Weather Records on 17 September 1946

620 weather records were set or tied worldwide on 17 September 1946. Highest significance: Amlagora, IN.

Key Facts for 17 September 1946

On 17 September 1946, 620 weather records were set or tied at long-record stations worldwide.
168 were record highs and 280 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 607 daily.
Amlagora set a monthly record daily precipitation of 208.3 mm (8.2 in) on 17 September 1946.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 422 records.

Record Map

620 stations

620 station records on 17 September 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Amlagora	India	Record daily precipitation	208.3 mm (8.2 in)	62 of 100 (Major)
Rawlinna	Australia	Record daily precipitation	71.6 mm (2.8 in)	60 of 100 (Major)
Gangajalghati	India	Record daily precipitation	173.7 mm (6.8 in)	57 of 100 (Notable)
Bankura Obsy Sr	India	Record daily precipitation	183.9 mm (7.2 in)	53 of 100 (Notable)
Barabazar	India	Record daily precipitation	152.4 mm (6.0 in)	52 of 100 (Notable)
Butte Bert Mooney AP	United States	Record daily snowfall	16.3 cm (6.4 in)	52 of 100 (Notable)
Nagerutari	India	Record daily precipitation	120.7 mm (4.8 in)	51 of 100 (Notable)
Purulia	India	Record daily precipitation	127.0 mm (5.0 in)	50 of 100 (Notable)
Adel	United States	Record daily precipitation	45.7 mm (1.8 in)	50 of 100 (Notable)
Panki	India	Record daily precipitation	130.8 mm (5.1 in)	48 of 100 (Notable)
Barachatti	India	Record daily precipitation	199.4 mm (7.9 in)	46 of 100 (Notable)
Dehri	India	Record daily precipitation	170.2 mm (6.7 in)	46 of 100 (Notable)
Encinal	United States	Record daily precipitation	98.0 mm (3.9 in)	44 of 100 (Notable)
White Sulphur Springs	United States	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Augsburg (Sankt Stephan)	Germany	Record daily precipitation	32.7 mm (1.3 in)	39 of 100 (Notable)
Lakhnadon	India	Record daily precipitation	106.7 mm (4.2 in)	39 of 100 (Notable)
Irapuato	Mexico	Record daily precipitation	70.9 mm (2.8 in)	39 of 100 (Notable)
Dublin	United States	Record daily precipitation	62.0 mm (2.4 in)	39 of 100 (Notable)
Amta	India	Record daily precipitation	111.8 mm (4.4 in)	38 of 100 (Notable)
Ambikapur	India	Record daily precipitation	98.0 mm (3.9 in)	36 of 100 (Notable)
Calcutta/Alipore	India	Record daily precipitation	95.0 mm (3.7 in)	35 of 100 (Notable)
Mahuadaur	India	Record daily precipitation	78.7 mm (3.1 in)	34 of 100 (Routine)
Katwa	India	Record daily precipitation	156.2 mm (6.1 in)	33 of 100 (Routine)
Raghunathpur	India	Record daily precipitation	192.0 mm (7.6 in)	33 of 100 (Routine)
Simcoe	Canada	Record high maximum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Olekminsk	Russia	Record low minimum temperature	-7.5 C (18.5 F)	32 of 100 (Routine)
Fairview	United States	Record low maximum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Oakley	United States	Record low maximum temperature	10.6 C (51.1 F)	32 of 100 (Routine)
Lohar-Daga	India	Record daily precipitation	72.4 mm (2.9 in)	31 of 100 (Routine)
Talladega	United States	Record low maximum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Walhalla	United States	Record low maximum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Esplanada	Brazil	Record daily precipitation	42.5 mm (1.7 in)	30 of 100 (Routine)
Burdwan	India	Record daily precipitation	113.3 mm (4.5 in)	30 of 100 (Routine)
Manbazar	India	Record daily precipitation	209.6 mm (8.3 in)	30 of 100 (Routine)
Arwal	India	Record daily precipitation	115.8 mm (4.6 in)	29 of 100 (Routine)
Bhandaria	India	Record daily precipitation	120.7 mm (4.8 in)	29 of 100 (Routine)
Varberg	Sweden	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Talbotton	United States	Record low maximum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
San Jacinto	United States	Record low maximum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Mohania(Mahania)	India	Record daily precipitation	125.7 mm (4.9 in)	28 of 100 (Routine)
Midnapore	India	Record daily precipitation	65.5 mm (2.6 in)	28 of 100 (Routine)
Budge Budge	India	Record daily precipitation	175.3 mm (6.9 in)	28 of 100 (Routine)
Skara 1	Sweden	Record daily precipitation	25.3 mm (1.0 in)	28 of 100 (Routine)
Godegard	Sweden	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Zuerich/Fluntern	Switzerland	Record daily precipitation	31.2 mm (1.2 in)	28 of 100 (Routine)
Durham	United Kingdom	Record low maximum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Clanton	United States	Record low maximum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Aiken 5SE	United States	Record low maximum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Buxar	India	Record daily precipitation	83.8 mm (3.3 in)	27 of 100 (Routine)
Adhoura	India	Record daily precipitation	55.4 mm (2.2 in)	27 of 100 (Routine)
Experiment	United States	Record low maximum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Ft Gaines	United States	Record low maximum temperature	21.7 C (71.1 F)	27 of 100 (Routine)
Hawkinsville	United States	Record low maximum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Jackson Exp STN	United States	Record daily precipitation	39.1 mm (1.5 in)	27 of 100 (Routine)
Rafiganj	India	Record daily precipitation	87.4 mm (3.4 in)	26 of 100 (Routine)
Dongargarh	India	Record daily precipitation	63.5 mm (2.5 in)	26 of 100 (Routine)
Bolpur	India	Record daily precipitation	76.2 mm (3.0 in)	26 of 100 (Routine)
Ulan-Ude	Russia	Record low minimum temperature	-5.7 C (21.7 F)	26 of 100 (Routine)
Wetumpka	United States	Record low maximum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
American Falls 6 NE	United States	Record low maximum temperature	10.6 C (51.1 F)	26 of 100 (Routine)

