Weather Records on 17 September 1938

363 weather records were set or tied worldwide on 17 September 1938. Highest significance: Tot-Ma, RU.

Key Facts for 17 September 1938

On 17 September 1938, 363 weather records were set or tied at long-record stations worldwide.
127 were record highs and 111 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 357 daily.
Tot-Ma set a daily record precipitation of 38.7 mm (1.5 in) on 17 September 1938.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 423 records.

Record Map

363 stations

363 station records on 17 September 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tot-Ma	Russia	Record daily precipitation	38.7 mm (1.5 in)	56 of 100 (Notable)
Burnett 3 S	United States	Record daily precipitation	69.9 mm (2.8 in)	43 of 100 (Notable)
New Westminster	Canada	Record high maximum temperature	31.1 C (88.0 F)	38 of 100 (Notable)
Badnera	India	Record daily precipitation	103.4 mm (4.1 in)	37 of 100 (Notable)
Mawphlang Obsy	India	Record daily precipitation	114.3 mm (4.5 in)	37 of 100 (Notable)
Edenton	United States	Record daily precipitation	74.9 mm (2.9 in)	37 of 100 (Notable)
Buldana	India	Record daily precipitation	91.9 mm (3.6 in)	36 of 100 (Notable)
Greenville	United States	Record daily precipitation	100.1 mm (3.9 in)	36 of 100 (Notable)
Balapur	India	Record daily precipitation	81.8 mm (3.2 in)	35 of 100 (Notable)
Elandsfontein	South Africa	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low minimum temperature	0.2 C (32.4 F)	29 of 100 (Routine)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	25.7 mm (1.0 in)	28 of 100 (Routine)
Centralia	United States	Record high maximum temperature	35.6 C (96.1 F)	28 of 100 (Routine)
Dubuque River	United States	Record daily precipitation	53.1 mm (2.1 in)	28 of 100 (Routine)
Gondwara(Kohra)	India	Record daily precipitation	92.5 mm (3.6 in)	27 of 100 (Routine)
Shillong	India	Record daily precipitation	59.2 mm (2.3 in)	27 of 100 (Routine)
Portland Rfc City	United States	Record high maximum temperature	35.0 C (95.0 F)	27 of 100 (Routine)
Dewan	India	Record daily precipitation	91.2 mm (3.6 in)	26 of 100 (Routine)
Pusad	India	Record daily precipitation	66.8 mm (2.6 in)	26 of 100 (Routine)
Manitowoc	United States	Record daily precipitation	46.0 mm (1.8 in)	26 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record low minimum temperature	3.8 C (38.8 F)	25 of 100 (Routine)
Kinston 7 SE	United States	Record daily precipitation	87.6 mm (3.4 in)	25 of 100 (Routine)
Hood Rvr Exp STN	United States	Record high maximum temperature	36.7 C (98.1 F)	25 of 100 (Routine)
Galway	Ireland	Record high minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Purnea	India	Record daily precipitation	106.9 mm (4.2 in)	24 of 100 (Routine)
Jowai	India	Record daily precipitation	218.4 mm (8.6 in)	24 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record low minimum temperature	-2.6 C (27.3 F)	24 of 100 (Routine)
Watertown Wwtp	United States	Record daily precipitation	53.6 mm (2.1 in)	24 of 100 (Routine)
Baltimore Customs House	United States	Record low maximum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Hvar	Croatia	Record low minimum temperature	12.4 C (54.3 F)	23 of 100 (Routine)
Barduar	India	Record daily precipitation	59.7 mm (2.4 in)	23 of 100 (Routine)
Sakri	India	Record daily precipitation	38.6 mm (1.5 in)	23 of 100 (Routine)
Zametchino	Russia	Record high minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Gallivare_A	Sweden	Record low minimum temperature	-8.0 C (17.6 F)	23 of 100 (Routine)
Romney 1 SW	United States	Record daily precipitation	31.8 mm (1.3 in)	23 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low minimum temperature	-0.5 C (31.1 F)	22 of 100 (Routine)
Kasargod	India	Record daily precipitation	46.5 mm (1.8 in)	22 of 100 (Routine)
Khamgaon	India	Record daily precipitation	68.6 mm (2.7 in)	22 of 100 (Routine)
Priest Rvr Exp STN	United States	Record high maximum temperature	32.8 C (91.0 F)	22 of 100 (Routine)
Spokane Intl AP	United States	Record high maximum temperature	33.9 C (93.0 F)	22 of 100 (Routine)
Agassiz Cda	Canada	Record high maximum temperature	31.1 C (88.0 F)	21 of 100 (Routine)
Shegaon	India	Record daily precipitation	49.0 mm (1.9 in)	21 of 100 (Routine)
Bhadgaon	India	Record daily precipitation	36.1 mm (1.4 in)	21 of 100 (Routine)
Nandgaon	India	Record daily precipitation	59.9 mm (2.4 in)	21 of 100 (Routine)
Amethi	India	Record daily precipitation	65.3 mm (2.6 in)	21 of 100 (Routine)
Sviland	Norway	Record daily precipitation	52.0 mm (2.0 in)	21 of 100 (Routine)
Williamsport	United States	Record low maximum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high maximum temperature	30.0 C (86.0 F)	21 of 100 (Routine)
Reading Wb City	United States	Record low maximum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Port Arthur	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Zhizdra	Russia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Duiwelskloof (Mun)	South Africa	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Franklin	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Geilo	Norway	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Nebo	South Africa	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Rossland City Yard	Canada	Record high maximum temperature	31.1 C (88.0 F)	20 of 100 (Routine)
Gorlitz	Germany	Record low minimum temperature	3.4 C (38.1 F)	20 of 100 (Routine)
Margherita	India	Record daily precipitation	86.9 mm (3.4 in)	20 of 100 (Routine)
Pindron	India	Record daily precipitation	57.2 mm (2.3 in)	20 of 100 (Routine)
Hasanganj	India	Record daily precipitation	60.2 mm (2.4 in)	20 of 100 (Routine)

