Weather Records on 18 September 1920

56 weather records were set or tied worldwide on 18 September 1920. Highest significance: Vanersborg, SE.

Key Facts for 18 September 1920

On 18 September 1920, 56 weather records were set or tied at long-record stations worldwide.
6 were record highs and 2 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 55 daily.
Vanersborg set a daily record precipitation of 38.7 mm (1.5 in) on 18 September 1920.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 424 records.

Record Map

56 stations

56 station records on 18 September 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vanersborg	Sweden	Record daily precipitation	38.7 mm (1.5 in)	38 of 100 (Notable)
Vestervig	Denmark	Record daily precipitation	26.8 mm (1.1 in)	37 of 100 (Notable)
Maseskar	Sweden	Record daily precipitation	30.6 mm (1.2 in)	33 of 100 (Routine)
Margate Collins St	Australia	Record daily precipitation	72.4 mm (2.9 in)	30 of 100 (Routine)
Warwillah	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Gladstone Post Office	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Hatfield (Clare)	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Tbilisi	Georgia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Ivanhoe (Wokabity)	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Colinroobie	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Corowa Airport	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Tallinn	Estonia	Record daily precipitation	13.3 mm (0.5 in)	20 of 100 (Routine)
Merungle	Australia	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Daly Waters	Australia	Record daily precipitation	1.0 mm (0.04 in)	18 of 100 (Routine)
Burrundulla	Australia	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)
Jerilderie (Coree STN)	Australia	Record daily precipitation	8.6 mm (0.34 in)	17 of 100 (Routine)
Middle Creek (Leneva)	Australia	Record daily precipitation	25.4 mm (1.0 in)	17 of 100 (Routine)
Fredericton Unb	Canada	Record low maximum temperature	12.2 C (54.0 F)	17 of 100 (Routine)
Winnemucca AP	United States	Record high minimum temperature	10.0 C (50.0 F)	17 of 100 (Routine)
Pine Creek	Australia	Record daily precipitation	1.0 mm (0.04 in)	16 of 100 (Routine)
Cadia	Australia	Record daily precipitation	27.9 mm (1.1 in)	16 of 100 (Routine)
Moulamein Post Office	Australia	Record daily precipitation	8.9 mm (0.35 in)	16 of 100 (Routine)
Nidingen A	Sweden	Record daily precipitation	22.1 mm (0.9 in)	16 of 100 (Routine)
Vinga	Sweden	Record daily precipitation	24.6 mm (1.0 in)	16 of 100 (Routine)
Tarriaro	Australia	Record daily precipitation	14.7 mm (0.6 in)	15 of 100 (Routine)
Benerembah	Australia	Record daily precipitation	11.4 mm (0.4 in)	15 of 100 (Routine)
Malin Head	Ireland	Record daily precipitation	11.2 mm (0.4 in)	15 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	10.5 C (50.9 F)	15 of 100 (Routine)
Karesuando	Sweden	Record daily precipitation	7.0 mm (0.28 in)	15 of 100 (Routine)
Katella	Australia	Record daily precipitation	24.1 mm (0.9 in)	14 of 100 (Routine)
Marfield	Australia	Record daily precipitation	11.4 mm (0.4 in)	13 of 100 (Routine)
Bjornholt	Norway	Record daily precipitation	41.0 mm (1.6 in)	13 of 100 (Routine)
Bowen Post Office	Australia	Record daily precipitation	1.0 mm (0.04 in)	12 of 100 (Routine)
Dumble	Australia	Record daily precipitation	3.3 mm (0.13 in)	11 of 100 (Routine)
Coonamble Comparison	Australia	Record daily precipitation	11.4 mm (0.4 in)	11 of 100 (Routine)
Strathbogie North	Australia	Record daily precipitation	25.9 mm (1.0 in)	11 of 100 (Routine)
Alice Post Office	Australia	Record daily precipitation	7.1 mm (0.28 in)	10 of 100 (Routine)
Walgett (Euroka)	Australia	Record daily precipitation	7.6 mm (0.30 in)	10 of 100 (Routine)
Murringo (Windermere)	Australia	Record daily precipitation	23.6 mm (0.9 in)	10 of 100 (Routine)
Halden	Norway	Record daily precipitation	18.5 mm (0.7 in)	10 of 100 (Routine)
Langmorn	Australia	Record daily precipitation	14.7 mm (0.6 in)	9 of 100 (Routine)
Tobolsk	Russia	Record low minimum temperature	-2.8 C (27.0 F)	9 of 100 (Routine)
Coronga Peak	Australia	Record daily precipitation	8.9 mm (0.35 in)	8 of 100 (Routine)
Walma	Australia	Record daily precipitation	6.1 mm (0.24 in)	8 of 100 (Routine)
Rapid City Forrest	Canada	Record daily precipitation	6.9 mm (0.27 in)	8 of 100 (Routine)
Skara 1	Sweden	Record daily precipitation	14.8 mm (0.6 in)	8 of 100 (Routine)
Ivanhoe Post Office	Australia	Record daily precipitation	11.4 mm (0.4 in)	6 of 100 (Routine)
Stromsfoss Sluse	Norway	Record daily precipitation	21.9 mm (0.9 in)	6 of 100 (Routine)
Jumping Sand Hill Well	Australia	Record daily precipitation	6.9 mm (0.27 in)	5 of 100 (Routine)
Tranebjerg	Denmark	Record daily precipitation	12.0 mm (0.5 in)	5 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	27.2 C (81.0 F)	4 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	25.0 C (77.0 F)	3 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record high minimum temperature	7.0 C (44.6 F)	2 of 100 (Routine)
Binnaway (Hawthorne)	Australia	Record daily precipitation	11.4 mm (0.4 in)	1 of 100 (Routine)
Warburton	Australia	Record daily precipitation	31.5 mm (1.2 in)	1 of 100 (Routine)
Constantine	Algeria	Record high maximum temperature	35.0 C (95.0 F)	0 of 100 (Routine)

