Weather Records on 18 September 1924

62 weather records were set or tied worldwide on 18 September 1924. Highest significance: Halifax, CA.

Key Facts for 18 September 1924

On 18 September 1924, 62 weather records were set or tied at long-record stations worldwide.
11 were record highs and 28 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 62 daily.
Halifax set a daily record precipitation of 64.3 mm (2.5 in) on 18 September 1924.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 423 records.

Record Map

62 stations

62 station records on 18 September 1924 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1924: highest significance records shown on the map
Station	Country	Type	Value	Significance
Halifax	Canada	Record daily precipitation	64.3 mm (2.5 in)	33 of 100 (Routine)
Tarnaby	Sweden	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Yalta	Ukraine	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Sable Island	Canada	Record daily precipitation	42.7 mm (1.7 in)	30 of 100 (Routine)
Federal Pt	United States	Record low minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Outalpa	Australia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Calgary Int'l A	Canada	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Haparanda	Sweden	Record daily precipitation	14.1 mm (0.6 in)	18 of 100 (Routine)
Demopolis Lock 4	United States	Record daily precipitation	46.5 mm (1.8 in)	18 of 100 (Routine)
Malvern	United States	Record low maximum temperature	21.1 C (70.0 F)	18 of 100 (Routine)
Tarboro 1 S	United States	Record low maximum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record high minimum temperature	18.0 C (64.4 F)	17 of 100 (Routine)
Timovskoe	Russia	Record daily precipitation	28.2 mm (1.1 in)	17 of 100 (Routine)
Joseph	United States	Record low minimum temperature	-3.9 C (25.0 F)	16 of 100 (Routine)
Laramie	United States	Record daily precipitation	11.4 mm (0.4 in)	15 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	10.0 C (50.0 F)	14 of 100 (Routine)
Weldon	United States	Record low maximum temperature	18.3 C (64.9 F)	14 of 100 (Routine)
Shenkursk	Russia	Record daily precipitation	12.5 mm (0.5 in)	13 of 100 (Routine)
Leroy 5 WSW	United States	Record daily precipitation	19.3 mm (0.8 in)	13 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record daily precipitation	15.7 mm (0.6 in)	13 of 100 (Routine)
Ashland	United States	Record low minimum temperature	7.8 C (46.0 F)	13 of 100 (Routine)
Greensboro	United States	Record daily precipitation	36.8 mm (1.4 in)	12 of 100 (Routine)
Mena	United States	Record low maximum temperature	19.4 C (66.9 F)	12 of 100 (Routine)
Colby	United States	Record low maximum temperature	15.0 C (59.0 F)	12 of 100 (Routine)
Aberdeen	United States	Record low minimum temperature	1.7 C (35.1 F)	12 of 100 (Routine)
Quesnel	Canada	Record daily precipitation	8.4 mm (0.33 in)	11 of 100 (Routine)
Banff	Canada	Record daily precipitation	8.6 mm (0.34 in)	11 of 100 (Routine)
Scottsboro	United States	Record low minimum temperature	7.2 C (45.0 F)	11 of 100 (Routine)
Prescott 2 NNW	United States	Record low maximum temperature	22.8 C (73.0 F)	11 of 100 (Routine)
Whroo	Australia	Record daily precipitation	12.2 mm (0.5 in)	10 of 100 (Routine)
Kargopol	Russia	Record high minimum temperature	10.0 C (50.0 F)	10 of 100 (Routine)
Hot Springs 1 NNE	United States	Record daily precipitation	20.1 mm (0.8 in)	10 of 100 (Routine)
Texarkana Webb Fld	United States	Record low maximum temperature	25.0 C (77.0 F)	10 of 100 (Routine)
Horton	United States	Record low maximum temperature	15.6 C (60.1 F)	9 of 100 (Routine)
Lake	United States	Record daily precipitation	32.5 mm (1.3 in)	9 of 100 (Routine)
Arapaho	United States	Record low maximum temperature	22.2 C (72.0 F)	9 of 100 (Routine)
Pendleton Dwtn	United States	Record low maximum temperature	18.3 C (64.9 F)	9 of 100 (Routine)
Fillmore	United States	Record high minimum temperature	15.0 C (59.0 F)	9 of 100 (Routine)
Winnibigoshish Dam	United States	Record daily precipitation	8.1 mm (0.32 in)	8 of 100 (Routine)
Glendive	United States	Record high minimum temperature	15.6 C (60.1 F)	8 of 100 (Routine)
Coronga Downs	Australia	Record daily precipitation	15.2 mm (0.6 in)	7 of 100 (Routine)
Kamloops	Canada	Record low maximum temperature	12.8 C (55.0 F)	7 of 100 (Routine)
Cottbus	Germany	Record high minimum temperature	15.1 C (59.2 F)	7 of 100 (Routine)
Mena	United States	Record daily precipitation	9.4 mm (0.37 in)	5 of 100 (Routine)
Spokane Intl AP	United States	Record daily precipitation	5.8 mm (0.23 in)	5 of 100 (Routine)
Escondido	United States	Record low maximum temperature	24.4 C (75.9 F)	4 of 100 (Routine)
Runnymede Spottsville	United States	Record low maximum temperature	21.7 C (71.1 F)	4 of 100 (Routine)
Spokane Intl AP	United States	Record low maximum temperature	13.9 C (57.0 F)	3 of 100 (Routine)
Sfax El-Maou	Tunisia	Record low minimum temperature	15.0 C (59.0 F)	2 of 100 (Routine)
Winkelman 6 S	United States	Record high minimum temperature	23.3 C (73.9 F)	2 of 100 (Routine)
Bee Branch	United States	Record low maximum temperature	22.2 C (72.0 F)	2 of 100 (Routine)
Little Rock St Capitol	United States	Record low maximum temperature	20.0 C (68.0 F)	2 of 100 (Routine)
New Smyrna Beach	United States	Record low minimum temperature	18.3 C (64.9 F)	2 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record high maximum temperature	35.0 C (95.0 F)	2 of 100 (Routine)
Baton Rouge	United States	Record high minimum temperature	22.8 C (73.0 F)	2 of 100 (Routine)
Plain Dealing	United States	Record low maximum temperature	25.0 C (77.0 F)	2 of 100 (Routine)
Columbia Falls 5 SW	United States	Record low minimum temperature	-2.8 C (27.0 F)	2 of 100 (Routine)
Biskra	Algeria	Record high minimum temperature	25.0 C (77.0 F)	1 of 100 (Routine)
Porthill	United States	Record low maximum temperature	11.1 C (52.0 F)	1 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record high maximum temperature	32.8 C (91.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

