Weather Records on 17 September 2025

634 weather records were set or tied worldwide on 17 September 2025. Highest significance: Tully Sugar Mill, AU.

Key Facts for 17 September 2025

On 17 September 2025, 634 weather records were set or tied at long-record stations worldwide.
460 were record highs and 27 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 612 daily.
Tully Sugar Mill set a daily record precipitation of 121.0 mm (4.8 in) on 17 September 2025.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 421 records.

Record Map

634 stations

634 station records on 17 September 2025 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 2025: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tully Sugar Mill	Australia	Record daily precipitation	121.0 mm (4.8 in)	72 of 100 (Major)
Cairns Aero	Australia	Record daily precipitation	72.8 mm (2.9 in)	70 of 100 (Major)
Colpon-Ata	Kyrgyzstan	Record daily precipitation	29.0 mm (1.1 in)	70 of 100 (Major)
Bellenden Ker Top STN	Australia	Record daily precipitation	363.0 mm (14.3 in)	67 of 100 (Major)
Topaz	Australia	Record daily precipitation	376.0 mm (14.8 in)	67 of 100 (Major)
Mulgrave Mill	Australia	Record daily precipitation	40.0 mm (1.6 in)	65 of 100 (Major)
Trenton Dam 1N	United States	Record daily precipitation	56.4 mm (2.2 in)	65 of 100 (Major)
Pago Pago WSO AP	American Samoa [United States]	Record daily precipitation	150.1 mm (5.9 in)	63 of 100 (Major)
South Johnstone Exp STN	Australia	Record daily precipitation	43.0 mm (1.7 in)	63 of 100 (Major)
Innot Hot Springs Township	Australia	Record daily precipitation	28.8 mm (1.1 in)	62 of 100 (Major)
Arcadia	United States	Record daily precipitation	46.7 mm (1.8 in)	61 of 100 (Major)
Whyanbeel Valley	Australia	Record daily precipitation	75.2 mm (3.0 in)	60 of 100 (Major)
Atwood	United States	Record daily precipitation	49.3 mm (1.9 in)	60 of 100 (Major)
La Junta Muni AP	United States	Record daily precipitation	42.9 mm (1.7 in)	59 of 100 (Notable)
Culbertson	United States	Record daily precipitation	45.0 mm (1.8 in)	58 of 100 (Notable)
Greeley	United States	Record daily precipitation	39.4 mm (1.6 in)	54 of 100 (Notable)
Mc Cook 17 NNW	United States	Record daily precipitation	37.1 mm (1.5 in)	53 of 100 (Notable)
Laprele Creek	United States	Record daily precipitation	35.6 mm (1.4 in)	53 of 100 (Notable)
Greenhaven	Australia	Record daily precipitation	143.8 mm (5.7 in)	52 of 100 (Notable)
Agate 3 E	United States	Record daily precipitation	29.7 mm (1.2 in)	52 of 100 (Notable)
Minden	United States	Record daily precipitation	57.2 mm (2.3 in)	52 of 100 (Notable)
Old Ft Laramie	United States	Record daily precipitation	33.0 mm (1.3 in)	52 of 100 (Notable)
Reno Hill	United States	Record daily precipitation	50.8 mm (2.0 in)	50 of 100 (Notable)
Woodleigh	Australia	Record daily precipitation	38.0 mm (1.5 in)	48 of 100 (Notable)
Kuranda Railway Station	Australia	Record daily precipitation	42.0 mm (1.7 in)	46 of 100 (Notable)
