Weather Records on 20 September 2026

682 weather records were set or tied worldwide on 20 September 2026. Highest significance: Paw Paw 2S, US.

Key Facts for 20 September 2026

On 20 September 2026, 682 weather records were set or tied at long-record stations worldwide.
493 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 13 monthly and 668 daily.
Paw Paw 2S set a daily record precipitation of 112.8 mm (4.4 in) on 20 September 2026 (provisional).
Across 156 earlier years (1812 to 2025) the same calendar date averaged 441 records.

Record Map

682 stations

682 station records on 20 September 2026 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 2026: highest significance records shown on the map
Station	Country	Type	Value	Significance
Paw Paw 2S	United States	Record daily precipitation	112.8 mm (4.4 in)	80 of 100 (Exceptional)
Walterboro 1 SW	United States	Record daily precipitation	100.3 mm (3.9 in)	74 of 100 (Major)
Zoseni	Latvia	Record daily precipitation	41.0 mm (1.6 in)	71 of 100 (Major)
Tooma	Estonia	Record daily precipitation	41.0 mm (1.6 in)	70 of 100 (Major)
Boysen Dam	United States	Record daily precipitation	41.7 mm (1.6 in)	70 of 100 (Major)
La Junta Muni AP	United States	Record daily precipitation	50.8 mm (2.0 in)	66 of 100 (Major)
Zilani	Latvia	Record daily precipitation	30.3 mm (1.2 in)	63 of 100 (Major)
Pohnpei WSO	Federated States of Micronesia	Record daily precipitation	130.0 mm (5.1 in)	61 of 100 (Major)
Cedar Rapids #1	United States	Record daily precipitation	83.8 mm (3.3 in)	61 of 100 (Major)
Hikone	Japan	Record daily precipitation	144.0 mm (5.7 in)	60 of 100 (Major)
Cradock	South Africa	Record daily precipitation	26.0 mm (1.0 in)	60 of 100 (Major)
Ft Meade	United States	Record daily precipitation	63.0 mm (2.5 in)	60 of 100 (Major)
Sasebo Reg Met HQ	Japan	Record daily precipitation	326.0 mm (12.8 in)	59 of 100 (Notable)
Mito	Japan	Record daily precipitation	196.0 mm (7.7 in)	58 of 100 (Notable)
Hill City	United States	Record daily precipitation	50.5 mm (2.0 in)	58 of 100 (Notable)
Wakamatsu	Japan	Record daily precipitation	258.0 mm (10.2 in)	57 of 100 (Notable)
Aluksne	Latvia	Record daily precipitation	33.6 mm (1.3 in)	57 of 100 (Notable)
Rucava	Latvia	Record daily precipitation	41.8 mm (1.6 in)	57 of 100 (Notable)
Hysham	United States	Record daily precipitation	45.2 mm (1.8 in)	57 of 100 (Notable)
Volborg	United States	Record daily precipitation	40.4 mm (1.6 in)	57 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	82.5 mm (3.2 in)	57 of 100 (Notable)
Otaru	Japan	Record daily precipitation	172.5 mm (6.8 in)	56 of 100 (Notable)
Newberry	United States	Record daily precipitation	79.8 mm (3.1 in)	56 of 100 (Notable)
Huntley Exp STN	United States	Record daily precipitation	39.1 mm (1.5 in)	55 of 100 (Notable)
Hachinohe	Japan	Record daily precipitation	180.0 mm (7.1 in)	54 of 100 (Notable)
Wakkanai	Japan	Record daily precipitation	255.0 mm (10.0 in)	51 of 100 (Notable)
Nagasaki	Japan	Record daily precipitation	167.0 mm (6.6 in)	51 of 100 (Notable)
