Weather Records on 18 September 2000

1,146 weather records were set or tied worldwide on 18 September 2000. Highest significance: Joao Pessoa, BR.

Key Facts for 18 September 2000

On 18 September 2000, 1,146 weather records were set or tied at long-record stations worldwide.
657 were record highs and 327 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 26 monthly and 1,117 daily.
Joao Pessoa set a daily record precipitation of 78.0 mm (3.1 in) on 18 September 2000.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 417 records.

Record Map

1,146 stations

1,146 station records on 18 September 2000 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 2000: highest significance records shown on the map
Station	Country	Type	Value	Significance
Joao Pessoa	Brazil	Record daily precipitation	78.0 mm (3.1 in)	70 of 100 (Major)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	326.9 mm (12.9 in)	70 of 100 (Major)
Askaniia Nova	Ukraine	Record daily precipitation	29.2 mm (1.1 in)	62 of 100 (Major)
San Ignacio	Mexico	Record daily precipitation	67.8 mm (2.7 in)	61 of 100 (Major)
Cross City 1 E	United States	Record daily precipitation	133.4 mm (5.3 in)	59 of 100 (Notable)
Juana Diaz Camp	Puerto Rico [United States]	Record daily precipitation	282.7 mm (11.1 in)	57 of 100 (Notable)
Cadege	Mexico	Record daily precipitation	39.9 mm (1.6 in)	55 of 100 (Notable)
Brookgreen Gardens	United States	Record daily precipitation	174.5 mm (6.9 in)	52 of 100 (Notable)
Sobolevo	Russia	Record daily precipitation	39.0 mm (1.5 in)	51 of 100 (Notable)
Corral Viejo	Puerto Rico [United States]	Record daily precipitation	203.2 mm (8.0 in)	50 of 100 (Notable)
Inverness 3 SE	United States	Record low maximum temperature	23.9 C (75.0 F)	50 of 100 (Notable)
Mt Holly 4 NE	United States	Record daily precipitation	40.6 mm (1.6 in)	50 of 100 (Notable)
El Paso de Iritu	Mexico	Record daily precipitation	89.9 mm (3.5 in)	49 of 100 (Notable)
Steinhatchee 6 ENE	United States	Record daily precipitation	118.1 mm (4.6 in)	48 of 100 (Notable)
Monroe 2 SE	United States	Record low maximum temperature	17.8 C (64.0 F)	48 of 100 (Notable)
Jasper	United States	Record daily precipitation	105.4 mm (4.1 in)	46 of 100 (Notable)
Jajome Alto	Puerto Rico [United States]	Record daily precipitation	127.0 mm (5.0 in)	45 of 100 (Notable)
Seneca	United States	Record high minimum temperature	12.2 C (54.0 F)	45 of 100 (Notable)
Yavorov	Ukraine	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Flora 5 NW	United States	Record low minimum temperature	-1.1 C (30.0 F)	44 of 100 (Notable)
Ellensburg	United States	Record high minimum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
Leroy 5 WSW	United States	Record high maximum temperature	37.2 C (99.0 F)	43 of 100 (Notable)
Santuck	United States	Record low maximum temperature	18.9 C (66.0 F)	43 of 100 (Notable)
Ft Duchesne	United States	Record high minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Arneiroz	Brazil	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
Castle Rock	United States	Record high maximum temperature	32.8 C (91.0 F)	42 of 100 (Notable)
Live Oak	United States	Record low maximum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Waynesboro 2 S	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Choteau	United States	Record high minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Brookings	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Northport	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Marion	United States	Record low minimum temperature	-2.2 C (28.0 F)	40 of 100 (Notable)
Stehekin 4 NW	United States	Record high minimum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Archer	United States	Record high minimum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Gunnedah Pool	Australia	Record high maximum temperature	30.2 C (86.4 F)	39 of 100 (Notable)
Aguirre	Puerto Rico [United States]	Record daily precipitation	146.1 mm (5.8 in)	39 of 100 (Notable)
Akron 4 E	United States	Record high minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Canal Pt USDA	United States	Record low maximum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Fortine 1 N	United States	Record high minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Harrison	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Cedar Butte	United States	Record high minimum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Centralia	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Peon Blanco	Mexico	Record low minimum temperature	2.8 C (37.0 F)	38 of 100 (Notable)
Storm Lake	United States	Record high maximum temperature	33.9 C (93.0 F)	38 of 100 (Notable)
Saint Ignatius	United States	Record high minimum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Alliance 1WNW	United States	Record high maximum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Cottonwood 2 E	United States	Record high maximum temperature	41.1 C (106.0 F)	38 of 100 (Notable)
De Smet	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Ft Bragg 5 N	United States	Record high maximum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
Rifle	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Avon Park 2 W	United States	Record low maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Live Oak	United States	Record daily precipitation	114.3 mm (4.5 in)	37 of 100 (Notable)
Paul 1ENE	United States	Record high minimum temperature	13.9 C (57.0 F)	37 of 100 (Notable)
Sheldon	United States	Record high maximum temperature	33.3 C (91.9 F)	37 of 100 (Notable)
Holter Dam	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Watertown Rgnl AP	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Tekax de Alvaro Obregon	Mexico	Record daily precipitation	77.0 mm (3.0 in)	36 of 100 (Notable)
Coamo 2 SW	Puerto Rico [United States]	Record daily precipitation	257.6 mm (10.1 in)	36 of 100 (Notable)
Kentfield	United States	Record high maximum temperature	38.3 C (100.9 F)	36 of 100 (Notable)
Archbold Bio STN	United States	Record low maximum temperature	25.0 C (77.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,146 records

