Weather Records on 9 September 1946

366 weather records were set or tied worldwide on 9 September 1946. Highest significance: Jamestown State Hosp, US.

Key Facts for 9 September 1946

On 9 September 1946, 366 weather records were set or tied at long-record stations worldwide.
117 were record highs and 55 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 13 monthly and 351 daily.
Jamestown State Hosp set a daily record precipitation of 41.1 mm (1.6 in) on 9 September 1946.
Across 162 earlier years (1806 to 2026) the same calendar date averaged 462 records.

Record Map

366 stations

366 station records on 9 September 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 September 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jamestown State Hosp	United States	Record daily precipitation	41.1 mm (1.6 in)	59 of 100 (Notable)
Bombay (Colaba) Obsy Sr	India	Record daily precipitation	217.4 mm (8.6 in)	53 of 100 (Notable)
Navapur	India	Record daily precipitation	162.8 mm (6.4 in)	53 of 100 (Notable)
Ratnagiri	India	Record daily precipitation	196.1 mm (7.7 in)	53 of 100 (Notable)
Sibley	United States	Record daily precipitation	68.6 mm (2.7 in)	50 of 100 (Notable)
Minsk	Belarus	Record daily precipitation	27.2 mm (1.1 in)	48 of 100 (Notable)
Uran	India	Record daily precipitation	235.5 mm (9.3 in)	47 of 100 (Notable)
Chiplun	India	Record daily precipitation	180.8 mm (7.1 in)	47 of 100 (Notable)
Gaylord	United States	Record daily precipitation	52.1 mm (2.1 in)	46 of 100 (Notable)
Haliyal	India	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)
Lonavala	India	Record daily precipitation	210.3 mm (8.3 in)	45 of 100 (Notable)
Sangli	India	Record daily precipitation	56.6 mm (2.2 in)	43 of 100 (Notable)
Mirajgaon	India	Record daily precipitation	165.1 mm (6.5 in)	42 of 100 (Notable)
Sirur	India	Record daily precipitation	106.9 mm (4.2 in)	42 of 100 (Notable)
Devrukh	India	Record daily precipitation	247.1 mm (9.7 in)	42 of 100 (Notable)
Karjat	India	Record daily precipitation	103.6 mm (4.1 in)	40 of 100 (Notable)
Bhir	India	Record daily precipitation	175.8 mm (6.9 in)	40 of 100 (Notable)
Tracy	United States	Record daily precipitation	60.5 mm (2.4 in)	40 of 100 (Notable)
Rock Rapids	United States	Record daily precipitation	80.0 mm (3.1 in)	39 of 100 (Notable)
O'Neill	United States	Record daily precipitation	84.8 mm (3.3 in)	39 of 100 (Notable)
Ainsworth	United States	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Byrdstown 1 W	United States	Record daily precipitation	42.4 mm (1.7 in)	38 of 100 (Notable)
Madison	United States	Record daily precipitation	64.0 mm (2.5 in)	37 of 100 (Notable)
Port Said	Egypt	Record high maximum temperature	36.0 C (96.8 F)	36 of 100 (Notable)
Sheldon	United States	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
New Ulm 2 SE	United States	Record daily precipitation	69.1 mm (2.7 in)	35 of 100 (Notable)
