Weather Records on 7 September 1999

1,087 weather records were set or tied worldwide on 7 September 1999. Highest significance: Chernjaevo, RU.

Key Facts for 7 September 1999

On 7 September 1999, 1,087 weather records were set or tied at long-record stations worldwide.
688 were record highs and 202 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 59 monthly and 1,026 daily.
Chernjaevo set a monthly record daily precipitation of 84.7 mm (3.3 in) on 7 September 1999.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 447 records.

Record Map

1,087 stations

1,087 station records on 7 September 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 September 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chernjaevo	Russia	Record daily precipitation	84.7 mm (3.3 in)	70 of 100 (Major)
Williamsport Rgnl AP	United States	Record daily precipitation	159.8 mm (6.3 in)	62 of 100 (Major)
Kara-Tjurek	Russia	Record daily precipitation	36.2 mm (1.4 in)	59 of 100 (Notable)
Sunbury	United States	Record daily precipitation	87.6 mm (3.4 in)	59 of 100 (Notable)
Ust-Koksa	Russia	Record daily precipitation	29.7 mm (1.2 in)	57 of 100 (Notable)
Selinsgrove 2 S	United States	Record daily precipitation	123.2 mm (4.9 in)	57 of 100 (Notable)
Cedral	Mexico	Record daily precipitation	79.0 mm (3.1 in)	54 of 100 (Notable)
Covington 2 WSW	United States	Record daily precipitation	50.8 mm (2.0 in)	51 of 100 (Notable)
Rio Frio	Mexico	Record daily precipitation	114.8 mm (4.5 in)	50 of 100 (Notable)
Newcastle Nobbys Signal Statio	Australia	Record daily precipitation	45.0 mm (1.8 in)	48 of 100 (Notable)
Charcas (Smn)	Mexico	Record daily precipitation	77.5 mm (3.1 in)	48 of 100 (Notable)
Lindley 2N	United States	Record daily precipitation	82.6 mm (3.3 in)	48 of 100 (Notable)
Loksak	Russia	Record daily precipitation	42.9 mm (1.7 in)	47 of 100 (Notable)
Wellsboro 4 SW	United States	Record daily precipitation	44.5 mm (1.8 in)	46 of 100 (Notable)
Presa Adolfo Ruiz Cortinez (C	Mexico	Record daily precipitation	110.0 mm (4.3 in)	45 of 100 (Notable)
El Rusio	Mexico	Record daily precipitation	47.8 mm (1.9 in)	45 of 100 (Notable)
New Bedford Coop	United States	Record high minimum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Chemung	United States	Record daily precipitation	42.2 mm (1.7 in)	44 of 100 (Notable)
Cajon de Pea	Mexico	Record low maximum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Vanegas	Mexico	Record daily precipitation	89.9 mm (3.5 in)	43 of 100 (Notable)
Magdagaci	Russia	Record daily precipitation	55.9 mm (2.2 in)	43 of 100 (Notable)
Gonzalez	Mexico	Record daily precipitation	120.4 mm (4.7 in)	42 of 100 (Notable)
Ketchikan AP	United States	Record daily precipitation	64.8 mm (2.6 in)	42 of 100 (Notable)
Wrixum/Fohr	Germany	Record high minimum temperature	17.0 C (62.6 F)	41 of 100 (Notable)
Sabinas	Mexico	Record daily precipitation	119.4 mm (4.7 in)	41 of 100 (Notable)
Lowell	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Back Bay Wr	United States	Record daily precipitation	135.4 mm (5.3 in)	41 of 100 (Notable)
Amherst	United States	Record daily precipitation	33.5 mm (1.3 in)	40 of 100 (Notable)
Elmira	United States	Record daily precipitation	39.6 mm (1.6 in)	40 of 100 (Notable)
Montemorelos	Mexico	Record daily precipitation	84.8 mm (3.3 in)	39 of 100 (Notable)
Enfield	United States	Record daily precipitation	72.4 mm (2.9 in)	39 of 100 (Notable)
Francis E Walter Dam	United States	Record daily precipitation	60.2 mm (2.4 in)	39 of 100 (Notable)
Troy 1 NE	United States	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Mier Y Noriega (Smn)	Mexico	Record daily precipitation	58.9 mm (2.3 in)	38 of 100 (Notable)
Halmstad	Sweden	Record high maximum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Corning	United States	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Ahualulco	Mexico	Record daily precipitation	141.5 mm (5.6 in)	37 of 100 (Notable)
Flemington 5 NNW	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
La Ribera	Mexico	Record low maximum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Tula	Mexico	Record daily precipitation	64.8 mm (2.6 in)	35 of 100 (Notable)
Gridino	Russia	Record high maximum temperature	24.6 C (76.3 F)	35 of 100 (Notable)
Oceanside Marina	United States	Record low maximum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Lowville	United States	Record high minimum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Upper Sandusky	United States	Record daily precipitation	41.1 mm (1.6 in)	35 of 100 (Notable)
Oksoey Fyr	Norway	Record high minimum temperature	15.4 C (59.7 F)	34 of 100 (Routine)
Kem-Port	Russia	Record high maximum temperature	23.5 C (74.3 F)	34 of 100 (Routine)
La Servilleta	Mexico	Record low maximum temperature	23.9 C (75.0 F)	33 of 100 (Routine)
Vanersborg	Sweden	Record high maximum temperature	25.2 C (77.4 F)	33 of 100 (Routine)
Malvern	United Kingdom	Record high minimum temperature	14.7 C (58.5 F)	33 of 100 (Routine)
Bath	United States	Record daily precipitation	39.9 mm (1.6 in)	33 of 100 (Routine)
Ameca	Mexico	Record low maximum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Valentia Observatory	Ireland	Record daily precipitation	44.4 mm (1.7 in)	31 of 100 (Routine)
Rosillo	Mexico	Record daily precipitation	81.8 mm (3.2 in)	31 of 100 (Routine)
St. Petersburg	Russia	Record high maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Franklinville	United States	Record high minimum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Leavenworth 3 S	United States	Record low maximum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
San Felipe	Mexico	Record daily precipitation	104.9 mm (4.1 in)	30 of 100 (Routine)
Corrinchis II	Mexico	Record low maximum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
La Piedad de Cabadas (Dge)	Mexico	Record low maximum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Oaknolia 2N	United States	Record daily precipitation	85.9 mm (3.4 in)	30 of 100 (Routine)

