Weather Records on 15 September 2012

568 weather records were set or tied worldwide on 15 September 2012. Highest significance: Agua Nueva, MX.

Key Facts for 15 September 2012

On 15 September 2012, 568 weather records were set or tied at long-record stations worldwide.
230 were record highs and 238 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 14 monthly and 552 daily.
Agua Nueva set a daily record precipitation of 65.0 mm (2.6 in) on 15 September 2012.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 412 records.

Record Map

568 stations

568 station records on 15 September 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Agua Nueva	Mexico	Record daily precipitation	65.0 mm (2.6 in)	53 of 100 (Notable)
Sonora	United States	Record low maximum temperature	18.9 C (66.0 F)	53 of 100 (Notable)
El Refugio	Mexico	Record daily precipitation	146.3 mm (5.8 in)	50 of 100 (Notable)
Colonia Grever la Colorada	Mexico	Record daily precipitation	48.0 mm (1.9 in)	50 of 100 (Notable)
Paradise	United States	Record low maximum temperature	18.3 C (64.9 F)	50 of 100 (Notable)
Watonga	United States	Record low maximum temperature	14.4 C (57.9 F)	48 of 100 (Notable)
Menard	United States	Record low maximum temperature	19.4 C (66.9 F)	45 of 100 (Notable)
Minden	United States	Record daily precipitation	55.6 mm (2.2 in)	44 of 100 (Notable)
Cleburne	United States	Record low maximum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Junction 4SSW	United States	Record low maximum temperature	19.4 C (66.9 F)	44 of 100 (Notable)
Nochistlan	Mexico	Record daily precipitation	41.1 mm (1.6 in)	41 of 100 (Notable)
Redlands	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Seymour 1 WSW	United States	Record low maximum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Roy	United States	Record low minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Los Angeles Downtown/Usc	United States	Record high maximum temperature	39.4 C (102.9 F)	41 of 100 (Notable)
Nemuro	Japan	Record high minimum temperature	21.2 C (70.2 F)	40 of 100 (Notable)
San Angelo	United States	Record low maximum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Manuel Avila Camacho	Mexico	Record low minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Mandujano	Mexico	Record daily precipitation	45.5 mm (1.8 in)	39 of 100 (Notable)
El Cazadero	Mexico	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Eden	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Midland 4 ENE	United States	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Yugarenok	Russia	Record daily precipitation	25.3 mm (1.0 in)	38 of 100 (Notable)
Lemon Cove	United States	Record high maximum temperature	40.6 C (105.1 F)	38 of 100 (Notable)
Carrizo Springs 3S	United States	Record low maximum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Dolinovka	Russia	Record daily precipitation	31.4 mm (1.2 in)	37 of 100 (Notable)
Ada	United States	Record high maximum temperature	30.0 C (86.0 F)	37 of 100 (Notable)
Huajimic	Mexico	Record high maximum temperature	36.7 C (98.1 F)	36 of 100 (Notable)
El Gallo	Mexico	Record daily precipitation	45.5 mm (1.8 in)	35 of 100 (Notable)
Sosnovka-1	Russia	Record daily precipitation	49.6 mm (2.0 in)	35 of 100 (Notable)
Odell 2 N	United States	Record daily precipitation	80.0 mm (3.1 in)	35 of 100 (Notable)
Snyder	United States	Record low maximum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Ocozocoautla	Mexico	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
San Pedro	Mexico	Record daily precipitation	53.8 mm (2.1 in)	33 of 100 (Routine)
Roque	Mexico	Record daily precipitation	29.5 mm (1.2 in)	33 of 100 (Routine)
Tehuehuetla	Mexico	Record daily precipitation	63.5 mm (2.5 in)	33 of 100 (Routine)
Lake Maumelle	United States	Record daily precipitation	82.6 mm (3.3 in)	33 of 100 (Routine)
Denton 2 SE	United States	Record low maximum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Kushiro	Japan	Record high maximum temperature	25.9 C (78.6 F)	32 of 100 (Routine)
Nuevo Morelos	Mexico	Record daily precipitation	106.9 mm (4.2 in)	32 of 100 (Routine)
Brusdalsvatn II	Norway	Record daily precipitation	55.0 mm (2.2 in)	32 of 100 (Routine)
Kirensk	Russia	Record high maximum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Irkutsk	Russia	Record high maximum temperature	24.5 C (76.1 F)	32 of 100 (Routine)
Ft Ross	United States	Record low maximum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Bulverde	United States	Record daily precipitation	86.4 mm (3.4 in)	32 of 100 (Routine)
Graham	United States	Record low maximum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Spur	United States	Record low maximum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Asahikawa	Japan	Record high maximum temperature	30.4 C (86.7 F)	31 of 100 (Routine)
Norman 3SSE	United States	Record low maximum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Las Vegas Muni AP	United States	Record low minimum temperature	0.6 C (33.1 F)	31 of 100 (Routine)
Sapporo	Japan	Record high maximum temperature	30.7 C (87.3 F)	30 of 100 (Routine)
Chihuahua	Mexico	Record low maximum temperature	17.0 C (62.6 F)	30 of 100 (Routine)
San Antonio del Cipres	Mexico	Record daily precipitation	32.8 mm (1.3 in)	30 of 100 (Routine)
Petropavlovskij Majak	Russia	Record daily precipitation	43.3 mm (1.7 in)	30 of 100 (Routine)
Durban Intl	South Africa	Record daily precipitation	33.3 mm (1.3 in)	30 of 100 (Routine)
Morrilton	United States	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Flatonia 4SE	United States	Record low maximum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Gail	United States	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Weatherford	United States	Record low maximum temperature	17.2 C (63.0 F)	30 of 100 (Routine)
Midland Odessa	United States	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)