Pipestone	United States	Record daily precipitation	69.9 mm (2.8 in)	35 of 100 (Notable)
Parner	India	Record daily precipitation	55.9 mm (2.2 in)	34 of 100 (Routine)
Athipettu	India	Record daily precipitation	63.5 mm (2.5 in)	34 of 100 (Routine)
Savage	United States	Record daily precipitation	34.5 mm (1.4 in)	34 of 100 (Routine)
Gospic	Croatia	Record high minimum temperature	16.0 C (60.8 F)	33 of 100 (Routine)
Sardarpur	India	Record daily precipitation	63.5 mm (2.5 in)	33 of 100 (Routine)
Olands Sodra Udde	Sweden	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Holyoke	United States	Record daily precipitation	33.5 mm (1.3 in)	33 of 100 (Routine)
Grand Coteau	United States	Record high minimum temperature	28.9 C (84.0 F)	33 of 100 (Routine)
Pen	India	Record daily precipitation	161.3 mm (6.4 in)	31 of 100 (Routine)
Dapoli	India	Record daily precipitation	181.6 mm (7.1 in)	31 of 100 (Routine)
Arad	Romania	Record high maximum temperature	39.5 C (103.1 F)	31 of 100 (Routine)
Armour	United States	Record daily precipitation	46.2 mm (1.8 in)	31 of 100 (Routine)
Tullahoma	United States	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Kandukur	India	Record daily precipitation	70.9 mm (2.8 in)	30 of 100 (Routine)
Ahmadnagar	India	Record daily precipitation	113.0 mm (4.4 in)	30 of 100 (Routine)
Amraoti	India	Record daily precipitation	49.5 mm (1.9 in)	30 of 100 (Routine)
Waseca S Rsch & Outreach Ctr	United States	Record daily precipitation	39.6 mm (1.6 in)	30 of 100 (Routine)
Hartington	United States	Record daily precipitation	46.5 mm (1.8 in)	30 of 100 (Routine)
Parkston 8 ENE	United States	Record daily precipitation	40.9 mm (1.6 in)	30 of 100 (Routine)
Rahuri	India	Record daily precipitation	55.9 mm (2.2 in)	29 of 100 (Routine)
Nogales	United States	Record daily precipitation	34.5 mm (1.4 in)	29 of 100 (Routine)
Sirpur	India	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Mahad	India	Record daily precipitation	96.0 mm (3.8 in)	28 of 100 (Routine)
Walthill 1E	United States	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Khed	India	Record daily precipitation	61.2 mm (2.4 in)	27 of 100 (Routine)
Talegaon D-Dhera	India	Record daily precipitation	45.7 mm (1.8 in)	27 of 100 (Routine)
Winnebago	United States	Record daily precipitation	74.9 mm (2.9 in)	27 of 100 (Routine)
Worthington	United States	Record daily precipitation	61.7 mm (2.4 in)	27 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low maximum temperature	14.8 C (58.6 F)	26 of 100 (Routine)
Addanki	India	Record daily precipitation	54.4 mm (2.1 in)	26 of 100 (Routine)
Shrigonda	India	Record daily precipitation	124.5 mm (4.9 in)	26 of 100 (Routine)
Bolivar	United States	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)
Rapalle	India	Record daily precipitation	106.7 mm (4.2 in)	25 of 100 (Routine)

