Weather Records on 18 September 1923

114 weather records were set or tied worldwide on 18 September 1923. Highest significance: Sveg, SE.

Key Facts for 18 September 1923

On 18 September 1923, 114 weather records were set or tied at long-record stations worldwide.
9 were record highs and 54 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 113 daily.
Sveg set a daily record precipitation of 29.6 mm (1.2 in) on 18 September 1923.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 423 records.

Record Map

114 stations

114 station records on 18 September 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sveg	Sweden	Record daily precipitation	29.6 mm (1.2 in)	51 of 100 (Notable)
Godegard	Sweden	Record daily precipitation	33.1 mm (1.3 in)	39 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record low maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Tomahawk Creek (Irrewillipe Ea	Australia	Record daily precipitation	27.7 mm (1.1 in)	31 of 100 (Routine)
Malung	Sweden	Record daily precipitation	27.3 mm (1.1 in)	29 of 100 (Routine)
Melbourne Regional Office	Australia	Record high minimum temperature	13.7 C (56.7 F)	28 of 100 (Routine)
Delphi 2 N	United States	Record daily precipitation	48.3 mm (1.9 in)	28 of 100 (Routine)
Apsley	Australia	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Hoburg	Sweden	Record daily precipitation	27.5 mm (1.1 in)	24 of 100 (Routine)
Canon City	United States	Record low maximum temperature	11.1 C (52.0 F)	24 of 100 (Routine)
Schriever	United States	Record daily precipitation	45.7 mm (1.8 in)	23 of 100 (Routine)
Tulsa	United States	Record daily precipitation	33.5 mm (1.3 in)	23 of 100 (Routine)
Moab	United States	Record low maximum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Praha-Klementinum	Czech Republic	Record daily precipitation	13.9 mm (0.5 in)	20 of 100 (Routine)
Tartu	Estonia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Visby_Flygplats	Sweden	Record daily precipitation	22.2 mm (0.9 in)	20 of 100 (Routine)
Tot-Ma	Russia	Record daily precipitation	17.1 mm (0.7 in)	20 of 100 (Routine)
Falun	Sweden	Record daily precipitation	18.7 mm (0.7 in)	20 of 100 (Routine)
Kalmar_D	Sweden	Record daily precipitation	24.0 mm (0.9 in)	20 of 100 (Routine)
Orebro	Sweden	Record daily precipitation	23.7 mm (0.9 in)	20 of 100 (Routine)
Ellesmere	South Africa	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record daily precipitation	16.6 mm (0.7 in)	20 of 100 (Routine)
Las Vegas 2 NW	United States	Record low maximum temperature	16.1 C (61.0 F)	20 of 100 (Routine)
Cooperstown	United States	Record low minimum temperature	-3.9 C (25.0 F)	20 of 100 (Routine)
Euston Station	Australia	Record daily precipitation	9.9 mm (0.39 in)	19 of 100 (Routine)
Buckeye	United States	Record low maximum temperature	32.8 C (91.0 F)	19 of 100 (Routine)
Rockville	United States	Record daily precipitation	42.7 mm (1.7 in)	19 of 100 (Routine)
Carlinville	United States	Record daily precipitation	39.9 mm (1.6 in)	18 of 100 (Routine)
Texarkana Webb Fld	United States	Record daily precipitation	31.0 mm (1.2 in)	18 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low minimum temperature	12.0 C (53.6 F)	17 of 100 (Routine)
Kremsmuenster	Austria	Record daily precipitation	20.2 mm (0.8 in)	17 of 100 (Routine)
Buckeye	United States	Record daily precipitation	16.3 mm (0.6 in)	17 of 100 (Routine)
Las Animas	United States	Record low maximum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Brunswick	United States	Record daily precipitation	24.6 mm (1.0 in)	17 of 100 (Routine)
Belvidere	United States	Record low minimum temperature	2.2 C (36.0 F)	16 of 100 (Routine)
Dover	United States	Record low minimum temperature	1.1 C (34.0 F)	16 of 100 (Routine)
Somerville 4 NW	United States	Record low minimum temperature	1.1 C (34.0 F)	16 of 100 (Routine)
Camden 1	United States	Record daily precipitation	39.9 mm (1.6 in)	15 of 100 (Routine)
Sedan	United States	Record daily precipitation	37.1 mm (1.5 in)	15 of 100 (Routine)
Charlotteburg Rsvr	United States	Record low minimum temperature	-2.2 C (28.0 F)	15 of 100 (Routine)
Park Rapids Muni AP	United States	Record daily precipitation	20.6 mm (0.8 in)	15 of 100 (Routine)
Paris Stp	United States	Record daily precipitation	45.7 mm (1.8 in)	14 of 100 (Routine)
Harrisburg - Coop	United States	Record low minimum temperature	6.7 C (44.1 F)	14 of 100 (Routine)
Wellsboro	United States	Record low minimum temperature	-2.2 C (28.0 F)	14 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record daily precipitation	23.4 mm (0.9 in)	13 of 100 (Routine)
Cairns Post Office	Australia	Record low minimum temperature	13.3 C (55.9 F)	12 of 100 (Routine)
Mackay Post Office	Australia	Record low minimum temperature	11.0 C (51.8 F)	12 of 100 (Routine)
Savanne	Canada	Record daily precipitation	22.9 mm (0.9 in)	12 of 100 (Routine)
Lady Grey (Pol)	South Africa	Record daily precipitation	7.9 mm (0.31 in)	12 of 100 (Routine)
Fulton	United States	Record daily precipitation	24.4 mm (1.0 in)	12 of 100 (Routine)
Bartow 1SE	United States	Record daily precipitation	73.2 mm (2.9 in)	12 of 100 (Routine)
Beaver City	United States	Record low maximum temperature	16.1 C (61.0 F)	12 of 100 (Routine)
Paterson	United States	Record low minimum temperature	6.7 C (44.1 F)	12 of 100 (Routine)
Fillmore	United States	Record low maximum temperature	20.0 C (68.0 F)	12 of 100 (Routine)
Grenfell	Canada	Record low minimum temperature	-3.9 C (25.0 F)	11 of 100 (Routine)
Darlington	United States	Record low minimum temperature	3.9 C (39.0 F)	11 of 100 (Routine)
Hebron	United States	Record low maximum temperature	15.6 C (60.1 F)	11 of 100 (Routine)
Hanover	United States	Record low minimum temperature	-0.6 C (30.9 F)	11 of 100 (Routine)
Bridgeton 1 NE	United States	Record low minimum temperature	6.7 C (44.1 F)	11 of 100 (Routine)
Moorestown 4 E	United States	Record low minimum temperature	6.1 C (43.0 F)	11 of 100 (Routine)

