Weather Records on 27 September 2007

1,091 weather records were set or tied worldwide on 27 September 2007. Highest significance: Aachen, DE.

Key Facts for 27 September 2007

On 27 September 2007, 1,091 weather records were set or tied at long-record stations worldwide.
605 were record highs and 209 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 39 monthly and 1,048 daily.
Aachen set a daily record precipitation of 55.8 mm (2.2 in) on 27 September 2007.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 447 records.

Record Map

1,091 stations

1,091 station records on 27 September 2007 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aachen	Germany	Record daily precipitation	55.8 mm (2.2 in)	66 of 100 (Major)
Bad-Ahrweiler Neuenahr	Germany	Record daily precipitation	41.6 mm (1.6 in)	66 of 100 (Major)
Weilerswist-Lommersum	Germany	Record daily precipitation	44.2 mm (1.7 in)	61 of 100 (Major)
Schwarzburg	Germany	Record daily precipitation	49.5 mm (1.9 in)	61 of 100 (Major)
El Raudal	Mexico	Record daily precipitation	325.9 mm (12.8 in)	61 of 100 (Major)
Vaals	Netherlands	Record daily precipitation	49.5 mm (1.9 in)	61 of 100 (Major)
Erfurt-Bindersleben	Germany	Record daily precipitation	45.0 mm (1.8 in)	60 of 100 (Major)
Deuselbach	Germany	Record daily precipitation	38.1 mm (1.5 in)	58 of 100 (Notable)
Tenango de Doria	Mexico	Record daily precipitation	204.7 mm (8.1 in)	58 of 100 (Notable)
Fichtelberg	Germany	Record daily precipitation	55.1 mm (2.2 in)	56 of 100 (Notable)
Huauchinango	Mexico	Record daily precipitation	180.3 mm (7.1 in)	56 of 100 (Notable)
Pine Bluff	United States	Record daily precipitation	82.6 mm (3.3 in)	56 of 100 (Notable)
Wien	Austria	Record daily precipitation	34.6 mm (1.4 in)	54 of 100 (Notable)
Miltenberg	Germany	Record daily precipitation	37.0 mm (1.5 in)	54 of 100 (Notable)
Simmern-Wahlbach	Germany	Record daily precipitation	41.6 mm (1.6 in)	54 of 100 (Notable)
Dachwig	Germany	Record daily precipitation	45.1 mm (1.8 in)	54 of 100 (Notable)
Atotonilco	Mexico	Record daily precipitation	80.3 mm (3.2 in)	52 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	38.7 mm (1.5 in)	51 of 100 (Notable)
Ubachsberg	Netherlands	Record daily precipitation	36.0 mm (1.4 in)	51 of 100 (Notable)
Blankenrath	Germany	Record daily precipitation	38.6 mm (1.5 in)	50 of 100 (Notable)
Rinconada	Mexico	Record daily precipitation	121.9 mm (4.8 in)	50 of 100 (Notable)
Birx/Rhon	Germany	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
Bad Hersfeld	Germany	Record daily precipitation	42.0 mm (1.7 in)	48 of 100 (Notable)
Ruppertsecken	Germany	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Waltershausen	Germany	Record daily precipitation	33.8 mm (1.3 in)	48 of 100 (Notable)
Presa El Giron	Mexico	Record daily precipitation	53.8 mm (2.1 in)	48 of 100 (Notable)
Actopan	Mexico	Record daily precipitation	142.7 mm (5.6 in)	48 of 100 (Notable)
Mt Carmel	United States	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Schierke	Germany	Record daily precipitation	28.5 mm (1.1 in)	47 of 100 (Notable)
Bad Marienberg	Germany	Record daily precipitation	55.6 mm (2.2 in)	47 of 100 (Notable)
Xicotepec de Juarez	Mexico	Record daily precipitation	303.8 mm (12.0 in)	47 of 100 (Notable)
Emiliano Zapata (Cfe)	Mexico	Record daily precipitation	136.1 mm (5.4 in)	47 of 100 (Notable)
Clearwater Dam	United States	Record daily precipitation	152.4 mm (6.0 in)	47 of 100 (Notable)
Sontra	Germany	Record daily precipitation	27.6 mm (1.1 in)	46 of 100 (Notable)
Tann/Rhon	Germany	Record daily precipitation	35.5 mm (1.4 in)	46 of 100 (Notable)
Weimar-Schondorf	Germany	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
San Lorenzo Sayula	Mexico	Record daily precipitation	79.0 mm (3.1 in)	46 of 100 (Notable)
Presa Tezoyo	Mexico	Record daily precipitation	59.9 mm (2.4 in)	46 of 100 (Notable)
Calera	Mexico	Record high minimum temperature	22.2 C (72.0 F)	46 of 100 (Notable)
Santiago Zautla (Cfe)	Mexico	Record daily precipitation	70.1 mm (2.8 in)	46 of 100 (Notable)
Naolinco de Victoria	Mexico	Record daily precipitation	128.3 mm (5.1 in)	46 of 100 (Notable)
Williamsville	United States	Record daily precipitation	119.4 mm (4.7 in)	46 of 100 (Notable)
Kall-Sistig	Germany	Record daily precipitation	82.7 mm (3.3 in)	45 of 100 (Notable)
Poza Rica	Mexico	Record daily precipitation	159.5 mm (6.3 in)	45 of 100 (Notable)
Valkenburg (L)	Netherlands	Record daily precipitation	35.2 mm (1.4 in)	45 of 100 (Notable)
Gardiner	United States	Record high maximum temperature	31.7 C (89.1 F)	45 of 100 (Notable)
Friedrichsbrunn	Germany	Record daily precipitation	29.5 mm (1.2 in)	44 of 100 (Notable)
Niederworresbach	Germany	Record daily precipitation	34.5 mm (1.4 in)	44 of 100 (Notable)
Szombathely	Hungary	Record daily precipitation	26.1 mm (1.0 in)	44 of 100 (Notable)
Presa El Bosque (Cfe)	Mexico	Record low minimum temperature	6.7 C (44.1 F)	44 of 100 (Notable)
Calipan	Mexico	Record daily precipitation	86.9 mm (3.4 in)	44 of 100 (Notable)
Potchefstroom	South Africa	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Wanakena Rngr School	United States	Record high maximum temperature	30.6 C (87.1 F)	44 of 100 (Notable)
Towanda 1 S	United States	Record high maximum temperature	31.7 C (89.1 F)	44 of 100 (Notable)
Simao	China	Record daily precipitation	50.4 mm (2.0 in)	43 of 100 (Notable)
Selinsgrove 2 S	United States	Record high maximum temperature	34.4 C (93.9 F)	43 of 100 (Notable)
Mangareva	French Polynesia	Record daily precipitation	69.1 mm (2.7 in)	42 of 100 (Notable)
Schneifelforsthaus	Germany	Record daily precipitation	44.9 mm (1.8 in)	42 of 100 (Notable)
Norfolk 2 SW	United States	Record high minimum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Amherst	United States	Record high maximum temperature	32.8 C (91.0 F)	42 of 100 (Notable)

