Weather Records on 27 September 2026

358 weather records were set or tied worldwide on 27 September 2026. Highest significance: Wattening, AU.

Key Facts for 27 September 2026

On 27 September 2026, 358 weather records were set or tied at long-record stations worldwide.
186 were record highs and 61 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 346 daily.
Wattening set a monthly record daily precipitation of 55.4 mm (2.2 in) on 27 September 2026 (provisional).
Across 154 earlier years (1799 to 2025) the same calendar date averaged 451 records.

Record Map

358 stations

358 station records on 27 September 2026 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 2026: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wattening	Australia	Record daily precipitation	55.4 mm (2.2 in)	90 of 100 (Exceptional)
Suwa	Japan	Record daily precipitation	242.0 mm (9.5 in)	68 of 100 (Major)
Aomori	Japan	Record daily precipitation	84.5 mm (3.3 in)	66 of 100 (Major)
Aikawa	Japan	Record daily precipitation	178.0 mm (7.0 in)	66 of 100 (Major)
Matsumoto	Japan	Record daily precipitation	144.5 mm (5.7 in)	66 of 100 (Major)
Blue Hill Lcd	United States	Record daily precipitation	130.8 mm (5.1 in)	65 of 100 (Major)
Edjudina	Australia	Record daily precipitation	50.6 mm (2.0 in)	63 of 100 (Major)
Ishinomaki	Japan	Record daily precipitation	153.0 mm (6.0 in)	60 of 100 (Major)
N Foster 1 E	United States	Record daily precipitation	97.3 mm (3.8 in)	60 of 100 (Major)
Guadalajara	Mexico	Record high minimum temperature	22.8 C (73.0 F)	57 of 100 (Notable)
Kalgoorlie-Boulder Airport	Australia	Record daily precipitation	29.4 mm (1.2 in)	56 of 100 (Notable)
Brockton	United States	Record daily precipitation	123.4 mm (4.9 in)	55 of 100 (Notable)
Yamagata	Japan	Record daily precipitation	98.0 mm (3.9 in)	53 of 100 (Notable)
Wakayama	Japan	Record daily precipitation	158.0 mm (6.2 in)	53 of 100 (Notable)
Blue Hill Coop	United States	Record daily precipitation	120.1 mm (4.7 in)	52 of 100 (Notable)
Miyakejima	Japan	Record daily precipitation	270.5 mm (10.6 in)	49 of 100 (Notable)
Wrangell AP	United States	Record daily precipitation	62.7 mm (2.5 in)	49 of 100 (Notable)
Gairdner	Australia	Record daily precipitation	52.6 mm (2.1 in)	47 of 100 (Notable)
Hingham	United States	Record daily precipitation	69.3 mm (2.7 in)	43 of 100 (Notable)
Rochester	United States	Record daily precipitation	124.0 mm (4.9 in)	43 of 100 (Notable)
Jacup	Australia	Record daily precipitation	44.6 mm (1.8 in)	42 of 100 (Notable)
Grundy Ctr	United States	Record daily precipitation	29.2 mm (1.1 in)	42 of 100 (Notable)
Makurazaki	Japan	Record daily precipitation	63.5 mm (2.5 in)	41 of 100 (Notable)
Kofu	Japan	Record daily precipitation	90.5 mm (3.6 in)	40 of 100 (Notable)
Takamatsu	Japan	Record daily precipitation	120.5 mm (4.7 in)	40 of 100 (Notable)
Edgartown	United States	Record daily precipitation	96.5 mm (3.8 in)	39 of 100 (Notable)
