Weather Records on 4 September 1915

37 weather records were set or tied worldwide on 4 September 1915. Highest significance: Hohenpeissenberg, DE.

Key Facts for 4 September 1915

On 4 September 1915, 37 weather records were set or tied at long-record stations worldwide.
13 were record highs and 7 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 36 daily.
Hohenpeissenberg set a daily record precipitation of 54.2 mm (2.1 in) on 4 September 1915.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 454 records.

Record Map

37 stations

37 station records on 4 September 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 September 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hohenpeissenberg	Germany	Record daily precipitation	54.2 mm (2.1 in)	35 of 100 (Notable)
Freiburg	Germany	Record daily precipitation	52.6 mm (2.1 in)	31 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	28.9 C (84.0 F)	25 of 100 (Routine)
Bourke Post Office	Australia	Record high minimum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Bathurst Gaol	Australia	Record high minimum temperature	11.4 C (52.5 F)	22 of 100 (Routine)
Chattanooga Wb City	United States	Record daily precipitation	37.1 mm (1.5 in)	22 of 100 (Routine)
Passau-Maierhof	Germany	Record daily precipitation	26.8 mm (1.1 in)	21 of 100 (Routine)
Montgomery Wb City	United States	Record low maximum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Anticosti SW Point	Canada	Record low minimum temperature	1.1 C (34.0 F)	19 of 100 (Routine)
Kerkwerve	Netherlands	Record daily precipitation	19.3 mm (0.8 in)	18 of 100 (Routine)
Montgomery Wb City	United States	Record daily precipitation	88.9 mm (3.5 in)	18 of 100 (Routine)
Greenville Dwtn AP	United States	Record low maximum temperature	21.7 C (71.1 F)	18 of 100 (Routine)
Walgett Council Depot	Australia	Record high maximum temperature	30.6 C (87.1 F)	15 of 100 (Routine)
Woodside	Australia	Record daily precipitation	24.9 mm (1.0 in)	14 of 100 (Routine)
Mount Barker	Australia	Record daily precipitation	19.3 mm (0.8 in)	12 of 100 (Routine)
Mount Pleasant	Australia	Record daily precipitation	9.7 mm (0.38 in)	12 of 100 (Routine)
Uccle	Belgium	Record low minimum temperature	4.7 C (40.5 F)	12 of 100 (Routine)
Portland	United States	Record high maximum temperature	30.6 C (87.1 F)	12 of 100 (Routine)
Stansbury	Australia	Record daily precipitation	3.6 mm (0.14 in)	11 of 100 (Routine)
Freiburg	Germany	Record low maximum temperature	11.2 C (52.2 F)	11 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high maximum temperature	32.8 C (91.0 F)	10 of 100 (Routine)
Alice Springs Post Office	Australia	Record high minimum temperature	17.1 C (62.8 F)	9 of 100 (Routine)
Minlaton	Australia	Record daily precipitation	4.6 mm (0.18 in)	9 of 100 (Routine)
Yankalilla (Woodvale)	Australia	Record daily precipitation	12.7 mm (0.5 in)	9 of 100 (Routine)
Somerton (Bective Estate)	Australia	Record daily precipitation	0.8 mm (0.03 in)	9 of 100 (Routine)
Chattanooga Wb City	United States	Record low maximum temperature	20.0 C (68.0 F)	9 of 100 (Routine)
Wentworth (Wamberra Station)	Australia	Record daily precipitation	13.7 mm (0.5 in)	8 of 100 (Routine)
St Albans	Canada	Record high maximum temperature	36.1 C (97.0 F)	8 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record low minimum temperature	1.5 C (34.7 F)	8 of 100 (Routine)
Minnedosa	Canada	Record high maximum temperature	30.6 C (87.1 F)	7 of 100 (Routine)
Mount Torrens	Australia	Record daily precipitation	23.9 mm (0.9 in)	6 of 100 (Routine)
Calgary Int'l A	Canada	Record high maximum temperature	27.8 C (82.0 F)	4 of 100 (Routine)
Saint John	Canada	Record high maximum temperature	23.3 C (73.9 F)	4 of 100 (Routine)
Maitland	Australia	Record daily precipitation	5.3 mm (0.21 in)	3 of 100 (Routine)
Greenock	Australia	Record daily precipitation	3.8 mm (0.15 in)	2 of 100 (Routine)
Edmonton	Canada	Record high minimum temperature	10.0 C (50.0 F)	2 of 100 (Routine)
Stony Mountain	Canada	Record high maximum temperature	31.7 C (89.1 F)	1 of 100 (Routine)

Counts by Type and Timescale

37 records

Records set or tied on 4 September 1915 by type: Highest daily maximum 9, Lowest daily maximum 4, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 17.

