Weather Records on 27 September 1920

54 weather records were set or tied worldwide on 27 September 1920. Highest significance: Jena Sternwarte, DE.

Key Facts for 27 September 1920

On 27 September 1920, 54 weather records were set or tied at long-record stations worldwide.
39 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 54 daily.
Jena Sternwarte set a daily record precipitation of 43.8 mm (1.7 in) on 27 September 1920.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 453 records.

Record Map

54 stations

54 station records on 27 September 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jena Sternwarte	Germany	Record daily precipitation	43.8 mm (1.7 in)	53 of 100 (Notable)
Toronto	Canada	Record high maximum temperature	28.3 C (82.9 F)	30 of 100 (Routine)
Harrisburg - Coop	United States	Record daily precipitation	34.8 mm (1.4 in)	29 of 100 (Routine)
Kingston Queens U	Canada	Record daily precipitation	19.6 mm (0.8 in)	18 of 100 (Routine)
Kingston Queens U	Canada	Record high minimum temperature	19.4 C (66.9 F)	17 of 100 (Routine)
Peterborough	Canada	Record high minimum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Chicoutimi	Canada	Record high maximum temperature	31.1 C (88.0 F)	17 of 100 (Routine)
Tranebjerg	Denmark	Record high minimum temperature	12.3 C (54.1 F)	17 of 100 (Routine)
Lindsay	Canada	Record high maximum temperature	28.3 C (82.9 F)	16 of 100 (Routine)
Clontarf	Canada	Record daily precipitation	15.2 mm (0.6 in)	15 of 100 (Routine)
Paris	Canada	Record high maximum temperature	29.4 C (84.9 F)	15 of 100 (Routine)
Alton	Canada	Record high minimum temperature	15.6 C (60.1 F)	14 of 100 (Routine)
Lowell	United States	Record high maximum temperature	31.7 C (89.1 F)	14 of 100 (Routine)
Asheville	United States	Record daily precipitation	33.5 mm (1.3 in)	14 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record low minimum temperature	6.7 C (44.1 F)	13 of 100 (Routine)
Lucknow	Canada	Record daily precipitation	19.6 mm (0.8 in)	13 of 100 (Routine)
London South	Canada	Record high minimum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Haliburton A	Canada	Record high maximum temperature	27.8 C (82.0 F)	13 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record daily precipitation	12.8 mm (0.5 in)	13 of 100 (Routine)
Harrisburg - Coop	United States	Record high minimum temperature	20.6 C (69.1 F)	13 of 100 (Routine)
Lock #4	United States	Record daily precipitation	26.7 mm (1.1 in)	13 of 100 (Routine)
Cairns Post Office	Australia	Record low minimum temperature	15.0 C (59.0 F)	12 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	15.6 C (60.1 F)	12 of 100 (Routine)
Cottam	Canada	Record daily precipitation	13.2 mm (0.5 in)	12 of 100 (Routine)
Lakefield	Canada	Record high minimum temperature	15.6 C (60.1 F)	12 of 100 (Routine)
Plauen	Germany	Record daily precipitation	23.3 mm (0.9 in)	12 of 100 (Routine)
Moose Factory	Canada	Record high minimum temperature	15.0 C (59.0 F)	11 of 100 (Routine)
Ottawa	Canada	Record high minimum temperature	16.1 C (61.0 F)	11 of 100 (Routine)
Renfrew	Canada	Record high minimum temperature	18.3 C (64.9 F)	11 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	17.2 C (63.0 F)	11 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high minimum temperature	13.0 C (55.4 F)	11 of 100 (Routine)
Lexington	United States	Record high minimum temperature	16.7 C (62.1 F)	11 of 100 (Routine)
Ottawa Cda	Canada	Record high minimum temperature	16.1 C (61.0 F)	10 of 100 (Routine)
Wrixum/Fohr	Germany	Record high minimum temperature	13.2 C (55.8 F)	10 of 100 (Routine)
Barrie	Canada	Record high minimum temperature	17.2 C (63.0 F)	9 of 100 (Routine)
Port Dover	Canada	Record high maximum temperature	26.7 C (80.1 F)	9 of 100 (Routine)
Paris	Canada	Record high minimum temperature	17.2 C (63.0 F)	9 of 100 (Routine)
Stonecliffe	Canada	Record daily precipitation	13.7 mm (0.5 in)	7 of 100 (Routine)
London South	Canada	Record high maximum temperature	28.9 C (84.0 F)	7 of 100 (Routine)
Welland	Canada	Record high maximum temperature	28.9 C (84.0 F)	6 of 100 (Routine)
Stoney Creek	Canada	Record high maximum temperature	30.6 C (87.1 F)	6 of 100 (Routine)
Jokkmokk	Sweden	Record high maximum temperature	15.5 C (59.9 F)	6 of 100 (Routine)
Somerville 4 NW	United States	Record high minimum temperature	19.4 C (66.9 F)	6 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	28.9 C (84.0 F)	4 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	21.0 C (69.8 F)	3 of 100 (Routine)
Bourke Post Office	Australia	Record low minimum temperature	4.4 C (39.9 F)	3 of 100 (Routine)
Gravenhurst	Canada	Record high maximum temperature	26.7 C (80.1 F)	3 of 100 (Routine)
Halmstad	Sweden	Record high maximum temperature	18.5 C (65.3 F)	2 of 100 (Routine)
Brinkley	United States	Record high maximum temperature	34.4 C (93.9 F)	2 of 100 (Routine)
Gunnedah Pool	Australia	Record low maximum temperature	17.8 C (64.0 F)	1 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	16.7 C (62.1 F)	1 of 100 (Routine)
Hambantota	Sri Lanka	Record high minimum temperature	25.2 C (77.4 F)	1 of 100 (Routine)
Plymouth	United States	Record high minimum temperature	12.2 C (54.0 F)	1 of 100 (Routine)
Burlington	United States	Record high maximum temperature	28.3 C (82.9 F)	1 of 100 (Routine)

