Weather Records on 11 September 1927

300 weather records were set or tied worldwide on 11 September 1927. Highest significance: Linkoeping-Malmslaett, SE.

Key Facts for 11 September 1927

On 11 September 1927, 300 weather records were set or tied at long-record stations worldwide.
220 were record highs and 17 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 292 daily.
Linkoeping-Malmslaett set a daily record precipitation of 25.7 mm (1.0 in) on 11 September 1927.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 424 records.

Record Map

300 stations

300 station records on 11 September 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Linkoeping-Malmslaett	Sweden	Record daily precipitation	25.7 mm (1.0 in)	47 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record daily precipitation	35.2 mm (1.4 in)	43 of 100 (Notable)
Grenfell	Canada	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Pacific Heights	Australia	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Philippi	United States	Record daily precipitation	73.9 mm (2.9 in)	35 of 100 (Notable)
Saint John	Canada	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Timovskoe	Russia	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Fairmont	United States	Record daily precipitation	53.3 mm (2.1 in)	30 of 100 (Routine)
Pimlico	Australia	Record daily precipitation	46.0 mm (1.8 in)	28 of 100 (Routine)
Watertown	United States	Record daily precipitation	31.5 mm (1.2 in)	28 of 100 (Routine)
Bottineau	United States	Record high minimum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Blue Hill Coop	United States	Record daily precipitation	41.1 mm (1.6 in)	24 of 100 (Routine)
Savannah 6 SW	United States	Record high minimum temperature	26.1 C (79.0 F)	23 of 100 (Routine)
Eastport	United States	Record daily precipitation	60.7 mm (2.4 in)	22 of 100 (Routine)
Fall River	United States	Record daily precipitation	48.3 mm (1.9 in)	22 of 100 (Routine)
Leominster	United States	Record daily precipitation	36.1 mm (1.4 in)	22 of 100 (Routine)
Fitchburg 4 SE	United States	Record daily precipitation	28.4 mm (1.1 in)	21 of 100 (Routine)
Williamstown	United States	Record daily precipitation	25.7 mm (1.0 in)	21 of 100 (Routine)
Boston City WSO	United States	Record daily precipitation	31.8 mm (1.3 in)	21 of 100 (Routine)
Collaroy Station	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Missoula 6 NW WFO	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Raglan	Australia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Prince Albert	Canada	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Duaringa Post Office	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Waren	Germany	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Miriam Vale	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Kerkwerve	Netherlands	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Dayton 1 WSW	United States	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Spokane Intl AP	United States	Record daily precipitation	6.1 mm (0.24 in)	20 of 100 (Routine)
Pendleton Dwtn	United States	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Emu Park Hill St	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Treherne	Canada	Record daily precipitation	33.5 mm (1.3 in)	20 of 100 (Routine)
Indianola 1SW	United States	Record high maximum temperature	37.8 C (100.0 F)	20 of 100 (Routine)
Glendive	United States	Record high minimum temperature	16.7 C (62.1 F)	20 of 100 (Routine)
Aberdeen	United States	Record high maximum temperature	37.8 C (100.0 F)	20 of 100 (Routine)
Brisbane Regional Office	Australia	Record low maximum temperature	16.2 C (61.2 F)	19 of 100 (Routine)
Cumbalum (Fairview)	Australia	Record daily precipitation	42.9 mm (1.7 in)	19 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record daily precipitation	17.8 mm (0.7 in)	19 of 100 (Routine)
Beardsley	United States	Record high maximum temperature	37.2 C (99.0 F)	19 of 100 (Routine)
Fergus Falls	United States	Record high maximum temperature	33.3 C (91.9 F)	19 of 100 (Routine)
Conception	United States	Record high maximum temperature	36.1 C (97.0 F)	19 of 100 (Routine)
Rosalia	United States	Record daily precipitation	34.0 mm (1.3 in)	19 of 100 (Routine)
Brandon Cda	Canada	Record high minimum temperature	15.0 C (59.0 F)	18 of 100 (Routine)
Minnedosa	Canada	Record high minimum temperature	15.0 C (59.0 F)	18 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record low maximum temperature	10.5 C (50.9 F)	18 of 100 (Routine)
Gavle	Sweden	Record low maximum temperature	9.5 C (49.1 F)	18 of 100 (Routine)
Knoxville	United States	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Plymouth-Kingston	United States	Record daily precipitation	33.3 mm (1.3 in)	18 of 100 (Routine)
Brunswick	United States	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
La Delle 7 NE	United States	Record high minimum temperature	22.8 C (73.0 F)	18 of 100 (Routine)
Tashkent	Uzbekistan	Record daily precipitation	0.4 mm (0.02 in)	18 of 100 (Routine)
Westwood Store	Australia	Record daily precipitation	16.3 mm (0.6 in)	17 of 100 (Routine)
Fort St James	Canada	Record high minimum temperature	10.0 C (50.0 F)	17 of 100 (Routine)
Qu'appelle	Canada	Record daily precipitation	14.2 mm (0.6 in)	17 of 100 (Routine)
Detroit Lakes 1 NNE	United States	Record high minimum temperature	16.1 C (61.0 F)	17 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high minimum temperature	17.8 C (64.0 F)	17 of 100 (Routine)
Kosciusko	United States	Record daily precipitation	26.4 mm (1.0 in)	17 of 100 (Routine)
Banana Post Office	Australia	Record daily precipitation	18.5 mm (0.7 in)	16 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	13.9 C (57.0 F)	16 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record high minimum temperature	13.4 C (56.1 F)	16 of 100 (Routine)

