Weather Records on 20 September 2008

648 weather records were set or tied worldwide on 20 September 2008. Highest significance: Stavropol (Amsg), RU.

Key Facts for 20 September 2008

On 20 September 2008, 648 weather records were set or tied at long-record stations worldwide.
347 were record highs and 203 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 637 daily.
Stavropol (Amsg) set a daily record precipitation of 39.6 mm (1.6 in) on 20 September 2008.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 441 records.

Record Map

648 stations

648 station records on 20 September 2008 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 2008: highest significance records shown on the map
Station	Country	Type	Value	Significance
Stavropol (Amsg)	Russia	Record daily precipitation	39.6 mm (1.6 in)	56 of 100 (Notable)
Potrerillos	Mexico	Record low minimum temperature	9.4 C (48.9 F)	53 of 100 (Notable)
Hissar	India	Record daily precipitation	77.0 mm (3.0 in)	52 of 100 (Notable)
Angel R. Cabada	Mexico	Record daily precipitation	297.7 mm (11.7 in)	51 of 100 (Notable)
Cork	Ireland	Record daily precipitation	69.9 mm (2.8 in)	48 of 100 (Notable)
Louisville	United States	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
State UNIV	United States	Record daily precipitation	72.4 mm (2.9 in)	46 of 100 (Notable)
Presa la Calera	Mexico	Record daily precipitation	79.8 mm (3.1 in)	45 of 100 (Notable)
Arad	Romania	Record low maximum temperature	11.2 C (52.2 F)	44 of 100 (Notable)
Ola	United States	Record high minimum temperature	12.8 C (55.0 F)	44 of 100 (Notable)
Heppner	United States	Record high minimum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Goshen Springs 3 NW	United States	Record daily precipitation	62.7 mm (2.5 in)	41 of 100 (Notable)
Ashton 1N	United States	Record high minimum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Pomeroy	United States	Record high maximum temperature	33.3 C (91.9 F)	40 of 100 (Notable)
Oshima	Japan	Record daily precipitation	158.5 mm (6.2 in)	39 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Nuuk	Greenland [Denmark]	Record high maximum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Quito	Mexico	Record high maximum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Florence	United States	Record high minimum temperature	27.8 C (82.0 F)	38 of 100 (Notable)
Joseph	United States	Record high minimum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Biskra	Algeria	Record high minimum temperature	27.3 C (81.1 F)	36 of 100 (Notable)
Miyakejima	Japan	Record daily precipitation	91.4 mm (3.6 in)	36 of 100 (Notable)
Edirne	Turkey	Record low minimum temperature	1.8 C (35.2 F)	35 of 100 (Notable)
Cooper Landing 5 W	United States	Record daily precipitation	49.5 mm (1.9 in)	35 of 100 (Notable)
Irozaki	Japan	Record daily precipitation	98.6 mm (3.9 in)	34 of 100 (Routine)
Coden	United States	Record daily precipitation	111.0 mm (4.4 in)	34 of 100 (Routine)
Katsuura	Japan	Record daily precipitation	103.9 mm (4.1 in)	33 of 100 (Routine)
Yurecuaro	Mexico	Record low minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Provo Byu	United States	Record high minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Rosalia	United States	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Patiala	India	Record low maximum temperature	26.9 C (80.4 F)	32 of 100 (Routine)
New Delhi/Safdarjun	India	Record low maximum temperature	27.4 C (81.3 F)	32 of 100 (Routine)
Omaezaki	Japan	Record daily precipitation	114.6 mm (4.5 in)	32 of 100 (Routine)
Arco	United States	Record high minimum temperature	10.0 C (50.0 F)	32 of 100 (Routine)
Tremonton	United States	Record high minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Hezuo	China	Record high maximum temperature	26.4 C (79.5 F)	31 of 100 (Routine)
Methoni	Greece	Record low maximum temperature	21.2 C (70.2 F)	31 of 100 (Routine)
Ixcamilpa (Cfe)	Mexico	Record low maximum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Jesus Carranza	Mexico	Record daily precipitation	61.0 mm (2.4 in)	31 of 100 (Routine)
Torrevieja	Spain	Record high minimum temperature	24.0 C (75.2 F)	30 of 100 (Routine)
Hysham	United States	Record high minimum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Ruo'ergai	China	Record high maximum temperature	23.7 C (74.7 F)	29 of 100 (Routine)
Guadalcazar	Mexico	Record high maximum temperature	32.8 C (91.0 F)	29 of 100 (Routine)
Belfast	United States	Record low minimum temperature	0.6 C (33.1 F)	29 of 100 (Routine)
Riverdale	United States	Record high minimum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Ladysmith 3W	United States	Record high maximum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Canberra Airport Comparison	Australia	Record high maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Songpan	China	Record high maximum temperature	28.0 C (82.4 F)	28 of 100 (Routine)
Neutla	Mexico	Record low maximum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Habarovsk	Russia	Record high maximum temperature	25.5 C (77.9 F)	28 of 100 (Routine)
Lawrence	United States	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Teloloapan	Mexico	Record daily precipitation	38.6 mm (1.5 in)	27 of 100 (Routine)
Miravalles	Mexico	Record low minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Blasillo	Mexico	Record daily precipitation	87.9 mm (3.5 in)	27 of 100 (Routine)
Crowley 2 NE	United States	Record low maximum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Richmond Raaf	Australia	Record high maximum temperature	32.6 C (90.7 F)	26 of 100 (Routine)
Turij Rog	Russia	Record high maximum temperature	24.5 C (76.1 F)	26 of 100 (Routine)
Walnut Grove	United States	Record daily precipitation	37.3 mm (1.5 in)	26 of 100 (Routine)
Conlen	United States	Record daily precipitation	39.4 mm (1.6 in)	26 of 100 (Routine)
Nouasseur	Morocco	Record high minimum temperature	20.0 C (68.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

