Weather Records on 29 September 2025

516 weather records were set or tied worldwide on 29 September 2025. Highest significance: Koloa Mauka 994, US.

Key Facts for 29 September 2025

On 29 September 2025, 516 weather records were set or tied at long-record stations worldwide.
444 were record highs and 31 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 506 daily.
Koloa Mauka 994 set a daily record precipitation of 78.7 mm (3.1 in) on 29 September 2025.
Across 157 earlier years (1836 to 2026) the same calendar date averaged 449 records.

Record Map

516 stations

516 station records on 29 September 2025 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 September 2025: highest significance records shown on the map
Station	Country	Type	Value	Significance
Koloa Mauka 994	United States	Record daily precipitation	78.7 mm (3.1 in)	70 of 100 (Major)
Zugdidi	Georgia	Record daily precipitation	130.0 mm (5.1 in)	59 of 100 (Notable)
Valencia	Spain	Record daily precipitation	96.8 mm (3.8 in)	52 of 100 (Notable)
Sonoma	United States	Record high minimum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Reese Rvr - Ione 13NE	United States	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record high maximum temperature	31.7 C (89.1 F)	44 of 100 (Notable)
W Lafayette 6 NW	United States	Record high maximum temperature	33.9 C (93.0 F)	43 of 100 (Notable)
Mahnomen	United States	Record high maximum temperature	32.8 C (91.0 F)	43 of 100 (Notable)
Renovo	United States	Record high maximum temperature	29.4 C (84.9 F)	43 of 100 (Notable)
Fargo Hector Intl AP	United States	Record high maximum temperature	33.3 C (91.9 F)	43 of 100 (Notable)
Park Rapids Muni AP	United States	Record high maximum temperature	31.1 C (88.0 F)	43 of 100 (Notable)
Montezuma Castle Nm	United States	Record low maximum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Redwood City	United States	Record high minimum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Marion 2 N	United States	Record high maximum temperature	32.2 C (90.0 F)	42 of 100 (Notable)
Selinsgrove 2 S	United States	Record high maximum temperature	31.1 C (88.0 F)	42 of 100 (Notable)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	14.5 C (58.1 F)	41 of 100 (Notable)
Half Moon Bay	United States	Record high minimum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Salmon AP	United States	Record high minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Geneseo	United States	Record high maximum temperature	32.8 C (91.0 F)	41 of 100 (Notable)
Thief River Falls	United States	Record high maximum temperature	30.0 C (86.0 F)	41 of 100 (Notable)
Beowawe 49S - U of N Rch	United States	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Alicante El Altet	Spain	Record daily precipitation	69.3 mm (2.7 in)	40 of 100 (Notable)
Artichoke Lake 1 E	United States	Record high maximum temperature	33.3 C (91.9 F)	40 of 100 (Notable)
Jacks Peak	United States	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Watertown Rgnl AP	United States	Record high maximum temperature	31.1 C (88.0 F)	40 of 100 (Notable)
Lima	United States	Record high minimum temperature	8.9 C (48.0 F)	39 of 100 (Notable)
