Weather Records on 20 September 1924

329 weather records were set or tied worldwide on 20 September 1924. Highest significance: Alexandria, AU.

Key Facts for 20 September 1924

On 20 September 1924, 329 weather records were set or tied at long-record stations worldwide.
102 were record highs and 30 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 317 daily.
Alexandria set a monthly record daily precipitation of 51.1 mm (2.0 in) on 20 September 1924.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 443 records.

Record Map

329 stations

329 station records on 20 September 1924 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1924: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alexandria	Australia	Record daily precipitation	51.1 mm (2.0 in)	44 of 100 (Notable)
1 N McLeansboro	United States	Record daily precipitation	57.4 mm (2.3 in)	44 of 100 (Notable)
Evansville Ft Court STN	United States	Record daily precipitation	111.8 mm (4.4 in)	41 of 100 (Notable)
Manna Hill	Australia	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Millicent	Australia	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Minto	United States	Record daily precipitation	49.0 mm (1.9 in)	37 of 100 (Notable)
Gobarralong	Australia	Record daily precipitation	35.1 mm (1.4 in)	36 of 100 (Notable)
Arcadia	United States	Record daily precipitation	94.5 mm (3.7 in)	36 of 100 (Notable)
Curnomona (Curnamona)	Australia	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Wentworth (Cuthero)	Australia	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Yunta (Winnininnie)	Australia	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Renmark	Australia	Record daily precipitation	25.1 mm (1.0 in)	32 of 100 (Routine)
Sandvig	Denmark	Record high maximum temperature	21.9 C (71.4 F)	31 of 100 (Routine)
Marengo	United States	Record daily precipitation	58.4 mm (2.3 in)	31 of 100 (Routine)
Morden	Canada	Record daily precipitation	54.6 mm (2.1 in)	30 of 100 (Routine)
Woodstock	Canada	Record daily precipitation	32.0 mm (1.3 in)	30 of 100 (Routine)
Eudunda	Australia	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Port Augusta (Yarley)	Australia	Record daily precipitation	26.7 mm (1.1 in)	28 of 100 (Routine)
Olney 2S	United States	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Scottsburg	United States	Record daily precipitation	29.5 mm (1.2 in)	27 of 100 (Routine)
Mt Vernon	United States	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)
Oakbank	Canada	Record daily precipitation	53.1 mm (2.1 in)	25 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record high maximum temperature	24.7 C (76.5 F)	25 of 100 (Routine)
Smeaton Weir	Australia	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Sparta 1 W	United States	Record daily precipitation	44.2 mm (1.7 in)	24 of 100 (Routine)
Vincennes 4 E	United States	Record daily precipitation	39.6 mm (1.6 in)	24 of 100 (Routine)
Brookhaven City	United States	Record high minimum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Farrell Flat	Australia	Record daily precipitation	26.4 mm (1.0 in)	23 of 100 (Routine)
Columbus Dardc	United States	Record daily precipitation	39.4 mm (1.6 in)	23 of 100 (Routine)
Mascoutah	United States	Record daily precipitation	52.3 mm (2.1 in)	23 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record high minimum temperature	26.1 C (79.0 F)	23 of 100 (Routine)
Austin #2	United States	Record low minimum temperature	-6.7 C (19.9 F)	23 of 100 (Routine)
Quorn (Olive Grove)	Australia	Record daily precipitation	25.4 mm (1.0 in)	22 of 100 (Routine)
Ottawa 4SW	United States	Record daily precipitation	44.7 mm (1.8 in)	22 of 100 (Routine)
Woodville 4 ESE	United States	Record high minimum temperature	26.1 C (79.0 F)	21 of 100 (Routine)
Overland Corner	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Box Creek Tank	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Waukaringa	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Malin Head	Ireland	Record daily precipitation	24.7 mm (1.0 in)	20 of 100 (Routine)
Oxford	United Kingdom	Record daily precipitation	14.3 mm (0.6 in)	20 of 100 (Routine)
Koonamore	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Murtho Post Office	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Quorn (Round Hill)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Enngonia (Morton Plains)	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Morgan Post Office	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Napoleon	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Sedan	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Tareena	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Arrowie	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Stuarts Creek	Australia	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Mannum Council Depot	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Yudnapinna	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Port Augusta (Carriewerloo STN	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Blinman (Wirrealpa)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Gammon Ranges (Wooltana)	Australia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Booleroo (Wimont)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Port Germein	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Juanbung	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Neds Corner Homestead	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Port Augusta (Saltia)	Australia	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)

Counts by Type and Timescale

329 records

Records set or tied on 20 September 1924 by type: Highest daily maximum 42, Lowest daily maximum 18, Highest daily minimum 60, Lowest daily minimum 12, Heaviest daily rainfall 196, Heaviest daily snowfall 1.