Counts by Type and Timescale

620 records

Records set or tied on 17 September 1946 by type: Highest daily maximum 70, Lowest daily maximum 228, Highest daily minimum 98, Lowest daily minimum 52, Heaviest daily rainfall 169, Heaviest daily snowfall 3.

Records on 17 September 1946 by type
Record type	Records
Highest daily maximum	70
Lowest daily maximum	228
Highest daily minimum	98
Lowest daily minimum	52
Heaviest daily rainfall	169
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 17 September 1946 by timescale: all-time 0, monthly 13, daily 607.

How Much Records Were Beaten By

529 broken records

Margins by which the 529 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 163.0. Ties are not counted.

Top 20 by Significance

17 September 1946

Top 20 records on 17 September 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1946	Amlagora, IN	monthly rain	208.3 mm (8.2 in)	67.1 mm (2.6 in)	39 years	62 of 100 (Major)
17 September 1946	Rawlinna, AU	monthly rain	71.6 mm (2.8 in)	38.8 mm (1.5 in)	26 years	60 of 100 (Major)
17 September 1946	Gangajalghati, IN	daily rain	173.7 mm (6.8 in)	147.3 mm (5.8 in)	44 years	57 of 100 (Notable)
17 September 1946	Bankura Obsy Sr, IN	daily rain	183.9 mm (7.2 in)	152.1 mm (6.0 in)	32 years	53 of 100 (Notable)
17 September 1946	Barabazar, IN	daily rain	152.4 mm (6.0 in)	85.6 mm (3.4 in)	31 years	52 of 100 (Notable)
17 September 1946	Butte Bert Mooney AP, US	daily snowfall	16.3 cm (6.4 in)	16.3 cm (6.4 in)	51 years	52 of 100 (Notable)
17 September 1946	Nagerutari, IN	daily rain	120.7 mm (4.8 in)	67.6 mm (2.7 in)	32 years	51 of 100 (Notable)
17 September 1946	Purulia, IN	daily rain	127.0 mm (5.0 in)	81.3 mm (3.2 in)	31 years	50 of 100 (Notable)
17 September 1946	Adel, US	daily rain	45.7 mm (1.8 in)	35.5 mm (1.4 in)	21 years	50 of 100 (Notable)
17 September 1946	Panki, IN	daily rain	130.8 mm (5.1 in)	71.1 mm (2.8 in)	29 years	48 of 100 (Notable)
17 September 1946	Barachatti, IN	daily rain	199.4 mm (7.9 in)	114.3 mm (4.5 in)	35 years	46 of 100 (Notable)
17 September 1946	Dehri, IN	daily rain	170.2 mm (6.7 in)	102.9 mm (4.1 in)	8 years	46 of 100 (Notable)
17 September 1946	Encinal, US	daily rain	98.0 mm (3.9 in)	78.7 mm (3.1 in)	23 years	44 of 100 (Notable)
17 September 1946	White Sulphur Springs, US	daily rain	33.0 mm (1.3 in)	23.3 mm (0.9 in)	4 years	43 of 100 (Notable)
17 September 1946	Augsburg (Sankt Stephan), DE	daily rain	32.7 mm (1.3 in)	11.4 mm (0.4 in)	63 years	39 of 100 (Notable)