Gregory	United States	Record high minimum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Niwot	United States	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Shemya USAF Base	United States	Record high minimum temperature	11.0 C (51.8 F)	38 of 100 (Notable)
Rinchinlhumbe	Mongolia	Record high minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Gooding 2 S	United States	Record high minimum temperature	14.0 C (57.2 F)	37 of 100 (Notable)
Ibiza/Escodola	Spain	Record daily precipitation	74.4 mm (2.9 in)	36 of 100 (Notable)
Napa State Hospital	United States	Record high minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
Marre-Sale	Russia	Record high minimum temperature	6.9 C (44.4 F)	35 of 100 (Notable)
Norfolk 2 SW	United States	Record high maximum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Cottonwood 2 E	United States	Record high minimum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Tasiilaq	Greenland [Denmark]	Record high minimum temperature	5.5 C (41.9 F)	33 of 100 (Routine)
Yakataga AP	United States	Record low minimum temperature	-0.6 C (30.9 F)	33 of 100 (Routine)
Blacoveschenka	Kazakhstan	Record low minimum temperature	-9.3 C (15.3 F)	32 of 100 (Routine)
Clearlake 4 SE	United States	Record high minimum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Huma	China	Record high minimum temperature	12.6 C (54.7 F)	31 of 100 (Routine)
Jarud Qi	China	Record high minimum temperature	14.7 C (58.5 F)	31 of 100 (Routine)
Everett Snohomish Co AP	United States	Record high minimum temperature	13.9 C (57.0 F)	31 of 100 (Routine)
Omno-Gobi	Mongolia	Record high minimum temperature	8.5 C (47.3 F)	30 of 100 (Routine)
Valencia/Aeropuerto	Spain	Record daily precipitation	62.6 mm (2.5 in)	30 of 100 (Routine)
Hudson Correctional Facility	United States	Record high maximum temperature	29.4 C (84.9 F)	30 of 100 (Routine)
Kenmare 1 WSW	United States	Record high maximum temperature	30.6 C (87.1 F)	30 of 100 (Routine)
Veraval	India	Record low maximum temperature	25.4 C (77.7 F)	29 of 100 (Routine)
Ulken Nary	Kazakhstan	Record high minimum temperature	9.8 C (49.6 F)	29 of 100 (Routine)
Zdvinsk	Russia	Record low minimum temperature	-8.0 C (17.6 F)	29 of 100 (Routine)
Farson 2NNE	United States	Record high minimum temperature	7.2 C (45.0 F)	29 of 100 (Routine)
Wu Lu Mu Qi	China	Record high minimum temperature	18.7 C (65.7 F)	28 of 100 (Routine)
Bayandelger	Mongolia	Record high minimum temperature	13.8 C (56.8 F)	28 of 100 (Routine)
Mt Shasta	United States	Record high minimum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
San Francisco Intl AP	United States	Record high minimum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Port Heiden	United States	Record low minimum temperature	-0.6 C (30.9 F)	28 of 100 (Routine)
Surat	India	Record low maximum temperature	26.6 C (79.9 F)	27 of 100 (Routine)
Krasnye Baki	Russia	Record low minimum temperature	-2.8 C (27.0 F)	27 of 100 (Routine)
Erofej Pavlovic	Russia	Record high maximum temperature	21.9 C (71.4 F)	27 of 100 (Routine)
Lulea Flygplats	Sweden	Record high maximum temperature	13.5 C (56.3 F)	27 of 100 (Routine)

