Weather Records on 15 September 1923

193 weather records were set or tied worldwide on 15 September 1923. Highest significance: Harkerville (Bos), ZA.

Key Facts for 15 September 1923

On 15 September 1923, 193 weather records were set or tied at long-record stations worldwide.
36 were record highs and 122 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 192 daily.
Harkerville (Bos) set a daily record precipitation of 39.4 mm (1.6 in) on 15 September 1923.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 414 records.

Record Map

193 stations

193 station records on 15 September 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harkerville (Bos)	South Africa	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Salisbury	United States	Record low maximum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Tranebjerg	Denmark	Record high maximum temperature	21.2 C (70.2 F)	23 of 100 (Routine)
Lubeck-Werft	Germany	Record high maximum temperature	25.5 C (77.9 F)	23 of 100 (Routine)
Berlin-Dahlem	Germany	Record high maximum temperature	28.2 C (82.8 F)	22 of 100 (Routine)
Morgantown 1	United States	Record low maximum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Swan Hill (Murray Downs)	Australia	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Mantova	Italy	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Glenelg Post Office	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Port Stanley	Canada	Record low minimum temperature	1.7 C (35.1 F)	20 of 100 (Routine)
Pointe Au Pere	Canada	Record low maximum temperature	8.9 C (48.0 F)	20 of 100 (Routine)
Sandvig	Denmark	Record high maximum temperature	20.1 C (68.2 F)	20 of 100 (Routine)
Benton Ridge	United States	Record low minimum temperature	-3.3 C (26.1 F)	20 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	21.6 C (70.9 F)	19 of 100 (Routine)
Jonkoping	Sweden	Record high maximum temperature	22.0 C (71.6 F)	19 of 100 (Routine)
Brungle (Rosemount)	Australia	Record daily precipitation	12.2 mm (0.5 in)	18 of 100 (Routine)
Guelph Oac	Canada	Record low maximum temperature	8.9 C (48.0 F)	18 of 100 (Routine)
Husum	Germany	Record high maximum temperature	23.8 C (74.8 F)	18 of 100 (Routine)
Waren	Germany	Record high maximum temperature	25.1 C (77.2 F)	18 of 100 (Routine)
Vanersborg	Sweden	Record high maximum temperature	23.0 C (73.4 F)	18 of 100 (Routine)
Mena	United States	Record low maximum temperature	16.7 C (62.1 F)	18 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record low maximum temperature	13.3 C (55.9 F)	18 of 100 (Routine)
Brinkworth (Bungaree)	Australia	Record daily precipitation	11.2 mm (0.4 in)	17 of 100 (Routine)
Clare Post Office	Australia	Record daily precipitation	13.7 mm (0.5 in)	17 of 100 (Routine)
Bathurst	Canada	Record low minimum temperature	1.1 C (34.0 F)	17 of 100 (Routine)
Wrixum/Fohr	Germany	Record high minimum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Skara 1	Sweden	Record high maximum temperature	21.2 C (70.2 F)	17 of 100 (Routine)
Hiram	United States	Record low maximum temperature	11.7 C (53.1 F)	17 of 100 (Routine)
Mc Connellsville Lk 7	United States	Record low maximum temperature	13.3 C (55.9 F)	17 of 100 (Routine)
Brinkworth (Anama Park)	Australia	Record daily precipitation	9.7 mm (0.38 in)	16 of 100 (Routine)
Galway	Ireland	Record daily precipitation	13.8 mm (0.5 in)	16 of 100 (Routine)
Schwerin	Germany	Record high maximum temperature	26.1 C (79.0 F)	16 of 100 (Routine)
Hogsback (Bos)	South Africa	Record daily precipitation	20.6 mm (0.8 in)	16 of 100 (Routine)
Ann Arbor U of Mich	United States	Record low maximum temperature	11.7 C (53.1 F)	16 of 100 (Routine)
Wellsboro	United States	Record low maximum temperature	13.9 C (57.0 F)	16 of 100 (Routine)
Kingston Queens U	Canada	Record low maximum temperature	13.9 C (57.0 F)	15 of 100 (Routine)
Brantford	Canada	Record low maximum temperature	13.3 C (55.9 F)	15 of 100 (Routine)
Magdeburg	Germany	Record high maximum temperature	28.8 C (83.8 F)	15 of 100 (Routine)
Howell Wwtp	United States	Record low minimum temperature	3.3 C (37.9 F)	15 of 100 (Routine)
Buffalo	United States	Record low maximum temperature	13.3 C (55.9 F)	15 of 100 (Routine)
Marion	United States	Record low maximum temperature	15.6 C (60.1 F)	15 of 100 (Routine)
The Dalles	United States	Record high minimum temperature	17.2 C (63.0 F)	15 of 100 (Routine)
Mallan (Niemur Valley)	Australia	Record daily precipitation	8.4 mm (0.33 in)	14 of 100 (Routine)
Chatham 2	Canada	Record low minimum temperature	1.1 C (34.0 F)	14 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	11.7 C (53.1 F)	14 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record high maximum temperature	24.3 C (75.7 F)	14 of 100 (Routine)
Grayling	United States	Record low minimum temperature	-2.8 C (27.0 F)	14 of 100 (Routine)
Weston 2 SE	United States	Record high maximum temperature	33.9 C (93.0 F)	14 of 100 (Routine)
State College	United States	Record low maximum temperature	13.3 C (55.9 F)	14 of 100 (Routine)
Point Pleasant	United States	Record low maximum temperature	18.9 C (66.0 F)	14 of 100 (Routine)
Emerald Post Office	Australia	Record low minimum temperature	3.9 C (39.0 F)	13 of 100 (Routine)
Yarran	Australia	Record daily precipitation	5.1 mm (0.20 in)	13 of 100 (Routine)
Carrathool (Gum Creek)	Australia	Record daily precipitation	4.3 mm (0.17 in)	13 of 100 (Routine)
Tyntynder Station	Australia	Record daily precipitation	4.8 mm (0.19 in)	13 of 100 (Routine)
Southampton	Canada	Record low maximum temperature	12.2 C (54.0 F)	13 of 100 (Routine)
Chatham 2	Canada	Record low maximum temperature	15.6 C (60.1 F)	13 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low maximum temperature	11.7 C (53.1 F)	13 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	26.9 C (80.4 F)	13 of 100 (Routine)
Nqamakwe (Tnk)	South Africa	Record daily precipitation	10.4 mm (0.4 in)	13 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	0.6 C (33.1 F)	13 of 100 (Routine)