62 records

Records set or tied on 18 September 1924 by type: Highest daily maximum 2, Lowest daily maximum 20, Highest daily minimum 9, Lowest daily minimum 8, Heaviest daily rainfall 23.

Records on 18 September 1924 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	20
Highest daily minimum	9
Lowest daily minimum	8
Heaviest daily rainfall	23
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1924 by timescale: all-time 0, monthly 0, daily 62.

How Much Records Were Beaten By

47 broken records

Margins by which the 47 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.3. Ties are not counted.

Top 20 by Significance

18 September 1924

Top 20 records on 18 September 1924 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1924	Halifax, CA	daily rain	64.3 mm (2.5 in)	25.9 mm (1.0 in)	27 years	33 of 100 (Routine)
18 September 1924	Tarnaby, SE	daily rain	25.4 mm (1.0 in)	7.8 mm (0.31 in)	24 years	32 of 100 (Routine)
18 September 1924	Yalta, UA	daily rain	30.5 mm (1.2 in)	26.3 mm (1.0 in)	3 years	32 of 100 (Routine)
18 September 1924	Sable Island, CA	daily rain	42.7 mm (1.7 in)	21.9 mm (0.9 in)	24 years	30 of 100 (Routine)
18 September 1924	Federal Pt, US	daily low min	15.6 C (60.1 F)	2.2 C (4.0 F)	28 years	24 of 100 (Routine)
18 September 1924	Outalpa, AU	daily rain	23.9 mm (0.9 in)	16.8 mm (0.7 in)	3 years	20 of 100 (Routine)
18 September 1924	Calgary Int'l A, CA	daily rain	15.2 mm (0.6 in)	9.1 mm (0.36 in)	20 years	20 of 100 (Routine)
18 September 1924	Haparanda, SE	daily rain	14.1 mm (0.6 in)	3.9 mm (0.15 in)	23 years	18 of 100 (Routine)
18 September 1924	Demopolis Lock 4, US	daily rain	46.5 mm (1.8 in)	16.5 mm (0.6 in)	23 years	18 of 100 (Routine)
18 September 1924	Malvern, US	daily low max	21.1 C (70.0 F)	2.2 C (4.0 F)	34 years	18 of 100 (Routine)
18 September 1924	Tarboro 1 S, US	daily low max	20.0 C (68.0 F)	5.6 C (10.1 F)	8 years	18 of 100 (Routine)
18 September 1924	Sidi-Bel-Abbes, DZ	daily high min	18.0 C (64.4 F)	0.8 C (1.4 F)	39 years	17 of 100 (Routine)
18 September 1924	Timovskoe, RU	daily rain	28.2 mm (1.1 in)	10.0 mm (0.4 in)	8 years	17 of 100 (Routine)
18 September 1924	Joseph, US	daily low min	-3.9 C (25.0 F)	1.7 C (3.1 F)	30 years	16 of 100 (Routine)
18 September 1924	Laramie, US	daily rain	11.4 mm (0.4 in)	4.3 mm (0.17 in)	18 years	15 of 100 (Routine)
18 September 1924	Prince Albert, CA	daily high min	10.0 C (50.0 F)	1.1 C (2.0 F)	28 years	14 of 100 (Routine)
18 September 1924	Weldon, US	daily low max	18.3 C (64.9 F)	3.4 C (6.1 F)	7 years	14 of 100 (Routine)
18 September 1924	Shenkursk, RU	daily rain	12.5 mm (0.5 in)	3.4 mm (0.13 in)	8 years	13 of 100 (Routine)
18 September 1924	Leroy 5 WSW, US	daily rain	19.3 mm (0.8 in)	5.1 mm (0.20 in)	19 years	13 of 100 (Routine)
18 September 1924	Bozeman Montana State UNIV, US	daily rain	15.7 mm (0.6 in)	2.2 mm (0.09 in)	24 years	13 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 1924

Records set or tied on this calendar date in each year from 1803 to 1924. 1924 had 62 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 1924-09-18: 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	35
5 to 10	5
10 to 15	2
15 to 20	2
20 to 25	1
25 to 30	2