Weather Records on 17 September 1933

415 weather records were set or tied worldwide on 17 September 1933. Highest significance: Plymouth-Kingston, US.

Key Facts for 17 September 1933

On 17 September 1933, 415 weather records were set or tied at long-record stations worldwide.
127 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 11 monthly and 401 daily.
Plymouth-Kingston set an all-time record daily precipitation of 208.3 mm (8.2 in) on 17 September 1933.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 423 records.

Record Map

415 stations

415 station records on 17 September 1933 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1933: highest significance records shown on the map
Station	Country	Type	Value	Significance
Plymouth-Kingston	United States	Record daily precipitation	208.3 mm (8.2 in)	63 of 100 (Major)
Beachport	Australia	Record daily precipitation	49.8 mm (2.0 in)	61 of 100 (Major)
Framingham	United States	Record daily precipitation	120.1 mm (4.7 in)	53 of 100 (Notable)
Low Head (Comparison)	Australia	Record daily precipitation	33.0 mm (1.3 in)	49 of 100 (Notable)
Khushalgarh	India	Record daily precipitation	195.6 mm (7.7 in)	48 of 100 (Notable)
Naracoorte	Australia	Record daily precipitation	39.1 mm (1.5 in)	47 of 100 (Notable)
Cape Sorell	Australia	Record daily precipitation	36.8 mm (1.4 in)	47 of 100 (Notable)
Pomonal Windy Ridge	Australia	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Palanpur	India	Record daily precipitation	106.7 mm (4.2 in)	46 of 100 (Notable)
Ashland	United States	Record daily precipitation	112.3 mm (4.4 in)	46 of 100 (Notable)
Lake Cochituate	United States	Record daily precipitation	129.0 mm (5.1 in)	46 of 100 (Notable)
Bluffton Wtr Wks	United States	Record daily precipitation	75.2 mm (3.0 in)	45 of 100 (Notable)
Lake Leake (Kooeeyong)	Australia	Record daily precipitation	39.1 mm (1.5 in)	44 of 100 (Notable)
Great Western (Seppelt)	Australia	Record daily precipitation	39.9 mm (1.6 in)	44 of 100 (Notable)
Rockport 1 ESE	United States	Record daily precipitation	68.6 mm (2.7 in)	44 of 100 (Notable)
Moyston	Australia	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Boston City WSO	United States	Record daily precipitation	55.9 mm (2.2 in)	40 of 100 (Notable)
Wartook Reservoir	Australia	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Fredericton Unb	Canada	Record daily precipitation	111.8 mm (4.4 in)	39 of 100 (Notable)
Biscuit Flat (Woolmit)	Australia	Record daily precipitation	33.5 mm (1.3 in)	38 of 100 (Notable)
Halls Gap	Australia	Record daily precipitation	68.6 mm (2.7 in)	38 of 100 (Notable)
Provincetown 3 NW	United States	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Millicent	Australia	Record daily precipitation	33.5 mm (1.3 in)	36 of 100 (Notable)
Amphitheatre	Australia	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Boylston	United States	Record daily precipitation	198.6 mm (7.8 in)	35 of 100 (Notable)
Ashton 1	Australia	Record daily precipitation	39.4 mm (1.6 in)	34 of 100 (Routine)
Cape Northumberland	Australia	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Jung Jung	Australia	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Scottsdale	Australia	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Yorketown	Australia	Record daily precipitation	26.4 mm (1.0 in)	33 of 100 (Routine)
Mount McIntyre	Australia	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Crowlands (Woodlands)	Australia	Record daily precipitation	29.7 mm (1.2 in)	33 of 100 (Routine)
Wonwondah (Mount Zero)	Australia	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Bungaree (Kirks Reservoir)	Australia	Record daily precipitation	38.9 mm (1.5 in)	33 of 100 (Routine)
Neemuch	India	Record daily precipitation	78.5 mm (3.1 in)	33 of 100 (Routine)
Telangatuk (Scholfield)	Australia	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Nelson	Australia	Record daily precipitation	25.1 mm (1.0 in)	32 of 100 (Routine)
Wadhwan	India	Record daily precipitation	59.2 mm (2.3 in)	32 of 100 (Routine)
Farmland 5 NNW	United States	Record daily precipitation	48.8 mm (1.9 in)	31 of 100 (Routine)
Coromandel Valley (Branden)	Australia	Record daily precipitation	33.5 mm (1.3 in)	30 of 100 (Routine)
Willunga	Australia	Record daily precipitation	37.8 mm (1.5 in)	30 of 100 (Routine)
Jallukar	Australia	Record daily precipitation	35.3 mm (1.4 in)	30 of 100 (Routine)
Taunton	United States	Record daily precipitation	124.5 mm (4.9 in)	30 of 100 (Routine)
Mirranatwa (Bowacka)	Australia	Record daily precipitation	45.7 mm (1.8 in)	29 of 100 (Routine)
Viramgam	India	Record daily precipitation	76.2 mm (3.0 in)	29 of 100 (Routine)
Hyannis	United States	Record daily precipitation	139.7 mm (5.5 in)	29 of 100 (Routine)
Wilsons Reservoir	Australia	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Deloraine (Athol)	Australia	Record daily precipitation	47.0 mm (1.9 in)	28 of 100 (Routine)
Kumta	India	Record daily precipitation	82.0 mm (3.2 in)	28 of 100 (Routine)
Belair (State Flora Nursery)	Australia	Record daily precipitation	28.2 mm (1.1 in)	27 of 100 (Routine)
Mount Gambier Post Office	Australia	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Boobyalla	Australia	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Dug (Dag)	India	Record daily precipitation	83.8 mm (3.3 in)	27 of 100 (Routine)
Lewiston	United States	Record daily precipitation	60.2 mm (2.4 in)	27 of 100 (Routine)
Fall River	United States	Record daily precipitation	71.1 mm (2.8 in)	27 of 100 (Routine)
Cutchogue	United States	Record daily precipitation	48.3 mm (1.9 in)	27 of 100 (Routine)
Clarendon	Australia	Record daily precipitation	41.1 mm (1.6 in)	26 of 100 (Routine)
Robe Comparison	Australia	Record daily precipitation	36.3 mm (1.4 in)	26 of 100 (Routine)
Calivil	Australia	Record daily precipitation	32.0 mm (1.3 in)	26 of 100 (Routine)
Lyonville	Australia	Record daily precipitation	51.3 mm (2.0 in)	26 of 100 (Routine)