Records on 20 September 1924 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	18
Highest daily minimum	60
Lowest daily minimum	12
Heaviest daily rainfall	196
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 20 September 1924 by timescale: all-time 0, monthly 12, daily 317.

How Much Records Were Beaten By

287 broken records

Margins by which the 287 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 49.8. Ties are not counted.

Top 20 by Significance

20 September 1924

Top 20 records on 20 September 1924 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1924	Alexandria, AU	monthly rain	51.1 mm (2.0 in)	28.2 mm (1.1 in)	12 years	44 of 100 (Notable)
20 September 1924	1 N McLeansboro, US	daily rain	57.4 mm (2.3 in)	49.8 mm (2.0 in)	11 years	44 of 100 (Notable)
20 September 1924	Evansville Ft Court STN, US	monthly rain	111.8 mm (4.4 in)	36.6 mm (1.4 in)	4 years	41 of 100 (Notable)
20 September 1924	Manna Hill, AU	daily rain	27.9 mm (1.1 in)	23.1 mm (0.9 in)	7 years	39 of 100 (Notable)
20 September 1924	Millicent, AU	daily rain	29.2 mm (1.1 in)	18.0 mm (0.7 in)	1 year	39 of 100 (Notable)
20 September 1924	Minto, US	daily rain	49.0 mm (1.9 in)	34.8 mm (1.4 in)	12 years	37 of 100 (Notable)
20 September 1924	Gobarralong, AU	daily rain	35.1 mm (1.4 in)	19.1 mm (0.8 in)	16 years	36 of 100 (Notable)
20 September 1924	Arcadia, US	daily rain	94.5 mm (3.7 in)	49.5 mm (1.9 in)	7 years	36 of 100 (Notable)
20 September 1924	Curnomona (Curnamona), AU	daily rain	25.9 mm (1.0 in)	24.6 mm (1.0 in)	23 years	35 of 100 (Notable)
20 September 1924	Wentworth (Cuthero), AU	daily rain	32.0 mm (1.3 in)	16.0 mm (0.6 in)	39 years	35 of 100 (Notable)
20 September 1924	Yunta (Winnininnie), AU	daily rain	27.9 mm (1.1 in)	17.5 mm (0.7 in)	31 years	33 of 100 (Routine)
20 September 1924	Renmark, AU	daily rain	25.1 mm (1.0 in)	14.7 mm (0.6 in)	32 years	32 of 100 (Routine)
20 September 1924	Sandvig, DK	daily high max	21.9 C (71.4 F)	3.8 C (6.8 F)	41 years	31 of 100 (Routine)
20 September 1924	Marengo, US	daily rain	58.4 mm (2.3 in)	35.5 mm (1.4 in)	7 years	31 of 100 (Routine)
20 September 1924	Morden, CA	monthly rain	54.6 mm (2.1 in)	6.6 mm (0.26 in)	34 years	30 of 100 (Routine)
20 September 1924	Woodstock, CA	daily rain	32.0 mm (1.3 in)	20.6 mm (0.8 in)	17 years	30 of 100 (Routine)
20 September 1924	Eudunda, AU	daily rain	29.2 mm (1.1 in)	7.9 mm (0.31 in)	37 years	29 of 100 (Routine)
20 September 1924	Port Augusta (Yarley), AU	daily rain	26.7 mm (1.1 in)	20.9 mm (0.8 in)	1 year	28 of 100 (Routine)
20 September 1924	Olney 2S, US	daily rain	36.8 mm (1.4 in)	30.7 mm (1.2 in)	11 years	28 of 100 (Routine)
20 September 1924	Scottsburg, US	daily rain	29.5 mm (1.2 in)	20.6 mm (0.8 in)	24 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

1812 to 1924

Records set or tied on this calendar date in each year from 1812 to 1924. 1924 had 329 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 1924-09-20: 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).

Histogram of margins by which records were beaten on 20 September 1924
Margin	Records
0 to 10	231
10 to 20	36
20 to 30	12
30 to 40	6
40 to 50	2