Weather Records on 27 September 1925

129 weather records were set or tied worldwide on 27 September 1925. Highest significance: Kalmar_D, SE.

Key Facts for 27 September 1925

On 27 September 1925, 129 weather records were set or tied at long-record stations worldwide.
47 were record highs and 32 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 126 daily.
Kalmar_D set a daily record precipitation of 27.4 mm (1.1 in) on 27 September 1925.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 453 records.

Record Map

129 stations

129 station records on 27 September 1925 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kalmar_D	Sweden	Record daily precipitation	27.4 mm (1.1 in)	48 of 100 (Notable)
Johnsonville	United States	Record daily precipitation	74.2 mm (2.9 in)	48 of 100 (Notable)
Fort National	Algeria	Record daily precipitation	84.0 mm (3.3 in)	38 of 100 (Notable)
New Madrid	United States	Record daily precipitation	59.7 mm (2.4 in)	35 of 100 (Notable)
Millington 3 SE	United States	Record daily precipitation	39.1 mm (1.5 in)	31 of 100 (Routine)
Palestine	United States	Record daily precipitation	44.5 mm (1.8 in)	29 of 100 (Routine)
Medicine Hat A	Canada	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Altastenberg	Germany	Record daily precipitation	25.6 mm (1.0 in)	26 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record daily precipitation	32.5 mm (1.3 in)	22 of 100 (Routine)
Savannah 6 SW	United States	Record daily precipitation	90.7 mm (3.6 in)	22 of 100 (Routine)
Westminster	Canada	Record daily precipitation	31.8 mm (1.3 in)	21 of 100 (Routine)
Huntington	United States	Record daily precipitation	39.9 mm (1.6 in)	21 of 100 (Routine)
Ellensburg	United States	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Swift Current	Canada	Record daily snowfall	4.6 cm (1.8 in)	20 of 100 (Routine)
Spokane Intl AP	United States	Record low maximum temperature	7.2 C (45.0 F)	20 of 100 (Routine)
Qu'appelle	Canada	Record daily snowfall	1.5 cm (0.6 in)	19 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	22.4 mm (0.9 in)	19 of 100 (Routine)
Arnsberg	Germany	Record daily precipitation	17.3 mm (0.7 in)	19 of 100 (Routine)
Helena Wb City	United States	Record daily precipitation	14.5 mm (0.6 in)	18 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low minimum temperature	-0.6 C (30.9 F)	17 of 100 (Routine)
Edmonton	Canada	Record low minimum temperature	-6.1 C (21.0 F)	17 of 100 (Routine)
1 WSW Princeton	United States	Record daily precipitation	31.0 mm (1.2 in)	17 of 100 (Routine)
Moxee	United States	Record low maximum temperature	13.9 C (57.0 F)	17 of 100 (Routine)
Chattanooga Wb City	United States	Record high minimum temperature	20.6 C (69.1 F)	17 of 100 (Routine)
Hoburg	Sweden	Record daily precipitation	8.5 mm (0.33 in)	16 of 100 (Routine)
Bartow 1SE	United States	Record high minimum temperature	24.4 C (75.9 F)	16 of 100 (Routine)
Tizi Ouzou	Algeria	Record daily precipitation	32.5 mm (1.3 in)	15 of 100 (Routine)
Fort National	Algeria	Record low maximum temperature	15.0 C (59.0 F)	15 of 100 (Routine)
Orleansville (Chlef)	Algeria	Record daily precipitation	18.0 mm (0.7 in)	15 of 100 (Routine)
Swift Current	Canada	Record low maximum temperature	2.2 C (36.0 F)	15 of 100 (Routine)
Bamberg	Germany	Record low maximum temperature	10.8 C (51.4 F)	15 of 100 (Routine)
Tampa	United States	Record high minimum temperature	23.9 C (75.0 F)	15 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record low maximum temperature	20.0 C (68.0 F)	14 of 100 (Routine)
Tizi Ouzou	Algeria	Record low maximum temperature	19.0 C (66.2 F)	14 of 100 (Routine)
Ottawa Cda	Canada	Record daily precipitation	17.3 mm (0.7 in)	14 of 100 (Routine)
Wrixum/Fohr	Germany	Record low maximum temperature	12.3 C (54.1 F)	14 of 100 (Routine)
Maseskar	Sweden	Record daily precipitation	11.1 mm (0.4 in)	14 of 100 (Routine)
Union Springs 9 S	United States	Record high minimum temperature	23.9 C (75.0 F)	14 of 100 (Routine)
Paris Stp	United States	Record daily precipitation	41.9 mm (1.6 in)	14 of 100 (Routine)
Arcadia	United States	Record daily precipitation	38.1 mm (1.5 in)	14 of 100 (Routine)
Helena Wb City	United States	Record daily snowfall	1.0 cm (0.4 in)	14 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low maximum temperature	20.0 C (68.0 F)	13 of 100 (Routine)
Banff	Canada	Record daily snowfall	4.1 cm (1.6 in)	13 of 100 (Routine)
Waren	Germany	Record low maximum temperature	11.4 C (52.5 F)	13 of 100 (Routine)
Cambridge City 3 N	United States	Record high minimum temperature	17.8 C (64.0 F)	13 of 100 (Routine)
Yazoo City	United States	Record daily precipitation	14.0 mm (0.6 in)	13 of 100 (Routine)
Alexandria 4 WSW	United States	Record high minimum temperature	18.3 C (64.9 F)	13 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record low maximum temperature	18.0 C (64.4 F)	12 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	10.7 C (51.3 F)	12 of 100 (Routine)
Eufaula	United States	Record high minimum temperature	22.8 C (73.0 F)	12 of 100 (Routine)
Stuttgart	United States	Record high maximum temperature	36.7 C (98.1 F)	12 of 100 (Routine)
Kosciusko	United States	Record high minimum temperature	21.1 C (70.0 F)	12 of 100 (Routine)
Louisville	United States	Record high minimum temperature	21.1 C (70.0 F)	12 of 100 (Routine)
Butte Bert Mooney AP	United States	Record daily precipitation	11.4 mm (0.4 in)	12 of 100 (Routine)
Booligal (Ulonga)	Australia	Record daily precipitation	2.5 mm (0.10 in)	11 of 100 (Routine)
Frankfort Downtown	United States	Record high minimum temperature	20.6 C (69.1 F)	11 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record low maximum temperature	3.9 C (39.0 F)	11 of 100 (Routine)
Red Cloud	United States	Record daily precipitation	16.0 mm (0.6 in)	11 of 100 (Routine)
Southport 5 N	United States	Record high minimum temperature	24.4 C (75.9 F)	11 of 100 (Routine)
Millport 4 NE	United States	Record high minimum temperature	15.6 C (60.1 F)	11 of 100 (Routine)

