Weather Records on 11 September 2015

683 weather records were set or tied worldwide on 11 September 2015. Highest significance: Beretania Pump STN 705, US.

Key Facts for 11 September 2015

On 11 September 2015, 683 weather records were set or tied at long-record stations worldwide.
485 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 30 monthly and 650 daily.
Beretania Pump STN 705 set a monthly record daily precipitation of 65.5 mm (2.6 in) on 11 September 2015.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 422 records.

Record Map

683 stations

683 station records on 11 September 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beretania Pump STN 705	United States	Record daily precipitation	65.5 mm (2.6 in)	70 of 100 (Major)
Dale Enterprise	United States	Record daily precipitation	62.7 mm (2.5 in)	54 of 100 (Notable)
Nuuanu Rsch 5 775	United States	Record daily precipitation	68.3 mm (2.7 in)	52 of 100 (Notable)
Connellsville 2 SSW	United States	Record daily precipitation	58.4 mm (2.3 in)	51 of 100 (Notable)
Valentia Observatory	Ireland	Record daily precipitation	67.1 mm (2.6 in)	50 of 100 (Notable)
Nuuanu Rsch 4 783	United States	Record daily precipitation	158.5 mm (6.2 in)	50 of 100 (Notable)
Paiko Drive 723.4	United States	Record daily precipitation	47.8 mm (1.9 in)	50 of 100 (Notable)
Gallivare_A	Sweden	Record high maximum temperature	24.1 C (75.4 F)	48 of 100 (Notable)
Saltville 1N	United States	Record daily precipitation	79.2 mm (3.1 in)	48 of 100 (Notable)
Agalega	Mauritius	Record daily precipitation	45.0 mm (1.8 in)	47 of 100 (Notable)
Sosunovo	Russia	Record daily precipitation	91.9 mm (3.6 in)	46 of 100 (Notable)
Hetch Hetchy	United States	Record high minimum temperature	19.4 C (66.9 F)	44 of 100 (Notable)
Sacramento 5 ESE	United States	Record high minimum temperature	22.2 C (72.0 F)	44 of 100 (Notable)
Morro Bay Fire Dept	United States	Record high minimum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Tjukalinsk	Russia	Record daily precipitation	27.9 mm (1.1 in)	42 of 100 (Notable)
Chico UNIV Farm	United States	Record high maximum temperature	42.2 C (108.0 F)	42 of 100 (Notable)
Deland 1 SSE	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Virginia City	United States	Record high minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Hamburg	United States	Record daily precipitation	55.6 mm (2.2 in)	42 of 100 (Notable)
Weslaco	United States	Record high minimum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Zhijiang	China	Record daily precipitation	37.1 mm (1.5 in)	41 of 100 (Notable)
Ft Bidwell	United States	Record high minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Orlando Executive AP	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Tampa Intl AP	United States	Record high minimum temperature	27.2 C (81.0 F)	41 of 100 (Notable)
Fostoria 7 NW	United States	Record daily precipitation	74.2 mm (2.9 in)	40 of 100 (Notable)
Edgartown	United States	Record daily precipitation	80.8 mm (3.2 in)	40 of 100 (Notable)
Appleton City	United States	Record daily precipitation	67.3 mm (2.6 in)	40 of 100 (Notable)
Harlingen	United States	Record high minimum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Garze	China	Record daily precipitation	45.0 mm (1.8 in)	39 of 100 (Notable)
Overbrook 5 SE	United States	Record daily precipitation	45.2 mm (1.8 in)	39 of 100 (Notable)
Ashburnham	United States	Record daily precipitation	33.8 mm (1.3 in)	39 of 100 (Notable)
Abingdon 3S	United States	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Coconut Is 840.1	United States	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Kii-Kahuku 911	United States	Record daily precipitation	29.7 mm (1.2 in)	39 of 100 (Notable)
Saint Helena	United States	Record high maximum temperature	40.0 C (104.0 F)	38 of 100 (Notable)
Wasco	United States	Record high maximum temperature	41.1 C (106.0 F)	38 of 100 (Notable)
Weaverville	United States	Record high maximum temperature	40.0 C (104.0 F)	38 of 100 (Notable)
Vittangi	Sweden	Record high maximum temperature	24.1 C (75.4 F)	37 of 100 (Notable)
Modesto AP	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Kljuchi	Russia	Record high minimum temperature	10.8 C (51.4 F)	36 of 100 (Notable)
Santa Ana Fire STN	United States	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Surry Mtn Lake	United States	Record daily precipitation	31.2 mm (1.2 in)	36 of 100 (Notable)
Har Kenaan	Israel	Record high maximum temperature	38.0 C (100.4 F)	35 of 100 (Notable)
Calaveras Big Trees	United States	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Colfax	United States	Record high maximum temperature	40.6 C (105.1 F)	35 of 100 (Notable)
Sihccajavri	Norway	Record high maximum temperature	22.0 C (71.6 F)	34 of 100 (Routine)
Malmberget	Sweden	Record high maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Isparta	Turkey	Record high maximum temperature	35.1 C (95.2 F)	34 of 100 (Routine)
Craig	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Kautokeino	Norway	Record high maximum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Farmville	United States	Record daily precipitation	50.0 mm (2.0 in)	33 of 100 (Routine)
Petersburg 1	United States	Record high minimum temperature	12.2 C (54.0 F)	33 of 100 (Routine)
Gilroy	United States	Record high minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Daytona Beach	United States	Record high maximum temperature	34.4 C (93.9 F)	32 of 100 (Routine)
Bay City Wtr Wks	United States	Record low maximum temperature	24.4 C (75.9 F)	32 of 100 (Routine)
Honolulu Intl AP	United States	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Imperial Beach Ream Fld NAS	United States	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Mutsu	Japan	Record daily precipitation	81.0 mm (3.2 in)	31 of 100 (Routine)
Bakchar	Russia	Record high minimum temperature	14.3 C (57.7 F)	31 of 100 (Routine)
Warrior L&D	United States	Record daily precipitation	55.9 mm (2.2 in)	31 of 100 (Routine)

