Weather Records on 27 September 1938

366 weather records were set or tied worldwide on 27 September 1938. Highest significance: Nanambinia, AU.

Key Facts for 27 September 1938

On 27 September 1938, 366 weather records were set or tied at long-record stations worldwide.
274 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 363 daily.
Nanambinia set a monthly record daily precipitation of 35.8 mm (1.4 in) on 27 September 1938.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 451 records.

Record Map

366 stations

366 station records on 27 September 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nanambinia	Australia	Record daily precipitation	35.8 mm (1.4 in)	50 of 100 (Notable)
Cambridge Niab	United Kingdom	Record daily precipitation	34.2 mm (1.3 in)	48 of 100 (Notable)
New Smyrna Beach	United States	Record daily precipitation	158.5 mm (6.2 in)	37 of 100 (Notable)
Lihue 1020	United States	Record high maximum temperature	32.2 C (90.0 F)	34 of 100 (Routine)
Gospic	Croatia	Record daily precipitation	76.3 mm (3.0 in)	33 of 100 (Routine)
Dayville	United States	Record high minimum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Sonamukhi	India	Record daily precipitation	47.5 mm (1.9 in)	27 of 100 (Routine)
Ammathy	India	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)
Orebro	Sweden	Record high maximum temperature	20.8 C (69.4 F)	26 of 100 (Routine)
Pitea	Sweden	Record high minimum temperature	10.5 C (50.9 F)	25 of 100 (Routine)
Farmington	United States	Record high maximum temperature	31.7 C (89.1 F)	25 of 100 (Routine)
Karlstad	Sweden	Record high maximum temperature	19.8 C (67.6 F)	24 of 100 (Routine)
Sierra Madre Henszey	United States	Record high minimum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Americus	United States	Record daily precipitation	35.6 mm (1.4 in)	24 of 100 (Routine)
Jonkoping	Sweden	Record high maximum temperature	22.0 C (71.6 F)	23 of 100 (Routine)
Sveg	Sweden	Record high maximum temperature	20.5 C (68.9 F)	23 of 100 (Routine)
Pitea	Sweden	Record high maximum temperature	17.5 C (63.5 F)	22 of 100 (Routine)
Corning	United States	Record high maximum temperature	37.8 C (100.0 F)	22 of 100 (Routine)
Gravette	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Ozark	United States	Record high maximum temperature	38.3 C (100.9 F)	22 of 100 (Routine)
Poplar Bluff	United States	Record high maximum temperature	37.2 C (99.0 F)	22 of 100 (Routine)
Husum	Germany	Record high maximum temperature	23.0 C (73.4 F)	21 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high minimum temperature	10.4 C (50.7 F)	21 of 100 (Routine)
Subiaco	United States	Record high maximum temperature	38.3 C (100.9 F)	21 of 100 (Routine)
Susanville 2SW	United States	Record high minimum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Sikeston	United States	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Ganca	Azerbaijan	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Fallon Exp STN	United States	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Gumri	Armenia	Record daily precipitation	22.2 mm (0.9 in)	20 of 100 (Routine)
Paso Robles	United States	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Chico UNIV Farm	United States	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Redding Fire STN 2	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Healdsburg	United States	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Tiger Creek Ph	United States	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Ukiah	United States	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Vacaville	United States	Record daily precipitation	6.9 mm (0.27 in)	20 of 100 (Routine)
Yerevan	Armenia	Record daily precipitation	11.0 mm (0.4 in)	20 of 100 (Routine)
Ft Ross	United States	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Los Alamos	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Sacramento 5 ESE	United States	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Grass Patch	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Tbilisi	Georgia	Record low maximum temperature	16.4 C (61.5 F)	20 of 100 (Routine)
Lubeck-Werft	Germany	Record high maximum temperature	23.9 C (75.0 F)	20 of 100 (Routine)
Harnosand	Sweden	Record high maximum temperature	20.0 C (68.0 F)	20 of 100 (Routine)
Gavle	Sweden	Record high maximum temperature	20.5 C (68.9 F)	20 of 100 (Routine)
Umea	Sweden	Record high maximum temperature	18.0 C (64.4 F)	20 of 100 (Routine)
Jokkmokk	Sweden	Record high minimum temperature	8.0 C (46.4 F)	20 of 100 (Routine)
Merced	United States	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Santa Rosa	United States	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record low maximum temperature	26.1 C (79.0 F)	20 of 100 (Routine)
Waren	Germany	Record high maximum temperature	24.0 C (75.2 F)	19 of 100 (Routine)
Teriberka	Russia	Record high minimum temperature	10.6 C (51.1 F)	19 of 100 (Routine)
Eureka Springs 3 WNW	United States	Record high maximum temperature	35.6 C (96.1 F)	19 of 100 (Routine)
Pocahontas 1	United States	Record high maximum temperature	37.2 C (99.0 F)	19 of 100 (Routine)
Berkeley	United States	Record high minimum temperature	15.0 C (59.0 F)	19 of 100 (Routine)
Berkeley	United States	Record daily precipitation	2.3 mm (0.09 in)	19 of 100 (Routine)
De Sabla	United States	Record daily precipitation	14.0 mm (0.6 in)	19 of 100 (Routine)
Hollister 1 SW	United States	Record high minimum temperature	14.4 C (57.9 F)	19 of 100 (Routine)
Mariposa	United States	Record daily precipitation	2.0 mm (0.08 in)	19 of 100 (Routine)
Napa State Hospital	United States	Record daily precipitation	2.8 mm (0.11 in)	19 of 100 (Routine)