Counts by Type and Timescale

1,091 records

Records set or tied on 27 September 2007 by type: Highest daily maximum 328, Lowest daily maximum 139, Highest daily minimum 277, Lowest daily minimum 70, Heaviest daily rainfall 277.

Records on 27 September 2007 by type
Record type	Records
Highest daily maximum	328
Lowest daily maximum	139
Highest daily minimum	277
Lowest daily minimum	70
Heaviest daily rainfall	277
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 September 2007 by timescale: all-time 4, monthly 39, daily 1,048.

How Much Records Were Beaten By

867 broken records

Margins by which the 867 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 192.0. Ties are not counted.

Top 20 by Significance

27 September 2007

Top 20 records on 27 September 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 2007	Aachen, DE	daily rain	55.8 mm (2.2 in)	40.1 mm (1.6 in)	54 years	66 of 100 (Major)
27 September 2007	Bad-Ahrweiler Neuenahr, DE	daily rain	41.6 mm (1.6 in)	28.2 mm (1.1 in)	64 years	66 of 100 (Major)
27 September 2007	Weilerswist-Lommersum, DE	daily rain	44.2 mm (1.7 in)	28.3 mm (1.1 in)	38 years	61 of 100 (Major)
27 September 2007	Schwarzburg, DE	daily rain	49.5 mm (1.9 in)	24.0 mm (0.9 in)	54 years	61 of 100 (Major)
27 September 2007	El Raudal, MX	all-time rain	325.9 mm (12.8 in)	84.1 mm (3.3 in)	43 years	61 of 100 (Major)
27 September 2007	Vaals, NL	daily rain	49.5 mm (1.9 in)	33.0 mm (1.3 in)	54 years	61 of 100 (Major)
27 September 2007	Erfurt-Bindersleben, DE	daily rain	45.0 mm (1.8 in)	19.5 mm (0.8 in)	54 years	60 of 100 (Major)
27 September 2007	Deuselbach, DE	daily rain	38.1 mm (1.5 in)	20.3 mm (0.8 in)	64 years	58 of 100 (Notable)
27 September 2007	Tenango de Doria, MX	daily rain	204.7 mm (8.1 in)	126.2 mm (5.0 in)	40 years	58 of 100 (Notable)
27 September 2007	Fichtelberg, DE	daily rain	55.1 mm (2.2 in)	39.3 mm (1.5 in)	22 years	56 of 100 (Notable)
27 September 2007	Huauchinango, MX	daily rain	180.3 mm (7.1 in)	121.4 mm (4.8 in)	26 years	56 of 100 (Notable)
27 September 2007	Pine Bluff, US	daily rain	82.6 mm (3.3 in)	29.0 mm (1.1 in)	110 years	56 of 100 (Notable)
27 September 2007	Wien, AT	daily rain	34.6 mm (1.4 in)	10.4 mm (0.4 in)	104 years	54 of 100 (Notable)
27 September 2007	Miltenberg, DE	daily rain	37.0 mm (1.5 in)	19.6 mm (0.8 in)	42 years	54 of 100 (Notable)
27 September 2007	Simmern-Wahlbach, DE	daily rain	41.6 mm (1.6 in)	18.5 mm (0.7 in)	50 years	54 of 100 (Notable)
27 September 2007	Dachwig, DE	daily rain	45.1 mm (1.8 in)	34.3 mm (1.4 in)	30 years	54 of 100 (Notable)
27 September 2007	Atotonilco, MX	daily rain	80.3 mm (3.2 in)	52.9 mm (2.1 in)	30 years	52 of 100 (Notable)
27 September 2007	Altastenberg, DE	daily rain	38.7 mm (1.5 in)	13.1 mm (0.5 in)	81 years	51 of 100 (Notable)
27 September 2007	Ubachsberg, NL	daily rain	36.0 mm (1.4 in)	22.1 mm (0.9 in)	41 years	51 of 100 (Notable)
27 September 2007	Blankenrath, DE	daily rain	38.6 mm (1.5 in)	16.1 mm (0.6 in)	54 years	50 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

1799 to 2007

Records set or tied on this calendar date in each year from 1799 to 2007. 2007 had 1,091 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 2007-09-27: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 25	815
25 to 50	35
50 to 75	9
75 to 100	4
100 to 125	2
125 to 150	1
150 to 175	0
175 to 200	1