Counts by Type and Timescale

1,087 records

Records set or tied on 7 September 1999 by type: Highest daily maximum 295, Lowest daily maximum 132, Highest daily minimum 393, Lowest daily minimum 70, Heaviest daily rainfall 196, Heaviest daily snowfall 1.

Records on 7 September 1999 by type
Record type	Records
Highest daily maximum	295
Lowest daily maximum	132
Highest daily minimum	393
Lowest daily minimum	70
Heaviest daily rainfall	196
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 7 September 1999 by timescale: all-time 2, monthly 59, daily 1,026.

How Much Records Were Beaten By

806 broken records

Margins by which the 806 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.0. Ties are not counted.

Top 20 by Significance

7 September 1999

Top 20 records on 7 September 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 September 1999	Chernjaevo, RU	monthly rain	84.7 mm (3.3 in)	33.2 mm (1.3 in)	37 years	70 of 100 (Major)
7 September 1999	Williamsport Rgnl AP, US	monthly rain	159.8 mm (6.3 in)	59.2 mm (2.3 in)	23 years	62 of 100 (Major)
7 September 1999	Kara-Tjurek, RU	daily rain	36.2 mm (1.4 in)	22.2 mm (0.9 in)	45 years	59 of 100 (Notable)
7 September 1999	Sunbury, US	daily rain	87.6 mm (3.4 in)	63.2 mm (2.5 in)	42 years	59 of 100 (Notable)
7 September 1999	Ust-Koksa, RU	daily rain	29.7 mm (1.2 in)	17.8 mm (0.7 in)	61 years	57 of 100 (Notable)
7 September 1999	Selinsgrove 2 S, US	all-time rain	123.2 mm (4.9 in)	9.4 mm (0.37 in)	69 years	57 of 100 (Notable)
7 September 1999	Cedral, MX	daily rain	79.0 mm (3.1 in)	46.2 mm (1.8 in)	38 years	54 of 100 (Notable)
7 September 1999	Covington 2 WSW, US	daily rain	50.8 mm (2.0 in)	36.1 mm (1.4 in)	40 years	51 of 100 (Notable)
7 September 1999	Rio Frio, MX	daily rain	114.8 mm (4.5 in)	86.9 mm (3.4 in)	29 years	50 of 100 (Notable)
7 September 1999	Newcastle Nobbys Signal Statio, AU	daily rain	45.0 mm (1.8 in)	10.7 mm (0.4 in)	135 years	48 of 100 (Notable)
7 September 1999	Charcas (Smn), MX	monthly rain	77.5 mm (3.1 in)	19.6 mm (0.8 in)	48 years	48 of 100 (Notable)
7 September 1999	Lindley 2N, US	monthly rain	82.6 mm (3.3 in)	31.0 mm (1.2 in)	6 years	48 of 100 (Notable)
7 September 1999	Loksak, RU	daily rain	42.9 mm (1.7 in)	21.6 mm (0.9 in)	32 years	47 of 100 (Notable)
7 September 1999	Wellsboro 4 SW, US	daily rain	44.5 mm (1.8 in)	18.6 mm (0.7 in)	69 years	46 of 100 (Notable)