Counts by Type and Timescale

54 records

Records set or tied on 27 September 1920 by type: Highest daily maximum 16, Lowest daily maximum 1, Highest daily minimum 23, Lowest daily minimum 3, Heaviest daily rainfall 11.

Records on 27 September 1920 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	1
Highest daily minimum	23
Lowest daily minimum	3
Heaviest daily rainfall	11
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 September 1920 by timescale: all-time 0, monthly 0, daily 54.

How Much Records Were Beaten By

43 broken records

Margins by which the 43 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 27.7. Ties are not counted.

Top 20 by Significance

27 September 1920

Top 20 records on 27 September 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1920	Jena Sternwarte, DE	daily rain	43.8 mm (1.7 in)	27.5 mm (1.1 in)	15 years	53 of 100 (Notable)
27 September 1920	Toronto, CA	daily high max	28.3 C (82.9 F)	1.6 C (2.9 F)	65 years	30 of 100 (Routine)
27 September 1920	Harrisburg - Coop, US	daily rain	34.8 mm (1.4 in)	27.7 mm (1.1 in)	14 years	29 of 100 (Routine)
27 September 1920	Kingston Queens U, CA	daily rain	19.6 mm (0.8 in)	4.1 mm (0.16 in)	35 years	18 of 100 (Routine)
27 September 1920	Kingston Queens U, CA	daily high min	19.4 C (66.9 F)	1.1 C (2.0 F)	38 years	17 of 100 (Routine)
27 September 1920	Peterborough, CA	daily high min	15.0 C (59.0 F)	0.6 C (1.1 F)	38 years	17 of 100 (Routine)
27 September 1920	Chicoutimi, CA	daily high max	31.1 C (88.0 F)	5.0 C (9.0 F)	14 years	17 of 100 (Routine)
27 September 1920	Tranebjerg, DK	daily high min	12.3 C (54.1 F)	0.2 C (0.4 F)	44 years	17 of 100 (Routine)
27 September 1920	Lindsay, CA	daily high max	28.3 C (82.9 F)	1.1 C (2.0 F)	34 years	16 of 100 (Routine)
27 September 1920	Clontarf, CA	daily rain	15.2 mm (0.6 in)	1.5 mm (0.06 in)	36 years	15 of 100 (Routine)
27 September 1920	Paris, CA	daily high max	29.4 C (84.9 F)	2.2 C (4.0 F)	28 years	15 of 100 (Routine)
27 September 1920	Alton, CA	daily high min	15.6 C (60.1 F)	3.9 C (7.0 F)	12 years	14 of 100 (Routine)
27 September 1920	Lowell, US	daily high max	31.7 C (89.1 F)	3.4 C (6.1 F)	12 years	14 of 100 (Routine)
27 September 1920	Asheville, US	daily rain	33.5 mm (1.3 in)	3.5 mm (0.14 in)	29 years	14 of 100 (Routine)
27 September 1920	Sydney (Observatory Hill), AU	daily low min	6.7 C (44.1 F)	1.1 C (2.0 F)	12 years	13 of 100 (Routine)
27 September 1920	Lucknow, CA	daily rain	19.6 mm (0.8 in)	3.9 mm (0.15 in)	23 years	13 of 100 (Routine)
27 September 1920	London South, CA	daily high min	16.1 C (61.0 F)	0.5 C (0.9 F)	33 years	13 of 100 (Routine)
27 September 1920	Haliburton A, CA	daily high max	27.8 C (82.0 F)	1.1 C (2.0 F)	28 years	13 of 100 (Routine)
27 September 1920	Munchen-Nymphenburg, DE	daily rain	12.8 mm (0.5 in)	6.3 mm (0.25 in)	8 years	13 of 100 (Routine)
27 September 1920	Harrisburg - Coop, US	daily high min	20.6 C (69.1 F)	1.2 C (2.2 F)	28 years	13 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 1920

Records set or tied on this calendar date in each year from 1799 to 1920. 1920 had 54 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 1920-09-27: 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 5	38
5 to 10	3
10 to 15	0
15 to 20	0
20 to 25	0
25 to 30	2