Walkamin Research Station	Australia	Record daily precipitation	27.0 mm (1.1 in)	46 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record low maximum temperature	2.3 C (36.1 F)	46 of 100 (Notable)
Elwood 8 S	United States	Record daily precipitation	26.2 mm (1.0 in)	45 of 100 (Notable)
Potosi 4 SW	United States	Record high maximum temperature	33.9 C (93.0 F)	44 of 100 (Notable)
Bellenden Ker Bottom STN	Australia	Record daily precipitation	138.0 mm (5.4 in)	43 of 100 (Notable)
Estacada 2 SE	United States	Record high maximum temperature	35.0 C (95.0 F)	43 of 100 (Notable)
Pierre Rgnl AP	United States	Record daily precipitation	65.3 mm (2.6 in)	43 of 100 (Notable)
San Rafael-Civic Ctr	United States	Record high maximum temperature	37.2 C (99.0 F)	42 of 100 (Notable)
Johnson	United States	Record daily precipitation	41.9 mm (1.6 in)	42 of 100 (Notable)
Broken Bow 2 W	United States	Record daily precipitation	26.7 mm (1.1 in)	42 of 100 (Notable)
Bragin	Belarus	Record daily precipitation	38.0 mm (1.5 in)	41 of 100 (Notable)
Albacete Los Llanos	Spain	Record high maximum temperature	35.1 C (95.2 F)	41 of 100 (Notable)
Tenerife/Sur	Spain	Record high maximum temperature	36.9 C (98.4 F)	41 of 100 (Notable)
Allerton	United States	Record high maximum temperature	32.8 C (91.0 F)	41 of 100 (Notable)
Kanawha	United States	Record daily precipitation	55.4 mm (2.2 in)	41 of 100 (Notable)
Mt Pleasant	United States	Record high maximum temperature	38.3 C (100.9 F)	41 of 100 (Notable)
Pine Rvr Dam	United States	Record high maximum temperature	31.1 C (88.0 F)	40 of 100 (Notable)
Canaday Steam Plt	United States	Record daily precipitation	43.9 mm (1.7 in)	40 of 100 (Notable)
N Loup	United States	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Richfield Radio Ksvc	United States	Record high maximum temperature	34.4 C (93.9 F)	40 of 100 (Notable)
Marshall	United States	Record high maximum temperature	36.1 C (97.0 F)	39 of 100 (Notable)
Mapleton No.2	United States	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Cambridge	United States	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Kennebec	United States	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
Amarillo	United States	Record daily precipitation	40.9 mm (1.6 in)	37 of 100 (Notable)
Miyakejima	Japan	Record high minimum temperature	28.2 C (82.8 F)	36 of 100 (Notable)
Hachijojima	Japan	Record high minimum temperature	27.5 C (81.5 F)	35 of 100 (Notable)
Vardoe	Norway	Record high minimum temperature	10.1 C (50.2 F)	35 of 100 (Notable)
Dagupan	Philippines	Record low maximum temperature	25.8 C (78.4 F)	35 of 100 (Notable)
Cambridge	United States	Record high maximum temperature	32.8 C (91.0 F)	35 of 100 (Notable)
Whidbey Island NAS	United States	Record high maximum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
W Monroe	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Hart Mtn Refuge	United States	Record high minimum temperature	11.1 C (52.0 F)	34 of 100 (Routine)
Mc Intosh 6 SE	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Longview	United States	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