Bolgart	Australia	Record daily precipitation	28.0 mm (1.1 in)	38 of 100 (Notable)
Kitamiesashi	Japan	Record daily precipitation	81.5 mm (3.2 in)	38 of 100 (Notable)
Osaka	Japan	Record daily precipitation	329.0 mm (13.0 in)	38 of 100 (Notable)
Tracy	United States	Record high minimum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Daytona Beach	United States	Record low maximum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Kawaguchiko	Japan	Record daily precipitation	94.0 mm (3.7 in)	36 of 100 (Notable)
Kanchanaburi	Thailand	Record low maximum temperature	27.3 C (81.1 F)	36 of 100 (Notable)
Fort Huachuca	United States	Record high minimum temperature	19.8 C (67.6 F)	36 of 100 (Notable)
Nagano	Japan	Record daily precipitation	64.0 mm (2.5 in)	35 of 100 (Notable)
Mount Nowa Nowa	Australia	Record daily precipitation	29.4 mm (1.2 in)	34 of 100 (Routine)
Wakkanai	Japan	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Long Branch-Oakhurst	United States	Record daily precipitation	94.7 mm (3.7 in)	34 of 100 (Routine)
Ajiro	Japan	Record daily precipitation	299.0 mm (11.8 in)	33 of 100 (Routine)
La Paz (City)	Mexico	Record low minimum temperature	17.7 C (63.9 F)	33 of 100 (Routine)
Walpole 2	United States	Record daily precipitation	84.1 mm (3.3 in)	33 of 100 (Routine)
Painter 2 W	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Islip-Li Macarthur AP	United States	Record daily precipitation	48.8 mm (1.9 in)	33 of 100 (Routine)
Mount Moornapa	Australia	Record daily precipitation	39.0 mm (1.5 in)	32 of 100 (Routine)
Iwamizawa	Japan	Record daily precipitation	62.5 mm (2.5 in)	32 of 100 (Routine)
Obihiro	Japan	Record high minimum temperature	15.7 C (60.3 F)	32 of 100 (Routine)
Culbertson	United States	Record daily precipitation	42.2 mm (1.7 in)	32 of 100 (Routine)
McAllen	United States	Record high minimum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Vero Beach Intl AP	United States	Record low minimum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Norfolk Karl Stefan Mem AP	United States	Record high minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Esperance Post Office	Australia	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Tapachula Chis	Mexico	Record low minimum temperature	13.8 C (56.8 F)	31 of 100 (Routine)
Pbo Anantapur	India	Record high minimum temperature	26.4 C (79.5 F)	30 of 100 (Routine)
Kutchan	Japan	Record high minimum temperature	13.8 C (56.8 F)	30 of 100 (Routine)
Fukui	Japan	Record daily precipitation	59.0 mm (2.3 in)	30 of 100 (Routine)
Sukumo	Japan	Record daily precipitation	157.5 mm (6.2 in)	30 of 100 (Routine)
Norwich Public Utility Plt	United States	Record daily precipitation	46.7 mm (1.8 in)	30 of 100 (Routine)
Iwamizawa	Japan	Record high minimum temperature	15.7 C (60.3 F)	29 of 100 (Routine)
Kutchan	Japan	Record daily precipitation	45.0 mm (1.8 in)	29 of 100 (Routine)
Middleboro	United States	Record daily precipitation	91.9 mm (3.6 in)	29 of 100 (Routine)

