of 100 (Notable)
15 September 1956	Bingil Bay, AU	daily rain	51.8 mm (2.0 in)	39.4 mm (1.6 in)	23 years	44 of 100 (Notable)
15 September 1956	Carmi 6 NW, US	daily rain	70.4 mm (2.8 in)	49.1 mm (1.9 in)	26 years	41 of 100 (Notable)
15 September 1956	Monsildale, AU	daily rain	38.4 mm (1.5 in)	28.7 mm (1.1 in)	31 years	40 of 100 (Notable)
15 September 1956	Barrie, CA	daily low max	8.9 C (48.0 F)	2.2 C (4.0 F)	89 years	39 of 100 (Notable)
15 September 1956	Norddal, NO	daily rain	28.3 mm (1.1 in)	14.3 mm (0.6 in)	51 years	39 of 100 (Notable)
15 September 1956	Deogaon Lalganj, IN	all-time rain	279.4 mm (11.0 in)	29.2 mm (1.1 in)	12 years	38 of 100 (Notable)
15 September 1956	Belleville, CA	daily low max	11.1 C (52.0 F)	1.1 C (2.0 F)	89 years	37 of 100 (Notable)
15 September 1956	Jiwanpur Sagri, IN	all-time rain	248.9 mm (9.8 in)	14.5 mm (0.6 in)	24 years	37 of 100 (Notable)
15 September 1956	Sulitjelma, NO	daily rain	38.2 mm (1.5 in)	12.3 mm (0.5 in)	49 years	37 of 100 (Notable)
15 September 1956	Kuppam, IN	daily rain	75.7 mm (3.0 in)	29.5 mm (1.2 in)	53 years	36 of 100 (Notable)
15 September 1956	Pembroke Eddy Match, CA	daily low min	0.6 C (33.1 F)	0.5 C (0.9 F)	89 years	35 of 100 (Notable)
15 September 1956	Barrie, CA	daily low min	-1.7 C (28.9 F)	1.1 C (2.0 F)	82 years	35 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

1797 to 1956

Records set or tied on this calendar date in each year from 1797 to 1956. 1956 had 646 records.

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

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 1956-09-15: 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	495
20 to 40	19
40 to 60	4
60 to 80	3
80 to 100	1
100 to 120	2
120 to 140	0
140 to 160	1