Weather Records on 20 September 1950

435 weather records were set or tied worldwide on 20 September 1950. Highest significance: Warburton, AU.

Key Facts for 20 September 1950

On 20 September 1950, 435 weather records were set or tied at long-record stations worldwide.
39 were record highs and 92 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 419 daily.
Warburton set a daily record precipitation of 63.2 mm (2.5 in) on 20 September 1950.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 442 records.

Record Map

435 stations

435 station records on 20 September 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Warburton	Australia	Record daily precipitation	63.2 mm (2.5 in)	59 of 100 (Notable)
Armour	United States	Record daily precipitation	112.8 mm (4.4 in)	59 of 100 (Notable)
Geneva	United States	Record daily precipitation	87.6 mm (3.4 in)	56 of 100 (Notable)
Minden	United States	Record daily precipitation	95.3 mm (3.8 in)	56 of 100 (Notable)
Gembrook	Australia	Record daily precipitation	41.7 mm (1.6 in)	55 of 100 (Notable)
Mornington	Australia	Record daily precipitation	29.2 mm (1.1 in)	54 of 100 (Notable)
Ramanagar	India	Record daily precipitation	199.1 mm (7.8 in)	53 of 100 (Notable)
Holdrege	United States	Record daily precipitation	72.4 mm (2.9 in)	53 of 100 (Notable)
Rockville	United States	Record daily precipitation	67.1 mm (2.6 in)	52 of 100 (Notable)
Vivian	United States	Record daily precipitation	77.5 mm (3.1 in)	52 of 100 (Notable)
Silvan State School	Australia	Record daily precipitation	55.9 mm (2.2 in)	51 of 100 (Notable)
Gangapur	India	Record daily precipitation	169.7 mm (6.7 in)	51 of 100 (Notable)
Nelson	United States	Record daily precipitation	117.6 mm (4.6 in)	51 of 100 (Notable)
Hilland 2 NW	United States	Record daily precipitation	45.7 mm (1.8 in)	51 of 100 (Notable)
Kennebec	United States	Record daily precipitation	53.3 mm (2.1 in)	51 of 100 (Notable)
Butte	United States	Record daily precipitation	77.5 mm (3.1 in)	50 of 100 (Notable)
Upland 2NE	United States	Record daily precipitation	74.7 mm (2.9 in)	49 of 100 (Notable)
South Pass City	United States	Record daily precipitation	25.1 mm (1.0 in)	49 of 100 (Notable)
Sassafras Post Office	Australia	Record daily precipitation	56.4 mm (2.2 in)	48 of 100 (Notable)
Alexandria	United States	Record daily precipitation	54.4 mm (2.1 in)	48 of 100 (Notable)
Rokewood (Kuruc A Ruc)	Australia	Record daily precipitation	33.8 mm (1.3 in)	47 of 100 (Notable)
Murrawombi	Australia	Record daily precipitation	54.4 mm (2.1 in)	45 of 100 (Notable)
Crawfordsville Pwr Plt	United States	Record daily precipitation	114.6 mm (4.5 in)	45 of 100 (Notable)
Hopewell 1 SE	United States	Record daily precipitation	114.8 mm (4.5 in)	45 of 100 (Notable)
Howard	United States	Record daily precipitation	67.1 mm (2.6 in)	45 of 100 (Notable)
Hewitt	United States	Record daily precipitation	74.7 mm (2.9 in)	45 of 100 (Notable)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	47.8 mm (1.9 in)	44 of 100 (Notable)
Ringwood	Australia	Record daily precipitation	28.4 mm (1.1 in)	44 of 100 (Notable)
Frankston 1	Australia	Record daily precipitation	32.8 mm (1.3 in)	43 of 100 (Notable)
Franklin	United States	Record daily precipitation	55.9 mm (2.2 in)	43 of 100 (Notable)
Crowell	United States	Record daily precipitation	83.8 mm (3.3 in)	42 of 100 (Notable)
Beenak	Australia	Record daily precipitation	49.8 mm (2.0 in)	41 of 100 (Notable)
Lilydale	Australia	Record daily precipitation	28.4 mm (1.1 in)	41 of 100 (Notable)
Jammu (In-AFB)	India	Record daily precipitation	142.2 mm (5.6 in)	41 of 100 (Notable)
Nowshera	India	Record daily precipitation	111.8 mm (4.4 in)	41 of 100 (Notable)
Bedford	United States	Record daily precipitation	71.1 mm (2.8 in)	41 of 100 (Notable)
Pikeville	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Lead	United States	Record daily precipitation	41.4 mm (1.6 in)	41 of 100 (Notable)
Wagner	United States	Record daily precipitation	48.5 mm (1.9 in)	41 of 100 (Notable)
Dandenong Post Office	Australia	Record daily precipitation	33.3 mm (1.3 in)	40 of 100 (Notable)
Meredith	Australia	Record daily precipitation	25.9 mm (1.0 in)	40 of 100 (Notable)
Hamilton	United States	Record daily precipitation	49.8 mm (2.0 in)	40 of 100 (Notable)
White Lake	United States	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Moab	United States	Record daily precipitation	33.8 mm (1.3 in)	39 of 100 (Notable)
Riverton	United States	Record daily precipitation	39.1 mm (1.5 in)	39 of 100 (Notable)
Fairmont	United States	Record daily precipitation	65.3 mm (2.6 in)	38 of 100 (Notable)
Peebles 1 S	United States	Record daily precipitation	64.3 mm (2.5 in)	38 of 100 (Notable)
Hardy Rs	United States	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Croydon (Samuel Street)	Australia	Record daily precipitation	27.2 mm (1.1 in)	37 of 100 (Notable)
Kulgam	India	Record daily precipitation	91.2 mm (3.6 in)	37 of 100 (Notable)
Sidney 6NNW	United States	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Hamilton Fairfield	United States	Record daily precipitation	51.6 mm (2.0 in)	37 of 100 (Notable)
Deerfield Dam	United States	Record daily precipitation	33.8 mm (1.3 in)	37 of 100 (Notable)
Dumont 2 ENE	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Windsor	United States	Record daily precipitation	65.3 mm (2.6 in)	36 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	42.4 mm (1.7 in)	36 of 100 (Notable)
Silvan	Australia	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Amroha	India	Record daily precipitation	122.9 mm (4.8 in)	35 of 100 (Notable)
La Harpe	United States	Record daily precipitation	64.5 mm (2.5 in)	35 of 100 (Notable)
Burr Oak 4S	United States	Record daily precipitation	43.2 mm (1.7 in)	35 of 100 (Notable)

