Weather Records on 6 September 1938

322 weather records were set or tied worldwide on 6 September 1938. Highest significance: Postville, US.

Key Facts for 6 September 1938

On 6 September 1938, 322 weather records were set or tied at long-record stations worldwide.
69 were record highs and 109 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 307 daily.
Postville set a daily record precipitation of 78.0 mm (3.1 in) on 6 September 1938.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 452 records.

Record Map

322 stations

322 station records on 6 September 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 September 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Postville	United States	Record daily precipitation	78.0 mm (3.1 in)	57 of 100 (Notable)
Waupaca	United States	Record daily precipitation	79.0 mm (3.1 in)	55 of 100 (Notable)
Onawa 3NW	United States	Record daily precipitation	132.1 mm (5.2 in)	53 of 100 (Notable)
Mudukulathur	India	Record daily precipitation	79.0 mm (3.1 in)	51 of 100 (Notable)
Tanda	India	Record daily precipitation	172.7 mm (6.8 in)	47 of 100 (Notable)
Estherville 4E	United States	Record daily precipitation	110.5 mm (4.4 in)	47 of 100 (Notable)
Ft Dodge 5NNW	United States	Record daily precipitation	83.8 mm (3.3 in)	47 of 100 (Notable)
Humboldt 3 W	United States	Record daily precipitation	64.8 mm (2.6 in)	47 of 100 (Notable)
Webster City	United States	Record daily precipitation	70.4 mm (2.8 in)	46 of 100 (Notable)
Carroll	United States	Record daily precipitation	101.6 mm (4.0 in)	44 of 100 (Notable)
Beardsley	United States	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Bahraich	India	Record daily precipitation	144.8 mm (5.7 in)	41 of 100 (Notable)
Campbell	United States	Record daily precipitation	80.5 mm (3.2 in)	40 of 100 (Notable)
Orillia	Canada	Record daily precipitation	37.6 mm (1.5 in)	39 of 100 (Notable)
Tekamah	United States	Record daily precipitation	96.8 mm (3.8 in)	39 of 100 (Notable)
Mason City	United States	Record daily precipitation	58.2 mm (2.3 in)	38 of 100 (Notable)
Arnsberg	Germany	Record daily precipitation	32.8 mm (1.3 in)	36 of 100 (Notable)
Denison	United States	Record daily precipitation	63.0 mm (2.5 in)	36 of 100 (Notable)
Haraiya	India	Record daily precipitation	271.8 mm (10.7 in)	35 of 100 (Notable)
Domeriaganj Sr	India	Record daily precipitation	189.2 mm (7.4 in)	34 of 100 (Routine)
Alta	United States	Record daily precipitation	95.0 mm (3.7 in)	34 of 100 (Routine)
Gage	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Elkader 6 SSW	United States	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Harlan	United States	Record daily precipitation	59.7 mm (2.4 in)	32 of 100 (Routine)
Altastenberg	Germany	Record daily precipitation	32.2 mm (1.3 in)	31 of 100 (Routine)
Bansi	India	Record daily precipitation	218.7 mm (8.6 in)	31 of 100 (Routine)