Counts by Type and Timescale

568 records

Records set or tied on 15 September 2012 by type: Highest daily maximum 131, Lowest daily maximum 141, Highest daily minimum 99, Lowest daily minimum 97, Heaviest daily rainfall 100.

Records on 15 September 2012 by type
Record type	Records
Highest daily maximum	131
Lowest daily maximum	141
Highest daily minimum	99
Lowest daily minimum	97
Heaviest daily rainfall	100
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 2012 by timescale: all-time 2, monthly 14, daily 552.

How Much Records Were Beaten By

435 broken records

Margins by which the 435 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 117.1. Ties are not counted.

Top 20 by Significance

15 September 2012

Top 20 records on 15 September 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 2012	Agua Nueva, MX	daily rain	65.0 mm (2.6 in)	40.1 mm (1.6 in)	48 years	53 of 100 (Notable)
15 September 2012	Sonora, US	daily low max	18.9 C (66.0 F)	5.0 C (9.0 F)	108 years	53 of 100 (Notable)
15 September 2012	El Refugio, MX	daily rain	146.3 mm (5.8 in)	117.1 mm (4.6 in)	21 years	50 of 100 (Notable)
15 September 2012	Colonia Grever la Colorada, MX	daily rain	48.0 mm (1.9 in)	39.6 mm (1.6 in)	21 years	50 of 100 (Notable)
15 September 2012	Paradise, US	daily low max	18.3 C (64.9 F)	3.4 C (6.1 F)	97 years	50 of 100 (Notable)
15 September 2012	Watonga, US	daily low max	14.4 C (57.9 F)	4.5 C (8.1 F)	109 years	48 of 100 (Notable)
15 September 2012	Menard, US	daily low max	19.4 C (66.9 F)	2.3 C (4.1 F)	108 years	45 of 100 (Notable)
15 September 2012	Minden, US	daily rain	55.6 mm (2.2 in)	17.2 mm (0.7 in)	82 years	44 of 100 (Notable)
15 September 2012	Cleburne, US	daily low max	18.9 C (66.0 F)	2.2 C (4.0 F)	99 years	44 of 100 (Notable)
15 September 2012	Junction 4SSW, US	daily low max	19.4 C (66.9 F)	5.0 C (9.0 F)	74 years	44 of 100 (Notable)
15 September 2012	Nochistlan, MX	daily rain	41.1 mm (1.6 in)	23.8 mm (0.9 in)	40 years	41 of 100 (Notable)
15 September 2012	Redlands, US	daily high min	20.6 C (69.1 F)	0.6 C (1.1 F)	103 years	41 of 100 (Notable)
15 September 2012	Seymour 1 WSW, US	daily low max	18.9 C (66.0 F)	0.5 C (0.9 F)	108 years	41 of 100 (Notable)
15 September 2012	Roy, US	daily low min	2.8 C (37.0 F)	1.1 C (2.0 F)	96 years	41 of 100 (Notable)
15 September 2012	Los Angeles Downtown/Usc, US	daily high max	39.4 C (102.9 F)	0.5 C (0.9 F)	103 years	41 of 100 (Notable)
15 September 2012	Nemuro, JP	monthly high min	21.2 C (70.2 F)	0.2 C (0.4 F)	74 years	40 of 100 (Notable)
15 September 2012	San Angelo, US	daily low max	21.1 C (70.0 F)	0.6 C (1.1 F)	99 years	40 of 100 (Notable)
15 September 2012	Manuel Avila Camacho, MX	daily low min	11.7 C (53.1 F)	1.1 C (2.0 F)	90 years	39 of 100 (Notable)
15 September 2012	Mandujano, MX	daily rain	45.5 mm (1.8 in)	26.2 mm (1.0 in)	41 years	39 of 100 (Notable)
15 September 2012	El Cazadero, MX	daily rain	31.0 mm (1.2 in)	18.0 mm (0.7 in)	49 years	39 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

1797 to 2012

Records set or tied on this calendar date in each year from 1797 to 2012. 2012 had 568 records.

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

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 2012-09-15: 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 20	416
20 to 40	15
40 to 60	2
60 to 80	1
80 to 100	0
100 to 120	1