Counts by Type and Timescale

358 records

Records set or tied on 27 September 2026 by type: Highest daily maximum 23, Lowest daily maximum 26, Highest daily minimum 163, Lowest daily minimum 35, Heaviest daily rainfall 111.

Records on 27 September 2026 by type
Record type	Records
Highest daily maximum	23
Lowest daily maximum	26
Highest daily minimum	163
Lowest daily minimum	35
Heaviest daily rainfall	111
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 September 2026 by timescale: all-time 1, monthly 11, daily 346.

How Much Records Were Beaten By

277 broken records

Margins by which the 277 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 143.5. Ties are not counted.

Top 20 by Significance

27 September 2026

Top 20 records on 27 September 2026 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 2026	Wattening, AU	monthly rain (Provisional)	55.4 mm (2.2 in)	25.4 mm (1.0 in)	113 years	90 of 100 (Exceptional)
27 September 2026	Suwa, JP	daily rain (Provisional)	242.0 mm (9.5 in)	127.9 mm (5.0 in)	71 years	68 of 100 (Major)
27 September 2026	Aomori, JP	daily rain (Provisional)	84.5 mm (3.3 in)	61.4 mm (2.4 in)	65 years	66 of 100 (Major)
27 September 2026	Aikawa, JP	daily rain (Provisional)	178.0 mm (7.0 in)	143.5 mm (5.6 in)	65 years	66 of 100 (Major)
27 September 2026	Matsumoto, JP	daily rain (Provisional)	144.5 mm (5.7 in)	70.0 mm (2.8 in)	71 years	66 of 100 (Major)
27 September 2026	Blue Hill Lcd, US	daily rain (Provisional)	130.8 mm (5.1 in)	73.4 mm (2.9 in)	64 years	65 of 100 (Major)
27 September 2026	Edjudina, AU	monthly rain (Provisional)	50.6 mm (2.0 in)	15.6 mm (0.6 in)	41 years	63 of 100 (Major)
27 September 2026	Ishinomaki, JP	daily rain (Provisional)	153.0 mm (6.0 in)	109.5 mm (4.3 in)	44 years	60 of 100 (Major)
27 September 2026	N Foster 1 E, US	daily rain (Provisional)	97.3 mm (3.8 in)	70.1 mm (2.8 in)	51 years	60 of 100 (Major)
27 September 2026	Guadalajara, MX	daily high min (Provisional)	22.8 C (73.0 F)	4.8 C (8.6 F)	64 years	57 of 100 (Notable)
27 September 2026	Kalgoorlie-Boulder Airport, AU	daily rain (Provisional)	29.4 mm (1.2 in)	19.4 mm (0.8 in)	29 years	56 of 100 (Notable)
27 September 2026	Brockton, US	daily rain (Provisional)	123.4 mm (4.9 in)	84.3 mm (3.3 in)	17 years	55 of 100 (Notable)
27 September 2026	Yamagata, JP	daily rain (Provisional)	98.0 mm (3.9 in)	68.5 mm (2.7 in)	20 years	53 of 100 (Notable)
27 September 2026	Wakayama, JP	daily rain (Provisional)	158.0 mm (6.2 in)	104.5 mm (4.1 in)	43 years	53 of 100 (Notable)
27 September 2026	Blue Hill Coop, US	daily rain (Provisional)	120.1 mm (4.7 in)	62.4 mm (2.5 in)	17 years	52 of 100 (Notable)
27 September 2026	Miyakejima, JP	daily rain (Provisional)	270.5 mm (10.6 in)	112.5 mm (4.4 in)	37 years	49 of 100 (Notable)
27 September 2026	Wrangell AP, US	daily rain (Provisional)	62.7 mm (2.5 in)	12.4 mm (0.5 in)	101 years	49 of 100 (Notable)
27 September 2026	Gairdner, AU	daily rain (Provisional)	52.6 mm (2.1 in)	32.8 mm (1.3 in)	4 years	47 of 100 (Notable)
27 September 2026	Hingham, US	daily rain (Provisional)	69.3 mm (2.7 in)	29.9 mm (1.2 in)	64 years	43 of 100 (Notable)
27 September 2026	Rochester, US	daily rain (Provisional)	124.0 mm (4.9 in)	49.3 mm (1.9 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

1799 to 2026

Records set or tied on this calendar date in each year from 1799 to 2026. 2026 had 358 records.

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

Records on 09-27 in each year
Year	Records
1799	1
1828	1
1836	2
1847	1
1851	1
1854	2
1855	2
1859	2
1866	2
1867	3
1874	1
1875	1
1877	2
1880	1
1881	4
1882	1
1885	5
1887	1
1890	3
1891	1
1892	1
1893	1
1894	5
1895	6
1896	1
1897	2
1898	4
1899	1
1900	5
1901	3
1902	12
1903	7
1904	12
1905	21
1906	21
1907	9
1908	36
1909	17
1910	20
1911	31
1912	25
1913	27
1914	24
1915	80
1916	57
1917	41
1918	58
1919	45
1920	54
1921	26
1922	111
1923	125
1924	115
1925	129
1926	581
1927	244
1928	288
1929	225
1930	178
1931	222
1932	194
1933	559
1934	298
1935	319
1936	435
1937	309
1938	366
1939	572
1940	706
1941	257
1942	1,353
1943	503
1944	323
1945	475
1946	387
1947	813
1948	405
1949	407
1950	223
1951	480
1952	539
1953	567
1954	507
1955	386
1956	825
1957	644
1958	585
1959	582
1960	337
1961	376
1962	352
1963	849
1964	724
1965	688
1966	426
1967	502
1968	286
1969	233
1970	773
1971	762
1972	989
1973	1,031
1974	408
1975	790
1976	905
1977	852
1978	773
1979	741
1980	559
1981	680
1982	1,076
1983	791
1984	1,297
1985	661
1986	1,772
1987	1,013
1988	494
1989	852
1990	379
1991	894
1992	659
1993	727
1994	764
1995	698
1996	1,468
1997	730
1998	1,774
1999	1,059
2000	1,031
2001	980
2002	992
2003	830
2004	665
2005	1,061
2006	596
2007	1,091
2008	659
2009	987
2010	1,153
2011	965
2012	624
2013	823
2014	813
2015	664
2016	600
2017	891
2018	600
2019	755
2020	659
2021	893
2022	642
2023	747
2024	1,449
2025	272
2026	358

Download the Data

Data for records on 2026-09-27: 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 20	244
20 to 40	16
40 to 60	5
60 to 80	6
80 to 100	1
100 to 120	3
120 to 140	1
140 to 160	1