Weather Records on 15 September 1934

351 weather records were set or tied worldwide on 15 September 1934. Highest significance: Malin Head, IE.

Key Facts for 15 September 1934

On 15 September 1934, 351 weather records were set or tied at long-record stations worldwide.
47 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 2 monthly and 347 daily.
Malin Head set a daily record precipitation of 33.6 mm (1.3 in) on 15 September 1934.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 413 records.

Record Map

351 stations

351 station records on 15 September 1934 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1934: highest significance records shown on the map
Station	Country	Type	Value	Significance
Malin Head	Ireland	Record daily precipitation	33.6 mm (1.3 in)	55 of 100 (Notable)
Ironwood	United States	Record daily precipitation	55.9 mm (2.2 in)	51 of 100 (Notable)
Tebessa	Algeria	Record daily precipitation	46.0 mm (1.8 in)	46 of 100 (Notable)
Kerkeriya	India	Record daily precipitation	163.8 mm (6.4 in)	45 of 100 (Notable)
Aldinga Post Office	Australia	Record daily precipitation	30.7 mm (1.2 in)	44 of 100 (Notable)
Old Noarlunga Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Maitland	Australia	Record daily precipitation	27.4 mm (1.1 in)	43 of 100 (Notable)
Clarendon	Australia	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Toronto Agincourt	Canada	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Adelaide (Morphett Vale)	Australia	Record daily precipitation	31.5 mm (1.2 in)	35 of 100 (Notable)
Pachamba	India	Record daily precipitation	165.6 mm (6.5 in)	35 of 100 (Notable)
Arcadia	United States	Record low maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Steffenville	United States	Record daily precipitation	67.3 mm (2.6 in)	34 of 100 (Routine)
Willunga	Australia	Record daily precipitation	27.7 mm (1.1 in)	33 of 100 (Routine)
Belair (Kalyra)	Australia	Record daily precipitation	32.8 mm (1.3 in)	32 of 100 (Routine)
Willaura (Main Street)	Australia	Record daily precipitation	27.2 mm (1.1 in)	31 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record daily precipitation	75.2 mm (3.0 in)	31 of 100 (Routine)
Tewantin Post Office	Australia	Record low minimum temperature	-3.3 C (26.1 F)	30 of 100 (Routine)
Coromandel Valley (Branden)	Australia	Record daily precipitation	25.9 mm (1.0 in)	29 of 100 (Routine)
Lindsay	Canada	Record daily precipitation	78.5 mm (3.1 in)	29 of 100 (Routine)
Columbia 2SSE	United States	Record daily precipitation	48.5 mm (1.9 in)	29 of 100 (Routine)
Kalchini	India	Record daily precipitation	310.4 mm (12.2 in)	28 of 100 (Routine)
Du Quoin 4 SE	United States	Record daily precipitation	49.3 mm (1.9 in)	28 of 100 (Routine)
Huntsville	United States	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Kachugaon	India	Record daily precipitation	148.6 mm (5.9 in)	27 of 100 (Routine)
Ekaterinburg	Russia	Record daily precipitation	25.3 mm (1.0 in)	27 of 100 (Routine)
Mekliganj	India	Record daily precipitation	154.4 mm (6.1 in)	26 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	29.3 C (84.7 F)	25 of 100 (Routine)
Machadodorp	South Africa	Record daily precipitation	29.0 mm (1.1 in)	25 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high maximum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Kimball 2NE	United States	Record low minimum temperature	-3.9 C (25.0 F)	25 of 100 (Routine)
Woodstock	Canada	Record daily precipitation	41.1 mm (1.6 in)	24 of 100 (Routine)
Barduar	India	Record daily precipitation	67.3 mm (2.6 in)	24 of 100 (Routine)
Godda	India	Record daily precipitation	81.3 mm (3.2 in)	24 of 100 (Routine)
Narayanganj	India	Record daily precipitation	78.5 mm (3.1 in)	24 of 100 (Routine)
Biskra	Algeria	Record low maximum temperature	26.0 C (78.8 F)	23 of 100 (Routine)
Kishanganj	India	Record daily precipitation	81.5 mm (3.2 in)	23 of 100 (Routine)
Danville 2 SE	United States	Record daily precipitation	39.9 mm (1.6 in)	23 of 100 (Routine)
Romney 1 SW	United States	Record daily precipitation	34.3 mm (1.4 in)	23 of 100 (Routine)
Chandragiri	India	Record daily precipitation	60.5 mm (2.4 in)	22 of 100 (Routine)
Stockholm	Sweden	Record high maximum temperature	21.2 C (70.2 F)	22 of 100 (Routine)
Lebanon 2W	United States	Record low maximum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Surgut	Russia	Record low minimum temperature	-4.5 C (23.9 F)	21 of 100 (Routine)
Storlien	Sweden	Record high maximum temperature	18.8 C (65.8 F)	21 of 100 (Routine)
Balaklava	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Adelaide West Terrace	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Rokewood (the Meadows)	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Snowtown	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Curramulka	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Maitland (Woodburlie)	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Hamley Bridge	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Blyth	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Port Clinton (Yararoo)	Australia	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Adelaide (Glen Osmond)	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Adelaide (Thorndon Park)	Australia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Hoyleton	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Edithburgh Post Office	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Marrabel	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Belair (State Flora Nursery)	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Adelaide (Salisbury Bowling Cl	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

