Weather Records on 25 September 1946

292 weather records were set or tied worldwide on 25 September 1946. Highest significance: Boonton 1 SE, US.

Key Facts for 25 September 1946

On 25 September 1946, 292 weather records were set or tied at long-record stations worldwide.
168 were record highs and 19 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 280 daily.
Boonton 1 SE set a daily record precipitation of 87.9 mm (3.5 in) on 25 September 1946.
Across 163 earlier years (1825 to 2026) the same calendar date averaged 427 records.

Record Map

292 stations

292 station records on 25 September 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 September 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boonton 1 SE	United States	Record daily precipitation	87.9 mm (3.5 in)	56 of 100 (Notable)
Napoklu	India	Record daily precipitation	82.6 mm (3.3 in)	54 of 100 (Notable)
Channagiri	India	Record daily precipitation	78.7 mm (3.1 in)	50 of 100 (Notable)
Frazerpet	India	Record daily precipitation	66.8 mm (2.6 in)	49 of 100 (Notable)
Glencliff	United States	Record daily precipitation	66.0 mm (2.6 in)	41 of 100 (Notable)
Annur	India	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Chatham	United States	Record daily precipitation	89.9 mm (3.5 in)	37 of 100 (Notable)
Mudigere	India	Record daily precipitation	70.1 mm (2.8 in)	36 of 100 (Notable)
Gadhinglaj	India	Record daily precipitation	60.5 mm (2.4 in)	35 of 100 (Notable)
Plymouth	United States	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Little Falls	United States	Record daily precipitation	76.2 mm (3.0 in)	32 of 100 (Routine)
Lake Charles Chenault	United States	Record daily precipitation	77.2 mm (3.0 in)	31 of 100 (Routine)
Crato	Brazil	Record daily precipitation	62.2 mm (2.4 in)	29 of 100 (Routine)
Perundurai	India	Record daily precipitation	53.1 mm (2.1 in)	28 of 100 (Routine)
Hunsur	India	Record daily precipitation	71.9 mm (2.8 in)	27 of 100 (Routine)
Viljujsk	Russia	Record low minimum temperature	-11.2 C (11.8 F)	27 of 100 (Routine)
Matamoras	United States	Record daily precipitation	49.5 mm (1.9 in)	27 of 100 (Routine)
Warsaw 2 NW	United States	Record daily precipitation	29.2 mm (1.1 in)	27 of 100 (Routine)
Badami	India	Record daily precipitation	58.9 mm (2.3 in)	26 of 100 (Routine)
Krishnarajnagar	India	Record daily precipitation	70.4 mm (2.8 in)	26 of 100 (Routine)
Chettikulam	India	Record daily precipitation	82.8 mm (3.3 in)	26 of 100 (Routine)
Laredo	United States	Record daily precipitation	80.5 mm (3.2 in)	26 of 100 (Routine)
Chatham	Canada	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Delaware Cy Reedy Poin	United States	Record daily precipitation	52.1 mm (2.1 in)	25 of 100 (Routine)
Seward AP	United States	Record low minimum temperature	-3.3 C (26.1 F)	25 of 100 (Routine)
Katanning Comparison	Australia	Record high maximum temperature	30.6 C (87.1 F)	24 of 100 (Routine)
Tewantin Post Office	Australia	Record low maximum temperature	20.0 C (68.0 F)	24 of 100 (Routine)
Fredericton Unb	Canada	Record high minimum temperature	16.1 C (61.0 F)	24 of 100 (Routine)
Gouldsboro	United States	Record daily precipitation	27.9 mm (1.1 in)	24 of 100 (Routine)
Winnemucca AP	United States	Record high maximum temperature	32.2 C (90.0 F)	24 of 100 (Routine)
Bridgetown Comparison	Australia	Record high maximum temperature	29.8 C (85.6 F)	23 of 100 (Routine)
Anticosti SW Point	Canada	Record high minimum temperature	12.2 C (54.0 F)	23 of 100 (Routine)
Tombstone	United States	Record high maximum temperature	34.4 C (93.9 F)	22 of 100 (Routine)
Franklin	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Santa Fe	United States	Record high maximum temperature	28.3 C (82.9 F)	22 of 100 (Routine)
Montrose	United States	Record daily precipitation	48.5 mm (1.9 in)	22 of 100 (Routine)
Ft Yukon	United States	Record low minimum temperature	-12.2 C (10.0 F)	22 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	-8.9 C (16.0 F)	21 of 100 (Routine)
Kolhapur	India	Record daily precipitation	26.7 mm (1.1 in)	21 of 100 (Routine)
Aravakurichi	India	Record daily precipitation	29.2 mm (1.1 in)	21 of 100 (Routine)
Olekminsk	Russia	Record low minimum temperature	-7.9 C (17.8 F)	21 of 100 (Routine)
Oracle	United States	Record high minimum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
Westcliffe	United States	Record high maximum temperature	26.7 C (80.1 F)	21 of 100 (Routine)
Baldwinsville	United States	Record daily precipitation	44.2 mm (1.7 in)	21 of 100 (Routine)
Ashland	United States	Record high minimum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Kennecott	United States	Record low minimum temperature	-10.0 C (14.0 F)	21 of 100 (Routine)
Chicoutimi	Canada	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Yunta (Panaramitee)	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Lake Placid 2 S	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
New London	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Tobolsk	Russia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Eaglehawk Neck (Jetty Road)	Australia	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record daily precipitation	12.3 mm (0.5 in)	20 of 100 (Routine)
Cheltenham 1 NW	United States	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Hyannis	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Fort Simpson	Canada	Record daily snowfall	1.3 cm (0.5 in)	20 of 100 (Routine)
Gundlupet	India	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
St Albans	Australia	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Kodanand	India	Record daily precipitation	48.3 mm (1.9 in)	20 of 100 (Routine)
Zhizdra	Russia	Record daily precipitation	17.7 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