Counts by Type and Timescale

300 records

Records set or tied on 11 September 1927 by type: Highest daily maximum 99, Lowest daily maximum 9, Highest daily minimum 121, Lowest daily minimum 8, Heaviest daily rainfall 63.

Records on 11 September 1927 by type
Record type	Records
Highest daily maximum	99
Lowest daily maximum	9
Highest daily minimum	121
Lowest daily minimum	8
Heaviest daily rainfall	63
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 September 1927 by timescale: all-time 0, monthly 8, daily 292.

How Much Records Were Beaten By

226 broken records

Margins by which the 226 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.2. Ties are not counted.

Top 20 by Significance

11 September 1927

Top 20 records on 11 September 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1927	Linkoeping-Malmslaett, SE	daily rain	25.7 mm (1.0 in)	11.7 mm (0.5 in)	63 years	47 of 100 (Notable)
11 September 1927	Hamburg Fuhlsbuettel, DE	daily rain	35.2 mm (1.4 in)	23.2 mm (0.9 in)	1 year	43 of 100 (Notable)
11 September 1927	Grenfell, CA	daily rain	40.6 mm (1.6 in)	27.4 mm (1.1 in)	30 years	41 of 100 (Notable)
11 September 1927	Pacific Heights, AU	daily rain	55.9 mm (2.2 in)	43.2 mm (1.7 in)	34 years	38 of 100 (Notable)
11 September 1927	Philippi, US	monthly rain	73.9 mm (2.9 in)	15.5 mm (0.6 in)	30 years	35 of 100 (Notable)
11 September 1927	Saint John, CA	daily rain	50.8 mm (2.0 in)	31.2 mm (1.2 in)	2 years	34 of 100 (Routine)
11 September 1927	Timovskoe, RU	daily rain	35.0 mm (1.4 in)	16.4 mm (0.6 in)	29 years	33 of 100 (Routine)
11 September 1927	Fairmont, US	daily rain	53.3 mm (2.1 in)	21.3 mm (0.8 in)	21 years	30 of 100 (Routine)
11 September 1927	Pimlico, AU	daily rain	46.0 mm (1.8 in)	23.6 mm (0.9 in)	25 years	28 of 100 (Routine)
11 September 1927	Watertown, US	daily rain	31.5 mm (1.2 in)	19.6 mm (0.8 in)	25 years	28 of 100 (Routine)
11 September 1927	Bottineau, US	daily high min	19.4 C (66.9 F)	6.1 C (11.0 F)	33 years	25 of 100 (Routine)
11 September 1927	Blue Hill Coop, US	daily rain	41.1 mm (1.6 in)	16.7 mm (0.7 in)	37 years	24 of 100 (Routine)
11 September 1927	Savannah 6 SW, US	monthly high min	26.1 C (79.0 F)	0.5 C (0.9 F)	31 years	23 of 100 (Routine)
11 September 1927	Eastport, US	monthly rain	60.7 mm (2.4 in)	3.0 mm (0.12 in)	22 years	22 of 100 (Routine)
11 September 1927	Fall River, US	daily rain	48.3 mm (1.9 in)	22.9 mm (0.9 in)	14 years	22 of 100 (Routine)
11 September 1927	Leominster, US	daily rain	36.1 mm (1.4 in)	19.3 mm (0.8 in)	20 years	22 of 100 (Routine)
11 September 1927	Fitchburg 4 SE, US	daily rain	28.4 mm (1.1 in)	14.7 mm (0.6 in)	31 years	21 of 100 (Routine)
11 September 1927	Williamstown, US	daily rain	25.7 mm (1.0 in)	13.0 mm (0.5 in)	20 years	21 of 100 (Routine)
11 September 1927	Boston City WSO, US	daily rain	31.8 mm (1.3 in)	16.1 mm (0.6 in)	25 years	21 of 100 (Routine)
11 September 1927	Collaroy Station, AU	daily rain	23.4 mm (0.9 in)	22.4 mm (0.9 in)	34 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

1809 to 1927

Records set or tied on this calendar date in each year from 1809 to 1927. 1927 had 300 records.

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

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 1927-09-11: 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 11 September 1927
Margin	Records
0 to 10	197
10 to 20	19
20 to 30	8
30 to 40	1
40 to 50	1