351 records

Records set or tied on 15 September 1934 by type: Highest daily maximum 27, Lowest daily maximum 35, Highest daily minimum 20, Lowest daily minimum 27, Heaviest daily rainfall 242.

Records on 15 September 1934 by type
Record type	Records
Highest daily maximum	27
Lowest daily maximum	35
Highest daily minimum	20
Lowest daily minimum	27
Heaviest daily rainfall	242
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 1934 by timescale: all-time 2, monthly 2, daily 347.

How Much Records Were Beaten By

311 broken records

Margins by which the 311 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 92.2. Ties are not counted.

Top 20 by Significance

15 September 1934

Top 20 records on 15 September 1934 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1934	Malin Head, IE	daily rain	33.6 mm (1.3 in)	20.9 mm (0.8 in)	34 years	55 of 100 (Notable)
15 September 1934	Ironwood, US	daily rain	55.9 mm (2.2 in)	43.2 mm (1.7 in)	28 years	51 of 100 (Notable)
15 September 1934	Tebessa, DZ	daily rain	46.0 mm (1.8 in)	41.7 mm (1.6 in)	4 years	46 of 100 (Notable)
15 September 1934	Kerkeriya, IN	daily rain	163.8 mm (6.4 in)	92.2 mm (3.6 in)	24 years	45 of 100 (Notable)
15 September 1934	Aldinga Post Office, AU	daily rain	30.7 mm (1.2 in)	20.0 mm (0.8 in)	23 years	44 of 100 (Notable)
15 September 1934	Old Noarlunga Post Office, AU	daily rain	27.9 mm (1.1 in)	19.3 mm (0.8 in)	23 years	44 of 100 (Notable)
15 September 1934	Maitland, AU	daily rain	27.4 mm (1.1 in)	17.7 mm (0.7 in)	23 years	43 of 100 (Notable)
15 September 1934	Clarendon, AU	daily rain	38.1 mm (1.5 in)	22.6 mm (0.9 in)	28 years	43 of 100 (Notable)
15 September 1934	Toronto Agincourt, CA	daily rain	46.0 mm (1.8 in)	26.2 mm (1.0 in)	32 years	40 of 100 (Notable)
15 September 1934	Adelaide (Morphett Vale), AU	daily rain	31.5 mm (1.2 in)	18.0 mm (0.7 in)	9 years	35 of 100 (Notable)
15 September 1934	Pachamba, IN	all-time rain	165.6 mm (6.5 in)	13.2 mm (0.5 in)	17 years	35 of 100 (Notable)
15 September 1934	Arcadia, US	daily low max	26.7 C (80.1 F)	3.9 C (7.0 F)	33 years	35 of 100 (Notable)
15 September 1934	Steffenville, US	daily rain	67.3 mm (2.6 in)	38.9 mm (1.5 in)	19 years	34 of 100 (Routine)
15 September 1934	Willunga, AU	daily rain	27.7 mm (1.1 in)	13.2 mm (0.5 in)	23 years	33 of 100 (Routine)
15 September 1934	Belair (Kalyra), AU	daily rain	32.8 mm (1.3 in)	19.6 mm (0.8 in)	19 years	32 of 100 (Routine)
15 September 1934	Willaura (Main Street), AU	daily rain	27.2 mm (1.1 in)	13.2 mm (0.5 in)	21 years	31 of 100 (Routine)
15 September 1934	Ft Myers Page Fld AP, US	daily rain	75.2 mm (3.0 in)	42.7 mm (1.7 in)	16 years	31 of 100 (Routine)
15 September 1934	Tewantin Post Office, AU	daily low min	-3.3 C (26.1 F)	8.3 C (14.9 F)	11 years	30 of 100 (Routine)
15 September 1934	Coromandel Valley (Branden), AU	daily rain	25.9 mm (1.0 in)	12.2 mm (0.5 in)	28 years	29 of 100 (Routine)
15 September 1934	Lindsay, CA	monthly rain	78.5 mm (3.1 in)	6.6 mm (0.26 in)	24 years	29 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 1934

Records set or tied on this calendar date in each year from 1797 to 1934. 1934 had 351 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 1934-09-15: 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 20	287
20 to 40	16
40 to 60	5
60 to 80	1
80 to 100	2