St. Petersburg	Russia	Record high minimum temperature	17.5 C (63.5 F)	31 of 100 (Routine)
Fayette	United States	Record daily precipitation	54.6 mm (2.1 in)	31 of 100 (Routine)
Osage	United States	Record daily precipitation	45.2 mm (1.8 in)	31 of 100 (Routine)
Quatsino	Canada	Record daily precipitation	37.1 mm (1.5 in)	30 of 100 (Routine)
Mount Forest	Canada	Record daily precipitation	25.7 mm (1.0 in)	30 of 100 (Routine)
Mohania(Mahania)	India	Record daily precipitation	146.6 mm (5.8 in)	30 of 100 (Routine)
New Hampton	United States	Record daily precipitation	57.7 mm (2.3 in)	30 of 100 (Routine)
Neillsville 3ESE	United States	Record daily precipitation	48.3 mm (1.9 in)	30 of 100 (Routine)
Sac City	United States	Record daily precipitation	49.5 mm (1.9 in)	29 of 100 (Routine)
West Bend	United States	Record daily precipitation	45.2 mm (1.8 in)	29 of 100 (Routine)
Mahul Pnulpur	India	Record daily precipitation	129.5 mm (5.1 in)	27 of 100 (Routine)
Petropavlovskij Majak	Russia	Record daily precipitation	32.8 mm (1.3 in)	27 of 100 (Routine)
Petropavlovsk-Kamchatskij	Russia	Record daily precipitation	32.8 mm (1.3 in)	27 of 100 (Routine)
Ashland #2	United States	Record daily precipitation	64.5 mm (2.5 in)	27 of 100 (Routine)
Coldwater	Canada	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Rasra	India	Record daily precipitation	124.0 mm (4.9 in)	26 of 100 (Routine)
Jalalpur	India	Record daily precipitation	116.8 mm (4.6 in)	26 of 100 (Routine)
Iowa Falls	United States	Record daily precipitation	46.2 mm (1.8 in)	26 of 100 (Routine)
Flandreau	United States	Record daily precipitation	30.0 mm (1.2 in)	25 of 100 (Routine)
Madison Wb City	United States	Record daily precipitation	57.9 mm (2.3 in)	24 of 100 (Routine)
Brockville	Canada	Record low minimum temperature	2.2 C (36.0 F)	23 of 100 (Routine)
Maharajganj	India	Record daily precipitation	95.3 mm (3.8 in)	23 of 100 (Routine)
Kalyanganj	India	Record daily precipitation	76.7 mm (3.0 in)	23 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record high minimum temperature	17.6 C (63.7 F)	23 of 100 (Routine)
Algona	United States	Record daily precipitation	53.3 mm (2.1 in)	23 of 100 (Routine)
Waverly	United States	Record daily precipitation	33.5 mm (1.3 in)	23 of 100 (Routine)
Bosque del Apache	United States	Record low maximum temperature	23.3 C (73.9 F)	23 of 100 (Routine)
New London	United States	Record daily precipitation	34.5 mm (1.4 in)	23 of 100 (Routine)
Pine River 3 NE	United States	Record daily precipitation	34.5 mm (1.4 in)	23 of 100 (Routine)
Beatrice	Canada	Record low minimum temperature	-1.7 C (28.9 F)	22 of 100 (Routine)
Brantford	Canada	Record low minimum temperature	2.8 C (37.0 F)	22 of 100 (Routine)
Tartu	Estonia	Record high minimum temperature	15.1 C (59.2 F)	22 of 100 (Routine)
Zagreb-Gric	Croatia	Record low maximum temperature	14.1 C (57.4 F)	22 of 100 (Routine)
Barpukhuri	India	Record daily precipitation	70.6 mm (2.8 in)	22 of 100 (Routine)