Counts by Type and Timescale

415 records

Records set or tied on 17 September 1933 by type: Highest daily maximum 50, Lowest daily maximum 21, Highest daily minimum 77, Lowest daily minimum 8, Heaviest daily rainfall 259.

Records on 17 September 1933 by type
Record type	Records
Highest daily maximum	50
Lowest daily maximum	21
Highest daily minimum	77
Lowest daily minimum	8
Heaviest daily rainfall	259
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 September 1933 by timescale: all-time 3, monthly 11, daily 401.

How Much Records Were Beaten By

332 broken records

Margins by which the 332 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 118.9. Ties are not counted.

Top 20 by Significance

17 September 1933

Top 20 records on 17 September 1933 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1933	Plymouth-Kingston, US	all-time rain	208.3 mm (8.2 in)	64.0 mm (2.5 in)	2 years	63 of 100 (Major)
17 September 1933	Beachport, AU	monthly rain	49.8 mm (2.0 in)	18.6 mm (0.7 in)	23 years	61 of 100 (Major)
17 September 1933	Framingham, US	daily rain	120.1 mm (4.7 in)	88.6 mm (3.5 in)	32 years	53 of 100 (Notable)
17 September 1933	Low Head (Comparison), AU	daily rain	33.0 mm (1.3 in)	18.5 mm (0.7 in)	16 years	49 of 100 (Notable)
17 September 1933	Khushalgarh, IN	daily rain	195.6 mm (7.7 in)	118.9 mm (4.7 in)	19 years	48 of 100 (Notable)
17 September 1933	Naracoorte, AU	daily rain	39.1 mm (1.5 in)	24.4 mm (1.0 in)	8 years	47 of 100 (Notable)
17 September 1933	Cape Sorell, AU	daily rain	36.8 mm (1.4 in)	22.8 mm (0.9 in)	14 years	47 of 100 (Notable)
17 September 1933	Pomonal Windy Ridge, AU	daily rain	58.4 mm (2.3 in)	35.3 mm (1.4 in)	8 years	46 of 100 (Notable)
17 September 1933	Palanpur, IN	daily rain	106.7 mm (4.2 in)	100.1 mm (3.9 in)	11 years	46 of 100 (Notable)
17 September 1933	Ashland, US	daily rain	112.3 mm (4.4 in)	96.8 mm (3.8 in)	8 years	46 of 100 (Notable)
17 September 1933	Lake Cochituate, US	daily rain	129.0 mm (5.1 in)	115.5 mm (4.5 in)	8 years	46 of 100 (Notable)
17 September 1933	Bluffton Wtr Wks, US	daily rain	75.2 mm (3.0 in)	51.8 mm (2.0 in)	15 years	45 of 100 (Notable)
17 September 1933	Lake Leake (Kooeeyong), AU	daily rain	39.1 mm (1.5 in)	22.6 mm (0.9 in)	3 years	44 of 100 (Notable)
17 September 1933	Great Western (Seppelt), AU	daily rain	39.9 mm (1.6 in)	25.7 mm (1.0 in)	23 years	44 of 100 (Notable)
17 September 1933	Rockport 1 ESE, US	daily rain	68.6 mm (2.7 in)	58.4 mm (2.3 in)	24 years	44 of 100 (Notable)
17 September 1933	Moyston, AU	daily rain	45.7 mm (1.8 in)	25.1 mm (1.0 in)	12 years	42 of 100 (Notable)
17 September 1933	Boston City WSO, US	daily rain	55.9 mm (2.2 in)	39.9 mm (1.6 in)	30 years	40 of 100 (Notable)
17 September 1933	Wartook Reservoir, AU	daily rain	48.3 mm (1.9 in)	26.7 mm (1.1 in)	8 years	39 of 100 (Notable)
17 September 1933	Fredericton Unb, CA	monthly rain	111.8 mm (4.4 in)	19.9 mm (0.8 in)	23 years	39 of 100 (Notable)
17 September 1933	Biscuit Flat (Woolmit), AU	daily rain	33.5 mm (1.3 in)	17.8 mm (0.7 in)	12 years	38 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 1933

Records set or tied on this calendar date in each year from 1796 to 1933. 1933 had 415 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 1933-09-17: 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 20	297
20 to 40	20
40 to 60	9
60 to 80	1
80 to 100	2
100 to 120	3