Weather Records on 3 September 1918

135 weather records were set or tied worldwide on 3 September 1918. Highest significance: Mount Gambier Post Office, AU.

Key Facts for 3 September 1918

On 3 September 1918, 135 weather records were set or tied at long-record stations worldwide.
7 were record highs and 9 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 133 daily.
Mount Gambier Post Office set a daily record precipitation of 31.8 mm (1.3 in) on 3 September 1918.
Across 170 earlier years (1811 to 2026) the same calendar date averaged 440 records.

Record Map

135 stations

135 station records on 3 September 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 September 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mount Gambier Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	49 of 100 (Notable)
Mornington	Australia	Record daily precipitation	42.9 mm (1.7 in)	47 of 100 (Notable)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	40.1 mm (1.6 in)	47 of 100 (Notable)
Dromana	Australia	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Cape Schanck Lighthouse	Australia	Record daily precipitation	55.9 mm (2.2 in)	42 of 100 (Notable)
Casterton (Nangeela)	Australia	Record daily precipitation	27.2 mm (1.1 in)	42 of 100 (Notable)
Penshurst (Post Office)	Australia	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Macarthur (Glenhuntly)	Australia	Record daily precipitation	34.3 mm (1.4 in)	35 of 100 (Notable)
Portarlington	Australia	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Dunkeld	Australia	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Nanango Wills St	Australia	Record daily precipitation	31.0 mm (1.2 in)	29 of 100 (Routine)
Beechworth Composite	Australia	Record daily precipitation	41.9 mm (1.6 in)	28 of 100 (Routine)
Hastings Post Office	Australia	Record daily precipitation	32.5 mm (1.3 in)	25 of 100 (Routine)
Nelson	Australia	Record daily precipitation	32.0 mm (1.3 in)	23 of 100 (Routine)
Adelaide (Thorndon Park)	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Adelaide (Pooraka)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Cavendish (Post Office)	Australia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Adelaide (Tea Tree Gully Counc	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Wandin (Yallock)	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Milang	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Adelaide (Morphett Vale)	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Old Noarlunga Post Office	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Beachport	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Cape Northumberland	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Barkly East	South Africa	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Goolwa Council Depot	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Sturt	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Woodburn	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Murray Bridge Comparison	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Officer (Jesmond Dene)	Australia	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Kapunda Water Works	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Beenak	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Kapunda	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Normanville	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Port Elliot Caravan Park	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Port Elliott	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Miltalie (Poodra)	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Woolsthorpe	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Maldon (Derby Hill)	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Lyndoch (Pewsey Vale)	Australia	Record daily precipitation	15.5 mm (0.6 in)	19 of 100 (Routine)
Meadows	Australia	Record daily precipitation	24.9 mm (1.0 in)	19 of 100 (Routine)
Dingo Vale	Australia	Record daily precipitation	25.4 mm (1.0 in)	18 of 100 (Routine)
Coonalpyn	Australia	Record daily precipitation	13.0 mm (0.5 in)	18 of 100 (Routine)
Bright Post Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	18 of 100 (Routine)
Yarmouth	Canada	Record high maximum temperature	23.9 C (75.0 F)	18 of 100 (Routine)
Macclesfield	Australia	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)
Mount Barker	Australia	Record daily precipitation	14.5 mm (0.6 in)	17 of 100 (Routine)
Nariel Creek (Simpson)	Australia	Record daily precipitation	25.9 mm (1.0 in)	17 of 100 (Routine)
Casterton (Warrock)	Australia	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)
Merino (Glenorchy Estate)	Australia	Record daily precipitation	20.1 mm (0.8 in)	17 of 100 (Routine)
Douglas	South Africa	Record daily precipitation	3.0 mm (0.12 in)	17 of 100 (Routine)
Gawler (Loos)	Australia	Record daily precipitation	8.6 mm (0.34 in)	16 of 100 (Routine)
Willunga	Australia	Record daily precipitation	12.4 mm (0.5 in)	16 of 100 (Routine)
Walhalla	Australia	Record daily precipitation	22.1 mm (0.9 in)	16 of 100 (Routine)
Ferntree Gully	Australia	Record daily precipitation	14.2 mm (0.6 in)	16 of 100 (Routine)
Tranebjerg	Denmark	Record low maximum temperature	14.2 C (57.6 F)	16 of 100 (Routine)
Astoria	United States	Record high minimum temperature	15.6 C (60.1 F)	16 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record low maximum temperature	16.1 C (61.0 F)	16 of 100 (Routine)
Echunga Golf Course	Australia	Record daily precipitation	12.4 mm (0.5 in)	15 of 100 (Routine)
Wellington East	Australia	Record daily precipitation	11.2 mm (0.4 in)	15 of 100 (Routine)

Counts by Type and Timescale

135 records

Records set or tied on 3 September 1918 by type: Highest daily maximum 3, Lowest daily maximum 6, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 119.

Records on 3 September 1918 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	6
Highest daily minimum	4
Lowest daily minimum	3
Heaviest daily rainfall	119
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 3 September 1918 by timescale: all-time 0, monthly 2, daily 133.

How Much Records Were Beaten By

127 broken records

Margins by which the 127 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 28.7. Ties are not counted.

