Weather Records on 17 September 1930

147 weather records were set or tied worldwide on 17 September 1930. Highest significance: Dublin Phoenix Park, IE.

Key Facts for 17 September 1930

On 17 September 1930, 147 weather records were set or tied at long-record stations worldwide.
62 were record highs and 27 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 144 daily.
Dublin Phoenix Park set a daily record precipitation of 26.8 mm (1.1 in) on 17 September 1930.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 424 records.

Record Map

147 stations

147 station records on 17 September 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dublin Phoenix Park	Ireland	Record daily precipitation	26.8 mm (1.1 in)	46 of 100 (Notable)
Saint Johnsbury	United States	Record daily precipitation	55.9 mm (2.2 in)	46 of 100 (Notable)
Caguas	Puerto Rico [United States]	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Pooncarie (Karpa Kora Station)	Australia	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Malin Head	Ireland	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Charlottetown	Canada	Record high maximum temperature	24.4 C (75.9 F)	23 of 100 (Routine)
Wappingers Falls	United States	Record daily precipitation	44.2 mm (1.7 in)	23 of 100 (Routine)
Baton Rouge	United States	Record low maximum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Houma	United States	Record low maximum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Fort St James	Canada	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Robe Comparison	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Little Falls City Rsch	United States	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Corny Point	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Eufaula	United States	Record daily precipitation	31.8 mm (1.3 in)	20 of 100 (Routine)
Amite	United States	Record low maximum temperature	23.3 C (73.9 F)	20 of 100 (Routine)
Covington 8 WNW	United States	Record low maximum temperature	23.3 C (73.9 F)	20 of 100 (Routine)
Fulham Park	Australia	Record daily precipitation	16.3 mm (0.6 in)	19 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	6.0 C (42.8 F)	19 of 100 (Routine)
Orskar_A	Sweden	Record daily precipitation	10.5 mm (0.4 in)	19 of 100 (Routine)
The Towers	South Africa	Record daily precipitation	13.0 mm (0.5 in)	18 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	15.5 C (59.9 F)	18 of 100 (Routine)
Copley	Australia	Record daily precipitation	8.4 mm (0.33 in)	17 of 100 (Routine)
Quorn	Australia	Record daily precipitation	10.4 mm (0.4 in)	17 of 100 (Routine)
Yongala	Australia	Record daily precipitation	14.7 mm (0.6 in)	17 of 100 (Routine)
Brentwood Post Office	Australia	Record daily precipitation	11.4 mm (0.4 in)	17 of 100 (Routine)
Big Creek	Canada	Record high minimum temperature	10.0 C (50.0 F)	17 of 100 (Routine)
Kluitjeskraal (Bos)	South Africa	Record daily precipitation	11.9 mm (0.5 in)	17 of 100 (Routine)
New Martinsville 4 NNE	United States	Record high minimum temperature	22.2 C (72.0 F)	17 of 100 (Routine)
Ediacara	Australia	Record daily precipitation	7.6 mm (0.30 in)	16 of 100 (Routine)
Windsor Kings College	Canada	Record high maximum temperature	28.3 C (82.9 F)	16 of 100 (Routine)
Norwalk	United States	Record high minimum temperature	20.6 C (69.1 F)	16 of 100 (Routine)
Greensburg	United States	Record daily precipitation	31.0 mm (1.2 in)	16 of 100 (Routine)
Takoma Park # 1	United States	Record high maximum temperature	33.9 C (93.0 F)	16 of 100 (Routine)
Biloxi	United States	Record low maximum temperature	25.6 C (78.1 F)	16 of 100 (Routine)
Woodville 4 ESE	United States	Record low maximum temperature	21.1 C (70.0 F)	16 of 100 (Routine)
Maitland (Woodburlie)	Australia	Record daily precipitation	12.4 mm (0.5 in)	15 of 100 (Routine)
Lake Leake (Kooeeyong)	Australia	Record daily precipitation	16.5 mm (0.6 in)	15 of 100 (Routine)
Wolfville	Canada	Record high minimum temperature	16.7 C (62.1 F)	15 of 100 (Routine)
Tbilisi	Georgia	Record low maximum temperature	16.5 C (61.7 F)	15 of 100 (Routine)
Atyrau	Kazakhstan	Record low minimum temperature	2.2 C (36.0 F)	15 of 100 (Routine)
Svirica	Russia	Record daily precipitation	15.5 mm (0.6 in)	15 of 100 (Routine)
Abbeville	United States	Record low maximum temperature	23.3 C (73.9 F)	15 of 100 (Routine)
College Park	United States	Record high minimum temperature	20.6 C (69.1 F)	15 of 100 (Routine)
Hattiesburg 5SW	United States	Record low maximum temperature	23.9 C (75.0 F)	15 of 100 (Routine)
Plainfield	United States	Record high minimum temperature	20.0 C (68.0 F)	15 of 100 (Routine)
Los Lunas	United States	Record low minimum temperature	1.1 C (34.0 F)	15 of 100 (Routine)
Carmel	United States	Record high minimum temperature	18.9 C (66.0 F)	15 of 100 (Routine)
Maitland (Weetulta)	Australia	Record daily precipitation	8.1 mm (0.32 in)	14 of 100 (Routine)
Willsons River	Australia	Record daily precipitation	16.8 mm (0.7 in)	14 of 100 (Routine)
Stirling	Australia	Record daily precipitation	33.5 mm (1.3 in)	14 of 100 (Routine)
Kazan	Russia	Record low minimum temperature	1.3 C (34.3 F)	14 of 100 (Routine)
Middelwater	South Africa	Record daily precipitation	4.3 mm (0.17 in)	14 of 100 (Routine)
Porthill	United States	Record high maximum temperature	28.3 C (82.9 F)	14 of 100 (Routine)
Hammond	United States	Record low maximum temperature	25.6 C (78.1 F)	14 of 100 (Routine)
W Chester 2 NW	United States	Record daily precipitation	20.8 mm (0.8 in)	14 of 100 (Routine)
Carrieton (Yanyarrie)	Australia	Record daily precipitation	14.5 mm (0.6 in)	13 of 100 (Routine)
Curnomona (Curnamona)	Australia	Record daily precipitation	10.4 mm (0.4 in)	13 of 100 (Routine)
Yunta (Winnininnie)	Australia	Record daily precipitation	10.9 mm (0.4 in)	13 of 100 (Routine)
Cape Willoughby	Australia	Record daily precipitation	12.2 mm (0.5 in)	13 of 100 (Routine)

