Weather Records on 4 September 1920

105 weather records were set or tied worldwide on 4 September 1920. Highest significance: Tbilisi, GE.

Key Facts for 4 September 1920

On 4 September 1920, 105 weather records were set or tied at long-record stations worldwide.
5 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 105 daily.
Tbilisi set a daily record precipitation of 51.6 mm (2.0 in) on 4 September 1920.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 453 records.

Record Map

105 stations

105 station records on 4 September 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tbilisi	Georgia	Record daily precipitation	51.6 mm (2.0 in)	44 of 100 (Notable)
Bomera	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Burburgate	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Dumble	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Brisbane Regional Office	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Gigoomgan	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Mogil Mogil (Benimora)	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Ediacara	Australia	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Mullaley (Bando)	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Gnomery	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Gunnedah Pool	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Gilgoin	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Ipswich	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Merrywinbone (Oreel)	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Binnaway (Hawthorne)	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Collarenebri (Albert St)	Australia	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Condong Sugar Mill	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Gloucester Post Office	Australia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Queanbeyan 2	Australia	Record daily precipitation	25.4 mm (1.0 in)	20 of 100 (Routine)
Bollon Mary St	Australia	Record daily precipitation	12.7 mm (0.5 in)	19 of 100 (Routine)
Moonaree	Australia	Record daily precipitation	10.4 mm (0.4 in)	18 of 100 (Routine)
Peak Downs	Australia	Record daily precipitation	10.9 mm (0.4 in)	18 of 100 (Routine)
St George Post Office	Australia	Record daily precipitation	10.2 mm (0.4 in)	18 of 100 (Routine)
Coonamble (Pier Pier)	Australia	Record daily precipitation	7.6 mm (0.30 in)	18 of 100 (Routine)
Hill End Post Office	Australia	Record daily precipitation	20.3 mm (0.8 in)	18 of 100 (Routine)
Black Springs	Australia	Record daily precipitation	22.1 mm (0.9 in)	18 of 100 (Routine)
Wilmington Wb City	United States	Record low maximum temperature	23.9 C (75.0 F)	18 of 100 (Routine)
Springsure Comet St	Australia	Record daily precipitation	19.8 mm (0.8 in)	17 of 100 (Routine)
Kilkivan Post Office	Australia	Record daily precipitation	5.1 mm (0.20 in)	17 of 100 (Routine)
Dirranbandi High School	Australia	Record daily precipitation	20.3 mm (0.8 in)	17 of 100 (Routine)
Warrumbungle (Cheddington)	Australia	Record daily precipitation	9.4 mm (0.37 in)	17 of 100 (Routine)
Banana Post Office	Australia	Record daily precipitation	0.5 mm (0.02 in)	16 of 100 (Routine)
Mt Perry the Pines	Australia	Record daily precipitation	10.4 mm (0.4 in)	16 of 100 (Routine)
Maryborough	Australia	Record daily precipitation	7.6 mm (0.30 in)	16 of 100 (Routine)
Southport Ridgeway Ave	Australia	Record daily precipitation	12.2 mm (0.5 in)	16 of 100 (Routine)
Gold Creek Reservoir	Australia	Record daily precipitation	7.6 mm (0.30 in)	16 of 100 (Routine)
Brewarrina Hospital	Australia	Record daily precipitation	3.0 mm (0.12 in)	16 of 100 (Routine)
M.R.A.	Australia	Record daily precipitation	5.8 mm (0.23 in)	16 of 100 (Routine)
Mount Tenandra	Australia	Record daily precipitation	8.4 mm (0.33 in)	16 of 100 (Routine)
Walgett (Goangra)	Australia	Record daily precipitation	1.3 mm (0.05 in)	16 of 100 (Routine)
Pilliga Post Office	Australia	Record daily precipitation	2.3 mm (0.09 in)	16 of 100 (Routine)
Tarriaro	Australia	Record daily precipitation	10.4 mm (0.4 in)	16 of 100 (Routine)
Ramornie	Australia	Record daily precipitation	6.6 mm (0.26 in)	16 of 100 (Routine)
Denman (Martindale)	Australia	Record daily precipitation	21.3 mm (0.8 in)	16 of 100 (Routine)
Charters Towers Post Office	Australia	Record daily precipitation	1.8 mm (0.07 in)	15 of 100 (Routine)
Emerald Post Office	Australia	Record daily precipitation	1.3 mm (0.05 in)	15 of 100 (Routine)
Caboolture Post Office	Australia	Record daily precipitation	2.3 mm (0.09 in)	14 of 100 (Routine)
Gympie	Australia	Record daily precipitation	18.8 mm (0.7 in)	14 of 100 (Routine)
St Helena Island	Australia	Record daily precipitation	15.7 mm (0.6 in)	14 of 100 (Routine)
Cambooya Post Office	Australia	Record daily precipitation	2.8 mm (0.11 in)	14 of 100 (Routine)
Bulgandramine	Australia	Record daily precipitation	4.8 mm (0.19 in)	14 of 100 (Routine)
Narromine (Mumble Peg)	Australia	Record daily precipitation	2.5 mm (0.10 in)	14 of 100 (Routine)
Combogolong	Australia	Record daily precipitation	2.3 mm (0.09 in)	14 of 100 (Routine)
Manilla Post Office	Australia	Record daily precipitation	9.1 mm (0.36 in)	14 of 100 (Routine)
Boggabri (Milchengowrie)	Australia	Record daily precipitation	13.5 mm (0.5 in)	14 of 100 (Routine)
Denman (Palace Street)	Australia	Record daily precipitation	15.2 mm (0.6 in)	14 of 100 (Routine)
Stuart Town	Australia	Record daily precipitation	15.2 mm (0.6 in)	14 of 100 (Routine)
Dubbo (Wilbertree)	Australia	Record daily precipitation	5.6 mm (0.22 in)	14 of 100 (Routine)
Townsville Pilot Station	Australia	Record daily precipitation	4.8 mm (0.19 in)	13 of 100 (Routine)
Amcor - Petrie Mill	Australia	Record daily precipitation	4.3 mm (0.17 in)	13 of 100 (Routine)