292 records

Records set or tied on 25 September 1946 by type: Highest daily maximum 84, Lowest daily maximum 5, Highest daily minimum 84, Lowest daily minimum 14, Heaviest daily rainfall 104, Heaviest daily snowfall 1.

Records on 25 September 1946 by type
Record type	Records
Highest daily maximum	84
Lowest daily maximum	5
Highest daily minimum	84
Lowest daily minimum	14
Heaviest daily rainfall	104
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 25 September 1946 by timescale: all-time 1, monthly 11, daily 280.

How Much Records Were Beaten By

215 broken records

Margins by which the 215 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.8. Ties are not counted.

Top 20 by Significance

25 September 1946

Top 20 records on 25 September 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 September 1946	Boonton 1 SE, US	daily rain	87.9 mm (3.5 in)	68.8 mm (2.7 in)	36 years	56 of 100 (Notable)
25 September 1946	Napoklu, IN	daily rain	82.6 mm (3.3 in)	61.8 mm (2.4 in)	36 years	54 of 100 (Notable)
25 September 1946	Channagiri, IN	daily rain	78.7 mm (3.1 in)	53.3 mm (2.1 in)	21 years	50 of 100 (Notable)
25 September 1946	Frazerpet, IN	daily rain	66.8 mm (2.6 in)	29.7 mm (1.2 in)	39 years	49 of 100 (Notable)
25 September 1946	Glencliff, US	daily rain	66.0 mm (2.6 in)	52.5 mm (2.1 in)	5 years	41 of 100 (Notable)
25 September 1946	Annur, IN	daily rain	55.9 mm (2.2 in)	43.2 mm (1.7 in)	28 years	39 of 100 (Notable)
25 September 1946	Chatham, US	daily rain	89.9 mm (3.5 in)	49.3 mm (1.9 in)	33 years	37 of 100 (Notable)
25 September 1946	Mudigere, IN	daily rain	70.1 mm (2.8 in)	26.9 mm (1.1 in)	27 years	36 of 100 (Notable)
25 September 1946	Gadhinglaj, IN	daily rain	60.5 mm (2.4 in)	25.4 mm (1.0 in)	32 years	35 of 100 (Notable)
25 September 1946	Plymouth, US	daily rain	40.1 mm (1.6 in)	24.4 mm (1.0 in)	35 years	33 of 100 (Routine)
25 September 1946	Little Falls, US	daily rain	76.2 mm (3.0 in)	55.6 mm (2.2 in)	5 years	32 of 100 (Routine)
25 September 1946	Lake Charles Chenault, US	daily rain	77.2 mm (3.0 in)	37.3 mm (1.5 in)	20 years	31 of 100 (Routine)
25 September 1946	Crato, BR	monthly rain	62.2 mm (2.4 in)	12.9 mm (0.5 in)	14 years	29 of 100 (Routine)
25 September 1946	Perundurai, IN	daily rain	53.1 mm (2.1 in)	20.3 mm (0.8 in)	39 years	28 of 100 (Routine)
25 September 1946	Hunsur, IN	monthly rain	71.9 mm (2.8 in)	1.3 mm (0.05 in)	43 years	27 of 100 (Routine)
25 September 1946	Viljujsk, RU	daily low min	-11.2 C (11.8 F)	4.5 C (8.1 F)	44 years	27 of 100 (Routine)
25 September 1946	Matamoras, US	daily rain	49.5 mm (1.9 in)	17.2 mm (0.7 in)	33 years	27 of 100 (Routine)
25 September 1946	Warsaw 2 NW, US	daily rain	29.2 mm (1.1 in)	12.7 mm (0.5 in)	52 years	27 of 100 (Routine)
25 September 1946	Badami, IN	daily rain	58.9 mm (2.3 in)	25.6 mm (1.0 in)	28 years	26 of 100 (Routine)
25 September 1946	Krishnarajnagar, IN	daily rain	70.4 mm (2.8 in)	21.6 mm (0.9 in)	32 years	26 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

