Weather Records on 18 September 1934

188 weather records were set or tied worldwide on 18 September 1934. Highest significance: Gardiner, US.

Key Facts for 18 September 1934

On 18 September 1934, 188 weather records were set or tied at long-record stations worldwide.
75 were record highs and 53 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 184 daily.
Gardiner set a monthly record daily precipitation of 135.4 mm (5.3 in) on 18 September 1934.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 423 records.

Record Map

188 stations

188 station records on 18 September 1934 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1934: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gardiner	United States	Record daily precipitation	135.4 mm (5.3 in)	55 of 100 (Notable)
Orono	United States	Record daily precipitation	74.2 mm (2.9 in)	52 of 100 (Notable)
Vernon	United States	Record daily precipitation	72.9 mm (2.9 in)	48 of 100 (Notable)
Mahuadaur	India	Record daily precipitation	108.2 mm (4.3 in)	45 of 100 (Notable)
Bar Harbor 3 NW	United States	Record daily precipitation	147.8 mm (5.8 in)	45 of 100 (Notable)
Gangajalghati	India	Record daily precipitation	174.0 mm (6.9 in)	44 of 100 (Notable)
Farmington	United States	Record daily precipitation	65.5 mm (2.6 in)	40 of 100 (Notable)
Uppsala_Aut	Sweden	Record high minimum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Boylston	United States	Record daily precipitation	95.0 mm (3.7 in)	34 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	16.2 C (61.2 F)	33 of 100 (Routine)
Saint John	Canada	Record daily precipitation	48.0 mm (1.9 in)	33 of 100 (Routine)
Calgary Int'l A	Canada	Record daily snowfall	15.2 cm (6.0 in)	32 of 100 (Routine)
Khatra	India	Record daily precipitation	105.2 mm (4.1 in)	32 of 100 (Routine)
Lawrence	United States	Record daily precipitation	74.9 mm (2.9 in)	32 of 100 (Routine)
Chunar	India	Record daily precipitation	82.8 mm (3.3 in)	31 of 100 (Routine)
Robertsganj	India	Record daily precipitation	105.4 mm (4.1 in)	31 of 100 (Routine)
Gangapur	India	Record daily precipitation	112.3 mm (4.4 in)	30 of 100 (Routine)
Fitchburg 4 SE	United States	Record daily precipitation	55.4 mm (2.2 in)	28 of 100 (Routine)
Port Lincoln	Australia	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Daltonganj	India	Record daily precipitation	70.1 mm (2.8 in)	27 of 100 (Routine)
Dudhi	India	Record daily precipitation	119.4 mm (4.7 in)	26 of 100 (Routine)
Chipurupally	India	Record daily precipitation	77.0 mm (3.0 in)	25 of 100 (Routine)
Jaipur	India	Record daily precipitation	115.6 mm (4.6 in)	25 of 100 (Routine)
Anticosti SW Point	Canada	Record high minimum temperature	13.3 C (55.9 F)	24 of 100 (Routine)
Raghunathpur	India	Record daily precipitation	97.8 mm (3.9 in)	24 of 100 (Routine)
Barabazar	India	Record daily precipitation	74.4 mm (2.9 in)	24 of 100 (Routine)
Gavle	Sweden	Record high maximum temperature	22.0 C (71.6 F)	24 of 100 (Routine)
Berlin-Dahlem	Germany	Record high maximum temperature	28.0 C (82.4 F)	23 of 100 (Routine)
N Ghasan Sr	India	Record daily precipitation	59.7 mm (2.4 in)	22 of 100 (Routine)
Syktyvkar	Russia	Record low minimum temperature	-5.0 C (23.0 F)	22 of 100 (Routine)
Stockholm	Sweden	Record high maximum temperature	20.8 C (69.4 F)	22 of 100 (Routine)
Stockholm	Sweden	Record high minimum temperature	13.6 C (56.5 F)	22 of 100 (Routine)
Sandvig	Denmark	Record high maximum temperature	23.6 C (74.5 F)	21 of 100 (Routine)
Schwerin	Germany	Record high maximum temperature	27.8 C (82.0 F)	21 of 100 (Routine)
Jallesore	India	Record daily precipitation	59.4 mm (2.3 in)	21 of 100 (Routine)
Baramba	India	Record daily precipitation	64.3 mm (2.5 in)	21 of 100 (Routine)
Chendipada	India	Record daily precipitation	46.0 mm (1.8 in)	21 of 100 (Routine)
Halmstad	Sweden	Record high maximum temperature	22.3 C (72.1 F)	21 of 100 (Routine)
Le Bourget	France	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Tashkent	Uzbekistan	Record daily precipitation	12.1 mm (0.5 in)	20 of 100 (Routine)
Faerder Fyr	Norway	Record high minimum temperature	14.8 C (58.6 F)	20 of 100 (Routine)
Niznij Novgorod	Russia	Record low minimum temperature	-1.6 C (29.1 F)	20 of 100 (Routine)
Zametchino	Russia	Record low minimum temperature	-3.3 C (26.1 F)	20 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record low minimum temperature	1.4 C (34.5 F)	20 of 100 (Routine)
San Marcos	United States	Record low minimum temperature	12.8 C (55.0 F)	20 of 100 (Routine)
Potsdam	Germany	Record high maximum temperature	28.4 C (83.1 F)	19 of 100 (Routine)
Kon-Kolodez	Russia	Record low minimum temperature	-1.7 C (28.9 F)	19 of 100 (Routine)
Haparanda	Sweden	Record high maximum temperature	15.5 C (59.9 F)	19 of 100 (Routine)
Robe Comparison	Australia	Record high minimum temperature	14.4 C (57.9 F)	18 of 100 (Routine)
Magdeburg	Germany	Record high maximum temperature	28.8 C (83.8 F)	18 of 100 (Routine)
Feodosiia	Ukraine	Record low minimum temperature	7.2 C (45.0 F)	18 of 100 (Routine)
Bridgeport	United States	Record daily precipitation	34.3 mm (1.4 in)	18 of 100 (Routine)
Ogdensburg 4 NE	United States	Record low maximum temperature	14.4 C (57.9 F)	18 of 100 (Routine)
Cooktown Post Office	Australia	Record daily precipitation	5.6 mm (0.22 in)	17 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	27.8 C (82.0 F)	17 of 100 (Routine)
Aijal	India	Record daily precipitation	51.3 mm (2.0 in)	17 of 100 (Routine)
Orenburg	Russia	Record low minimum temperature	-1.0 C (30.2 F)	17 of 100 (Routine)
Emmitsburg	United States	Record low maximum temperature	18.3 C (64.9 F)	17 of 100 (Routine)
Henderson 2 NNW	United States	Record high minimum temperature	23.9 C (75.0 F)	17 of 100 (Routine)