Records on 4 September 1915 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	4
Highest daily minimum	4
Lowest daily minimum	3
Heaviest daily rainfall	17
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 September 1915 by timescale: all-time 0, monthly 1, daily 36.

How Much Records Were Beaten By

33 broken records

Margins by which the 33 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 24.1. Ties are not counted.

Top 20 by Significance

4 September 1915

Top 20 records on 4 September 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 September 1915	Hohenpeissenberg, DE	daily rain	54.2 mm (2.1 in)	13.9 mm (0.5 in)	32 years	35 of 100 (Notable)
4 September 1915	Freiburg, DE	daily rain	52.6 mm (2.1 in)	22.2 mm (0.9 in)	6 years	31 of 100 (Routine)
4 September 1915	Sydney (Observatory Hill), AU	daily high max	28.9 C (84.0 F)	2.2 C (4.0 F)	49 years	25 of 100 (Routine)
4 September 1915	Bourke Post Office, AU	daily high min	18.9 C (66.0 F)	3.3 C (5.9 F)	36 years	23 of 100 (Routine)
4 September 1915	Bathurst Gaol, AU	daily high min	11.4 C (52.5 F)	2.2 C (4.0 F)	36 years	22 of 100 (Routine)
4 September 1915	Chattanooga Wb City, US	daily rain	37.1 mm (1.5 in)	24.1 mm (0.9 in)	5 years	22 of 100 (Routine)
4 September 1915	Passau-Maierhof, DE	daily rain	26.8 mm (1.1 in)	9.1 mm (0.36 in)	22 years	21 of 100 (Routine)
4 September 1915	Montgomery Wb City, US	daily low max	22.8 C (73.0 F)	3.3 C (5.9 F)	29 years	21 of 100 (Routine)
4 September 1915	Anticosti SW Point, CA	daily low min	1.1 C (34.0 F)	3.3 C (5.9 F)	20 years	19 of 100 (Routine)
4 September 1915	Kerkwerve, NL	daily rain	19.3 mm (0.8 in)	5.8 mm (0.23 in)	20 years	18 of 100 (Routine)
4 September 1915	Montgomery Wb City, US	monthly rain	88.9 mm (3.5 in)	1.3 mm (0.05 in)	14 years	18 of 100 (Routine)
4 September 1915	Greenville Dwtn AP, US	daily low max	21.7 C (71.1 F)	2.7 C (4.9 F)	28 years	18 of 100 (Routine)
4 September 1915	Walgett Council Depot, AU	daily high max	30.6 C (87.1 F)	1.2 C (2.2 F)	34 years	15 of 100 (Routine)
4 September 1915	Woodside, AU	daily rain	24.9 mm (1.0 in)	5.3 mm (0.21 in)	19 years	14 of 100 (Routine)
4 September 1915	Mount Barker, AU	daily rain	19.3 mm (0.8 in)	5.1 mm (0.20 in)	4 years	12 of 100 (Routine)
4 September 1915	Mount Pleasant, AU	daily rain	9.7 mm (0.38 in)	4.4 mm (0.17 in)	6 years	12 of 100 (Routine)
4 September 1915	Uccle, BE	daily low min	4.7 C (40.5 F)	0.2 C (0.4 F)	14 years	12 of 100 (Routine)
4 September 1915	Portland, US	daily high max	30.6 C (87.1 F)	1.7 C (3.1 F)	14 years	12 of 100 (Routine)
4 September 1915	Stansbury, AU	daily rain	3.6 mm (0.14 in)	1.3 mm (0.05 in)	20 years	11 of 100 (Routine)
4 September 1915	Freiburg, DE	daily low max	11.2 C (52.2 F)	3.5 C (6.3 F)	4 years	11 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 1915

Records set or tied on this calendar date in each year from 1802 to 1915. 1915 had 37 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 1915-09-04: 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).

Margin	Records
0 to 5	26
5 to 10	4
10 to 15	1
15 to 20	0
20 to 25	2