17 September 1946	Lakhnadon, IN	daily rain	106.7 mm (4.2 in)	59.5 mm (2.3 in)	32 years	39 of 100 (Notable)
17 September 1946	Irapuato, MX	daily rain	70.9 mm (2.8 in)	35.3 mm (1.4 in)	20 years	39 of 100 (Notable)
17 September 1946	Dublin, US	daily rain	62.0 mm (2.4 in)	51.6 mm (2.0 in)	21 years	39 of 100 (Notable)
17 September 1946	Amta, IN	daily rain	111.8 mm (4.4 in)	58.7 mm (2.3 in)	19 years	38 of 100 (Notable)
17 September 1946	Ambikapur, IN	daily rain	98.0 mm (3.9 in)	65.0 mm (2.6 in)	4 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

1796 to 1946

Records set or tied on this calendar date in each year from 1796 to 1946. 1946 had 620 records.

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

Records on 09-17 in each year
Year	Records
1796	1
1797	1
1805	1
1833	1
1834	1
1837	2
1845	1
1847	3
1848	1
1850	1
1851	2
1853	2
1854	2
1859	1
1862	1
1867	1
1870	1
1871	1
1872	1
1873	1
1874	1
1875	1
1877	1
1881	1
1882	2
1884	3
1885	3
1886	6
1888	2
1889	8
1891	1
1893	3
1894	1
1895	4
1896	9
1897	4
1898	7
1899	1
1900	4
1901	5
1902	5
1903	28
1904	2
1905	17
1906	10
1907	15
1908	13
1909	7
1910	38
1911	15
1912	17
1913	28
1914	38
1915	48
1916	40
1917	255
1918	41
1919	21
1920	40
1921	66
1922	47
1923	159
1924	80
1925	338
1926	154
1927	420
1928	78
1929	168
1930	147
1931	564
1932	425
1933	415
1934	246
1935	321
1936	219
1937	463
1938	363
1939	294
1940	326
1941	328
1942	581
1943	513
1944	403
1945	614
1946	620
1947	680
1948	630
1949	292
1950	412
1951	359
1952	263
1953	344
1954	449
1955	649
1956	437
1957	405
1958	806
1959	1,210
1960	385
1961	657
1962	432
1963	297
1964	559
1965	1,394
1966	523
1967	331
1968	691
1969	352
1970	412
1971	898
1972	556
1973	638
1974	491
1975	478
1976	636
1977	641
1978	764
1979	804
1980	794
1981	1,155
1982	606
1983	862
1984	1,006
1985	448
1986	1,314
1987	926
1988	982
1989	863
1990	650
1991	1,407
1992	686
1993	950
1994	986
1995	1,145
1996	1,342
1997	1,057
1998	1,137
1999	1,102
2000	1,318
2001	895
2002	1,025
2003	586
2004	872
2005	1,042
2006	1,344
2007	752
2008	886
2009	871
2010	907
2011	1,116
2012	597
2013	1,253
2014	571
2015	953
2016	707
2017	455
2018	899
2019	774
2020	651
2021	345
2022	313
2023	646
2024	954
2025	634
2026	968

Download the Data

Data for records on 1946-09-17: 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	489
25 to 50	22
50 to 75	10
75 to 100	3
100 to 125	2
125 to 150	1
150 to 175	2