Weather Records on 1 September 2007

976 weather records were set or tied worldwide on 1 September 2007. Highest significance: Aldan, RU.

Key Facts for 1 September 2007

On 1 September 2007, 976 weather records were set or tied at long-record stations worldwide.
506 were record highs and 311 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 96 monthly and 875 daily.
Aldan set a daily record precipitation of 56.1 mm (2.2 in) on 1 September 2007.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 438 records.

Record Map

976 stations

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

Weather records on 1 September 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aldan	Russia	Record daily precipitation	56.1 mm (2.2 in)	61 of 100 (Major)
Lysebotn	Norway	Record daily precipitation	72.8 mm (2.9 in)	55 of 100 (Notable)
Buena Vista	United States	Record daily precipitation	89.7 mm (3.5 in)	55 of 100 (Notable)
Martinsville Fltr Plt	United States	Record daily precipitation	86.4 mm (3.4 in)	55 of 100 (Notable)
Hazlehurst	United States	Record daily precipitation	78.7 mm (3.1 in)	52 of 100 (Notable)
San Martin Chalchicuautla	Mexico	Record daily precipitation	161.3 mm (6.4 in)	51 of 100 (Notable)
Bjorheim I Ryfylke	Norway	Record daily precipitation	61.8 mm (2.4 in)	51 of 100 (Notable)
Mt Airy 2 W	United States	Record daily precipitation	57.2 mm (2.3 in)	51 of 100 (Notable)
Nedre Vats	Norway	Record daily precipitation	68.4 mm (2.7 in)	50 of 100 (Notable)
Port Townsend	United States	Record high minimum temperature	16.7 C (62.1 F)	50 of 100 (Notable)
Monticello 2E	United States	Record high minimum temperature	20.0 C (68.0 F)	48 of 100 (Notable)
Santiaguillo	Mexico	Record daily precipitation	178.8 mm (7.0 in)	47 of 100 (Notable)
San Bernardino Lagunas	Mexico	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
Calera	Mexico	Record high maximum temperature	35.0 C (95.0 F)	44 of 100 (Notable)
Gallinas	Mexico	Record daily precipitation	138.9 mm (5.5 in)	44 of 100 (Notable)
Harnosand	Sweden	Record low minimum temperature	0.2 C (32.4 F)	43 of 100 (Notable)
Evergreen	United States	Record daily precipitation	49.5 mm (1.9 in)	43 of 100 (Notable)
Merced	United States	Record high minimum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Jokkmokk	Sweden	Record low minimum temperature	-5.0 C (23.0 F)	42 of 100 (Notable)
Alpine	United States	Record daily precipitation	34.3 mm (1.4 in)	42 of 100 (Notable)
Johnson Rch	United States	Record daily precipitation	25.1 mm (1.0 in)	42 of 100 (Notable)
Rosendal	Norway	Record daily precipitation	51.6 mm (2.0 in)	41 of 100 (Notable)
Ostrov Vrangelja	Russia	Record high minimum temperature	9.1 C (48.4 F)	41 of 100 (Notable)
Westcliffe	United States	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Ft Stewart	United States	Record daily precipitation	81.5 mm (3.2 in)	41 of 100 (Notable)
Ola	United States	Record high minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Altamira	Mexico	Record daily precipitation	194.6 mm (7.7 in)	40 of 100 (Notable)
Ciudad Santos	Mexico	Record daily precipitation	210.3 mm (8.3 in)	40 of 100 (Notable)
Pitea	Sweden	Record low minimum temperature	-0.2 C (31.6 F)	40 of 100 (Notable)
Daytona Beach	United States	Record daily precipitation	55.9 mm (2.2 in)	40 of 100 (Notable)
Woodruff	United States	Record high maximum temperature	32.2 C (90.0 F)	40 of 100 (Notable)
El Pueblito	Mexico	Record daily precipitation	54.9 mm (2.2 in)	38 of 100 (Notable)
Helland I Gjesdal	Norway	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
Alejskaja	Russia	Record high minimum temperature	16.6 C (61.9 F)	38 of 100 (Notable)
Kanku	Russia	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Redig 11 NE	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
San Juan Bautista Cuicatlan (	Mexico	Record low maximum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Balcon Diablo	Mexico	Record high maximum temperature	30.6 C (87.1 F)	37 of 100 (Notable)
Huejotzingo	Mexico	Record low minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Santa Cruz	Mexico	Record daily precipitation	200.7 mm (7.9 in)	37 of 100 (Notable)
Falun	Sweden	Record low minimum temperature	0.0 C (32.0 F)	37 of 100 (Notable)
Gyzylarbat	Turkmenistan	Record high minimum temperature	26.9 C (80.4 F)	37 of 100 (Notable)
Castle Hot Springs	United States	Record high minimum temperature	28.3 C (82.9 F)	37 of 100 (Notable)
Rienhardt Rch	United States	Record daily precipitation	38.6 mm (1.5 in)	37 of 100 (Notable)
Morioka	Japan	Record daily precipitation	44.5 mm (1.8 in)	36 of 100 (Notable)
San Felipe	Mexico	Record high maximum temperature	41.7 C (107.1 F)	36 of 100 (Notable)
El Derrame	Mexico	Record low minimum temperature	3.9 C (39.0 F)	36 of 100 (Notable)
Quito	Mexico	Record low minimum temperature	12.8 C (55.0 F)	36 of 100 (Notable)
Huimilpan	Mexico	Record daily precipitation	64.5 mm (2.5 in)	36 of 100 (Notable)
Oltedal	Norway	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)
Hetch Hetchy	United States	Record high minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Stockton AP	United States	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Victoria Valley (Glenrowan)	Australia	Record daily precipitation	26.8 mm (1.1 in)	35 of 100 (Notable)
Tamapatz	Mexico	Record daily precipitation	198.9 mm (7.8 in)	35 of 100 (Notable)
Omsk	Russia	Record high minimum temperature	19.3 C (66.7 F)	35 of 100 (Notable)
Litchfield Park	United States	Record high minimum temperature	29.4 C (84.9 F)	35 of 100 (Notable)
Grass Range	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Cody 12SE	United States	Record high minimum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Hundseid I Vikedal	Norway	Record daily precipitation	76.2 mm (3.0 in)	34 of 100 (Routine)
Lemmon	United States	Record high minimum temperature	20.0 C (68.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