Counts by Type and Timescale

193 records

Records set or tied on 15 September 1923 by type: Highest daily maximum 28, Lowest daily maximum 77, Highest daily minimum 8, Lowest daily minimum 45, Heaviest daily rainfall 35.

Records on 15 September 1923 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	77
Highest daily minimum	8
Lowest daily minimum	45
Heaviest daily rainfall	35
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 1923 by timescale: all-time 0, monthly 1, daily 192.

How Much Records Were Beaten By

164 broken records

Margins by which the 164 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 31.3. Ties are not counted.

Top 20 by Significance

15 September 1923

Top 20 records on 15 September 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1923	Harkerville (Bos), ZA	daily rain	39.4 mm (1.6 in)	31.3 mm (1.2 in)	12 years	32 of 100 (Routine)
15 September 1923	Salisbury, US	daily low max	17.2 C (63.0 F)	6.1 C (11.0 F)	24 years	24 of 100 (Routine)
15 September 1923	Tranebjerg, DK	daily high max	21.2 C (70.2 F)	1.4 C (2.5 F)	44 years	23 of 100 (Routine)
15 September 1923	Lubeck-Werft, DE	daily high max	25.5 C (77.9 F)	4.8 C (8.6 F)	24 years	23 of 100 (Routine)
15 September 1923	Berlin-Dahlem, DE	daily high max	28.2 C (82.8 F)	3.0 C (5.4 F)	37 years	22 of 100 (Routine)
15 September 1923	Morgantown 1, US	daily low max	15.0 C (59.0 F)	2.2 C (4.0 F)	42 years	21 of 100 (Routine)
15 September 1923	Swan Hill (Murray Downs), AU	daily rain	8.1 mm (0.32 in)	2.8 mm (0.11 in)	55 years	20 of 100 (Routine)
15 September 1923	Mantova, IT	daily rain	20.1 mm (0.8 in)	4.3 mm (0.17 in)	40 years	20 of 100 (Routine)
15 September 1923	Glenelg Post Office, AU	daily rain	17.3 mm (0.7 in)	9.2 mm (0.36 in)	12 years	20 of 100 (Routine)
15 September 1923	Port Stanley, CA	daily low min	1.7 C (35.1 F)	1.1 C (2.0 F)	43 years	20 of 100 (Routine)
15 September 1923	Pointe Au Pere, CA	daily low max	8.9 C (48.0 F)	1.7 C (3.1 F)	42 years	20 of 100 (Routine)
15 September 1923	Sandvig, DK	daily high max	20.1 C (68.2 F)	0.7 C (1.3 F)	44 years	20 of 100 (Routine)
15 September 1923	Benton Ridge, US	daily low min	-3.3 C (26.1 F)	5.5 C (9.9 F)	23 years	20 of 100 (Routine)
15 September 1923	Vestervig, DK	daily high max	21.6 C (70.9 F)	0.9 C (1.6 F)	39 years	19 of 100 (Routine)
15 September 1923	Jonkoping, SE	daily high max	22.0 C (71.6 F)	1.0 C (1.8 F)	40 years	19 of 100 (Routine)
15 September 1923	Brungle (Rosemount), AU	daily rain	12.2 mm (0.5 in)	5.3 mm (0.21 in)	30 years	18 of 100 (Routine)
15 September 1923	Guelph Oac, CA	daily low max	8.9 C (48.0 F)	6.7 C (12.1 F)	9 years	18 of 100 (Routine)
15 September 1923	Husum, DE	daily high max	23.8 C (74.8 F)	3.6 C (6.5 F)	12 years	18 of 100 (Routine)
15 September 1923	Waren, DE	daily high max	25.1 C (77.2 F)	3.1 C (5.6 F)	24 years	18 of 100 (Routine)
15 September 1923	Vanersborg, SE	daily high max	23.0 C (73.4 F)	1.0 C (1.8 F)	38 years	18 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

1797 to 1923

Records set or tied on this calendar date in each year from 1797 to 1923. 1923 had 193 records.

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

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 1923-09-15: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	151
5 to 10	11
10 to 15	1
15 to 20	0
20 to 25	0
25 to 30	0
30 to 35	1