1825 to 1946

Records set or tied on this calendar date in each year from 1825 to 1946. 1946 had 292 records.

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

Records on 09-25 in each year
Year	Records
1825	1
1834	1
1836	1
1842	1
1843	1
1847	1
1851	1
1852	1
1855	1
1857	2
1859	1
1860	1
1863	1
1865	1
1866	2
1867	2
1868	1
1871	2
1872	1
1874	1
1875	1
1877	3
1879	2
1881	3
1884	3
1885	6
1886	1
1887	3
1889	7
1891	3
1893	7
1894	3
1895	5
1896	5
1897	2
1898	1
1899	2
1900	7
1901	6
1902	11
1903	4
1904	10
1905	16
1906	7
1907	35
1908	20
1909	22
1910	5
1911	9
1912	63
1913	13
1914	15
1915	43
1916	139
1917	138
1918	16
1919	20
1920	75
1921	32
1922	47
1923	68
1924	157
1925	141
1926	740
1927	166
1928	480
1929	158
1930	489
1931	500
1932	260
1933	542
1934	394
1935	258
1936	274
1937	190
1938	335
1939	454
1940	517
1941	269
1942	970
1943	488
1944	246
1945	514
1946	292
1947	666
1948	501
1949	479
1950	1,163
1951	639
1952	515
1953	242
1954	292
1955	546
1956	503
1957	231
1958	454
1959	396
1960	694
1961	530
1962	305
1963	602
1964	403
1965	690
1966	334
1967	428
1968	300
1969	196
1970	783
1971	323
1972	706
1973	650
1974	995
1975	1,166
1976	541
1977	875
1978	462
1979	719
1980	687
1981	669
1982	759
1983	647
1984	1,305
1985	446
1986	1,766
1987	560
1988	571
1989	1,367
1990	875
1991	1,243
1992	1,346
1993	1,015
1994	666
1995	1,013
1996	648
1997	1,278
1998	1,346
1999	804
2000	1,536
2001	1,536
2002	876
2003	758
2004	519
2005	1,484
2006	767
2007	1,284
2008	766
2009	854
2010	1,125
2011	763
2012	505
2013	615
2014	800
2015	868
2016	781
2017	1,253
2018	648
2019	530
2020	1,089
2021	355
2022	301
2023	580
2024	1,120
2025	569
2026	473

Download the Data

Data for records on 1946-09-25: 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 10	167
10 to 20	24
20 to 30	14
30 to 40	2
40 to 50	3
50 to 60	3
60 to 70	2