Counts by Type and Timescale

105 records

Records set or tied on 4 September 1920 by type: Highest daily maximum 4, Lowest daily maximum 4, Highest daily minimum 1, Lowest daily minimum 4, Heaviest daily rainfall 92.

Records on 4 September 1920 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	4
Highest daily minimum	1
Lowest daily minimum	4
Heaviest daily rainfall	92
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 1920 by timescale: all-time 0, monthly 0, daily 105.

How Much Records Were Beaten By

99 broken records

Margins by which the 99 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 41.1. Ties are not counted.

Top 20 by Significance

4 September 1920

Top 20 records on 4 September 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1920	Tbilisi, GE	daily rain	51.6 mm (2.0 in)	41.1 mm (1.6 in)	1 year	44 of 100 (Notable)
4 September 1920	Bomera, AU	daily rain	24.4 mm (1.0 in)	24.4 mm (1.0 in)	38 years	20 of 100 (Routine)
4 September 1920	Burburgate, AU	daily rain	21.6 mm (0.9 in)	18.8 mm (0.7 in)	26 years	20 of 100 (Routine)
4 September 1920	Dumble, AU	daily rain	12.7 mm (0.5 in)	12.7 mm (0.5 in)	40 years	20 of 100 (Routine)
4 September 1920	Brisbane Regional Office, AU	daily rain	19.1 mm (0.8 in)	6.4 mm (0.25 in)	46 years	20 of 100 (Routine)
4 September 1920	Gigoomgan, AU	daily rain	21.1 mm (0.8 in)	18.8 mm (0.7 in)	29 years	20 of 100 (Routine)
4 September 1920	Mogil Mogil (Benimora), AU	daily rain	13.5 mm (0.5 in)	13.5 mm (0.5 in)	36 years	20 of 100 (Routine)
4 September 1920	Ediacara, AU	daily rain	6.4 mm (0.25 in)	6.4 mm (0.25 in)	37 years	20 of 100 (Routine)
4 September 1920	Mullaley (Bando), AU	daily rain	11.7 mm (0.5 in)	11.7 mm (0.5 in)	35 years	20 of 100 (Routine)
4 September 1920	Gnomery, AU	daily rain	14.0 mm (0.6 in)	11.5 mm (0.5 in)	33 years	20 of 100 (Routine)
4 September 1920	Gunnedah Pool, AU	daily rain	19.1 mm (0.8 in)	12.7 mm (0.5 in)	14 years	20 of 100 (Routine)
4 September 1920	Gilgoin, AU	daily rain	15.0 mm (0.6 in)	13.0 mm (0.5 in)	27 years	20 of 100 (Routine)
4 September 1920	Ipswich, AU	daily rain	11.4 mm (0.4 in)	9.1 mm (0.36 in)	30 years	20 of 100 (Routine)
4 September 1920	Merrywinbone (Oreel), AU	daily rain	10.4 mm (0.4 in)	10.4 mm (0.4 in)	33 years	20 of 100 (Routine)
4 September 1920	Binnaway (Hawthorne), AU	daily rain	16.8 mm (0.7 in)	10.7 mm (0.4 in)	28 years	20 of 100 (Routine)
4 September 1920	Collarenebri (Albert St), AU	daily rain	8.4 mm (0.33 in)	8.4 mm (0.33 in)	34 years	20 of 100 (Routine)
4 September 1920	Condong Sugar Mill, AU	daily rain	15.5 mm (0.6 in)	11.7 mm (0.5 in)	29 years	20 of 100 (Routine)
4 September 1920	Gloucester Post Office, AU	daily rain	11.2 mm (0.4 in)	11.2 mm (0.4 in)	31 years	20 of 100 (Routine)
4 September 1920	Queanbeyan 2, AU	daily rain	25.4 mm (1.0 in)	9.9 mm (0.39 in)	10 years	20 of 100 (Routine)
4 September 1920	Bollon Mary St, AU	daily rain	12.7 mm (0.5 in)	9.7 mm (0.38 in)	21 years	19 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