976 records

Records set or tied on 1 September 2007 by type: Highest daily maximum 213, Lowest daily maximum 165, Highest daily minimum 293, Lowest daily minimum 146, Heaviest daily rainfall 159.

Records on 1 September 2007 by type
Record type	Records
Highest daily maximum	213
Lowest daily maximum	165
Highest daily minimum	293
Lowest daily minimum	146
Heaviest daily rainfall	159
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 2007 by timescale: all-time 5, monthly 96, daily 875.

How Much Records Were Beaten By

692 broken records

Margins by which the 692 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 134.6. Ties are not counted.

Top 20 by Significance

1 September 2007

Top 20 records on 1 September 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 2007	Aldan, RU	daily rain	56.1 mm (2.2 in)	27.3 mm (1.1 in)	48 years	61 of 100 (Major)
1 September 2007	Lysebotn, NO	daily rain	72.8 mm (2.9 in)	24.8 mm (1.0 in)	84 years	55 of 100 (Notable)
1 September 2007	Buena Vista, US	daily rain	89.7 mm (3.5 in)	51.1 mm (2.0 in)	54 years	55 of 100 (Notable)
1 September 2007	Martinsville Fltr Plt, US	daily rain	86.4 mm (3.4 in)	57.2 mm (2.3 in)	57 years	55 of 100 (Notable)
1 September 2007	Hazlehurst, US	daily rain	78.7 mm (3.1 in)	61.7 mm (2.4 in)	56 years	52 of 100 (Notable)
1 September 2007	San Martin Chalchicuautla, MX	daily rain	161.3 mm (6.4 in)	103.9 mm (4.1 in)	37 years	51 of 100 (Notable)
1 September 2007	Bjorheim I Ryfylke, NO	daily rain	61.8 mm (2.4 in)	40.9 mm (1.6 in)	20 years	51 of 100 (Notable)
1 September 2007	Mt Airy 2 W, US	daily rain	57.2 mm (2.3 in)	18.8 mm (0.7 in)	113 years	51 of 100 (Notable)
1 September 2007	Nedre Vats, NO	daily rain	68.4 mm (2.7 in)	45.4 mm (1.8 in)	36 years	50 of 100 (Notable)
1 September 2007	Port Townsend, US	daily high min	16.7 C (62.1 F)	2.3 C (4.1 F)	113 years	50 of 100 (Notable)
1 September 2007	Monticello 2E, US	monthly high min	20.0 C (68.0 F)	2.8 C (5.0 F)	72 years	48 of 100 (Notable)
1 September 2007	Santiaguillo, MX	daily rain	178.8 mm (7.0 in)	134.6 mm (5.3 in)	13 years	47 of 100 (Notable)
1 September 2007	San Bernardino Lagunas, MX	daily rain	49.8 mm (2.0 in)	29.2 mm (1.1 in)	32 years	45 of 100 (Notable)
1 September 2007	Calera, MX	monthly high max	35.0 C (95.0 F)	3.3 C (5.9 F)	44 years	44 of 100 (Notable)
1 September 2007	Gallinas, MX	daily rain	138.9 mm (5.5 in)	91.7 mm (3.6 in)	44 years	44 of 100 (Notable)