Counts by Type and Timescale

366 records

Records set or tied on 9 September 1946 by type: Highest daily maximum 57, Lowest daily maximum 41, Highest daily minimum 60, Lowest daily minimum 14, Heaviest daily rainfall 194.

Records on 9 September 1946 by type
Record type	Records
Highest daily maximum	57
Lowest daily maximum	41
Highest daily minimum	60
Lowest daily minimum	14
Heaviest daily rainfall	194
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 September 1946 by timescale: all-time 2, monthly 13, daily 351.

How Much Records Were Beaten By

308 broken records

Margins by which the 308 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 154.7. Ties are not counted.

Top 20 by Significance

9 September 1946

Top 20 records on 9 September 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 1946	Jamestown State Hosp, US	daily rain	41.1 mm (1.6 in)	34.0 mm (1.3 in)	45 years	59 of 100 (Notable)
9 September 1946	Bombay (Colaba) Obsy Sr, IN	daily rain	217.4 mm (8.6 in)	151.4 mm (6.0 in)	31 years	53 of 100 (Notable)
9 September 1946	Navapur, IN	daily rain	162.8 mm (6.4 in)	132.3 mm (5.2 in)	32 years	53 of 100 (Notable)
9 September 1946	Ratnagiri, IN	daily rain	196.1 mm (7.7 in)	100.8 mm (4.0 in)	31 years	53 of 100 (Notable)
9 September 1946	Sibley, US	daily rain	68.6 mm (2.7 in)	55.6 mm (2.2 in)	44 years	50 of 100 (Notable)
9 September 1946	Minsk, BY	daily rain	27.2 mm (1.1 in)	19.2 mm (0.8 in)	16 years	48 of 100 (Notable)
9 September 1946	Uran, IN	daily rain	235.5 mm (9.3 in)	154.7 mm (6.1 in)	12 years	47 of 100 (Notable)
9 September 1946	Chiplun, IN	daily rain	180.8 mm (7.1 in)	99.8 mm (3.9 in)	12 years	47 of 100 (Notable)
9 September 1946	Gaylord, US	daily rain	52.1 mm (2.1 in)	45.0 mm (1.8 in)	24 years	46 of 100 (Notable)
9 September 1946	Haliyal, IN	daily rain	41.9 mm (1.6 in)	27.7 mm (1.1 in)	44 years	45 of 100 (Notable)
9 September 1946	Lonavala, IN	daily rain	210.3 mm (8.3 in)	119.6 mm (4.7 in)	9 years	45 of 100 (Notable)
9 September 1946	Sangli, IN	daily rain	56.6 mm (2.2 in)	44.2 mm (1.7 in)	31 years	43 of 100 (Notable)
9 September 1946	Mirajgaon, IN	monthly rain	165.1 mm (6.5 in)	45.7 mm (1.8 in)	17 years	42 of 100 (Notable)
9 September 1946	Sirur, IN	daily rain	106.9 mm (4.2 in)	51.3 mm (2.0 in)	39 years	42 of 100 (Notable)
9 September 1946	Devrukh, IN	monthly rain	247.1 mm (9.7 in)	48.2 mm (1.9 in)	31 years	42 of 100 (Notable)
9 September 1946	Karjat, IN	daily rain	103.6 mm (4.1 in)	62.5 mm (2.5 in)	16 years	40 of 100 (Notable)
9 September 1946	Bhir, IN	all-time rain	175.8 mm (6.9 in)	32.0 mm (1.3 in)	5 years	40 of 100 (Notable)
9 September 1946	Tracy, US	daily rain	60.5 mm (2.4 in)	38.1 mm (1.5 in)	28 years	40 of 100 (Notable)
9 September 1946	Rock Rapids, US	daily rain	80.0 mm (3.1 in)	45.2 mm (1.8 in)	20 years	39 of 100 (Notable)
9 September 1946	O'Neill, US	monthly rain	84.8 mm (3.3 in)	13.2 mm (0.5 in)	48 years	39 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

1806 to 1946

Records set or tied on this calendar date in each year from 1806 to 1946. 1946 had 366 records.

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

Records on 09-09 in each year
Year	Records
1806	1
1812	1
1813	1
1814	2
1834	1
1836	1
1845	1
1847	1
1848	1
1849	2
1850	1
1854	1
1864	2
1865	3
1866	3
1867	1
1869	1
1871	1
1873	1
1878	1
1879	1
1880	2
1883	3
1884	4
1886	1
1888	4
1889	1
1890	1
1891	1
1892	4
1893	4
1894	3
1895	7
1897	3
1898	5
1899	6
1900	1
1901	4
1902	5
1903	14
1904	9
1905	8
1906	24
1907	9
1908	5
1909	9
1910	17
1911	27
1912	48
1913	12
1914	69
1915	48
1916	16
1917	44
1918	40
1919	74
1920	145
1921	92
1922	115
1923	58
1924	232
1925	248
1926	168
1927	246
1928	108
1929	362
1930	211
1931	558
1932	302
1933	433
1934	256
1935	461
1936	297
1937	242
1938	416
1939	429
1940	294
1941	763
1942	357
1943	596
1944	719
1945	355
1946	366
1947	465
1948	307
1949	1,407
1950	426
1951	338
1952	511
1953	344
1954	283
1955	608
1956	742
1957	390
1958	419
1959	736
1960	492
1961	383
1962	847
1963	400
1964	488
1965	326
1966	366
1967	367
1968	440
1969	603
1970	584
1971	498
1972	464
1973	517
1974	689
1975	555
1976	773
1977	410
1978	702
1979	878
1980	829
1981	1,011
1982	814
1983	958
1984	1,304
1985	1,269
1986	1,026
1987	676
1988	836
1989	983
1990	762
1991	882
1992	620
1993	886
1994	892
1995	937
1996	809
1997	837
1998	1,667
1999	1,013
2000	811
2001	1,647
2002	1,355
2003	786
2004	1,603
2005	1,068
2006	917
2007	948
2008	1,161
2009	792
2010	1,049
2011	1,328
2012	681
2013	974
2014	590
2015	806
2016	1,210
2017	661
2018	876
2019	953
2020	2,579
2021	1,458
2022	1,094
2023	1,222
2024	1,146
2025	520
2026	815

Download the Data

Data for records on 1946-09-09: 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	249
20 to 40	40
40 to 60	11
60 to 80	2
80 to 100	1
100 to 120	2
120 to 140	1
140 to 160	2