1802 to 1920

Records set or tied on this calendar date in each year from 1802 to 1920. 1920 had 105 records.

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

Records on 09-04 in each year
Year	Records
1802	1
1805	1
1823	1
1833	1
1837	1
1839	1
1845	1
1847	1
1850	1
1854	1
1856	1
1857	1
1858	1
1861	1
1863	1
1864	1
1867	1
1868	1
1869	2
1871	1
1872	4
1874	1
1875	1
1877	1
1880	4
1881	1
1883	2
1885	3
1887	1
1888	2
1889	1
1890	1
1891	5
1894	4
1895	6
1896	1
1897	4
1898	9
1899	4
1900	1
1901	4
1902	4
1903	2
1904	7
1905	18
1906	16
1907	22
1908	9
1909	23
1910	91
1911	25
1912	29
1913	29
1914	19
1915	37
1916	24
1917	40
1918	96
1919	48
1920	105
1921	105
1922	62
1923	325
1924	167
1925	339
1926	256
1927	68
1928	341
1929	371
1930	102
1931	477
1932	429
1933	424
1934	393
1935	514
1936	309
1937	411
1938	236
1939	434
1940	287
1941	528
1942	323
1943	472
1944	341
1945	542
1946	431
1947	618
1948	409
1949	370
1950	642
1951	404
1952	645
1953	869
1954	372
1955	465
1956	586
1957	250
1958	384
1959	316
1960	552
1961	909
1962	733
1963	443
1964	507
1965	611
1966	428
1967	786
1968	546
1969	510
1970	644
1971	717
1972	513
1973	530
1974	2,279
1975	432
1976	582
1977	386
1978	940
1979	461
1980	355
1981	582
1982	617
1983	1,040
1984	1,107
1985	915
1986	663
1987	685
1988	1,259
1989	681
1990	787
1991	708
1992	1,132
1993	859
1994	1,001
1995	1,287
1996	907
1997	1,452
1998	1,564
1999	1,479
2000	1,336
2001	833
2002	767
2003	1,094
2004	898
2005	998
2006	1,268
2007	1,077
2008	1,335
2009	914
2010	1,804
2011	1,310
2012	1,209
2013	630
2014	461
2015	893
2016	597
2017	881
2018	758
2019	616
2020	957
2021	544
2022	1,256
2023	1,290
2024	985
2025	635
2026	1,222

Download the Data

Data for records on 1920-09-04: 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 4 September 1920
Margin	Records
0 to 10	81
10 to 20	16
20 to 30	1
30 to 40	0
40 to 50	1