Weather Records on 21 September 1925

278 weather records were set or tied worldwide on 21 September 1925. Highest significance: George Airport, ZA.

Key Facts for 21 September 1925

On 21 September 1925, 278 weather records were set or tied at long-record stations worldwide.
161 were record highs and 42 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 11 monthly and 264 daily.
George Airport set a daily record precipitation of 82.3 mm (3.2 in) on 21 September 1925.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 452 records.

Record Map

278 stations

278 station records on 21 September 1925 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
George Airport	South Africa	Record daily precipitation	82.3 mm (3.2 in)	56 of 100 (Notable)
Knysna (Tnk)	South Africa	Record daily precipitation	90.2 mm (3.6 in)	55 of 100 (Notable)
Goudveld (Bos)	South Africa	Record daily precipitation	77.2 mm (3.0 in)	48 of 100 (Notable)
Kentani (Bos)	South Africa	Record daily precipitation	74.9 mm (2.9 in)	48 of 100 (Notable)
Nevada Wtp	United States	Record daily precipitation	109.7 mm (4.3 in)	47 of 100 (Notable)
Bloukrans (Bos)	South Africa	Record daily precipitation	87.6 mm (3.4 in)	46 of 100 (Notable)
Kamferskraal	South Africa	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Oakley	United States	Record daily precipitation	41.9 mm (1.6 in)	44 of 100 (Notable)
Buffelsnek (Bos)	South Africa	Record daily precipitation	74.9 mm (2.9 in)	39 of 100 (Notable)
Burlington	United States	Record daily precipitation	62.7 mm (2.5 in)	35 of 100 (Notable)
Klipfontein	South Africa	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Staunton Wtp	United States	Record high minimum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Chatillon-Sur-Seine	France	Record daily precipitation	35.0 mm (1.4 in)	31 of 100 (Routine)
Millwood (Bos)	South Africa	Record daily precipitation	123.4 mm (4.9 in)	31 of 100 (Routine)
Hutchinson River	United States	Record daily precipitation	40.1 mm (1.6 in)	30 of 100 (Routine)
Tarkastad (Pol)	South Africa	Record daily precipitation	27.4 mm (1.1 in)	28 of 100 (Routine)
Scottsboro	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Charters Towers Post Office	Australia	Record low minimum temperature	8.3 C (46.9 F)	27 of 100 (Routine)
Mt Vernon	United States	Record daily precipitation	39.6 mm (1.6 in)	27 of 100 (Routine)
Yates Ctr	United States	Record daily precipitation	46.2 mm (1.8 in)	27 of 100 (Routine)
Trenton 1 NNE	United States	Record high maximum temperature	39.4 C (102.9 F)	27 of 100 (Routine)
Crosbyton	United States	Record daily precipitation	39.6 mm (1.6 in)	27 of 100 (Routine)
Elko Rgnl AP	United States	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Darwin Post Office	Australia	Record low minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Steytlerville (Mag)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	24 of 100 (Routine)
Peddie (Mag)	South Africa	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	42.7 mm (1.7 in)	23 of 100 (Routine)
Montgomery Wb City	United States	Record high maximum temperature	37.8 C (100.0 F)	22 of 100 (Routine)
Athens	United States	Record high maximum temperature	38.9 C (102.0 F)	22 of 100 (Routine)
New Burnside	United States	Record daily precipitation	43.4 mm (1.7 in)	22 of 100 (Routine)
Evansville Ft Court STN	United States	Record daily precipitation	39.1 mm (1.5 in)	22 of 100 (Routine)
Holly Springs 2 N	United States	Record high maximum temperature	38.3 C (100.9 F)	22 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Olga 2 SE	United States	Record high maximum temperature	21.7 C (71.1 F)	22 of 100 (Routine)
Jacksonville Wb City	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Georgetown 2 E	United States	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Glenville	United States	Record high minimum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Middleburg	South Africa	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Rocklands	South Africa	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Geilo	Norway	Record daily precipitation	21.5 mm (0.8 in)	20 of 100 (Routine)
Chita	Russia	Record daily precipitation	23.2 mm (0.9 in)	20 of 100 (Routine)
Norwich	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Hafslo	Norway	Record daily precipitation	25.8 mm (1.0 in)	20 of 100 (Routine)
Hoburg	Sweden	Record daily precipitation	21.9 mm (0.9 in)	20 of 100 (Routine)
Saint Leo	United States	Record high maximum temperature	36.1 C (97.0 F)	20 of 100 (Routine)
Tallahassee	United States	Record high maximum temperature	37.2 C (99.0 F)	20 of 100 (Routine)
Lebanon 2W	United States	Record daily precipitation	38.1 mm (1.5 in)	20 of 100 (Routine)
Eutawville	United States	Record high maximum temperature	37.8 C (100.0 F)	20 of 100 (Routine)
Newberry	United States	Record high maximum temperature	38.3 C (100.9 F)	20 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Bakensrug	South Africa	Record daily precipitation	22.9 mm (0.9 in)	19 of 100 (Routine)
Malvern	United States	Record high maximum temperature	38.3 C (100.9 F)	19 of 100 (Routine)
Kosciusko	United States	Record high maximum temperature	38.3 C (100.9 F)	19 of 100 (Routine)
Birch Tree	United States	Record daily precipitation	55.9 mm (2.2 in)	19 of 100 (Routine)
Lynchburg - Coop	United States	Record high minimum temperature	23.3 C (73.9 F)	19 of 100 (Routine)
Biskra	Algeria	Record high minimum temperature	26.0 C (78.8 F)	18 of 100 (Routine)
Beito	Norway	Record daily precipitation	21.7 mm (0.9 in)	18 of 100 (Routine)
Balfour (Pol)	South Africa	Record daily precipitation	15.2 mm (0.6 in)	18 of 100 (Routine)
Eufaula	United States	Record high maximum temperature	38.3 C (100.9 F)	18 of 100 (Routine)
Pine Bluff	United States	Record high maximum temperature	39.4 C (102.9 F)	18 of 100 (Routine)