Counts by Type and Timescale

516 records

Records set or tied on 29 September 2025 by type: Highest daily maximum 199, Lowest daily maximum 19, Highest daily minimum 245, Lowest daily minimum 12, Heaviest daily rainfall 39, Deepest snow cover 2.

Records on 29 September 2025 by type
Record type	Records
Highest daily maximum	199
Lowest daily maximum	19
Highest daily minimum	245
Lowest daily minimum	12
Heaviest daily rainfall	39
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 29 September 2025 by timescale: all-time 0, monthly 10, daily 506.

How Much Records Were Beaten By

398 broken records

Margins by which the 398 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.5. Ties are not counted.

Top 20 by Significance

29 September 2025

Top 20 records on 29 September 2025 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 September 2025	Koloa Mauka 994, US	daily rain	78.7 mm (3.1 in)	55.8 mm (2.2 in)	79 years	70 of 100 (Major)
29 September 2025	Zugdidi, GE	daily rain	130.0 mm (5.1 in)	101.5 mm (4.0 in)	35 years	59 of 100 (Notable)
29 September 2025	Valencia, ES	daily rain	96.8 mm (3.8 in)	71.2 mm (2.8 in)	16 years	52 of 100 (Notable)
29 September 2025	Sonoma, US	daily high min	16.7 C (62.1 F)	1.7 C (3.1 F)	131 years	45 of 100 (Notable)
29 September 2025	Reese Rvr - Ione 13NE, US	daily rain	27.4 mm (1.1 in)	18.8 mm (0.7 in)	43 years	45 of 100 (Notable)
29 September 2025	Detroit Lakes 1 NNE, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	120 years	44 of 100 (Notable)
29 September 2025	W Lafayette 6 NW, US	daily high max	33.9 C (93.0 F)	1.7 C (3.1 F)	120 years	43 of 100 (Notable)
29 September 2025	Mahnomen, US	daily high max	32.8 C (91.0 F)	3.9 C (7.0 F)	94 years	43 of 100 (Notable)
29 September 2025	Renovo, US	daily high max	29.4 C (84.9 F)	1.6 C (2.9 F)	124 years	43 of 100 (Notable)
29 September 2025	Fargo Hector Intl AP, US	daily high max	33.3 C (91.9 F)	2.2 C (4.0 F)	132 years	43 of 100 (Notable)
29 September 2025	Park Rapids Muni AP, US	daily high max	31.1 C (88.0 F)	2.2 C (4.0 F)	120 years	43 of 100 (Notable)
29 September 2025	Montezuma Castle Nm, US	daily low max	20.6 C (69.1 F)	3.8 C (6.8 F)	80 years	42 of 100 (Notable)
29 September 2025	Redwood City, US	daily high min	18.3 C (64.9 F)	2.7 C (4.9 F)	74 years	42 of 100 (Notable)
29 September 2025	Marion 2 N, US	daily high max	32.2 C (90.0 F)	1.1 C (2.0 F)	127 years	42 of 100 (Notable)
29 September 2025	Selinsgrove 2 S, US	daily high max	31.1 C (88.0 F)	1.1 C (2.0 F)	120 years	42 of 100 (Notable)
29 September 2025	Nuwara Eliya, LK	daily high min	14.5 C (58.1 F)	0.3 C (0.5 F)	122 years	41 of 100 (Notable)
29 September 2025	Half Moon Bay, US	daily high min	17.2 C (63.0 F)	2.8 C (5.0 F)	74 years	41 of 100 (Notable)
29 September 2025	Salmon AP, US	daily high min	11.7 C (53.1 F)	2.3 C (4.1 F)	87 years	41 of 100 (Notable)
29 September 2025	Geneseo, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	120 years	41 of 100 (Notable)
29 September 2025	Thief River Falls, US	daily high max	30.0 C (86.0 F)	1.1 C (2.0 F)	120 years	41 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

1836 to 2025

Records set or tied on this calendar date in each year from 1836 to 2025. 2025 had 516 records.

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

Records on 09-29 in each year
Year	Records
1836	1
1843	1
1854	2
1859	2
1861	1
1862	1
1864	1
1867	1
1868	1
1869	2
1871	1
1873	3
1874	1
1877	2
1881	1
1882	1
1883	2
1884	2
1885	4
1886	1
1887	1
1888	3
1889	3
1890	4
1892	4
1893	1
1894	4
1895	4
1897	5
1898	4
1899	9
1900	3
1901	7
1902	14
1903	11
1904	26
1905	11
1906	16
1907	26
1908	20
1909	10
1910	10
1911	64
1912	27
1913	20
1914	24
1915	43
1916	184
1917	19
1918	36
1919	38
1920	22
1921	148
1922	33
1923	89
1924	264
1925	166
1926	195
1927	236
1928	212
1929	243
1930	71
1931	204
1932	234
1933	353
1934	394
1935	188
1936	399
1937	276
1938	423
1939	407
1940	346
1941	511
1942	858
1943	390
1944	398
1945	899
1946	265
1947	467
1948	334
1949	398
1950	472
1951	475
1952	404
1953	1,079
1954	814
1955	375
1956	380
1957	636
1958	309
1959	1,066
1960	143
1961	447
1962	481
1963	996
1964	1,154
1965	689
1966	498
1967	1,250
1968	184
1969	279
1970	629
1971	797
1972	637
1973	769
1974	730
1975	365
1976	636
1977	800
1978	569
1979	581
1980	874
1981	747
1982	911
1983	920
1984	1,447
1985	1,789
1986	1,624
1987	641
1988	554
1989	710
1990	416
1991	747
1992	833
1993	620
1994	967
1995	1,033
1996	1,356
1997	683
1998	1,295
1999	1,440
2000	965
2001	846
2002	557
2003	924
2004	754
2005	1,163
2006	695
2007	929
2008	461
2009	700
2010	1,110
2011	1,572
2012	737
2013	623
2014	548
2015	724
2016	912
2017	433
2018	582
2019	2,193
2020	444
2021	790
2022	600
2023	866
2024	1,391
2025	516
2026	544

Download the Data

Data for records on 2025-09-29: 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	391
20 to 40	2
40 to 60	3
60 to 80	1
80 to 100	0
100 to 120	1