Weather Records on 18 September 1919

48 weather records were set or tied worldwide on 18 September 1919. Highest significance: Bad Muskau, DE.

Key Facts for 18 September 1919

On 18 September 1919, 48 weather records were set or tied at long-record stations worldwide.
10 were record highs and 14 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 46 daily.
Bad Muskau set a daily record precipitation of 43.0 mm (1.7 in) on 18 September 1919.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 424 records.

Record Map

48 stations

48 station records on 18 September 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 1919: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bad Muskau	Germany	Record daily precipitation	43.0 mm (1.7 in)	49 of 100 (Notable)
Normanton Post Office	Australia	Record daily precipitation	49.8 mm (2.0 in)	44 of 100 (Notable)
Tuttlingen	Germany	Record daily precipitation	44.2 mm (1.7 in)	43 of 100 (Notable)
Karumba Pilot Station	Australia	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Georgetown Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	38 of 100 (Notable)
Cumberland Station	Australia	Record daily precipitation	25.9 mm (1.0 in)	31 of 100 (Routine)
Croydon Township	Australia	Record daily precipitation	25.1 mm (1.0 in)	29 of 100 (Routine)
Portland	United States	Record low minimum temperature	4.4 C (39.9 F)	21 of 100 (Routine)
Vinga	Sweden	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Gilbert River Post Office	Australia	Record daily precipitation	14.0 mm (0.6 in)	19 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	14.4 C (57.9 F)	19 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	64.5 mm (2.5 in)	19 of 100 (Routine)
Innsbruck	Austria	Record high minimum temperature	14.4 C (57.9 F)	18 of 100 (Routine)
Milan	Italy	Record high maximum temperature	29.4 C (84.9 F)	18 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	1.1 C (34.0 F)	18 of 100 (Routine)
Barkerville	Canada	Record high minimum temperature	9.4 C (48.9 F)	17 of 100 (Routine)
Skara 1	Sweden	Record daily precipitation	13.0 mm (0.5 in)	17 of 100 (Routine)
Cardwell Marine Pde	Australia	Record daily precipitation	9.4 mm (0.37 in)	16 of 100 (Routine)
Lowell	United States	Record low minimum temperature	2.8 C (37.0 F)	16 of 100 (Routine)
Blue Hill Coop	United States	Record low minimum temperature	2.2 C (36.0 F)	15 of 100 (Routine)
Fort Chipewyan	Canada	Record high minimum temperature	12.8 C (55.0 F)	14 of 100 (Routine)
Concordia ASOS	United States	Record daily precipitation	40.9 mm (1.6 in)	14 of 100 (Routine)
Coen Post Office	Australia	Record daily precipitation	1.3 mm (0.05 in)	13 of 100 (Routine)
Godegard	Sweden	Record daily precipitation	12.3 mm (0.5 in)	13 of 100 (Routine)
Northfield	United States	Record low minimum temperature	-1.7 C (28.9 F)	13 of 100 (Routine)
Moreton Telegraph Station	Australia	Record daily precipitation	1.5 mm (0.06 in)	12 of 100 (Routine)
Donors Hill Station	Australia	Record daily precipitation	1.0 mm (0.04 in)	12 of 100 (Routine)
Stoney Creek	Canada	Record low minimum temperature	2.8 C (37.0 F)	11 of 100 (Routine)
Lucknow	Canada	Record low minimum temperature	0.6 C (33.1 F)	10 of 100 (Routine)
Tobolsk	Russia	Record daily precipitation	5.8 mm (0.23 in)	10 of 100 (Routine)
Storrs	United States	Record low minimum temperature	3.9 C (39.0 F)	10 of 100 (Routine)
Melbourne Regional Office	Australia	Record high maximum temperature	24.8 C (76.6 F)	9 of 100 (Routine)
Guelph Oac	Canada	Record low minimum temperature	-2.2 C (28.0 F)	9 of 100 (Routine)
Ledknapper Tank	Australia	Record daily precipitation	2.5 mm (0.10 in)	8 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record daily precipitation	16.3 mm (0.6 in)	8 of 100 (Routine)
Port Arthur	Canada	Record daily precipitation	13.2 mm (0.5 in)	5 of 100 (Routine)
Haliburton A	Canada	Record low minimum temperature	-1.1 C (30.0 F)	5 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high minimum temperature	15.1 C (59.2 F)	5 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high maximum temperature	23.3 C (73.9 F)	4 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low maximum temperature	24.0 C (75.2 F)	3 of 100 (Routine)
Townsville Pilot Station	Australia	Record daily precipitation	2.8 mm (0.11 in)	3 of 100 (Routine)
Salzburg	Austria	Record high minimum temperature	15.0 C (59.0 F)	3 of 100 (Routine)
State College	United States	Record low minimum temperature	5.0 C (41.0 F)	3 of 100 (Routine)
Walgett Council Depot	Australia	Record high maximum temperature	30.6 C (87.1 F)	2 of 100 (Routine)
Minnedosa	Canada	Record daily precipitation	11.4 mm (0.4 in)	2 of 100 (Routine)
Lindsay	Canada	Record low minimum temperature	1.1 C (34.0 F)	1 of 100 (Routine)
Anticosti SW Point	Canada	Record low maximum temperature	8.9 C (48.0 F)	1 of 100 (Routine)
Maytown	Australia	Record daily precipitation	1.3 mm (0.05 in)	0 of 100 (Routine)