Kenosha Wwtp	United States	Record daily precipitation	61.7 mm (2.4 in)	51 of 100 (Notable)
Yamagata	Japan	Record daily precipitation	92.0 mm (3.6 in)	50 of 100 (Notable)
Aledo	United States	Record daily precipitation	69.9 mm (2.8 in)	50 of 100 (Notable)
Hirado	Japan	Record daily precipitation	276.5 mm (10.9 in)	49 of 100 (Notable)
Morris 1NW	United States	Record daily precipitation	38.6 mm (1.5 in)	49 of 100 (Notable)
Hysham 25 SSE	United States	Record daily precipitation	49.3 mm (1.9 in)	49 of 100 (Notable)
Ingomar 9 E	United States	Record daily precipitation	41.9 mm (1.6 in)	49 of 100 (Notable)
Esashi	Japan	Record daily precipitation	274.0 mm (10.8 in)	48 of 100 (Notable)
Fajardo	Puerto Rico [United States]	Record daily precipitation	50.8 mm (2.0 in)	48 of 100 (Notable)
Aurora Water	United States	Record daily precipitation	70.6 mm (2.8 in)	48 of 100 (Notable)
Iowa City	United States	Record daily precipitation	86.4 mm (3.4 in)	48 of 100 (Notable)
Le Claire L&D 14	United States	Record daily precipitation	80.0 mm (3.1 in)	48 of 100 (Notable)
Billings Wtp	United States	Record daily precipitation	31.5 mm (1.2 in)	48 of 100 (Notable)
Klaipeda	Lithuania	Record daily precipitation	41.6 mm (1.6 in)	46 of 100 (Notable)
Olmsted L&D	United States	Record high maximum temperature	36.7 C (98.1 F)	46 of 100 (Notable)
Glendive	United States	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Elgin Water	United States	Record daily precipitation	29.2 mm (1.1 in)	45 of 100 (Notable)
Hardin	United States	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
Bicheno (Council Depot)	Australia	Record high maximum temperature	26.5 C (79.7 F)	44 of 100 (Notable)
Makurazaki	Japan	Record daily precipitation	288.0 mm (11.3 in)	44 of 100 (Notable)
Donegal 2 NW	United States	Record daily precipitation	53.1 mm (2.1 in)	44 of 100 (Notable)
Bishkek	Kyrgyzstan	Record high minimum temperature	19.1 C (66.4 F)	43 of 100 (Notable)
Knox Wwtp	United States	Record daily precipitation	32.0 mm (1.3 in)	43 of 100 (Notable)
Mt Vernon	United States	Record high maximum temperature	37.2 C (99.0 F)	43 of 100 (Notable)
Winston Salem Reynolds AP	United States	Record high minimum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Roberts	Cayman Islands [United Kingdom]	Record low maximum temperature	28.0 C (82.4 F)	42 of 100 (Notable)
Marianna 2 S	United States	Record high maximum temperature	37.8 C (100.0 F)	42 of 100 (Notable)
Mt Vernon	United States	Record high minimum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
University	United States	Record high maximum temperature	37.8 C (100.0 F)	42 of 100 (Notable)
Broadus	United States	Record daily precipitation	25.1 mm (1.0 in)	42 of 100 (Notable)
Waynesboro	United States	Record high maximum temperature	37.2 C (99.0 F)	42 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high maximum temperature	27.3 C (81.1 F)	41 of 100 (Notable)
Zamora	Mexico	Record high minimum temperature	23.2 C (73.8 F)	41 of 100 (Notable)

