Weather Records on 18 September 1937

422 weather records were set or tied worldwide on 18 September 1937. Highest significance: Gysinge, SE.

Key Facts for 18 September 1937

On 18 September 1937, 422 weather records were set or tied at long-record stations worldwide.
132 were record highs and 226 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 417 daily.
Gysinge set a daily record precipitation of 31.8 mm (1.3 in) on 18 September 1937.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 421 records.

Record Map

422 stations

422 station records on 18 September 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gysinge	Sweden	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
Jagnathpur	India	Record daily precipitation	95.5 mm (3.8 in)	43 of 100 (Notable)
Nordby (Fano)	Denmark	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Port Lincoln	Australia	Record daily precipitation	29.2 mm (1.1 in)	38 of 100 (Notable)
Kvikkjokk-Arrenjarka	Sweden	Record daily precipitation	44.2 mm (1.7 in)	35 of 100 (Notable)
Bergplaats	South Africa	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Mbabane	Swaziland	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Washington	United States	Record low minimum temperature	7.2 C (45.0 F)	27 of 100 (Routine)
Port Lincoln (Big Swamp)	Australia	Record daily precipitation	39.4 mm (1.6 in)	26 of 100 (Routine)
Ny City Cntrl Park	United States	Record low minimum temperature	7.2 C (45.0 F)	26 of 100 (Routine)
Avon Park 2 W	United States	Record high maximum temperature	36.7 C (98.1 F)	25 of 100 (Routine)
Sandvig	Denmark	Record high minimum temperature	15.2 C (59.4 F)	24 of 100 (Routine)
Kiruna	Sweden	Record daily precipitation	29.2 mm (1.1 in)	24 of 100 (Routine)
Belle Isle	Canada	Record high minimum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Mudukulathur	India	Record daily precipitation	31.2 mm (1.2 in)	23 of 100 (Routine)
Velikie Luki	Russia	Record high maximum temperature	22.8 C (73.0 F)	23 of 100 (Routine)
Pickens 1	United States	Record low minimum temperature	-1.7 C (28.9 F)	23 of 100 (Routine)
Surgut	Russia	Record low minimum temperature	-6.3 C (20.7 F)	22 of 100 (Routine)
Sveg	Sweden	Record high minimum temperature	10.5 C (50.9 F)	22 of 100 (Routine)
Jeffersonville	United States	Record low minimum temperature	1.1 C (34.0 F)	22 of 100 (Routine)
Dover 1 W	United States	Record low minimum temperature	2.2 C (36.0 F)	22 of 100 (Routine)
Eagle Pass 3N	United States	Record low maximum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Charlottesville 2W	United States	Record low minimum temperature	6.1 C (43.0 F)	22 of 100 (Routine)
Bourke Post Office	Australia	Record high minimum temperature	21.2 C (70.2 F)	21 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Owensboro 3ENE	United States	Record low minimum temperature	1.7 C (35.1 F)	21 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record low minimum temperature	0.0 C (32.0 F)	21 of 100 (Routine)
Gavle	Sweden	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
St Georges	Canada	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Pte de la Hague	France	Record daily precipitation	14.9 mm (0.6 in)	20 of 100 (Routine)
Dromana	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Landsort	Sweden	Record daily precipitation	10.3 mm (0.4 in)	20 of 100 (Routine)
Cape Borda Comparison	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Wonderfontein (Skl)	South Africa	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Oudtshoorn	South Africa	Record daily precipitation	6.1 mm (0.24 in)	20 of 100 (Routine)
Stockholm	Sweden	Record daily precipitation	17.7 mm (0.7 in)	20 of 100 (Routine)
Walgett Council Depot	Australia	Record high minimum temperature	21.7 C (71.1 F)	20 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high minimum temperature	13.9 C (57.0 F)	20 of 100 (Routine)
Balipara(Addibar) Sr	India	Record daily precipitation	77.7 mm (3.1 in)	20 of 100 (Routine)
Astrakan	Russia	Record high minimum temperature	21.2 C (70.2 F)	20 of 100 (Routine)
Orskar_A	Sweden	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Forse	Sweden	Record daily precipitation	24.5 mm (1.0 in)	20 of 100 (Routine)
Tallahassee	United States	Record low maximum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Marengo	United States	Record low minimum temperature	-1.7 C (28.9 F)	20 of 100 (Routine)
Hagerstown 1E	United States	Record low minimum temperature	0.6 C (33.1 F)	20 of 100 (Routine)
Sloan 3 S	United States	Record low maximum temperature	20.6 C (69.1 F)	20 of 100 (Routine)
Coldwater	United States	Record low minimum temperature	3.9 C (39.0 F)	20 of 100 (Routine)
Buckhannon	United States	Record low minimum temperature	0.0 C (32.0 F)	20 of 100 (Routine)
Charleston 1	United States	Record low minimum temperature	1.7 C (35.1 F)	20 of 100 (Routine)
Tumby Bay (Hillview)	Australia	Record daily precipitation	27.9 mm (1.1 in)	19 of 100 (Routine)
Cape Grim (Woolnorth)	Australia	Record daily precipitation	16.8 mm (0.7 in)	19 of 100 (Routine)
Balurghat	India	Record daily precipitation	77.2 mm (3.0 in)	19 of 100 (Routine)
Princeton	United States	Record low minimum temperature	3.9 C (39.0 F)	19 of 100 (Routine)
Cambridge Water Trmt P	United States	Record low maximum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Cumberland	United States	Record low maximum temperature	19.4 C (66.9 F)	19 of 100 (Routine)
Lake Cochituate	United States	Record low maximum temperature	18.9 C (66.0 F)	19 of 100 (Routine)
Livingston	United States	Record high maximum temperature	32.8 C (91.0 F)	19 of 100 (Routine)
Sussex 1 NW	United States	Record low minimum temperature	1.7 C (35.1 F)	19 of 100 (Routine)
Portsmouth-Sciotoville	United States	Record low minimum temperature	2.8 C (37.0 F)	19 of 100 (Routine)