Counts by Type and Timescale

48 records

Records set or tied on 18 September 1919 by type: Highest daily maximum 4, Lowest daily maximum 2, Highest daily minimum 6, Lowest daily minimum 12, Heaviest daily rainfall 24.

Records on 18 September 1919 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	2
Highest daily minimum	6
Lowest daily minimum	12
Heaviest daily rainfall	24
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 September 1919 by timescale: all-time 0, monthly 2, daily 46.

How Much Records Were Beaten By

38 broken records

Margins by which the 38 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 33.9. Ties are not counted.

Top 20 by Significance

18 September 1919

Top 20 records on 18 September 1919 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 1919	Bad Muskau, DE	daily rain	43.0 mm (1.7 in)	33.9 mm (1.3 in)	22 years	49 of 100 (Notable)
18 September 1919	Normanton Post Office, AU	monthly rain	49.8 mm (2.0 in)	28.2 mm (1.1 in)	9 years	44 of 100 (Notable)
18 September 1919	Tuttlingen, DE	daily rain	44.2 mm (1.7 in)	25.2 mm (1.0 in)	21 years	43 of 100 (Notable)
18 September 1919	Karumba Pilot Station, AU	monthly rain	30.5 mm (1.2 in)	20.8 mm (0.8 in)	21 years	40 of 100 (Notable)
18 September 1919	Georgetown Post Office, AU	daily rain	38.9 mm (1.5 in)	30.0 mm (1.2 in)	16 years	38 of 100 (Notable)
18 September 1919	Cumberland Station, AU	daily rain	25.9 mm (1.0 in)	25.4 mm (1.0 in)	10 years	31 of 100 (Routine)
18 September 1919	Croydon Township, AU	daily rain	25.1 mm (1.0 in)	23.3 mm (0.9 in)	10 years	29 of 100 (Routine)
18 September 1919	Portland, US	daily low min	4.4 C (39.9 F)	1.7 C (3.1 F)	43 years	21 of 100 (Routine)
18 September 1919	Vinga, SE	daily rain	17.0 mm (0.7 in)	10.1 mm (0.4 in)	20 years	20 of 100 (Routine)
18 September 1919	Gilbert River Post Office, AU	daily rain	14.0 mm (0.6 in)	12.2 mm (0.5 in)	10 years	19 of 100 (Routine)
18 September 1919	New Westminster, CA	daily high min	14.4 C (57.9 F)	2.2 C (4.0 F)	24 years	19 of 100 (Routine)
18 September 1919	Lincoln UNIV Pwr Plt, US	daily rain	64.5 mm (2.5 in)	20.6 mm (0.8 in)	12 years	19 of 100 (Routine)
18 September 1919	Innsbruck, AT	daily high min	14.4 C (57.9 F)	0.8 C (1.4 F)	40 years	18 of 100 (Routine)
18 September 1919	Milan, IT	daily high max	29.4 C (84.9 F)	0.8 C (1.4 F)	22 years	18 of 100 (Routine)
18 September 1919	Middletown 4 W, US	daily low min	1.1 C (34.0 F)	2.8 C (5.0 F)	31 years	18 of 100 (Routine)
18 September 1919	Barkerville, CA	daily high min	9.4 C (48.9 F)	2.2 C (4.0 F)	29 years	17 of 100 (Routine)
18 September 1919	Skara 1, SE	daily rain	13.0 mm (0.5 in)	2.5 mm (0.10 in)	23 years	17 of 100 (Routine)
18 September 1919	Cardwell Marine Pde, AU	daily rain	9.4 mm (0.37 in)	8.4 mm (0.33 in)	17 years	16 of 100 (Routine)
18 September 1919	Lowell, US	daily low min	2.8 C (37.0 F)	3.3 C (5.9 F)	21 years	16 of 100 (Routine)
18 September 1919	Blue Hill Coop, US	daily low min	2.2 C (36.0 F)	2.8 C (5.0 F)	21 years	15 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 1919

Records set or tied on this calendar date in each year from 1803 to 1919. 1919 had 48 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 1919-09-18: 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	26
5 to 10	2
10 to 15	2
15 to 20	0
20 to 25	3
25 to 30	3
30 to 35	2