Counts by Type and Timescale

682 records

Records set or tied on 20 September 2026 by type: Highest daily maximum 254, Lowest daily maximum 26, Highest daily minimum 239, Lowest daily minimum 3, Heaviest daily rainfall 160.

Records on 20 September 2026 by type
Record type	Records
Highest daily maximum	254
Lowest daily maximum	26
Highest daily minimum	239
Lowest daily minimum	3
Heaviest daily rainfall	160
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 2026 by timescale: all-time 1, monthly 13, daily 668.

How Much Records Were Beaten By

524 broken records

Margins by which the 524 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

20 September 2026

Top 20 records on 20 September 2026 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 2026	Paw Paw 2S, US	daily rain (Provisional)	112.8 mm (4.4 in)	78.5 mm (3.1 in)	101 years	80 of 100 (Exceptional)
20 September 2026	Walterboro 1 SW, US	daily rain (Provisional)	100.3 mm (3.9 in)	71.6 mm (2.8 in)	108 years	74 of 100 (Major)
20 September 2026	Zoseni, LV	daily rain (Provisional)	41.0 mm (1.6 in)	28.9 mm (1.1 in)	77 years	71 of 100 (Major)
20 September 2026	Tooma, EE	daily rain (Provisional)	41.0 mm (1.6 in)	25.5 mm (1.0 in)	76 years	70 of 100 (Major)
20 September 2026	Boysen Dam, US	daily rain (Provisional)	41.7 mm (1.6 in)	25.4 mm (1.0 in)	77 years	70 of 100 (Major)
20 September 2026	La Junta Muni AP, US	daily rain (Provisional)	50.8 mm (2.0 in)	40.4 mm (1.6 in)	63 years	66 of 100 (Major)
20 September 2026	Zilani, LV	daily rain (Provisional)	30.3 mm (1.2 in)	19.5 mm (0.8 in)	56 years	63 of 100 (Major)
20 September 2026	Pohnpei WSO, FM	daily rain (Provisional)	130.0 mm (5.1 in)	75.6 mm (3.0 in)	64 years	61 of 100 (Major)
20 September 2026	Cedar Rapids #1, US	daily rain (Provisional)	83.8 mm (3.3 in)	34.3 mm (1.4 in)	119 years	61 of 100 (Major)
20 September 2026	Hikone, JP	daily rain (Provisional)	144.0 mm (5.7 in)	80.1 mm (3.2 in)	61 years	60 of 100 (Major)
20 September 2026	Cradock, ZA	daily rain (Provisional)	26.0 mm (1.0 in)	14.8 mm (0.6 in)	120 years	60 of 100 (Major)
20 September 2026	Ft Meade, US	daily rain (Provisional)	63.0 mm (2.5 in)	24.1 mm (0.9 in)	76 years	60 of 100 (Major)
20 September 2026	Sasebo Reg Met HQ, JP	daily rain (Provisional)	326.0 mm (12.8 in)	229.0 mm (9.0 in)	40 years	59 of 100 (Notable)
20 September 2026	Mito, JP	daily rain (Provisional)	196.0 mm (7.7 in)	134.5 mm (5.3 in)	36 years	58 of 100 (Notable)
20 September 2026	Hill City, US	daily rain (Provisional)	50.5 mm (2.0 in)	34.5 mm (1.4 in)	28 years	58 of 100 (Notable)
20 September 2026	Wakamatsu, JP	daily rain (Provisional)	258.0 mm (10.2 in)	215.1 mm (8.5 in)	36 years	57 of 100 (Notable)
20 September 2026	Aluksne, LV	daily rain (Provisional)	33.6 mm (1.3 in)	20.6 mm (0.8 in)	39 years	57 of 100 (Notable)
20 September 2026	Rucava, LV	daily rain (Provisional)	41.8 mm (1.6 in)	21.8 mm (0.9 in)	64 years	57 of 100 (Notable)
20 September 2026	Hysham, US	daily rain (Provisional)	45.2 mm (1.8 in)	30.0 mm (1.2 in)	56 years	57 of 100 (Notable)
20 September 2026	Volborg, US	daily rain (Provisional)	40.4 mm (1.6 in)	23.9 mm (0.9 in)	76 years	57 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 2026

Records set or tied on this calendar date in each year from 1812 to 2026. 2026 had 682 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 2026-09-20: 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Margin	Records
0 to 50	506
50 to 100	9
100 to 150	5
150 to 200	0
200 to 250	4