Counts by Type and Timescale

114 records

Records set or tied on 18 September 1923 by type: Highest daily maximum 3, Lowest daily maximum 14, Highest daily minimum 6, Lowest daily minimum 40, Heaviest daily rainfall 51.

Records on 18 September 1923 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	14
Highest daily minimum	6
Lowest daily minimum	40
Heaviest daily rainfall	51
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1923 by timescale: all-time 0, monthly 1, daily 113.

How Much Records Were Beaten By

97 broken records

Margins by which the 97 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.5. Ties are not counted.

Top 20 by Significance

18 September 1923

Top 20 records on 18 September 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1923	Sveg, SE	daily rain	29.6 mm (1.2 in)	21.4 mm (0.8 in)	26 years	51 of 100 (Notable)
18 September 1923	Godegard, SE	daily rain	33.1 mm (1.3 in)	20.8 mm (0.8 in)	4 years	39 of 100 (Notable)
18 September 1923	Nemours (Ghazaouet), DZ	daily low max	20.0 C (68.0 F)	4.0 C (7.2 F)	33 years	32 of 100 (Routine)
18 September 1923	Tomahawk Creek (Irrewillipe Ea, AU	daily rain	27.7 mm (1.1 in)	12.0 mm (0.5 in)	29 years	31 of 100 (Routine)
18 September 1923	Malung, SE	daily rain	27.3 mm (1.1 in)	10.7 mm (0.4 in)	26 years	29 of 100 (Routine)
18 September 1923	Melbourne Regional Office, AU	daily high min	13.7 C (56.7 F)	1.4 C (2.5 F)	60 years	28 of 100 (Routine)
18 September 1923	Delphi 2 N, US	daily rain	48.3 mm (1.9 in)	27.7 mm (1.1 in)	12 years	28 of 100 (Routine)
18 September 1923	Apsley, AU	daily rain	30.5 mm (1.2 in)	11.2 mm (0.4 in)	1 year	24 of 100 (Routine)
18 September 1923	Hoburg, SE	daily rain	27.5 mm (1.1 in)	14.5 mm (0.6 in)	4 years	24 of 100 (Routine)
18 September 1923	Canon City, US	daily low max	11.1 C (52.0 F)	8.3 C (14.9 F)	16 years	24 of 100 (Routine)
18 September 1923	Schriever, US	daily rain	45.7 mm (1.8 in)	30.5 mm (1.2 in)	9 years	23 of 100 (Routine)
18 September 1923	Tulsa, US	daily rain	33.5 mm (1.3 in)	23.1 mm (0.9 in)	10 years	23 of 100 (Routine)
18 September 1923	Moab, US	daily low max	16.7 C (62.1 F)	6.1 C (11.0 F)	17 years	22 of 100 (Routine)
18 September 1923	Praha-Klementinum, CZ	daily rain	13.9 mm (0.5 in)	5.9 mm (0.23 in)	109 years	20 of 100 (Routine)
18 September 1923	Tartu, EE	daily rain	21.6 mm (0.9 in)	9.8 mm (0.39 in)	38 years	20 of 100 (Routine)
18 September 1923	Visby_Flygplats, SE	daily rain	22.2 mm (0.9 in)	7.6 mm (0.30 in)	56 years	20 of 100 (Routine)
18 September 1923	Tot-Ma, RU	daily rain	17.1 mm (0.7 in)	9.0 mm (0.35 in)	29 years	20 of 100 (Routine)
18 September 1923	Falun, SE	daily rain	18.7 mm (0.7 in)	2.1 mm (0.08 in)	58 years	20 of 100 (Routine)
18 September 1923	Kalmar_D, SE	daily rain	24.0 mm (0.9 in)	9.0 mm (0.35 in)	4 years	20 of 100 (Routine)
18 September 1923	Orebro, SE	daily rain	23.7 mm (0.9 in)	9.3 mm (0.37 in)	6 years	20 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

1803 to 1923

Records set or tied on this calendar date in each year from 1803 to 1923. 1923 had 114 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 1923-09-18: 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	64
5 to 10	15
10 to 15	9
15 to 20	3
20 to 25	4
25 to 30	1
30 to 35	1