Counts by Type and Timescale

422 records

Records set or tied on 18 September 1937 by type: Highest daily maximum 88, Lowest daily maximum 53, Highest daily minimum 44, Lowest daily minimum 173, Heaviest daily rainfall 64.

Records on 18 September 1937 by type
Record type	Records
Highest daily maximum	88
Lowest daily maximum	53
Highest daily minimum	44
Lowest daily minimum	173
Heaviest daily rainfall	64
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1937 by timescale: all-time 0, monthly 5, daily 417.

How Much Records Were Beaten By

334 broken records

Margins by which the 334 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.6. Ties are not counted.

Top 20 by Significance

18 September 1937

Top 20 records on 18 September 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1937	Gysinge, SE	daily rain	31.8 mm (1.3 in)	21.2 mm (0.8 in)	19 years	46 of 100 (Notable)
18 September 1937	Jagnathpur, IN	daily rain	95.5 mm (3.8 in)	69.6 mm (2.7 in)	3 years	43 of 100 (Notable)
18 September 1937	Nordby (Fano), DK	daily rain	33.0 mm (1.3 in)	11.0 mm (0.4 in)	57 years	41 of 100 (Notable)
18 September 1937	Port Lincoln, AU	daily rain	29.2 mm (1.1 in)	13.2 mm (0.5 in)	16 years	38 of 100 (Notable)
18 September 1937	Kvikkjokk-Arrenjarka, SE	monthly rain	44.2 mm (1.7 in)	8.8 mm (0.35 in)	10 years	35 of 100 (Notable)
18 September 1937	Bergplaats, ZA	daily rain	27.9 mm (1.1 in)	16.5 mm (0.6 in)	30 years	30 of 100 (Routine)
18 September 1937	Mbabane, SZ	daily rain	28.4 mm (1.1 in)	13.7 mm (0.5 in)	30 years	28 of 100 (Routine)
18 September 1937	Washington, US	daily low min	7.2 C (45.0 F)	0.6 C (1.1 F)	61 years	27 of 100 (Routine)
18 September 1937	Port Lincoln (Big Swamp), AU	monthly rain	39.4 mm (1.6 in)	6.4 mm (0.25 in)	5 years	26 of 100 (Routine)
18 September 1937	Ny City Cntrl Park, US	daily low min	7.2 C (45.0 F)	0.6 C (1.1 F)	65 years	26 of 100 (Routine)
18 September 1937	Avon Park 2 W, US	daily high max	36.7 C (98.1 F)	2.3 C (4.1 F)	32 years	25 of 100 (Routine)
18 September 1937	Sandvig, DK	daily high min	15.2 C (59.4 F)	0.5 C (0.9 F)	54 years	24 of 100 (Routine)
18 September 1937	Kiruna, SE	daily rain	29.2 mm (1.1 in)	8.5 mm (0.33 in)	15 years	24 of 100 (Routine)
18 September 1937	Belle Isle, CA	daily high min	11.1 C (52.0 F)	1.1 C (2.0 F)	51 years	23 of 100 (Routine)
18 September 1937	Mudukulathur, IN	daily rain	31.2 mm (1.2 in)	19.8 mm (0.8 in)	24 years	23 of 100 (Routine)
18 September 1937	Velikie Luki, RU	daily high max	22.8 C (73.0 F)	1.0 C (1.8 F)	53 years	23 of 100 (Routine)
18 September 1937	Pickens 1, US	daily low min	-1.7 C (28.9 F)	5.0 C (9.0 F)	34 years	23 of 100 (Routine)
18 September 1937	Surgut, RU	daily low min	-6.3 C (20.7 F)	4.0 C (7.2 F)	31 years	22 of 100 (Routine)
18 September 1937	Sveg, SE	daily high min	10.5 C (50.9 F)	0.5 C (0.9 F)	54 years	22 of 100 (Routine)
18 September 1937	Jeffersonville, US	daily low min	1.1 C (34.0 F)	3.9 C (7.0 F)	36 years	22 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 1937

Records set or tied on this calendar date in each year from 1803 to 1937. 1937 had 422 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 1937-09-18: 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 10	322
10 to 20	8
20 to 30	2
30 to 40	0
40 to 50	1
50 to 60	0
60 to 70	1