Counts by Type and Timescale

147 records

Records set or tied on 17 September 1930 by type: Highest daily maximum 20, Lowest daily maximum 21, Highest daily minimum 42, Lowest daily minimum 6, Heaviest daily rainfall 58.

Records on 17 September 1930 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	21
Highest daily minimum	42
Lowest daily minimum	6
Heaviest daily rainfall	58
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 September 1930 by timescale: all-time 0, monthly 3, daily 144.

How Much Records Were Beaten By

111 broken records

Margins by which the 111 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 46.0. Ties are not counted.

Top 20 by Significance

17 September 1930

Top 20 records on 17 September 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1930	Dublin Phoenix Park, IE	daily rain	26.8 mm (1.1 in)	11.6 mm (0.5 in)	60 years	46 of 100 (Notable)
17 September 1930	Saint Johnsbury, US	daily rain	55.9 mm (2.2 in)	46.0 mm (1.8 in)	12 years	46 of 100 (Notable)
17 September 1930	Caguas, PR	daily rain	50.8 mm (2.0 in)	30.5 mm (1.2 in)	24 years	30 of 100 (Routine)
17 September 1930	Pooncarie (Karpa Kora Station), AU	monthly rain	33.0 mm (1.3 in)	6.6 mm (0.26 in)	10 years	29 of 100 (Routine)
17 September 1930	Malin Head, IE	daily rain	27.4 mm (1.1 in)	5.8 mm (0.23 in)	39 years	27 of 100 (Routine)
17 September 1930	Charlottetown, CA	daily high max	24.4 C (75.9 F)	1.1 C (2.0 F)	52 years	23 of 100 (Routine)
17 September 1930	Wappingers Falls, US	daily rain	44.2 mm (1.7 in)	30.5 mm (1.2 in)	0 years	23 of 100 (Routine)
17 September 1930	Baton Rouge, US	daily low max	23.3 C (73.9 F)	3.4 C (6.1 F)	28 years	22 of 100 (Routine)
17 September 1930	Houma, US	monthly low max	21.1 C (70.0 F)	0.6 C (1.1 F)	21 years	21 of 100 (Routine)
17 September 1930	Hamburg Fuhlsbuettel, DE	daily rain	23.6 mm (0.9 in)	15.0 mm (0.6 in)	16 years	20 of 100 (Routine)
17 September 1930	Fort St James, CA	daily rain	24.9 mm (1.0 in)	10.9 mm (0.4 in)	1 year	20 of 100 (Routine)
17 September 1930	Robe Comparison, AU	daily rain	16.0 mm (0.6 in)	3.6 mm (0.14 in)	34 years	20 of 100 (Routine)
17 September 1930	Little Falls City Rsch, US	daily rain	24.6 mm (1.0 in)	12.4 mm (0.5 in)	31 years	20 of 100 (Routine)
17 September 1930	Corny Point, AU	daily rain	14.7 mm (0.6 in)	2.5 mm (0.10 in)	34 years	20 of 100 (Routine)
17 September 1930	Eufaula, US	daily rain	31.8 mm (1.3 in)	15.0 mm (0.6 in)	35 years	20 of 100 (Routine)
17 September 1930	Amite, US	daily low max	23.3 C (73.9 F)	2.8 C (5.0 F)	28 years	20 of 100 (Routine)
17 September 1930	Covington 8 WNW, US	daily low max	23.3 C (73.9 F)	3.4 C (6.1 F)	23 years	20 of 100 (Routine)
17 September 1930	Fulham Park, AU	daily rain	16.3 mm (0.6 in)	5.1 mm (0.20 in)	27 years	19 of 100 (Routine)
17 September 1930	Astrakan, RU	daily low min	6.0 C (42.8 F)	1.7 C (3.1 F)	35 years	19 of 100 (Routine)
17 September 1930	Orskar_A, SE	daily rain	10.5 mm (0.4 in)	2.9 mm (0.11 in)	30 years	19 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

1796 to 1930

Records set or tied on this calendar date in each year from 1796 to 1930. 1930 had 147 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 1930-09-17: 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 10	103
10 to 20	5
20 to 30	0
30 to 40	2
40 to 50	1