Weather Records on 15 September 1944

396 weather records were set or tied worldwide on 15 September 1944. Highest significance: Fogo, CA.

Key Facts for 15 September 1944

On 15 September 1944, 396 weather records were set or tied at long-record stations worldwide.
85 were record highs and 61 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 390 daily.
Fogo set a monthly record daily precipitation of 86.1 mm (3.4 in) on 15 September 1944.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 413 records.

Record Map

396 stations

396 station records on 15 September 1944 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1944: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fogo	Canada	Record daily precipitation	86.1 mm (3.4 in)	66 of 100 (Major)
St Georges	Canada	Record daily precipitation	68.8 mm (2.7 in)	57 of 100 (Notable)
Nashua 2 NNW	United States	Record daily precipitation	96.3 mm (3.8 in)	52 of 100 (Notable)
Colchester 2 W	United States	Record daily precipitation	99.1 mm (3.9 in)	48 of 100 (Notable)
Thiruvananthapuram	India	Record daily precipitation	96.5 mm (3.8 in)	45 of 100 (Notable)
Houlton	United States	Record daily precipitation	73.7 mm (2.9 in)	44 of 100 (Notable)
Lewiston	United States	Record daily precipitation	96.5 mm (3.8 in)	44 of 100 (Notable)
Pleasantville 1 N	United States	Record daily precipitation	97.8 mm (3.9 in)	41 of 100 (Notable)
Ilkal	India	Record daily precipitation	147.3 mm (5.8 in)	39 of 100 (Notable)
Princeton	United States	Record daily precipitation	147.3 mm (5.8 in)	39 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record low maximum temperature	28.3 C (82.9 F)	36 of 100 (Notable)
Siruguppa	India	Record daily precipitation	94.0 mm (3.7 in)	35 of 100 (Notable)
Vilatnikulam	India	Record daily precipitation	76.7 mm (3.0 in)	35 of 100 (Notable)
Jefferson	United States	Record daily precipitation	154.9 mm (6.1 in)	35 of 100 (Notable)
Kayatnur	India	Record daily precipitation	50.0 mm (2.0 in)	34 of 100 (Routine)
Lowell	United States	Record daily precipitation	95.0 mm (3.7 in)	34 of 100 (Routine)
Taunton	United States	Record daily precipitation	80.8 mm (3.2 in)	34 of 100 (Routine)
Bedford Hills	United States	Record daily precipitation	93.5 mm (3.7 in)	32 of 100 (Routine)
Clinton	United States	Record daily precipitation	114.6 mm (4.5 in)	31 of 100 (Routine)
Bear Creek	Canada	Record daily precipitation	97.8 mm (3.9 in)	30 of 100 (Routine)
Point Escuminac	Canada	Record daily precipitation	48.8 mm (1.9 in)	29 of 100 (Routine)
Kuzhithurai	India	Record daily precipitation	51.1 mm (2.0 in)	29 of 100 (Routine)
Sterling	United States	Record daily precipitation	118.6 mm (4.7 in)	29 of 100 (Routine)
Payson Rs	United States	Record daily precipitation	28.2 mm (1.1 in)	28 of 100 (Routine)
Norwalk	United States	Record daily precipitation	118.1 mm (4.6 in)	28 of 100 (Routine)
Deland 1 SSE	United States	Record low minimum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Wanakena Rngr School	United States	Record daily precipitation	42.4 mm (1.7 in)	28 of 100 (Routine)
Vernon	United States	Record daily precipitation	101.3 mm (4.0 in)	28 of 100 (Routine)
Anticosti SW Point	Canada	Record high minimum temperature	13.9 C (57.0 F)	27 of 100 (Routine)
Ghoda Ambegaon	India	Record daily precipitation	39.4 mm (1.6 in)	26 of 100 (Routine)
Yorkton	Canada	Record high minimum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Chatham	Canada	Record daily precipitation	44.5 mm (1.8 in)	24 of 100 (Routine)
Bradenton Exp STN	United States	Record low minimum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
North Bridgton	United States	Record daily precipitation	74.4 mm (2.9 in)	24 of 100 (Routine)
Worcester	United States	Record daily precipitation	67.6 mm (2.7 in)	24 of 100 (Routine)
River Jordan	Canada	Record daily precipitation	46.5 mm (1.8 in)	23 of 100 (Routine)
Quebec	Canada	Record high minimum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
St. Petersburg	Russia	Record low minimum temperature	-0.1 C (31.8 F)	23 of 100 (Routine)
Waterville Wwtp	United States	Record daily precipitation	76.2 mm (3.0 in)	23 of 100 (Routine)
Boylston	United States	Record daily precipitation	106.9 mm (4.2 in)	23 of 100 (Routine)
Franklin	United States	Record daily precipitation	76.2 mm (3.0 in)	23 of 100 (Routine)
Gayndah Post Office	Australia	Record high minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Quebrangulo	Brazil	Record daily precipitation	25.3 mm (1.0 in)	22 of 100 (Routine)
Kadur	India	Record daily precipitation	61.5 mm (2.4 in)	22 of 100 (Routine)
Holbrook	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record low minimum temperature	18.9 C (66.0 F)	22 of 100 (Routine)
Carnarvon Post Office	Australia	Record high maximum temperature	35.3 C (95.5 F)	21 of 100 (Routine)
Irkutsk	Russia	Record high maximum temperature	23.1 C (73.6 F)	21 of 100 (Routine)
Tombstone	United States	Record low maximum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Dannemora	United States	Record daily precipitation	66.8 mm (2.6 in)	21 of 100 (Routine)
Esquimalt	Canada	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Astrakan	Russia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Cargo Post Office	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Tombstone	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Collarenebri (Albert St)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Box Cowell	Australia	Record daily precipitation	6.1 mm (0.24 in)	20 of 100 (Routine)
Salmon Arm	Canada	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Geilo	Norway	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Hermidale (Gilgai)	Australia	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Nandoura	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)