Records set or tied on 18 September 2000 by type: Highest daily maximum 325, Lowest daily maximum 130, Highest daily minimum 332, Lowest daily minimum 197, Heaviest daily rainfall 161, Heaviest daily snowfall 1.

Records on 18 September 2000 by type
Record type	Records
Highest daily maximum	325
Lowest daily maximum	130
Highest daily minimum	332
Lowest daily minimum	197
Heaviest daily rainfall	161
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 18 September 2000 by timescale: all-time 3, monthly 26, daily 1,117.

How Much Records Were Beaten By

860 broken records

Margins by which the 860 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 180.6. Ties are not counted.

Top 20 by Significance

18 September 2000

Top 20 records on 18 September 2000 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 2000	Joao Pessoa, BR	daily rain	78.0 mm (3.1 in)	33.0 mm (1.3 in)	75 years	70 of 100 (Major)
18 September 2000	Ponce 4 E, PR	all-time rain	326.9 mm (12.9 in)	95.8 mm (3.8 in)	1 year	70 of 100 (Major)
18 September 2000	Askaniia Nova, UA	daily rain	29.2 mm (1.1 in)	18.5 mm (0.7 in)	85 years	62 of 100 (Major)
18 September 2000	San Ignacio, MX	daily rain	67.8 mm (2.7 in)	57.9 mm (2.3 in)	53 years	61 of 100 (Major)
18 September 2000	Cross City 1 E, US	daily rain	133.4 mm (5.3 in)	100.9 mm (4.0 in)	49 years	59 of 100 (Notable)
18 September 2000	Juana Diaz Camp, PR	daily rain	282.7 mm (11.1 in)	180.6 mm (7.1 in)	36 years	57 of 100 (Notable)
18 September 2000	Cadege, MX	daily rain	39.9 mm (1.6 in)	39.9 mm (1.6 in)	39 years	55 of 100 (Notable)
18 September 2000	Brookgreen Gardens, US	daily rain	174.5 mm (6.9 in)	121.9 mm (4.8 in)	31 years	52 of 100 (Notable)
18 September 2000	Sobolevo, RU	daily rain	39.0 mm (1.5 in)	22.7 mm (0.9 in)	44 years	51 of 100 (Notable)
18 September 2000	Corral Viejo, PR	daily rain	203.2 mm (8.0 in)	124.5 mm (4.9 in)	26 years	50 of 100 (Notable)
18 September 2000	Inverness 3 SE, US	daily low max	23.9 C (75.0 F)	2.8 C (5.0 F)	90 years	50 of 100 (Notable)
18 September 2000	Mt Holly 4 NE, US	daily rain	40.6 mm (1.6 in)	19.3 mm (0.8 in)	94 years	50 of 100 (Notable)
18 September 2000	El Paso de Iritu, MX	daily rain	89.9 mm (3.5 in)	65.0 mm (2.6 in)	13 years	49 of 100 (Notable)
18 September 2000	Steinhatchee 6 ENE, US	daily rain	118.1 mm (4.6 in)	72.4 mm (2.9 in)	38 years	48 of 100 (Notable)
18 September 2000	Monroe 2 SE, US	daily low max	17.8 C (64.0 F)	3.3 C (5.9 F)	100 years	48 of 100 (Notable)
18 September 2000	Jasper, US	daily rain	105.4 mm (4.1 in)	85.1 mm (3.4 in)	4 years	46 of 100 (Notable)
18 September 2000	Jajome Alto, PR	daily rain	127.0 mm (5.0 in)	76.2 mm (3.0 in)	34 years	45 of 100 (Notable)
18 September 2000	Seneca, US	daily high min	12.2 C (54.0 F)	5.0 C (9.0 F)	88 years	45 of 100 (Notable)
18 September 2000	Yavorov, UA	daily rain	30.0 mm (1.2 in)	20.7 mm (0.8 in)	17 years	44 of 100 (Notable)
18 September 2000	Flora 5 NW, US	daily low min	-1.1 C (30.0 F)	2.8 C (5.0 F)	99 years	44 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

1803 to 2000

Records set or tied on this calendar date in each year from 1803 to 2000. 2000 had 1,146 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 2000-09-18: 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 2026-10-16 (16 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	827
25 to 50	19
50 to 75	6
75 to 100	4
100 to 125	3
125 to 150	0
150 to 175	0
175 to 200	1