Counts by Type and Timescale

188 records

Records set or tied on 18 September 1934 by type: Highest daily maximum 31, Lowest daily maximum 27, Highest daily minimum 44, Lowest daily minimum 26, Heaviest daily rainfall 58, Heaviest daily snowfall 2.

Records on 18 September 1934 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	27
Highest daily minimum	44
Lowest daily minimum	26
Heaviest daily rainfall	58
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 18 September 1934 by timescale: all-time 0, monthly 4, daily 184.

How Much Records Were Beaten By

146 broken records

Margins by which the 146 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 147.0. Ties are not counted.

Top 20 by Significance

18 September 1934

Top 20 records on 18 September 1934 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1934	Gardiner, US	monthly rain	135.4 mm (5.3 in)	39.1 mm (1.5 in)	38 years	55 of 100 (Notable)
18 September 1934	Orono, US	daily rain	74.2 mm (2.9 in)	56.7 mm (2.2 in)	28 years	52 of 100 (Notable)
18 September 1934	Vernon, US	daily rain	72.9 mm (2.9 in)	51.8 mm (2.0 in)	16 years	48 of 100 (Notable)
18 September 1934	Mahuadaur, IN	daily rain	108.2 mm (4.3 in)	71.9 mm (2.8 in)	8 years	45 of 100 (Notable)
18 September 1934	Bar Harbor 3 NW, US	daily rain	147.8 mm (5.8 in)	125.4 mm (4.9 in)	4 years	45 of 100 (Notable)
18 September 1934	Gangajalghati, IN	daily rain	174.0 mm (6.9 in)	131.3 mm (5.2 in)	4 years	44 of 100 (Notable)
18 September 1934	Farmington, US	daily rain	65.5 mm (2.6 in)	38.1 mm (1.5 in)	28 years	40 of 100 (Notable)
18 September 1934	Uppsala_Aut, SE	daily high min	12.8 C (55.0 F)	1.5 C (2.7 F)	73 years	35 of 100 (Notable)
18 September 1934	Boylston, US	daily rain	95.0 mm (3.7 in)	70.4 mm (2.8 in)	16 years	34 of 100 (Routine)
18 September 1934	Hobart (Ellerslie Road), AU	monthly high min	16.2 C (61.2 F)	1.1 C (2.0 F)	47 years	33 of 100 (Routine)
18 September 1934	Saint John, CA	daily rain	48.0 mm (1.9 in)	15.2 mm (0.6 in)	44 years	33 of 100 (Routine)
18 September 1934	Calgary Int'l A, CA	daily snowfall	15.2 cm (6.0 in)	14.7 cm (5.8 in)	8 years	32 of 100 (Routine)
18 September 1934	Khatra, IN	daily rain	105.2 mm (4.1 in)	50.3 mm (2.0 in)	20 years	32 of 100 (Routine)
18 September 1934	Lawrence, US	daily rain	74.9 mm (2.9 in)	29.2 mm (1.1 in)	33 years	32 of 100 (Routine)
18 September 1934	Chunar, IN	daily rain	82.8 mm (3.3 in)	53.3 mm (2.1 in)	23 years	31 of 100 (Routine)
18 September 1934	Robertsganj, IN	daily rain	105.4 mm (4.1 in)	60.2 mm (2.4 in)	11 years	31 of 100 (Routine)
18 September 1934	Gangapur, IN	daily rain	112.3 mm (4.4 in)	50.8 mm (2.0 in)	16 years	30 of 100 (Routine)
18 September 1934	Fitchburg 4 SE, US	daily rain	55.4 mm (2.2 in)	25.9 mm (1.0 in)	33 years	28 of 100 (Routine)
18 September 1934	Port Lincoln, AU	daily high min	16.1 C (61.0 F)	2.8 C (5.0 F)	41 years	27 of 100 (Routine)
18 September 1934	Cape Otway Lighthouse, AU	daily high min	16.7 C (62.1 F)	0.6 C (1.1 F)	61 years	27 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

1803 to 1934

Records set or tied on this calendar date in each year from 1803 to 1934. 1934 had 188 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 1934-09-18: 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	121
20 to 40	11
40 to 60	8
60 to 80	3
80 to 100	0
100 to 120	0
120 to 140	2
140 to 160	1