7 September 1999	Presa Adolfo Ruiz Cortinez (C, MX	daily rain	110.0 mm (4.3 in)	71.1 mm (2.8 in)	5 years	45 of 100 (Notable)
7 September 1999	El Rusio, MX	daily rain	47.8 mm (1.9 in)	38.9 mm (1.5 in)	20 years	45 of 100 (Notable)
7 September 1999	New Bedford Coop, US	daily high min	22.8 C (73.0 F)	1.7 C (3.1 F)	100 years	44 of 100 (Notable)
7 September 1999	Chemung, US	daily rain	42.2 mm (1.7 in)	20.4 mm (0.8 in)	48 years	44 of 100 (Notable)
7 September 1999	Cajon de Pea, MX	daily low max	23.3 C (73.9 F)	5.6 C (10.1 F)	34 years	43 of 100 (Notable)
7 September 1999	Vanegas, MX	all-time rain	89.9 mm (3.5 in)	12.9 mm (0.5 in)	17 years	43 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

1802 to 1999

Records set or tied on this calendar date in each year from 1802 to 1999. 1999 had 1,087 records.

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

Records on 09-07 in each year
Year	Records
1802	2
1814	2
1816	1
1833	1
1845	2
1847	1
1848	1
1850	1
1852	1
1856	1
1859	1
1860	2
1861	1
1864	2
1865	3
1868	1
1870	1
1871	4
1872	3
1873	1
1877	4
1878	1
1879	1
1881	2
1882	1
1883	2
1886	1
1887	3
1888	1
1889	1
1890	2
1891	7
1892	3
1894	8
1895	7
1896	1
1897	2
1898	8
1899	3
1900	1
1901	6
1902	3
1903	7
1904	8
1905	20
1906	8
1907	5
1908	26
1909	11
1910	15
1911	20
1912	39
1913	20
1914	29
1915	28
1916	39
1917	44
1918	35
1919	184
1920	375
1921	80
1922	98
1923	125
1924	232
1925	303
1926	117
1927	147
1928	130
1929	355
1930	108
1931	400
1932	478
1933	287
1934	566
1935	275
1936	370
1937	260
1938	348
1939	634
1940	226
1941	451
1942	415
1943	591
1944	519
1945	482
1946	356
1947	625
1948	353
1949	705
1950	704
1951	342
1952	301
1953	446
1954	390
1955	405
1956	752
1957	498
1958	570
1959	583
1960	763
1961	312
1962	729
1963	448
1964	463
1965	672
1966	365
1967	535
1968	417
1969	696
1970	917
1971	648
1972	534
1973	674
1974	709
1975	423
1976	763
1977	674
1978	1,165
1979	583
1980	613
1981	622
1982	684
1983	1,235
1984	1,396
1985	1,459
1986	1,062
1987	956
1988	1,266
1989	553
1990	900
1991	957
1992	1,257
1993	720
1994	523
1995	1,093
1996	982
1997	799
1998	1,262
1999	1,087
2000	1,320
2001	1,068
2002	1,169
2003	768
2004	865
2005	708
2006	1,105
2007	1,171
2008	1,210
2009	713
2010	1,147
2011	1,452
2012	699
2013	981
2014	491
2015	637
2016	868
2017	966
2018	723
2019	743
2020	1,352
2021	794
2022	2,096
2023	1,116
2024	1,216
2025	711
2026	760

Download the Data

Data for records on 1999-09-07: 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	759
20 to 40	33
40 to 60	7
60 to 80	5
80 to 100	2