634 records

Records set or tied on 17 September 2025 by type: Highest daily maximum 206, Lowest daily maximum 23, Highest daily minimum 254, Lowest daily minimum 4, Heaviest daily rainfall 147.

Records on 17 September 2025 by type
Record type	Records
Highest daily maximum	206
Lowest daily maximum	23
Highest daily minimum	254
Lowest daily minimum	4
Heaviest daily rainfall	147
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 September 2025 by timescale: all-time 0, monthly 22, daily 612.

How Much Records Were Beaten By

503 broken records

Margins by which the 503 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 260.0. Ties are not counted.

Top 20 by Significance

17 September 2025

Top 20 records on 17 September 2025 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 2025	Tully Sugar Mill, AU	daily rain	121.0 mm (4.8 in)	77.3 mm (3.0 in)	74 years	72 of 100 (Major)
17 September 2025	Cairns Aero, AU	daily rain	72.8 mm (2.9 in)	63.1 mm (2.5 in)	74 years	70 of 100 (Major)
17 September 2025	Colpon-Ata, KG	daily rain	29.0 mm (1.1 in)	22.4 mm (0.9 in)	70 years	70 of 100 (Major)
17 September 2025	Bellenden Ker Top STN, AU	monthly rain	363.0 mm (14.3 in)	133.0 mm (5.2 in)	41 years	67 of 100 (Major)
17 September 2025	Topaz, AU	monthly rain	376.0 mm (14.8 in)	260.0 mm (10.2 in)	44 years	67 of 100 (Major)
17 September 2025	Mulgrave Mill, AU	daily rain	40.0 mm (1.6 in)	24.5 mm (1.0 in)	106 years	65 of 100 (Major)
17 September 2025	Trenton Dam 1N, US	daily rain	56.4 mm (2.2 in)	47.0 mm (1.9 in)	50 years	65 of 100 (Major)
17 September 2025	Pago Pago WSO AP, AS	daily rain	150.1 mm (5.9 in)	86.3 mm (3.4 in)	59 years	63 of 100 (Major)
17 September 2025	South Johnstone Exp STN, AU	daily rain	43.0 mm (1.7 in)	26.5 mm (1.0 in)	99 years	63 of 100 (Major)
17 September 2025	Innot Hot Springs Township, AU	daily rain	28.8 mm (1.1 in)	24.2 mm (1.0 in)	60 years	62 of 100 (Major)
17 September 2025	Arcadia, US	daily rain	46.7 mm (1.8 in)	28.4 mm (1.1 in)	103 years	61 of 100 (Major)
17 September 2025	Whyanbeel Valley, AU	daily rain	75.2 mm (3.0 in)	45.7 mm (1.8 in)	52 years	60 of 100 (Major)
17 September 2025	Atwood, US	daily rain	49.3 mm (1.9 in)	24.7 mm (1.0 in)	102 years	60 of 100 (Major)
17 September 2025	La Junta Muni AP, US	daily rain	42.9 mm (1.7 in)	29.7 mm (1.2 in)	38 years	59 of 100 (Notable)
17 September 2025	Culbertson, US	daily rain	45.0 mm (1.8 in)	19.9 mm (0.8 in)	120 years	58 of 100 (Notable)
17 September 2025	Greeley, US	daily rain	39.4 mm (1.6 in)	19.6 mm (0.8 in)	98 years	54 of 100 (Notable)
17 September 2025	Mc Cook 17 NNW, US	daily rain	37.1 mm (1.5 in)	32.8 mm (1.3 in)	39 years	53 of 100 (Notable)
17 September 2025	Laprele Creek, US	daily rain	35.6 mm (1.4 in)	20.4 mm (0.8 in)	32 years	53 of 100 (Notable)
17 September 2025	Greenhaven, AU	monthly rain	143.8 mm (5.7 in)	25.0 mm (1.0 in)	41 years	52 of 100 (Notable)
17 September 2025	Agate 3 E, US	daily rain	29.7 mm (1.2 in)	10.6 mm (0.4 in)	119 years	52 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

1796 to 2025

Records set or tied on this calendar date in each year from 1796 to 2025. 2025 had 634 records.

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

Records on 09-17 in each year
Year	Records
1796	1
1797	1
1805	1
1833	1
1834	1
1837	2
1845	1
1847	3
1848	1
1850	1
1851	2
1853	2
1854	2
1859	1
1862	1
1867	1
1870	1
1871	1
1872	1
1873	1
1874	1
1875	1
1877	1
1881	1
1882	2
1884	3
1885	3
1886	6
1888	2
1889	8
1891	1
1893	3
1894	1
1895	4
1896	9
1897	4
1898	7
1899	1
1900	4
1901	5
1902	5
1903	28
1904	2
1905	17
1906	10
1907	15
1908	13
1909	7
1910	38
1911	15
1912	17
1913	28
1914	38
1915	48
1916	40
1917	255
1918	41
1919	21
1920	40
1921	66
1922	47
1923	159
1924	80
1925	338
1926	154
1927	420
1928	78
1929	168
1930	147
1931	564
1932	425
1933	415
1934	246
1935	321
1936	219
1937	463
1938	363
1939	294
1940	326
1941	328
1942	581
1943	513
1944	403
1945	614
1946	620
1947	680
1948	630
1949	292
1950	412
1951	359
1952	263
1953	344
1954	449
1955	649
1956	437
1957	405
1958	806
1959	1,210
1960	385
1961	657
1962	432
1963	297
1964	559
1965	1,394
1966	523
1967	331
1968	691
1969	352
1970	412
1971	898
1972	556
1973	638
1974	491
1975	478
1976	636
1977	641
1978	764
1979	804
1980	794
1981	1,155
1982	606
1983	862
1984	1,006
1985	448
1986	1,314
1987	926
1988	982
1989	863
1990	650
1991	1,407
1992	686
1993	950
1994	986
1995	1,145
1996	1,342
1997	1,057
1998	1,137
1999	1,102
2000	1,318
2001	895
2002	1,025
2003	586
2004	872
2005	1,042
2006	1,344
2007	752
2008	886
2009	871
2010	907
2011	1,116
2012	597
2013	1,253
2014	571
2015	953
2016	707
2017	455
2018	899
2019	774
2020	651
2021	345
2022	313
2023	646
2024	954
2025	634
2026	968

Download the Data

Data for records on 2025-09-17: 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	497
50 to 100	4
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	1