Top 20 by Significance

3 September 1918

Top 20 records on 3 September 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 September 1918	Mount Gambier Post Office, AU	daily rain	31.8 mm (1.3 in)	15.3 mm (0.6 in)	55 years	49 of 100 (Notable)
3 September 1918	Mornington, AU	daily rain	42.9 mm (1.7 in)	28.7 mm (1.1 in)	7 years	47 of 100 (Notable)
3 September 1918	Narre Warren North (Narre Warr, AU	daily rain	40.1 mm (1.6 in)	28.4 mm (1.1 in)	13 years	47 of 100 (Notable)
3 September 1918	Dromana, AU	daily rain	44.5 mm (1.8 in)	25.2 mm (1.0 in)	7 years	44 of 100 (Notable)
3 September 1918	Cape Schanck Lighthouse, AU	monthly rain	55.9 mm (2.2 in)	13.5 mm (0.5 in)	11 years	42 of 100 (Notable)
3 September 1918	Casterton (Nangeela), AU	daily rain	27.2 mm (1.1 in)	16.0 mm (0.6 in)	30 years	42 of 100 (Notable)
3 September 1918	Penshurst (Post Office), AU	daily rain	28.4 mm (1.1 in)	17.5 mm (0.7 in)	30 years	39 of 100 (Notable)
3 September 1918	Macarthur (Glenhuntly), AU	daily rain	34.3 mm (1.4 in)	16.0 mm (0.6 in)	22 years	35 of 100 (Notable)
3 September 1918	Portarlington, AU	daily rain	30.7 mm (1.2 in)	19.3 mm (0.8 in)	5 years	33 of 100 (Routine)
3 September 1918	Dunkeld, AU	daily rain	29.2 mm (1.1 in)	17.3 mm (0.7 in)	8 years	32 of 100 (Routine)
3 September 1918	Nanango Wills St, AU	daily rain	31.0 mm (1.2 in)	27.4 mm (1.1 in)	9 years	29 of 100 (Routine)
3 September 1918	Beechworth Composite, AU	daily rain	41.9 mm (1.6 in)	20.1 mm (0.8 in)	7 years	28 of 100 (Routine)
3 September 1918	Hastings Post Office, AU	daily rain	32.5 mm (1.3 in)	13.4 mm (0.5 in)	7 years	25 of 100 (Routine)
3 September 1918	Nelson, AU	monthly rain	32.0 mm (1.3 in)	3.8 mm (0.15 in)	7 years	23 of 100 (Routine)
3 September 1918	Adelaide (Thorndon Park), AU	daily rain	18.5 mm (0.7 in)	12.4 mm (0.5 in)	13 years	20 of 100 (Routine)
3 September 1918	Adelaide (Pooraka), AU	daily rain	15.2 mm (0.6 in)	10.6 mm (0.4 in)	13 years	20 of 100 (Routine)
3 September 1918	Cavendish (Post Office), AU	daily rain	22.6 mm (0.9 in)	12.9 mm (0.5 in)	30 years	20 of 100 (Routine)
3 September 1918	Adelaide (Tea Tree Gully Counc, AU	daily rain	20.8 mm (0.8 in)	13.7 mm (0.5 in)	13 years	20 of 100 (Routine)
3 September 1918	Wandin (Yallock), AU	daily rain	24.4 mm (1.0 in)	12.7 mm (0.5 in)	33 years	20 of 100 (Routine)
3 September 1918	Milang, AU	daily rain	16.5 mm (0.6 in)	8.9 mm (0.35 in)	13 years	20 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

1811 to 1918

Records set or tied on this calendar date in each year from 1811 to 1918. 1918 had 135 records.

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

Records on 09-03 in each year
Year	Records
1811	1
1823	1
1835	1
1843	1
1844	1
1846	1
1847	2
1849	1
1851	1
1852	1
1853	1
1854	1
1856	2
1861	1
1862	1
1865	1
1867	1
1868	1
1869	1
1871	2
1872	1
1873	1
1874	2
1875	1
1876	1
1877	3
1878	3
1880	4
1882	1
1884	1
1885	3
1886	3
1887	2
1888	1
1889	1
1890	2
1891	4
1892	4
1894	3
1895	8
1896	1
1897	3
1898	8
1899	1
1900	3
1901	3
1902	3
1903	4
1904	12
1905	22
1906	14
1907	13
1908	10
1909	22
1910	28
1911	87
1912	76
1913	21
1914	14
1915	20
1916	32
1917	20
1918	135
1919	68
1920	65
1921	116
1922	51
1923	134
1924	189
1925	290
1926	225
1927	67
1928	302
1929	431
1930	120
1931	429
1932	411
1933	270
1934	587
1935	453
1936	342
1937	774
1938	336
1939	656
1940	213
1941	406
1942	451
1943	286
1944	282
1945	404
1946	524
1947	1,515
1948	453
1949	281
1950	654
1951	455
1952	823
1953	846
1954	350
1955	492
1956	482
1957	315
1958	539
1959	380
1960	462
1961	996
1962	415
1963	295
1964	422
1965	472
1966	387
1967	901
1968	378
1969	516
1970	566
1971	570
1972	691
1973	766
1974	2,122
1975	530
1976	795
1977	542
1978	635
1979	755
1980	517
1981	518
1982	699
1983	947
1984	838
1985	983
1986	735
1987	666
1988	1,224
1989	723
1990	773
1991	782
1992	1,127
1993	1,226
1994	1,249
1995	1,409
1996	683
1997	1,274
1998	1,333
1999	1,520
2000	1,722
2001	799
2002	605
2003	1,259
2004	704
2005	727
2006	1,512
2007	1,032
2008	1,183
2009	801
2010	1,204
2011	1,252
2012	944
2013	694
2014	535
2015	760
2016	833
2017	1,122
2018	680
2019	644
2020	756
2021	493
2022	1,587
2023	969
2024	851
2025	533
2026	1,240

Download the Data

Data for records on 1918-09-03: 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	72
5 to 10	31
10 to 15	12
15 to 20	7
20 to 25	1
25 to 30	4