Counts by Type and Timescale

129 records

Records set or tied on 27 September 1925 by type: Highest daily maximum 5, Lowest daily maximum 26, Highest daily minimum 42, Lowest daily minimum 6, Heaviest daily rainfall 44, Heaviest daily snowfall 6.

Records on 27 September 1925 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	26
Highest daily minimum	42
Lowest daily minimum	6
Heaviest daily rainfall	44
Heaviest daily snowfall	6
Deepest snow cover	0

Records on 27 September 1925 by timescale: all-time 0, monthly 3, daily 126.

How Much Records Were Beaten By

101 broken records

Margins by which the 101 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.0. Ties are not counted.

Top 20 by Significance

27 September 1925

Top 20 records on 27 September 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1925	Kalmar_D, SE	daily rain	27.4 mm (1.1 in)	12.5 mm (0.5 in)	65 years	48 of 100 (Notable)
27 September 1925	Johnsonville, US	daily rain	74.2 mm (2.9 in)	50.8 mm (2.0 in)	37 years	48 of 100 (Notable)
27 September 1925	Fort National, DZ	monthly rain	84.0 mm (3.3 in)	17.1 mm (0.7 in)	18 years	38 of 100 (Notable)
27 September 1925	New Madrid, US	daily rain	59.7 mm (2.4 in)	36.8 mm (1.4 in)	28 years	35 of 100 (Notable)
27 September 1925	Millington 3 SE, US	daily rain	39.1 mm (1.5 in)	20.0 mm (0.8 in)	28 years	31 of 100 (Routine)
27 September 1925	Palestine, US	daily rain	44.5 mm (1.8 in)	24.2 mm (1.0 in)	28 years	29 of 100 (Routine)
27 September 1925	Medicine Hat A, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	40 years	26 of 100 (Routine)
27 September 1925	Altastenberg, DE	daily rain	25.6 mm (1.0 in)	7.9 mm (0.31 in)	35 years	26 of 100 (Routine)
27 September 1925	Clausthal-Zellerfeld, DE	daily rain	32.5 mm (1.3 in)	9.4 mm (0.37 in)	31 years	22 of 100 (Routine)
27 September 1925	Savannah 6 SW, US	monthly rain	90.7 mm (3.6 in)	3.1 mm (0.12 in)	24 years	22 of 100 (Routine)
27 September 1925	Westminster, CA	daily rain	31.8 mm (1.3 in)	15.3 mm (0.6 in)	15 years	21 of 100 (Routine)
27 September 1925	Huntington, US	daily rain	39.9 mm (1.6 in)	18.1 mm (0.7 in)	4 years	21 of 100 (Routine)
27 September 1925	Ellensburg, US	daily rain	9.7 mm (0.38 in)	7.2 mm (0.28 in)	23 years	20 of 100 (Routine)
27 September 1925	Swift Current, CA	daily snowfall	4.6 cm (1.8 in)	4.6 cm (1.8 in)	38 years	20 of 100 (Routine)
27 September 1925	Spokane Intl AP, US	monthly low max	7.2 C (45.0 F)	1.1 C (2.0 F)	18 years	20 of 100 (Routine)
27 September 1925	Qu'appelle, CA	daily snowfall	1.5 cm (0.6 in)	1.5 cm (0.6 in)	41 years	19 of 100 (Routine)
27 September 1925	Ottawa, CA	daily rain	22.4 mm (0.9 in)	8.7 mm (0.34 in)	11 years	19 of 100 (Routine)
27 September 1925	Arnsberg, DE	daily rain	17.3 mm (0.7 in)	2.7 mm (0.11 in)	38 years	19 of 100 (Routine)
27 September 1925	Helena Wb City, US	daily rain	14.5 mm (0.6 in)	7.9 mm (0.31 in)	10 years	18 of 100 (Routine)
27 September 1925	Forbes (Camp Street), AU	daily low min	-0.6 C (30.9 F)	1.5 C (2.7 F)	28 years	17 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 1925

Records set or tied on this calendar date in each year from 1799 to 1925. 1925 had 129 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 1925-09-27: 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).

Histogram of margins by which records were beaten on 27 September 1925
Margin	Records
0 to 10	85
10 to 20	10
20 to 30	2
30 to 40	1
40 to 50	1
50 to 60	2