Weather Records on 12 September 1927

339 weather records were set or tied worldwide on 12 September 1927. Highest significance: Cape Moreton Lighthouse, AU.

Key Facts for 12 September 1927

On 12 September 1927, 339 weather records were set or tied at long-record stations worldwide.
266 were record highs and 30 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 336 daily.
Cape Moreton Lighthouse set a daily record precipitation of 91.4 mm (3.6 in) on 12 September 1927.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 414 records.

Record Map

339 stations

339 station records on 12 September 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape Moreton Lighthouse	Australia	Record daily precipitation	91.4 mm (3.6 in)	54 of 100 (Notable)
Natural Brg	United States	Record daily precipitation	104.1 mm (4.1 in)	51 of 100 (Notable)
Deming	United States	Record daily precipitation	33.8 mm (1.3 in)	46 of 100 (Notable)
Durango	United States	Record daily precipitation	28.4 mm (1.1 in)	41 of 100 (Notable)
Clifton	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Tucson WFO	United States	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Ballina (Crowley Village)	Australia	Record daily precipitation	97.8 mm (3.9 in)	34 of 100 (Routine)
Holbrook	United States	Record daily precipitation	28.7 mm (1.1 in)	33 of 100 (Routine)
Tucson WFO	United States	Record low maximum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Byron Bay (Jacaranda Drive)	Australia	Record daily precipitation	68.6 mm (2.7 in)	29 of 100 (Routine)
Landsborough Post Office	Australia	Record daily precipitation	45.7 mm (1.8 in)	27 of 100 (Routine)
Buckeye	United States	Record low maximum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Ventspils	Latvia	Record daily precipitation	28.3 mm (1.1 in)	26 of 100 (Routine)
Bisbee	United States	Record daily precipitation	42.7 mm (1.7 in)	24 of 100 (Routine)
Milwaukee Wb City	United States	Record high maximum temperature	33.3 C (91.9 F)	24 of 100 (Routine)
Palmwoods Post Office	Australia	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Altastenberg	Germany	Record daily precipitation	25.5 mm (1.0 in)	22 of 100 (Routine)
Moab	United States	Record low maximum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
New London	United States	Record high minimum temperature	20.0 C (68.0 F)	21 of 100 (Routine)
Madison Wb City	United States	Record high minimum temperature	20.0 C (68.0 F)	21 of 100 (Routine)
Fort Chipewyan	Canada	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Golconda	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Fergana	Uzbekistan	Record daily precipitation	1.7 mm (0.07 in)	20 of 100 (Routine)
Ft Bidwell	United States	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Oakley	United States	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Lordsburg 4 SE	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Logan 1 WNW	United States	Record high minimum temperature	25.6 C (78.1 F)	20 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high maximum temperature	32.8 C (91.0 F)	20 of 100 (Routine)
Dubuque River	United States	Record high minimum temperature	22.2 C (72.0 F)	20 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	15.0 C (59.0 F)	19 of 100 (Routine)
Carroll	United States	Record high minimum temperature	22.2 C (72.0 F)	19 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high minimum temperature	17.8 C (64.0 F)	19 of 100 (Routine)
Battle Mtn	United States	Record daily precipitation	5.1 mm (0.20 in)	19 of 100 (Routine)
La Crosse Wb City	United States	Record high minimum temperature	21.7 C (71.1 F)	19 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high minimum temperature	23.3 C (73.9 F)	19 of 100 (Routine)
Montgomery Wb City	United States	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	24.4 C (75.9 F)	18 of 100 (Routine)
Ft Morgan	United States	Record high minimum temperature	17.8 C (64.0 F)	18 of 100 (Routine)
Marshalltown	United States	Record high minimum temperature	22.2 C (72.0 F)	18 of 100 (Routine)
Sac City	United States	Record high minimum temperature	22.2 C (72.0 F)	18 of 100 (Routine)
Fond du Lac Wwtp	United States	Record high maximum temperature	33.3 C (91.9 F)	18 of 100 (Routine)
Gorki	Belarus	Record daily precipitation	24.1 mm (0.9 in)	17 of 100 (Routine)
Minsk	Belarus	Record daily precipitation	19.1 mm (0.8 in)	17 of 100 (Routine)
Whitehead	Canada	Record daily precipitation	24.9 mm (1.0 in)	17 of 100 (Routine)
Maristova	Norway	Record daily precipitation	13.0 mm (0.5 in)	17 of 100 (Routine)
Kalmar_D	Sweden	Record daily precipitation	23.1 mm (0.9 in)	17 of 100 (Routine)
Pinal Rch	United States	Record daily precipitation	29.5 mm (1.2 in)	17 of 100 (Routine)
Estherville 4E	United States	Record high minimum temperature	20.6 C (69.1 F)	17 of 100 (Routine)
Bird Island	United States	Record high minimum temperature	20.6 C (69.1 F)	17 of 100 (Routine)
Montevideo 1SW	United States	Record high maximum temperature	37.2 C (99.0 F)	17 of 100 (Routine)
Zumbrota	United States	Record high minimum temperature	22.2 C (72.0 F)	17 of 100 (Routine)
Manitowoc	United States	Record high maximum temperature	30.0 C (86.0 F)	17 of 100 (Routine)
Dubuque River	United States	Record high maximum temperature	35.0 C (95.0 F)	17 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high maximum temperature	35.6 C (96.1 F)	17 of 100 (Routine)
Yuma Wb City	United States	Record low maximum temperature	31.7 C (89.1 F)	17 of 100 (Routine)
Sulitjelma	Norway	Record daily precipitation	23.1 mm (0.9 in)	16 of 100 (Routine)
Feodosiia	Ukraine	Record high maximum temperature	28.1 C (82.6 F)	16 of 100 (Routine)
Tombstone	United States	Record low maximum temperature	24.4 C (75.9 F)	16 of 100 (Routine)
Ft Bidwell	United States	Record low maximum temperature	11.1 C (52.0 F)	16 of 100 (Routine)
Gunnison 3SW	United States	Record low maximum temperature	13.9 C (57.0 F)	16 of 100 (Routine)