Counts by Type and Timescale

683 records

Records set or tied on 11 September 2015 by type: Highest daily maximum 243, Lowest daily maximum 28, Highest daily minimum 242, Lowest daily minimum 39, Heaviest daily rainfall 130, Heaviest daily snowfall 1.

Records on 11 September 2015 by type
Record type	Records
Highest daily maximum	243
Lowest daily maximum	28
Highest daily minimum	242
Lowest daily minimum	39
Heaviest daily rainfall	130
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 11 September 2015 by timescale: all-time 3, monthly 30, daily 650.

How Much Records Were Beaten By

564 broken records

Margins by which the 564 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 67.6. Ties are not counted.

Top 20 by Significance

11 September 2015

Top 20 records on 11 September 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 2015	Beretania Pump STN 705, US	monthly rain	65.5 mm (2.6 in)	24.1 mm (0.9 in)	51 years	70 of 100 (Major)
11 September 2015	Dale Enterprise, US	daily rain	62.7 mm (2.5 in)	20.8 mm (0.8 in)	121 years	54 of 100 (Notable)
11 September 2015	Nuuanu Rsch 5 775, US	daily rain	68.3 mm (2.7 in)	43.9 mm (1.7 in)	6 years	52 of 100 (Notable)
11 September 2015	Connellsville 2 SSW, US	daily rain	58.4 mm (2.3 in)	46.2 mm (1.8 in)	25 years	51 of 100 (Notable)
11 September 2015	Valentia Observatory, IE	daily rain	67.1 mm (2.6 in)	38.0 mm (1.5 in)	12 years	50 of 100 (Notable)
11 September 2015	Nuuanu Rsch 4 783, US	daily rain	158.5 mm (6.2 in)	67.6 mm (2.7 in)	12 years	50 of 100 (Notable)
11 September 2015	Paiko Drive 723.4, US	daily rain	47.8 mm (1.9 in)	34.6 mm (1.4 in)	22 years	50 of 100 (Notable)
11 September 2015	Gallivare_A, SE	monthly high max	24.1 C (75.4 F)	0.1 C (0.2 F)	95 years	48 of 100 (Notable)
11 September 2015	Saltville 1N, US	monthly rain	79.2 mm (3.1 in)	16.2 mm (0.6 in)	48 years	48 of 100 (Notable)
11 September 2015	Agalega, MU	daily rain	45.0 mm (1.8 in)	32.0 mm (1.3 in)	8 years	47 of 100 (Notable)
11 September 2015	Sosunovo, RU	daily rain	91.9 mm (3.6 in)	65.0 mm (2.6 in)	0 years	46 of 100 (Notable)
11 September 2015	Hetch Hetchy, US	daily high min	19.4 C (66.9 F)	2.7 C (4.9 F)	92 years	44 of 100 (Notable)
11 September 2015	Sacramento 5 ESE, US	daily high min	22.2 C (72.0 F)	1.1 C (2.0 F)	126 years	44 of 100 (Notable)
11 September 2015	Morro Bay Fire Dept, US	daily high min	22.2 C (72.0 F)	6.1 C (11.0 F)	32 years	43 of 100 (Notable)
11 September 2015	Tjukalinsk, RU	daily rain	27.9 mm (1.1 in)	11.6 mm (0.5 in)	42 years	42 of 100 (Notable)
11 September 2015	Chico UNIV Farm, US	daily high max	42.2 C (108.0 F)	1.1 C (2.0 F)	101 years	42 of 100 (Notable)
11 September 2015	Deland 1 SSE, US	daily high min	24.4 C (75.9 F)	0.5 C (0.9 F)	108 years	42 of 100 (Notable)
11 September 2015	Virginia City, US	daily high min	19.4 C (66.9 F)	1.1 C (2.0 F)	122 years	42 of 100 (Notable)
11 September 2015	Hamburg, US	daily rain	55.6 mm (2.2 in)	3.8 mm (0.15 in)	108 years	42 of 100 (Notable)
11 September 2015	Weslaco, US	daily high min	26.1 C (79.0 F)	1.1 C (2.0 F)	94 years	42 of 100 (Notable)

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 2015

Records set or tied on this calendar date in each year from 1809 to 2015. 2015 had 683 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 2015-09-11: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	516
10 to 20	28
20 to 30	7
30 to 40	5
40 to 50	5
50 to 60	1
60 to 70	2