Counts by Type and Timescale

322 records

Records set or tied on 6 September 1938 by type: Highest daily maximum 21, Lowest daily maximum 33, Highest daily minimum 48, Lowest daily minimum 76, Heaviest daily rainfall 144.

Records on 6 September 1938 by type
Record type	Records
Highest daily maximum	21
Lowest daily maximum	33
Highest daily minimum	48
Lowest daily minimum	76
Heaviest daily rainfall	144
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 September 1938 by timescale: all-time 1, monthly 14, daily 307.

How Much Records Were Beaten By

260 broken records

Margins by which the 260 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 111.7. Ties are not counted.

Top 20 by Significance

6 September 1938

Top 20 records on 6 September 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 September 1938	Postville, US	daily rain	78.0 mm (3.1 in)	58.2 mm (2.3 in)	43 years	57 of 100 (Notable)
6 September 1938	Waupaca, US	daily rain	79.0 mm (3.1 in)	48.5 mm (1.9 in)	38 years	55 of 100 (Notable)
6 September 1938	Onawa 3NW, US	daily rain	132.1 mm (5.2 in)	107.2 mm (4.2 in)	32 years	53 of 100 (Notable)
6 September 1938	Mudukulathur, IN	daily rain	79.0 mm (3.1 in)	67.1 mm (2.6 in)	29 years	51 of 100 (Notable)
6 September 1938	Tanda, IN	daily rain	172.7 mm (6.8 in)	111.7 mm (4.4 in)	13 years	47 of 100 (Notable)
6 September 1938	Estherville 4E, US	daily rain	110.5 mm (4.4 in)	84.3 mm (3.3 in)	12 years	47 of 100 (Notable)
6 September 1938	Ft Dodge 5NNW, US	daily rain	83.8 mm (3.3 in)	68.6 mm (2.7 in)	25 years	47 of 100 (Notable)
6 September 1938	Humboldt 3 W, US	daily rain	64.8 mm (2.6 in)	47.5 mm (1.9 in)	35 years	47 of 100 (Notable)
6 September 1938	Webster City, US	daily rain	70.4 mm (2.8 in)	57.7 mm (2.3 in)	27 years	46 of 100 (Notable)
6 September 1938	Carroll, US	daily rain	101.6 mm (4.0 in)	47.0 mm (1.9 in)	43 years	44 of 100 (Notable)
6 September 1938	Beardsley, US	daily rain	52.1 mm (2.1 in)	42.7 mm (1.7 in)	3 years	44 of 100 (Notable)
6 September 1938	Bahraich, IN	daily rain	144.8 mm (5.7 in)	87.4 mm (3.4 in)	36 years	41 of 100 (Notable)
6 September 1938	Campbell, US	monthly rain	80.5 mm (3.2 in)	18.3 mm (0.7 in)	23 years	40 of 100 (Notable)
6 September 1938	Orillia, CA	daily rain	37.6 mm (1.5 in)	25.9 mm (1.0 in)	12 years	39 of 100 (Notable)
6 September 1938	Tekamah, US	monthly rain	96.8 mm (3.8 in)	26.9 mm (1.1 in)	12 years	39 of 100 (Notable)
6 September 1938	Mason City, US	daily rain	58.2 mm (2.3 in)	41.2 mm (1.6 in)	11 years	38 of 100 (Notable)
6 September 1938	Arnsberg, DE	daily rain	32.8 mm (1.3 in)	11.3 mm (0.4 in)	41 years	36 of 100 (Notable)
6 September 1938	Denison, US	daily rain	63.0 mm (2.5 in)	37.6 mm (1.5 in)	11 years	36 of 100 (Notable)
6 September 1938	Haraiya, IN	all-time rain	271.8 mm (10.7 in)	8.4 mm (0.33 in)	34 years	35 of 100 (Notable)
6 September 1938	Domeriaganj Sr, IN	daily rain	189.2 mm (7.4 in)	105.4 mm (4.1 in)	19 years	34 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

1794 to 1938

Records set or tied on this calendar date in each year from 1794 to 1938. 1938 had 322 records.

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

Records on 09-06 in each year
Year	Records
1794	1
1802	1
1803	1
1812	1
1814	2
1833	1
1834	1
1841	1
1853	1
1854	1
1861	1
1865	2
1866	2
1867	1
1868	1
1869	2
1871	2
1872	2
1873	2
1876	1
1877	1
1880	1
1881	3
1883	2
1884	1
1885	1
1887	2
1888	1
1890	3
1891	1
1892	4
1893	2
1894	4
1895	4
1896	2
1897	4
1898	5
1899	5
1900	5
1901	2
1902	5
1903	5
1904	6
1905	14
1906	8
1907	14
1908	36
1909	13
1910	28
1911	20
1912	55
1913	21
1914	23
1915	14
1916	16
1917	23
1918	62
1919	106
1920	172
1921	67
1922	114
1923	153
1924	335
1925	290
1926	123
1927	137
1928	252
1929	359
1930	101
1931	324
1932	275
1933	368
1934	462
1935	341
1936	338
1937	237
1938	322
1939	447
1940	170
1941	276
1942	284
1943	831
1944	392
1945	537
1946	426
1947	895
1948	379
1949	525
1950	699
1951	263
1952	350
1953	396
1954	567
1955	493
1956	735
1957	311
1958	489
1959	405
1960	382
1961	317
1962	772
1963	419
1964	393
1965	722
1966	296
1967	878
1968	512
1969	737
1970	910
1971	436
1972	567
1973	866
1974	897
1975	426
1976	915
1977	467
1978	1,273
1979	892
1980	458
1981	542
1982	744
1983	1,965
1984	1,354
1985	1,371
1986	751
1987	735
1988	1,547
1989	544
1990	805
1991	757
1992	1,084
1993	856
1994	622
1995	1,220
1996	934
1997	1,389
1998	1,385
1999	1,048
2000	1,500
2001	631
2002	867
2003	718
2004	956
2005	601
2006	1,104
2007	1,246
2008	1,430
2009	735
2010	1,259
2011	1,684
2012	803
2013	886
2014	588
2015	692
2016	605
2017	838
2018	714
2019	797
2020	1,349
2021	407
2022	1,782
2023	905
2024	1,161
2025	894
2026	846

Download the Data

Data for records on 1938-09-06: 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	214
20 to 40	28
40 to 60	11
60 to 80	2
80 to 100	2
100 to 120	3