Counts by Type and Timescale

56 records

Records set or tied on 18 September 1920 by type: Highest daily maximum 3, Lowest daily maximum 1, Highest daily minimum 3, Lowest daily minimum 1, Heaviest daily rainfall 48.

Records on 18 September 1920 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	1
Highest daily minimum	3
Lowest daily minimum	1
Heaviest daily rainfall	48
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1920 by timescale: all-time 0, monthly 1, daily 55.

How Much Records Were Beaten By

50 broken records

Margins by which the 50 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 18.6. Ties are not counted.

Top 20 by Significance

18 September 1920

Top 20 records on 18 September 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1920	Vanersborg, SE	daily rain	38.7 mm (1.5 in)	18.6 mm (0.7 in)	4 years	38 of 100 (Notable)
18 September 1920	Vestervig, DK	daily rain	26.8 mm (1.1 in)	11.2 mm (0.4 in)	40 years	37 of 100 (Notable)
18 September 1920	Maseskar, SE	daily rain	30.6 mm (1.2 in)	15.1 mm (0.6 in)	4 years	33 of 100 (Routine)
18 September 1920	Margate Collins St, AU	monthly rain	72.4 mm (2.9 in)	8.9 mm (0.35 in)	30 years	30 of 100 (Routine)
18 September 1920	Warwillah, AU	daily rain	10.2 mm (0.4 in)	8.7 mm (0.34 in)	29 years	20 of 100 (Routine)
18 September 1920	Gladstone Post Office, AU	daily rain	21.3 mm (0.8 in)	11.6 mm (0.5 in)	29 years	20 of 100 (Routine)
18 September 1920	Hatfield (Clare), AU	daily rain	18.3 mm (0.7 in)	11.9 mm (0.5 in)	7 years	20 of 100 (Routine)
18 September 1920	Tbilisi, GE	daily rain	22.6 mm (0.9 in)	10.8 mm (0.4 in)	25 years	20 of 100 (Routine)
18 September 1920	Ivanhoe (Wokabity), AU	daily rain	17.0 mm (0.7 in)	5.8 mm (0.23 in)	34 years	20 of 100 (Routine)
18 September 1920	Colinroobie, AU	daily rain	17.0 mm (0.7 in)	8.9 mm (0.35 in)	26 years	20 of 100 (Routine)
18 September 1920	Corowa Airport, AU	daily rain	10.4 mm (0.4 in)	5.8 mm (0.23 in)	26 years	20 of 100 (Routine)
18 September 1920	Tallinn, EE	daily rain	13.3 mm (0.5 in)	2.3 mm (0.09 in)	39 years	20 of 100 (Routine)
18 September 1920	Merungle, AU	daily rain	20.3 mm (0.8 in)	4.6 mm (0.18 in)	34 years	19 of 100 (Routine)
18 September 1920	Daly Waters, AU	daily rain	1.0 mm (0.04 in)	1.0 mm (0.04 in)	46 years	18 of 100 (Routine)
18 September 1920	Burrundulla, AU	daily rain	16.5 mm (0.6 in)	3.0 mm (0.12 in)	30 years	17 of 100 (Routine)
18 September 1920	Jerilderie (Coree STN), AU	daily rain	8.6 mm (0.34 in)	5.8 mm (0.23 in)	14 years	17 of 100 (Routine)
18 September 1920	Middle Creek (Leneva), AU	daily rain	25.4 mm (1.0 in)	6.6 mm (0.26 in)	17 years	17 of 100 (Routine)
18 September 1920	Fredericton Unb, CA	daily low max	12.2 C (54.0 F)	0.6 C (1.1 F)	37 years	17 of 100 (Routine)
18 September 1920	Winnemucca AP, US	daily high min	10.0 C (50.0 F)	0.6 C (1.1 F)	40 years	17 of 100 (Routine)
18 September 1920	Pine Creek, AU	daily rain	1.0 mm (0.04 in)	1.0 mm (0.04 in)	40 years	16 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 1920

Records set or tied on this calendar date in each year from 1803 to 1920. 1920 had 56 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 1920-09-18: 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 3	21
3 to 5	9
5 to 8	8
8 to 10	5
10 to 13	5
13 to 15	0
15 to 18	1
18 to 20	1