Weather Records on 27 September 1930

178 weather records were set or tied worldwide on 27 September 1930. Highest significance: Schwerin, DE.

Key Facts for 27 September 1930

On 27 September 1930, 178 weather records were set or tied at long-record stations worldwide.
97 were record highs and 26 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 173 daily.
Schwerin set a monthly record daily precipitation of 39.1 mm (1.5 in) on 27 September 1930.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 453 records.

Record Map

178 stations

178 station records on 27 September 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Schwerin	Germany	Record daily precipitation	39.1 mm (1.5 in)	59 of 100 (Notable)
Waren	Germany	Record daily precipitation	32.0 mm (1.3 in)	54 of 100 (Notable)
Altentreptow	Germany	Record daily precipitation	27.7 mm (1.1 in)	53 of 100 (Notable)
Kirchdorf/Poel	Germany	Record daily precipitation	29.6 mm (1.2 in)	50 of 100 (Notable)
Ueckermunde	Germany	Record daily precipitation	47.2 mm (1.9 in)	34 of 100 (Routine)
Hoorn	Netherlands	Record daily precipitation	27.4 mm (1.1 in)	32 of 100 (Routine)
Selma	United States	Record daily precipitation	53.3 mm (2.1 in)	32 of 100 (Routine)
Wittstock-Rote Muhle	Germany	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Lubeck-Werft	Germany	Record daily precipitation	27.2 mm (1.1 in)	26 of 100 (Routine)
Laghouat	Algeria	Record high minimum temperature	24.0 C (75.2 F)	25 of 100 (Routine)
Angermunde	Germany	Record daily precipitation	30.2 mm (1.2 in)	25 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	24 of 100 (Routine)
Waterville Wwtp	United States	Record high minimum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Fall River	United States	Record high maximum temperature	31.7 C (89.1 F)	23 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Teterow	Germany	Record daily precipitation	26.7 mm (1.1 in)	21 of 100 (Routine)
Leeu Gamka (Sar)	South Africa	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Welbedacht	South Africa	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Steinkopf (Pol)	South Africa	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Vanrhysdorp	South Africa	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Clanwilliam (Pol)	South Africa	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Skaneateles	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Dunedin	South Africa	Record daily precipitation	7.1 mm (0.28 in)	20 of 100 (Routine)
Fort National	Algeria	Record high maximum temperature	34.0 C (93.2 F)	20 of 100 (Routine)
Wupperthal	South Africa	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
New London	United States	Record high maximum temperature	31.7 C (89.1 F)	20 of 100 (Routine)
Weldon	United States	Record high maximum temperature	35.0 C (95.0 F)	20 of 100 (Routine)
Piketberg (Pol)	South Africa	Record daily precipitation	28.4 mm (1.1 in)	19 of 100 (Routine)
Framingham	United States	Record high minimum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Towanda 1 S	United States	Record daily precipitation	18.0 mm (0.7 in)	19 of 100 (Routine)
Port Townsend	United States	Record daily precipitation	15.2 mm (0.6 in)	19 of 100 (Routine)
Chestnut Hill	United States	Record high minimum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Addison	United States	Record daily precipitation	17.3 mm (0.7 in)	18 of 100 (Routine)
Cutchogue	United States	Record high minimum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Oneonta 1 S	United States	Record daily precipitation	17.0 mm (0.7 in)	18 of 100 (Routine)
Staunton Wtp	United States	Record high maximum temperature	34.4 C (93.9 F)	18 of 100 (Routine)
Chapel Hill 2 W	United States	Record high minimum temperature	20.6 C (69.1 F)	17 of 100 (Routine)
Kingston	United States	Record high maximum temperature	28.9 C (84.0 F)	17 of 100 (Routine)
Colchester 2 W	United States	Record high minimum temperature	19.4 C (66.9 F)	16 of 100 (Routine)
Lake Cochituate	United States	Record high minimum temperature	18.3 C (64.9 F)	16 of 100 (Routine)
Salisbury	United States	Record high minimum temperature	20.6 C (69.1 F)	16 of 100 (Routine)
Menno	United States	Record low maximum temperature	6.7 C (44.1 F)	16 of 100 (Routine)
Runnymede Spottsville	United States	Record high maximum temperature	35.6 C (96.1 F)	16 of 100 (Routine)
New Cumberland L/D	United States	Record daily precipitation	9.7 mm (0.38 in)	16 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	21.1 mm (0.8 in)	15 of 100 (Routine)
Fraserburg	South Africa	Record daily precipitation	5.3 mm (0.21 in)	15 of 100 (Routine)
Storrs	United States	Record high minimum temperature	18.3 C (64.9 F)	15 of 100 (Routine)
Ocala	United States	Record high maximum temperature	35.0 C (95.0 F)	15 of 100 (Routine)
Monticello	United States	Record daily precipitation	17.0 mm (0.7 in)	15 of 100 (Routine)
Woodstock	United States	Record high maximum temperature	32.8 C (91.0 F)	15 of 100 (Routine)
Williamstown	United States	Record daily precipitation	16.0 mm (0.6 in)	15 of 100 (Routine)
Nashua 2 NNW	United States	Record high minimum temperature	16.7 C (62.1 F)	15 of 100 (Routine)
Warren	United States	Record high minimum temperature	18.9 C (66.0 F)	15 of 100 (Routine)
Saint Johnsbury	United States	Record high minimum temperature	15.0 C (59.0 F)	15 of 100 (Routine)
Burkes Garden	United States	Record high maximum temperature	31.1 C (88.0 F)	15 of 100 (Routine)
Ladner	Canada	Record daily precipitation	11.4 mm (0.4 in)	14 of 100 (Routine)
Port Said	Egypt	Record high minimum temperature	25.0 C (77.0 F)	14 of 100 (Routine)
Eersterivier (Bos)	South Africa	Record daily precipitation	20.8 mm (0.8 in)	14 of 100 (Routine)
New London	United States	Record high minimum temperature	19.4 C (66.9 F)	14 of 100 (Routine)
Cambridge Water Trmt P	United States	Record high minimum temperature	20.0 C (68.0 F)	14 of 100 (Routine)