Counts by Type and Timescale

396 records

Records set or tied on 15 September 1944 by type: Highest daily maximum 23, Lowest daily maximum 30, Highest daily minimum 62, Lowest daily minimum 31, Heaviest daily rainfall 250.

Records on 15 September 1944 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	30
Highest daily minimum	62
Lowest daily minimum	31
Heaviest daily rainfall	250
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 1944 by timescale: all-time 0, monthly 6, daily 390.

How Much Records Were Beaten By

335 broken records

Margins by which the 335 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.7. Ties are not counted.

Top 20 by Significance

15 September 1944

Top 20 records on 15 September 1944 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1944	Fogo, CA	monthly rain	86.1 mm (3.4 in)	25.1 mm (1.0 in)	65 years	66 of 100 (Major)
15 September 1944	St Georges, CA	daily rain	68.8 mm (2.7 in)	62.7 mm (2.5 in)	42 years	57 of 100 (Notable)
15 September 1944	Nashua 2 NNW, US	daily rain	96.3 mm (3.8 in)	50.6 mm (2.0 in)	40 years	52 of 100 (Notable)
15 September 1944	Colchester 2 W, US	daily rain	99.1 mm (3.9 in)	67.3 mm (2.6 in)	11 years	48 of 100 (Notable)
15 September 1944	Thiruvananthapuram, IN	daily rain	96.5 mm (3.8 in)	75.7 mm (3.0 in)	6 years	45 of 100 (Notable)
15 September 1944	Houlton, US	daily rain	73.7 mm (2.9 in)	50.3 mm (2.0 in)	13 years	44 of 100 (Notable)
15 September 1944	Lewiston, US	daily rain	96.5 mm (3.8 in)	39.3 mm (1.5 in)	40 years	44 of 100 (Notable)
15 September 1944	Pleasantville 1 N, US	daily rain	97.8 mm (3.9 in)	62.2 mm (2.4 in)	15 years	41 of 100 (Notable)
15 September 1944	Ilkal, IN	monthly rain	147.3 mm (5.8 in)	41.9 mm (1.6 in)	12 years	39 of 100 (Notable)
15 September 1944	Princeton, US	daily rain	147.3 mm (5.8 in)	59.9 mm (2.4 in)	40 years	39 of 100 (Notable)
15 September 1944	Mayaguez City, PR	daily low max	28.3 C (82.9 F)	2.8 C (5.0 F)	41 years	36 of 100 (Notable)
15 September 1944	Siruguppa, IN	daily rain	94.0 mm (3.7 in)	44.0 mm (1.7 in)	26 years	35 of 100 (Notable)
15 September 1944	Vilatnikulam, IN	monthly rain	76.7 mm (3.0 in)	21.8 mm (0.9 in)	4 years	35 of 100 (Notable)
15 September 1944	Jefferson, US	daily rain	154.9 mm (6.1 in)	51.0 mm (2.0 in)	40 years	35 of 100 (Notable)
15 September 1944	Kayatnur, IN	daily rain	50.0 mm (2.0 in)	35.8 mm (1.4 in)	25 years	34 of 100 (Routine)
15 September 1944	Lowell, US	daily rain	95.0 mm (3.7 in)	49.8 mm (2.0 in)	11 years	34 of 100 (Routine)
15 September 1944	Taunton, US	daily rain	80.8 mm (3.2 in)	36.3 mm (1.4 in)	40 years	34 of 100 (Routine)
15 September 1944	Bedford Hills, US	daily rain	93.5 mm (3.7 in)	33.8 mm (1.3 in)	28 years	32 of 100 (Routine)
15 September 1944	Clinton, US	daily rain	114.6 mm (4.5 in)	39.9 mm (1.6 in)	40 years	31 of 100 (Routine)
15 September 1944	Bear Creek, CA	daily rain	97.8 mm (3.9 in)	51.1 mm (2.0 in)	9 years	30 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

1797 to 1944

Records set or tied on this calendar date in each year from 1797 to 1944. 1944 had 396 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 1944-09-15: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	268
10 to 20	39
20 to 30	9
30 to 40	6
40 to 50	4
50 to 60	5
60 to 70	3
70 to 80	1