Counts by Type and Timescale

366 records

Records set or tied on 27 September 1938 by type: Highest daily maximum 188, Lowest daily maximum 13, Highest daily minimum 86, Lowest daily minimum 3, Heaviest daily rainfall 76.

Records on 27 September 1938 by type
Record type	Records
Highest daily maximum	188
Lowest daily maximum	13
Highest daily minimum	86
Lowest daily minimum	3
Heaviest daily rainfall	76
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 September 1938 by timescale: all-time 0, monthly 3, daily 363.

How Much Records Were Beaten By

281 broken records

Margins by which the 281 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.8. Ties are not counted.

Top 20 by Significance

27 September 1938

Top 20 records on 27 September 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1938	Nanambinia, AU	monthly rain	35.8 mm (1.4 in)	11.9 mm (0.5 in)	16 years	50 of 100 (Notable)
27 September 1938	Cambridge Niab, GB	daily rain	34.2 mm (1.3 in)	28.4 mm (1.1 in)	16 years	48 of 100 (Notable)
27 September 1938	New Smyrna Beach, US	daily rain	158.5 mm (6.2 in)	51.8 mm (2.0 in)	44 years	37 of 100 (Notable)
27 September 1938	Lihue 1020, US	daily high max	32.2 C (90.0 F)	2.2 C (4.0 F)	32 years	34 of 100 (Routine)
27 September 1938	Gospic, HR	daily rain	76.3 mm (3.0 in)	20.0 mm (0.8 in)	56 years	33 of 100 (Routine)
27 September 1938	Dayville, US	daily high min	18.3 C (64.9 F)	5.5 C (9.9 F)	40 years	29 of 100 (Routine)
27 September 1938	Sonamukhi, IN	daily rain	47.5 mm (1.9 in)	31.2 mm (1.2 in)	29 years	27 of 100 (Routine)
27 September 1938	Ammathy, IN	daily rain	50.8 mm (2.0 in)	24.9 mm (1.0 in)	13 years	26 of 100 (Routine)
27 September 1938	Orebro, SE	daily high max	20.8 C (69.4 F)	2.8 C (5.0 F)	42 years	26 of 100 (Routine)
27 September 1938	Pitea, SE	daily high min	10.5 C (50.9 F)	1.5 C (2.7 F)	53 years	25 of 100 (Routine)
27 September 1938	Farmington, US	daily high max	31.7 C (89.1 F)	3.9 C (7.0 F)	44 years	25 of 100 (Routine)
27 September 1938	Karlstad, SE	daily high max	19.8 C (67.6 F)	2.8 C (5.0 F)	36 years	24 of 100 (Routine)
27 September 1938	Sierra Madre Henszey, US	daily high min	21.1 C (70.0 F)	2.8 C (5.0 F)	39 years	24 of 100 (Routine)
27 September 1938	Americus, US	daily rain	35.6 mm (1.4 in)	20.4 mm (0.8 in)	29 years	24 of 100 (Routine)
27 September 1938	Jonkoping, SE	daily high max	22.0 C (71.6 F)	2.0 C (3.6 F)	42 years	23 of 100 (Routine)
27 September 1938	Sveg, SE	daily high max	20.5 C (68.9 F)	2.5 C (4.5 F)	42 years	23 of 100 (Routine)
27 September 1938	Pitea, SE	daily high max	17.5 C (63.5 F)	1.5 C (2.7 F)	45 years	22 of 100 (Routine)
27 September 1938	Corning, US	daily high max	37.8 C (100.0 F)	2.8 C (5.0 F)	40 years	22 of 100 (Routine)
27 September 1938	Gravette, US	daily high max	35.6 C (96.1 F)	3.9 C (7.0 F)	33 years	22 of 100 (Routine)
27 September 1938	Ozark, US	daily high max	38.3 C (100.9 F)	2.7 C (4.9 F)	40 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