Counts by Type and Timescale

278 records

Records set or tied on 21 September 1925 by type: Highest daily maximum 92, Lowest daily maximum 25, Highest daily minimum 69, Lowest daily minimum 17, Heaviest daily rainfall 75.

Records on 21 September 1925 by type
Record type	Records
Highest daily maximum	92
Lowest daily maximum	25
Highest daily minimum	69
Lowest daily minimum	17
Heaviest daily rainfall	75
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 September 1925 by timescale: all-time 3, monthly 11, daily 264.

How Much Records Were Beaten By

222 broken records

Margins by which the 222 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.2. Ties are not counted.

Top 20 by Significance

21 September 1925

Top 20 records on 21 September 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1925	George Airport, ZA	daily rain	82.3 mm (3.2 in)	58.4 mm (2.3 in)	40 years	56 of 100 (Notable)
21 September 1925	Knysna (Tnk), ZA	daily rain	90.2 mm (3.6 in)	68.4 mm (2.7 in)	36 years	55 of 100 (Notable)
21 September 1925	Goudveld (Bos), ZA	daily rain	77.2 mm (3.0 in)	48.0 mm (1.9 in)	36 years	48 of 100 (Notable)
21 September 1925	Kentani (Bos), ZA	daily rain	74.9 mm (2.9 in)	67.0 mm (2.6 in)	19 years	48 of 100 (Notable)
21 September 1925	Nevada Wtp, US	daily rain	109.7 mm (4.3 in)	78.2 mm (3.1 in)	23 years	47 of 100 (Notable)
21 September 1925	Bloukrans (Bos), ZA	daily rain	87.6 mm (3.4 in)	68.0 mm (2.7 in)	34 years	46 of 100 (Notable)
21 September 1925	Kamferskraal, ZA	daily rain	34.3 mm (1.4 in)	27.7 mm (1.1 in)	19 years	44 of 100 (Notable)
21 September 1925	Oakley, US	all-time rain	41.9 mm (1.6 in)	8.1 mm (0.32 in)	32 years	44 of 100 (Notable)
21 September 1925	Buffelsnek (Bos), ZA	daily rain	74.9 mm (2.9 in)	55.8 mm (2.2 in)	31 years	39 of 100 (Notable)
21 September 1925	Burlington, US	daily rain	62.7 mm (2.5 in)	56.1 mm (2.2 in)	19 years	35 of 100 (Notable)
21 September 1925	Klipfontein, ZA	daily rain	29.0 mm (1.1 in)	28.5 mm (1.1 in)	19 years	32 of 100 (Routine)
21 September 1925	Staunton Wtp, US	all-time high min	26.1 C (79.0 F)	1.1 C (2.0 F)	25 years	32 of 100 (Routine)
21 September 1925	Chatillon-Sur-Seine, FR	daily rain	35.0 mm (1.4 in)	24.8 mm (1.0 in)	2 years	31 of 100 (Routine)
21 September 1925	Millwood (Bos), ZA	monthly rain	123.4 mm (4.9 in)	19.3 mm (0.8 in)	12 years	31 of 100 (Routine)
21 September 1925	Hutchinson River, US	daily rain	40.1 mm (1.6 in)	27.4 mm (1.1 in)	23 years	30 of 100 (Routine)
