Weather Records on 15 September 1938

247 weather records were set or tied worldwide on 15 September 1938. Highest significance: Tshakhuma, ZA.

Key Facts for 15 September 1938

On 15 September 1938, 247 weather records were set or tied at long-record stations worldwide.
127 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 238 daily.
Tshakhuma set a monthly record daily precipitation of 82.6 mm (3.3 in) on 15 September 1938.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 414 records.

Record Map

247 stations

247 station records on 15 September 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tshakhuma	South Africa	Record daily precipitation	82.6 mm (3.3 in)	62 of 100 (Major)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	68.6 mm (2.7 in)	45 of 100 (Notable)
Bombay (Colaba) Obsy Sr	India	Record daily precipitation	181.1 mm (7.1 in)	42 of 100 (Notable)
Nellore	India	Record daily precipitation	89.4 mm (3.5 in)	39 of 100 (Notable)
Kriel (Pol)	South Africa	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Mbabane	Swaziland	Record daily precipitation	68.3 mm (2.7 in)	37 of 100 (Notable)
Dantan	India	Record daily precipitation	87.9 mm (3.5 in)	36 of 100 (Notable)
Aloograda	India	Record daily precipitation	97.0 mm (3.8 in)	35 of 100 (Notable)
Alkmaar	South Africa	Record daily precipitation	49.5 mm (1.9 in)	35 of 100 (Notable)
Ridgway	United States	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Saint John	Canada	Record daily precipitation	77.7 mm (3.1 in)	34 of 100 (Routine)
Narsaraopet	India	Record daily precipitation	53.8 mm (2.1 in)	32 of 100 (Routine)
Paravur	India	Record daily precipitation	61.0 mm (2.4 in)	31 of 100 (Routine)
Aijal	India	Record daily precipitation	74.2 mm (2.9 in)	31 of 100 (Routine)
Babuskin	Russia	Record daily precipitation	25.9 mm (1.0 in)	28 of 100 (Routine)
Maysville Wwtp	United States	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Macharla	India	Record daily precipitation	89.9 mm (3.5 in)	26 of 100 (Routine)
Greenfield Ctr	United States	Record daily precipitation	41.9 mm (1.6 in)	26 of 100 (Routine)
Charleston 1	United States	Record daily precipitation	44.7 mm (1.8 in)	26 of 100 (Routine)
Bemetara	India	Record daily precipitation	66.8 mm (2.6 in)	25 of 100 (Routine)
Wasco	United States	Record high minimum temperature	26.1 C (79.0 F)	25 of 100 (Routine)
Pithapuram	India	Record daily precipitation	62.0 mm (2.4 in)	23 of 100 (Routine)
Devrukh	India	Record daily precipitation	145.0 mm (5.7 in)	23 of 100 (Routine)
Gloversville	United States	Record daily precipitation	29.2 mm (1.1 in)	23 of 100 (Routine)
Salzburg	Austria	Record daily precipitation	36.0 mm (1.4 in)	22 of 100 (Routine)
Banff	Canada	Record high maximum temperature	28.3 C (82.9 F)	22 of 100 (Routine)
Atmakur	India	Record daily precipitation	58.4 mm (2.3 in)	22 of 100 (Routine)
Sriperumbudur	India	Record daily precipitation	56.9 mm (2.2 in)	22 of 100 (Routine)
Kennewick	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
University Exp STN	United States	Record high minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Haenertsburg (Pol)	South Africa	Record daily precipitation	26.2 mm (1.0 in)	21 of 100 (Routine)
Storlien	Sweden	Record low maximum temperature	1.4 C (34.5 F)	21 of 100 (Routine)
Bridgeport 5 NW	United States	Record daily precipitation	26.9 mm (1.1 in)	21 of 100 (Routine)
Klamath Falls 2 SSW	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Vilnius	Lithuania	Record daily precipitation	24.2 mm (1.0 in)	20 of 100 (Routine)
Khibiny	Russia	Record daily precipitation	24.8 mm (1.0 in)	20 of 100 (Routine)
Vardoe	Norway	Record daily precipitation	24.0 mm (0.9 in)	20 of 100 (Routine)
Aztec Ruins Nm	United States	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Decatur	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Isakapally	India	Record daily precipitation	71.4 mm (2.8 in)	20 of 100 (Routine)
Khed	India	Record daily precipitation	33.0 mm (1.3 in)	20 of 100 (Routine)
Ratnagiri	India	Record daily precipitation	236.7 mm (9.3 in)	20 of 100 (Routine)
Madison	United States	Record low maximum temperature	23.9 C (75.0 F)	20 of 100 (Routine)
Fall River	United States	Record daily precipitation	28.7 mm (1.1 in)	20 of 100 (Routine)
Elizabethton	United States	Record daily precipitation	25.9 mm (1.0 in)	20 of 100 (Routine)
Hambantota	Sri Lanka	Record high maximum temperature	34.5 C (94.1 F)	19 of 100 (Routine)
Rapur	India	Record daily precipitation	41.1 mm (1.6 in)	19 of 100 (Routine)
Thiruvananthapuram	India	Record daily precipitation	20.8 mm (0.8 in)	19 of 100 (Routine)
Mahabalipuram Obsy	India	Record daily precipitation	49.5 mm (1.9 in)	19 of 100 (Routine)
Devala	India	Record daily precipitation	108.2 mm (4.3 in)	19 of 100 (Routine)
Hornindal	Norway	Record snow depth	3.0 cm (1.2 in)	19 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record high minimum temperature	9.6 C (49.3 F)	19 of 100 (Routine)
Dale Enterprise	United States	Record high minimum temperature	20.0 C (68.0 F)	19 of 100 (Routine)
Kukicherra	India	Record daily precipitation	59.7 mm (2.4 in)	18 of 100 (Routine)
Nedumangad	India	Record daily precipitation	30.5 mm (1.2 in)	18 of 100 (Routine)
Malkangiri	India	Record daily precipitation	67.8 mm (2.7 in)	18 of 100 (Routine)
Salekhard	Russia	Record high minimum temperature	11.5 C (52.7 F)	18 of 100 (Routine)
Sibasa	South Africa	Record daily precipitation	19.3 mm (0.8 in)	18 of 100 (Routine)
Zuerich/Fluntern	Switzerland	Record daily precipitation	26.4 mm (1.0 in)	18 of 100 (Routine)
Melville	United States	Record daily precipitation	23.4 mm (0.9 in)	18 of 100 (Routine)