1799 to 1938

Records set or tied on this calendar date in each year from 1799 to 1938. 1938 had 366 records.

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

Records on 09-27 in each year
Year	Records
1799	1
1828	1
1836	2
1847	1
1851	1
1854	2
1855	2
1859	2
1866	2
1867	3
1874	1
1875	1
1877	2
1880	1
1881	4
1882	1
1885	5
1887	1
1890	3
1891	1
1892	1
1893	1
1894	5
1895	6
1896	1
1897	2
1898	4
1899	1
1900	5
1901	3
1902	12
1903	7
1904	12
1905	21
1906	21
1907	9
1908	36
1909	17
1910	20
1911	31
1912	25
1913	27
1914	24
1915	80
1916	57
1917	41
1918	58
1919	45
1920	54
1921	26
1922	111
1923	125
1924	115
1925	129
1926	581
1927	244
1928	288
1929	225
1930	178
1931	222
1932	194
1933	559
1934	298
1935	319
1936	435
1937	309
1938	366
1939	572
1940	706
1941	257
1942	1,353
1943	503
1944	323
1945	475
1946	387
1947	813
1948	405
1949	407
1950	223
1951	480
1952	539
1953	567
1954	507
1955	386
1956	825
1957	644
1958	585
1959	582
1960	337
1961	376
1962	352
1963	849
1964	724
1965	688
1966	426
1967	502
1968	286
1969	233
1970	773
1971	762
1972	989
1973	1,031
1974	408
1975	790
1976	905
1977	852
1978	773
1979	741
1980	559
1981	680
1982	1,076
1983	791
1984	1,297
1985	661
1986	1,772
1987	1,013
1988	494
1989	852
1990	379
1991	894
1992	659
1993	727
1994	764
1995	698
1996	1,468
1997	730
1998	1,774
1999	1,059
2000	1,031
2001	980
2002	992
2003	830
2004	665
2005	1,061
2006	596
2007	1,091
2008	659
2009	987
2010	1,153
2011	965
2012	624
2013	823
2014	813
2015	664
2016	600
2017	891
2018	600
2019	755
2020	659
2021	893
2022	642
2023	747
2024	1,449
2025	272
2026	358

Download the Data

Data for records on 1938-09-27: 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	266
10 to 20	7
20 to 30	6
30 to 40	1
40 to 50	0
50 to 60	1