Counts by Type and Timescale

178 records

Records set or tied on 27 September 1930 by type: Highest daily maximum 41, Lowest daily maximum 18, Highest daily minimum 56, Lowest daily minimum 8, Heaviest daily rainfall 55.

Records on 27 September 1930 by type
Record type	Records
Highest daily maximum	41
Lowest daily maximum	18
Highest daily minimum	56
Lowest daily minimum	8
Heaviest daily rainfall	55
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 September 1930 by timescale: all-time 0, monthly 5, daily 173.

How Much Records Were Beaten By

142 broken records

Margins by which the 142 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 46.9. Ties are not counted.

Top 20 by Significance

27 September 1930

Top 20 records on 27 September 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1930	Schwerin, DE	monthly rain	39.1 mm (1.5 in)	14.7 mm (0.6 in)	34 years	59 of 100 (Notable)
27 September 1930	Waren, DE	daily rain	32.0 mm (1.3 in)	17.8 mm (0.7 in)	36 years	54 of 100 (Notable)
27 September 1930	Altentreptow, DE	daily rain	27.7 mm (1.1 in)	19.6 mm (0.8 in)	36 years	53 of 100 (Notable)
27 September 1930	Kirchdorf/Poel, DE	daily rain	29.6 mm (1.2 in)	14.6 mm (0.6 in)	40 years	50 of 100 (Notable)
27 September 1930	Ueckermunde, DE	monthly rain	47.2 mm (1.9 in)	6.4 mm (0.25 in)	27 years	34 of 100 (Routine)
27 September 1930	Hoorn, NL	daily rain	27.4 mm (1.1 in)	8.9 mm (0.35 in)	36 years	32 of 100 (Routine)
27 September 1930	Selma, US	daily rain	53.3 mm (2.1 in)	46.9 mm (1.8 in)	4 years	32 of 100 (Routine)
27 September 1930	Wittstock-Rote Muhle, DE	monthly rain	27.4 mm (1.1 in)	1.9 mm (0.07 in)	33 years	27 of 100 (Routine)
27 September 1930	Lubeck-Werft, DE	monthly rain	27.2 mm (1.1 in)	1.0 mm (0.04 in)	34 years	26 of 100 (Routine)
27 September 1930	Laghouat, DZ	daily high min	24.0 C (75.2 F)	5.0 C (9.0 F)	23 years	25 of 100 (Routine)
27 September 1930	Angermunde, DE	monthly rain	30.2 mm (1.2 in)	3.3 mm (0.13 in)	20 years	25 of 100 (Routine)
27 September 1930	Paarl (Tnk), ZA	daily rain	34.0 mm (1.3 in)	8.6 mm (0.34 in)	37 years	24 of 100 (Routine)
27 September 1930	Waterville Wwtp, US	daily high min	18.9 C (66.0 F)	5.6 C (10.1 F)	30 years	23 of 100 (Routine)
27 September 1930	Fall River, US	daily high max	31.7 C (89.1 F)	6.7 C (12.1 F)	13 years	23 of 100 (Routine)
27 September 1930	Martinsburg E W Virginia Rgnl, US	daily high max	35.6 C (96.1 F)	3.9 C (7.0 F)	34 years	22 of 100 (Routine)
27 September 1930	Teterow, DE	daily rain	26.7 mm (1.1 in)	5.3 mm (0.21 in)	20 years	21 of 100 (Routine)
27 September 1930	Leeu Gamka (Sar), ZA	daily rain	10.7 mm (0.4 in)	7.1 mm (0.28 in)	36 years	20 of 100 (Routine)
27 September 1930	Welbedacht, ZA	daily rain	9.7 mm (0.38 in)	9.7 mm (0.38 in)	31 years	20 of 100 (Routine)
27 September 1930	Steinkopf (Pol), ZA	daily rain	7.6 mm (0.30 in)	5.1 mm (0.20 in)	36 years	20 of 100 (Routine)
27 September 1930	Vanrhysdorp, ZA	daily rain	13.7 mm (0.5 in)	6.1 mm (0.24 in)	16 years	20 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 1930

Records set or tied on this calendar date in each year from 1799 to 1930. 1930 had 178 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 1930-09-27: 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	135
10 to 20	6
20 to 30	0
30 to 40	0
40 to 50	1