21 September 1925	Tarkastad (Pol), ZA	daily rain	27.4 mm (1.1 in)	15.0 mm (0.6 in)	19 years	28 of 100 (Routine)
21 September 1925	Scottsboro, US	daily high max	39.4 C (102.9 F)	6.6 C (11.9 F)	29 years	28 of 100 (Routine)
21 September 1925	Charters Towers Post Office, AU	daily low min	8.3 C (46.9 F)	4.5 C (8.1 F)	31 years	27 of 100 (Routine)
21 September 1925	Mt Vernon, US	daily rain	39.6 mm (1.6 in)	31.0 mm (1.2 in)	10 years	27 of 100 (Routine)
21 September 1925	Yates Ctr, US	daily rain	46.2 mm (1.8 in)	38.8 mm (1.5 in)	23 years	27 of 100 (Routine)

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

1805 to 1925

Records set or tied on this calendar date in each year from 1805 to 1925. 1925 had 278 records.

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

Records on 09-21 in each year
Year	Records
1805	1
1812	1
1825	2
1840	1
1841	1
1842	1
1848	1
1854	1
1856	2
1868	1
1872	2
1873	1
1877	1
1878	1
1881	1
1882	1
1884	1
1886	1
1888	2
1889	1
1891	10
1892	1
1893	10
1894	2
1895	3
1896	2
1897	6
1898	6
1899	3
1900	2
1901	5
1902	5
1903	8
1904	20
1905	12
1906	17
1907	10
1908	17
1909	10
1910	8
1911	18
1912	26
1913	37
1914	29
1915	34
1916	48
1917	28
1918	43
1919	54
1920	29
1921	64
1922	35
1923	232
1924	291
1925	278
1926	178
1927	165
1928	81
1929	232
1930	82
1931	681
1932	242
1933	193
1934	492
1935	199
1936	329
1937	487
1938	508
1939	308
1940	908
1941	416
1942	291
1943	407
1944	413
1945	507
1946	176
1947	534
1948	301
1949	298
1950	334
1951	241
1952	430
1953	382
1954	453
1955	752
1956	1,100
1957	366
1958	588
1959	513
1960	418
1961	441
1962	1,085
1963	306
1964	374
1965	1,088
1966	565
1967	577
1968	790
1969	593
1970	708
1971	645
1972	599
1973	421
1974	652
1975	528
1976	694
1977	918
1978	818
1979	736
1980	990
1981	696
1982	1,484
1983	2,207
1984	707
1985	796
1986	671
1987	965
1988	557
1989	1,002
1990	716
1991	1,021
1992	752
1993	911
1994	713
1995	2,002
1996	1,233
1997	1,112
1998	1,481
1999	1,025
2000	884
2001	718
2002	696
2003	959
2004	888
2005	1,143
2006	920
2007	742
2008	740
2009	715
2010	1,290
2011	542
2012	595
2013	769
2014	716
2015	565
2016	989
2017	1,178
2018	1,051
2019	833
2020	580
2021	465
2022	1,049
2023	783
2024	470
2025	588
2026	469

Download the Data

Data for records on 1925-09-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	184
10 to 20	19
20 to 30	9
30 to 40	2
40 to 50	1
50 to 60	3
60 to 70	3
70 to 80	1