Counts by Type and Timescale

363 records

Records set or tied on 17 September 1938 by type: Highest daily maximum 95, Lowest daily maximum 76, Highest daily minimum 32, Lowest daily minimum 35, Heaviest daily rainfall 124, Deepest snow cover 1.

Records on 17 September 1938 by type
Record type	Records
Highest daily maximum	95
Lowest daily maximum	76
Highest daily minimum	32
Lowest daily minimum	35
Heaviest daily rainfall	124
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 17 September 1938 by timescale: all-time 1, monthly 5, daily 357.

How Much Records Were Beaten By

305 broken records

Margins by which the 305 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.0. Ties are not counted.

Top 20 by Significance

17 September 1938

Top 20 records on 17 September 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1938	Tot-Ma, RU	daily rain	38.7 mm (1.5 in)	28.2 mm (1.1 in)	38 years	56 of 100 (Notable)
17 September 1938	Burnett 3 S, US	daily rain	69.9 mm (2.8 in)	44.5 mm (1.8 in)	7 years	43 of 100 (Notable)
17 September 1938	New Westminster, CA	daily high max	31.1 C (88.0 F)	5.5 C (9.9 F)	62 years	38 of 100 (Notable)
17 September 1938	Badnera, IN	daily rain	103.4 mm (4.1 in)	50.3 mm (2.0 in)	29 years	37 of 100 (Notable)
17 September 1938	Mawphlang Obsy, IN	daily rain	114.3 mm (4.5 in)	65.0 mm (2.6 in)	32 years	37 of 100 (Notable)
17 September 1938	Edenton, US	daily rain	74.9 mm (2.9 in)	49.5 mm (1.9 in)	24 years	37 of 100 (Notable)
17 September 1938	Buldana, IN	daily rain	91.9 mm (3.6 in)	68.0 mm (2.7 in)	19 years	36 of 100 (Notable)
17 September 1938	Greenville, US	daily rain	100.1 mm (3.9 in)	53.6 mm (2.1 in)	13 years	36 of 100 (Notable)
17 September 1938	Balapur, IN	daily rain	81.8 mm (3.2 in)	52.6 mm (2.1 in)	29 years	35 of 100 (Notable)
17 September 1938	Elandsfontein, ZA	daily rain	29.0 mm (1.1 in)	23.9 mm (0.9 in)	28 years	32 of 100 (Routine)
17 September 1938	Munchen-Nymphenburg, DE	daily low min	0.2 C (32.4 F)	3.0 C (5.4 F)	48 years	29 of 100 (Routine)
17 September 1938	Pilgrims Rest (Pol), ZA	daily rain	25.7 mm (1.0 in)	24.7 mm (1.0 in)	24 years	28 of 100 (Routine)
17 September 1938	Centralia, US	daily high max	35.6 C (96.1 F)	6.7 C (12.1 F)	32 years	28 of 100 (Routine)
17 September 1938	Dubuque River, US	daily rain	53.1 mm (2.1 in)	28.7 mm (1.1 in)	11 years	28 of 100 (Routine)
17 September 1938	Gondwara(Kohra), IN	daily rain	92.5 mm (3.6 in)	59.7 mm (2.4 in)	13 years	27 of 100 (Routine)
17 September 1938	Shillong, IN	daily rain	59.2 mm (2.3 in)	28.2 mm (1.1 in)	28 years	27 of 100 (Routine)
17 September 1938	Portland Rfc City, US	daily high max	35.0 C (95.0 F)	3.3 C (5.9 F)	48 years	27 of 100 (Routine)
17 September 1938	Dewan, IN	daily rain	91.2 mm (3.6 in)	31.0 mm (1.2 in)	31 years	26 of 100 (Routine)
17 September 1938	Pusad, IN	daily rain	66.8 mm (2.6 in)	43.7 mm (1.7 in)	9 years	26 of 100 (Routine)
17 September 1938	Manitowoc, US	daily rain	46.0 mm (1.8 in)	19.8 mm (0.8 in)	28 years	26 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 1938

Records set or tied on this calendar date in each year from 1796 to 1938. 1938 had 363 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 1938-09-17: 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	249
10 to 20	23
20 to 30	17
30 to 40	4
40 to 50	6
50 to 60	4
60 to 70	2