648 records

Records set or tied on 20 September 2008 by type: Highest daily maximum 179, Lowest daily maximum 124, Highest daily minimum 168, Lowest daily minimum 79, Heaviest daily rainfall 98.

Records on 20 September 2008 by type
Record type	Records
Highest daily maximum	179
Lowest daily maximum	124
Highest daily minimum	168
Lowest daily minimum	79
Heaviest daily rainfall	98
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 2008 by timescale: all-time 0, monthly 11, daily 637.

How Much Records Were Beaten By

500 broken records

Margins by which the 500 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 165.4. Ties are not counted.

Top 20 by Significance

20 September 2008

Top 20 records on 20 September 2008 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 2008	Stavropol (Amsg), RU	daily rain	39.6 mm (1.6 in)	30.2 mm (1.2 in)	42 years	56 of 100 (Notable)
20 September 2008	Potrerillos, MX	daily low min	9.4 C (48.9 F)	5.6 C (10.1 F)	31 years	53 of 100 (Notable)
20 September 2008	Hissar, IN	daily rain	77.0 mm (3.0 in)	42.2 mm (1.7 in)	87 years	52 of 100 (Notable)
20 September 2008	Angel R. Cabada, MX	daily rain	297.7 mm (11.7 in)	165.4 mm (6.5 in)	37 years	51 of 100 (Notable)
20 September 2008	Cork, IE	daily rain	69.9 mm (2.8 in)	51.9 mm (2.0 in)	19 years	48 of 100 (Notable)
20 September 2008	Louisville, US	daily rain	42.2 mm (1.7 in)	15.5 mm (0.6 in)	109 years	48 of 100 (Notable)
20 September 2008	State UNIV, US	daily rain	72.4 mm (2.9 in)	24.6 mm (1.0 in)	76 years	46 of 100 (Notable)
20 September 2008	Presa la Calera, MX	daily rain	79.8 mm (3.1 in)	53.6 mm (2.1 in)	31 years	45 of 100 (Notable)
20 September 2008	Arad, RO	daily low max	11.2 C (52.2 F)	2.1 C (3.8 F)	104 years	44 of 100 (Notable)
20 September 2008	Ola, US	daily high min	12.8 C (55.0 F)	1.7 C (3.1 F)	107 years	44 of 100 (Notable)
20 September 2008	Heppner, US	daily high min	13.9 C (57.0 F)	1.1 C (2.0 F)	98 years	42 of 100 (Notable)
20 September 2008	Goshen Springs 3 NW, US	daily rain	62.7 mm (2.5 in)	34.8 mm (1.4 in)	61 years	41 of 100 (Notable)
20 September 2008	Ashton 1N, US	daily high min	10.0 C (50.0 F)	0.6 C (1.1 F)	99 years	40 of 100 (Notable)
20 September 2008	Pomeroy, US	daily high max	33.3 C (91.9 F)	0.5 C (0.9 F)	110 years	40 of 100 (Notable)
20 September 2008	Oshima, JP	daily rain	158.5 mm (6.2 in)	101.5 mm (4.0 in)	25 years	39 of 100 (Notable)
20 September 2008	Sydney (Observatory Hill), AU	daily high max	32.8 C (91.0 F)	1.9 C (3.4 F)	77 years	38 of 100 (Notable)
20 September 2008	Nuuk, GL	daily high max	15.6 C (60.1 F)	6.1 C (11.0 F)	46 years	38 of 100 (Notable)
20 September 2008	Quito, MX	daily high max	35.6 C (96.1 F)	3.4 C (6.1 F)	55 years	38 of 100 (Notable)
20 September 2008	Florence, US	daily high min	27.8 C (82.0 F)	1.7 C (3.1 F)	81 years	38 of 100 (Notable)
20 September 2008	Joseph, US	daily high min	10.6 C (51.1 F)	0.6 C (1.1 F)	90 years	38 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

1812 to 2008

Records set or tied on this calendar date in each year from 1812 to 2008. 2008 had 648 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 2008-09-20: 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	483
25 to 50	8
50 to 75	6
75 to 100	1
100 to 125	1
125 to 150	0
150 to 175	1