1 September 2007	Harnosand, SE	daily low min	0.2 C (32.4 F)	1.3 C (2.3 F)	100 years	43 of 100 (Notable)
1 September 2007	Evergreen, US	daily rain	49.5 mm (1.9 in)	25.4 mm (1.0 in)	74 years	43 of 100 (Notable)
1 September 2007	Merced, US	daily high min	22.8 C (73.0 F)	2.2 C (4.0 F)	86 years	43 of 100 (Notable)
1 September 2007	Jokkmokk, SE	daily low min	-5.0 C (23.0 F)	1.0 C (1.8 F)	124 years	42 of 100 (Notable)
1 September 2007	Alpine, US	daily rain	34.3 mm (1.4 in)	8.9 mm (0.35 in)	73 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

1797 to 2007

Records set or tied on this calendar date in each year from 1797 to 2007. 2007 had 976 records.

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

Records on 09-01 in each year
Year	Records
1797	1
1806	1
1819	1
1827	1
1831	1
1838	1
1851	1
1853	1
1854	1
1857	1
1858	1
1859	1
1860	2
1861	1
1865	1
1866	1
1867	2
1869	3
1871	1
1873	1
1876	2
1877	2
1878	3
1879	2
1881	5
1883	1
1886	3
1887	3
1888	2
1890	2
1892	2
1894	3
1897	4
1898	10
1899	3
1900	2
1901	14
1902	5
1903	16
1904	9
1905	6
1906	26
1907	14
1908	26
1909	34
1910	22
1911	16
1912	47
1913	32
1914	23
1915	46
1916	16
1917	24
1918	31
1919	19
1920	31
1921	46
1922	67
1923	75
1924	210
1925	127
1926	182
1927	136
1928	166
1929	324
1930	264
1931	233
1932	550
1933	622
1934	654
1935	584
1936	385
1937	502
1938	373
1939	303
1940	333
1941	497
1942	532
1943	578
1944	377
1945	497
1946	642
1947	555
1948	460
1949	1,102
1950	849
1951	668
1952	644
1953	937
1954	407
1955	413
1956	504
1957	320
1958	427
1959	519
1960	408
1961	531
1962	368
1963	416
1964	621
1965	657
1966	596
1967	1,263
1968	604
1969	493
1970	502
1971	464
1972	518
1973	874
1974	895
1975	939
1976	627
1977	500
1978	809
1979	459
1980	671
1981	649
1982	642
1983	1,167
1984	619
1985	901
1986	964
1987	909
1988	651
1989	823
1990	749
1991	687
1992	1,010
1993	1,122
1994	1,291
1995	1,165
1996	823
1997	1,161
1998	1,159
1999	925
2000	1,613
2001	904
2002	778
2003	1,254
2004	827
2005	901
2006	1,157
2007	976
2008	1,204
2009	1,003
2010	1,313
2011	1,071
2012	874
2013	775
2014	515
2015	661
2016	522
2017	686
2018	399
2019	800
2020	689
2021	751
2022	1,016
2023	720
2024	938
2025	359
2026	521

Download the Data

Data for records on 2007-09-01: 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	635
20 to 40	35
40 to 60	12
60 to 80	1
80 to 100	3
100 to 120	4
120 to 140	2