Counts by Type and Timescale

339 records

Records set or tied on 12 September 1927 by type: Highest daily maximum 122, Lowest daily maximum 26, Highest daily minimum 144, Lowest daily minimum 4, Heaviest daily rainfall 43.

Records on 12 September 1927 by type
Record type	Records
Highest daily maximum	122
Lowest daily maximum	26
Highest daily minimum	144
Lowest daily minimum	4
Heaviest daily rainfall	43
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1927 by timescale: all-time 0, monthly 3, daily 336.

How Much Records Were Beaten By

274 broken records

Margins by which the 274 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.7. Ties are not counted.

Top 20 by Significance

12 September 1927

Top 20 records on 12 September 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1927	Cape Moreton Lighthouse, AU	daily rain	91.4 mm (3.6 in)	80.7 mm (3.2 in)	34 years	54 of 100 (Notable)
12 September 1927	Natural Brg, US	daily rain	104.1 mm (4.1 in)	76.2 mm (3.0 in)	29 years	51 of 100 (Notable)
12 September 1927	Deming, US	daily rain	33.8 mm (1.3 in)	33.0 mm (1.3 in)	29 years	46 of 100 (Notable)
12 September 1927	Durango, US	daily rain	28.4 mm (1.1 in)	23.3 mm (0.9 in)	29 years	41 of 100 (Notable)
12 September 1927	Clifton, US	daily rain	35.6 mm (1.4 in)	32.6 mm (1.3 in)	13 years	39 of 100 (Notable)
12 September 1927	Tucson WFO, US	daily rain	33.0 mm (1.3 in)	26.9 mm (1.1 in)	16 years	38 of 100 (Notable)
12 September 1927	Ballina (Crowley Village), AU	monthly rain	97.8 mm (3.9 in)	17.8 mm (0.7 in)	33 years	34 of 100 (Routine)
12 September 1927	Holbrook, US	daily rain	28.7 mm (1.1 in)	21.1 mm (0.8 in)	4 years	33 of 100 (Routine)
12 September 1927	Tucson WFO, US	daily low max	24.4 C (75.9 F)	6.2 C (11.2 F)	24 years	31 of 100 (Routine)
12 September 1927	Byron Bay (Jacaranda Drive), AU	daily rain	68.6 mm (2.7 in)	36.1 mm (1.4 in)	4 years	29 of 100 (Routine)
12 September 1927	Landsborough Post Office, AU	daily rain	45.7 mm (1.8 in)	20.3 mm (0.8 in)	34 years	27 of 100 (Routine)
12 September 1927	Buckeye, US	daily low max	26.7 C (80.1 F)	5.5 C (9.9 F)	29 years	27 of 100 (Routine)
12 September 1927	Ventspils, LV	daily rain	28.3 mm (1.1 in)	4.5 mm (0.18 in)	45 years	26 of 100 (Routine)
12 September 1927	Bisbee, US	daily rain	42.7 mm (1.7 in)	27.0 mm (1.1 in)	4 years	24 of 100 (Routine)
12 September 1927	Milwaukee Wb City, US	daily high max	33.3 C (91.9 F)	2.2 C (4.0 F)	52 years	24 of 100 (Routine)
12 September 1927	Palmwoods Post Office, AU	daily rain	38.1 mm (1.5 in)	15.2 mm (0.6 in)	26 years	22 of 100 (Routine)
12 September 1927	Altastenberg, DE	daily rain	25.5 mm (1.0 in)	9.1 mm (0.36 in)	12 years	22 of 100 (Routine)
12 September 1927	Moab, US	daily low max	16.7 C (62.1 F)	5.0 C (9.0 F)	29 years	22 of 100 (Routine)
12 September 1927	New London, US	daily high min	20.0 C (68.0 F)	4.4 C (7.9 F)	33 years	21 of 100 (Routine)
12 September 1927	Madison Wb City, US	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	52 years	21 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

1793 to 1927

Records set or tied on this calendar date in each year from 1793 to 1927. 1927 had 339 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1927-09-12: 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 20	264
20 to 40	8
40 to 60	0
60 to 80	1
80 to 100	1