Counts by Type and Timescale

247 records

Records set or tied on 15 September 1938 by type: Highest daily maximum 57, Lowest daily maximum 14, Highest daily minimum 70, Lowest daily minimum 11, Heaviest daily rainfall 92, Deepest snow cover 3.

Records on 15 September 1938 by type
Record type	Records
Highest daily maximum	57
Lowest daily maximum	14
Highest daily minimum	70
Lowest daily minimum	11
Heaviest daily rainfall	92
Heaviest daily snowfall	0
Deepest snow cover	3

Records on 15 September 1938 by timescale: all-time 1, monthly 8, daily 238.

How Much Records Were Beaten By

188 broken records

Margins by which the 188 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 86.1. Ties are not counted.

Top 20 by Significance

15 September 1938

Top 20 records on 15 September 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1938	Tshakhuma, ZA	monthly rain	82.6 mm (3.3 in)	35.4 mm (1.4 in)	30 years	62 of 100 (Major)
15 September 1938	Pilgrims Rest (Pol), ZA	daily rain	68.6 mm (2.7 in)	55.9 mm (2.2 in)	8 years	45 of 100 (Notable)
15 September 1938	Bombay (Colaba) Obsy Sr, IN	daily rain	181.1 mm (7.1 in)	86.1 mm (3.4 in)	12 years	42 of 100 (Notable)
15 September 1938	Nellore, IN	daily rain	89.4 mm (3.5 in)	57.9 mm (2.3 in)	20 years	39 of 100 (Notable)
15 September 1938	Kriel (Pol), ZA	daily rain	35.6 mm (1.4 in)	33.1 mm (1.3 in)	11 years	38 of 100 (Notable)
15 September 1938	Mbabane, SZ	monthly rain	68.3 mm (2.7 in)	18.3 mm (0.7 in)	12 years	37 of 100 (Notable)
15 September 1938	Dantan, IN	daily rain	87.9 mm (3.5 in)	44.7 mm (1.8 in)	36 years	36 of 100 (Notable)
15 September 1938	Aloograda, IN	daily rain	97.0 mm (3.8 in)	57.9 mm (2.3 in)	9 years	35 of 100 (Notable)
15 September 1938	Alkmaar, ZA	monthly rain	49.5 mm (1.9 in)	10.4 mm (0.4 in)	31 years	35 of 100 (Notable)
15 September 1938	Ridgway, US	daily rain	45.2 mm (1.8 in)	32.5 mm (1.3 in)	4 years	35 of 100 (Notable)
15 September 1938	Saint John, CA	monthly rain	77.7 mm (3.1 in)	6.3 mm (0.25 in)	43 years	34 of 100 (Routine)
15 September 1938	Narsaraopet, IN	daily rain	53.8 mm (2.1 in)	34.7 mm (1.4 in)	7 years	32 of 100 (Routine)
15 September 1938	Paravur, IN	daily rain	61.0 mm (2.4 in)	47.0 mm (1.9 in)	4 years	31 of 100 (Routine)
15 September 1938	Aijal, IN	daily rain	74.2 mm (2.9 in)	30.5 mm (1.2 in)	35 years	31 of 100 (Routine)
15 September 1938	Babuskin, RU	daily rain	25.9 mm (1.0 in)	16.3 mm (0.6 in)	16 years	28 of 100 (Routine)
15 September 1938	Maysville Wwtp, US	daily rain	32.0 mm (1.3 in)	15.7 mm (0.6 in)	27 years	27 of 100 (Routine)
15 September 1938	Macharla, IN	monthly rain	89.9 mm (3.5 in)	3.5 mm (0.14 in)	36 years	26 of 100 (Routine)
15 September 1938	Greenfield Ctr, US	daily rain	41.9 mm (1.6 in)	15.2 mm (0.6 in)	33 years	26 of 100 (Routine)
15 September 1938	Charleston 1, US	daily rain	44.7 mm (1.8 in)	16.3 mm (0.6 in)	21 years	26 of 100 (Routine)
15 September 1938	Bemetara, IN	daily rain	66.8 mm (2.6 in)	44.4 mm (1.7 in)	3 years	25 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 1938

Records set or tied on this calendar date in each year from 1797 to 1938. 1938 had 247 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 1938-09-15: 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	166
20 to 40	14
40 to 60	7
60 to 80	0
80 to 100	1