Counts by Type and Timescale

435 records

Records set or tied on 20 September 1950 by type: Highest daily maximum 16, Lowest daily maximum 32, Highest daily minimum 23, Lowest daily minimum 60, Heaviest daily rainfall 304.

Records on 20 September 1950 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	32
Highest daily minimum	23
Lowest daily minimum	60
Heaviest daily rainfall	304
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 1950 by timescale: all-time 1, monthly 15, daily 419.

How Much Records Were Beaten By

386 broken records

Margins by which the 386 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 143.7. Ties are not counted.

Top 20 by Significance

20 September 1950

Top 20 records on 20 September 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1950	Warburton, AU	daily rain	63.2 mm (2.5 in)	39.3 mm (1.5 in)	41 years	59 of 100 (Notable)
20 September 1950	Armour, US	monthly rain	112.8 mm (4.4 in)	51.1 mm (2.0 in)	15 years	59 of 100 (Notable)
20 September 1950	Geneva, US	daily rain	87.6 mm (3.4 in)	73.9 mm (2.9 in)	39 years	56 of 100 (Notable)
20 September 1950	Minden, US	daily rain	95.3 mm (3.8 in)	72.2 mm (2.8 in)	39 years	56 of 100 (Notable)
20 September 1950	Gembrook, AU	daily rain	41.7 mm (1.6 in)	24.7 mm (1.0 in)	65 years	55 of 100 (Notable)
20 September 1950	Mornington, AU	daily rain	29.2 mm (1.1 in)	20.3 mm (0.8 in)	41 years	54 of 100 (Notable)
20 September 1950	Ramanagar, IN	daily rain	199.1 mm (7.8 in)	143.7 mm (5.7 in)	28 years	53 of 100 (Notable)
20 September 1950	Holdrege, US	daily rain	72.4 mm (2.9 in)	47.3 mm (1.9 in)	48 years	53 of 100 (Notable)
20 September 1950	Rockville, US	daily rain	67.1 mm (2.6 in)	55.7 mm (2.2 in)	25 years	52 of 100 (Notable)
20 September 1950	Vivian, US	monthly rain	77.5 mm (3.1 in)	30.3 mm (1.2 in)	4 years	52 of 100 (Notable)
20 September 1950	Silvan State School, AU	daily rain	55.9 mm (2.2 in)	44.7 mm (1.8 in)	20 years	51 of 100 (Notable)
20 September 1950	Gangapur, IN	daily rain	169.7 mm (6.7 in)	87.1 mm (3.4 in)	28 years	51 of 100 (Notable)
20 September 1950	Nelson, US	all-time rain	117.6 mm (4.6 in)	21.8 mm (0.9 in)	39 years	51 of 100 (Notable)
20 September 1950	Hilland 2 NW, US	daily rain	45.7 mm (1.8 in)	34.5 mm (1.4 in)	25 years	51 of 100 (Notable)
20 September 1950	Kennebec, US	daily rain	53.3 mm (2.1 in)	43.9 mm (1.7 in)	21 years	51 of 100 (Notable)
20 September 1950	Butte, US	daily rain	77.5 mm (3.1 in)	70.4 mm (2.8 in)	21 years	50 of 100 (Notable)
20 September 1950	Upland 2NE, US	daily rain	74.7 mm (2.9 in)	72.2 mm (2.8 in)	21 years	49 of 100 (Notable)
20 September 1950	South Pass City, US	daily rain	25.1 mm (1.0 in)	19.0 mm (0.7 in)	24 years	49 of 100 (Notable)
20 September 1950	Sassafras Post Office, AU	daily rain	56.4 mm (2.2 in)	30.0 mm (1.2 in)	36 years	48 of 100 (Notable)
20 September 1950	Alexandria, US	daily rain	54.4 mm (2.1 in)	39.2 mm (1.5 in)	48 years	48 of 100 (Notable)

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 1950

Records set or tied on this calendar date in each year from 1812 to 1950. 1950 had 435 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 1950-09-20: 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).

Margin	Records
0 to 20	301
20 to 40	59
40 to 60	14
60 to 80	8
80 to 100	3
100 to 120	0
120 to 140	0
140 to 160	1