Weather Records on 15 September 1912

64 weather records were set or tied worldwide on 15 September 1912. Highest significance: Kyneton Post Office, AU.

Key Facts for 15 September 1912

On 15 September 1912, 64 weather records were set or tied at long-record stations worldwide.
9 were record highs and 6 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 63 daily.
Kyneton Post Office set a daily record precipitation of 50.3 mm (2.0 in) on 15 September 1912.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 415 records.

Record Map

64 stations

64 station records on 15 September 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1912: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kyneton Post Office	Australia	Record daily precipitation	50.3 mm (2.0 in)	55 of 100 (Notable)
Halls Gap	Australia	Record daily precipitation	52.8 mm (2.1 in)	49 of 100 (Notable)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	37.1 mm (1.5 in)	46 of 100 (Notable)
Milwaukee Wb City	United States	Record daily precipitation	75.7 mm (3.0 in)	46 of 100 (Notable)
Portland	Australia	Record daily precipitation	33.5 mm (1.3 in)	41 of 100 (Notable)
Kiandra Chalet	Australia	Record daily precipitation	72.4 mm (2.9 in)	40 of 100 (Notable)
Stawell	Australia	Record daily precipitation	31.5 mm (1.2 in)	39 of 100 (Notable)
Mount Gambier Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	33 of 100 (Routine)
Maldon (Derby Hill)	Australia	Record daily precipitation	26.4 mm (1.0 in)	33 of 100 (Routine)
Velikie Luki	Russia	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Vasilevici	Belarus	Record daily precipitation	32.9 mm (1.3 in)	32 of 100 (Routine)
Warragul (Carbethon)	Australia	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Castlemaine	Australia	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Blackwood	Australia	Record daily precipitation	29.7 mm (1.2 in)	30 of 100 (Routine)
Macedon Forestry	Australia	Record daily precipitation	58.4 mm (2.3 in)	26 of 100 (Routine)
Strathbogie North	Australia	Record daily precipitation	36.8 mm (1.4 in)	24 of 100 (Routine)
Warburton	Australia	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Maryborough	Australia	Record daily precipitation	28.4 mm (1.1 in)	22 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record daily precipitation	39.9 mm (1.6 in)	22 of 100 (Routine)
Lorne Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	21 of 100 (Routine)
Washington	United States	Record high minimum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Jokkmokk	Sweden	Record daily precipitation	22.2 mm (0.9 in)	20 of 100 (Routine)
Tullaroop Reservoir	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Ballarat Botanical Gardens	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Alexandra (Post Office)	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Sale	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Robe Comparison	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Lyonville	Australia	Record daily precipitation	38.9 mm (1.5 in)	20 of 100 (Routine)
Geelong Sec	Australia	Record daily precipitation	16.0 mm (0.6 in)	19 of 100 (Routine)
Casterton (Warrock)	Australia	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Lake Marmal	Australia	Record daily precipitation	10.9 mm (0.4 in)	18 of 100 (Routine)
Omeo Comparison	Australia	Record daily precipitation	20.8 mm (0.8 in)	16 of 100 (Routine)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	19.8 mm (0.8 in)	16 of 100 (Routine)
Yan Yean	Australia	Record daily precipitation	7.6 mm (0.30 in)	16 of 100 (Routine)
Hamilton	Australia	Record daily precipitation	18.3 mm (0.7 in)	16 of 100 (Routine)
Southampton	Canada	Record daily precipitation	17.0 mm (0.7 in)	16 of 100 (Routine)
Brome	Canada	Record daily precipitation	21.1 mm (0.8 in)	15 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	17.7 C (63.9 F)	14 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high minimum temperature	12.8 C (55.0 F)	14 of 100 (Routine)
Glenthompson (Brie Brie)	Australia	Record daily precipitation	13.2 mm (0.5 in)	14 of 100 (Routine)
Regensburg	Germany	Record low maximum temperature	11.0 C (51.8 F)	14 of 100 (Routine)
Dookie Agricultural College	Australia	Record daily precipitation	5.6 mm (0.22 in)	13 of 100 (Routine)
Rosedale	Australia	Record daily precipitation	19.6 mm (0.8 in)	13 of 100 (Routine)
Bacchus Marsh	Australia	Record daily precipitation	7.6 mm (0.30 in)	13 of 100 (Routine)
Wien	Austria	Record low maximum temperature	12.1 C (53.8 F)	13 of 100 (Routine)
Arnsberg	Germany	Record low maximum temperature	11.3 C (52.3 F)	12 of 100 (Routine)
Beenak	Australia	Record daily precipitation	31.8 mm (1.3 in)	10 of 100 (Routine)
Ararat Post Office	Australia	Record daily precipitation	13.2 mm (0.5 in)	10 of 100 (Routine)
Barrie	Canada	Record daily precipitation	14.0 mm (0.6 in)	10 of 100 (Routine)
Bridgewater (Memsie)	Australia	Record daily precipitation	12.7 mm (0.5 in)	9 of 100 (Routine)
Baltimore Customs House	United States	Record high minimum temperature	22.2 C (72.0 F)	9 of 100 (Routine)
Dandenong (Comberoond)	Australia	Record daily precipitation	14.7 mm (0.6 in)	8 of 100 (Routine)
Berrybank	Australia	Record daily precipitation	10.9 mm (0.4 in)	8 of 100 (Routine)
Heathcote	Australia	Record daily precipitation	8.6 mm (0.34 in)	7 of 100 (Routine)
Wallaloo	Australia	Record daily precipitation	7.6 mm (0.30 in)	6 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high maximum temperature	28.3 C (82.9 F)	6 of 100 (Routine)
Kremsmuenster	Austria	Record low maximum temperature	10.0 C (50.0 F)	5 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low maximum temperature	9.8 C (49.6 F)	5 of 100 (Routine)
Mortlake	Australia	Record daily precipitation	12.4 mm (0.5 in)	4 of 100 (Routine)
Concord	United States	Record high minimum temperature	17.2 C (63.0 F)	3 of 100 (Routine)

Counts by Type and Timescale

64 records

Records set or tied on 15 September 1912 by type: Highest daily maximum 2, Lowest daily maximum 6, Highest daily minimum 7, Heaviest daily rainfall 49.

Records on 15 September 1912 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	6
Highest daily minimum	7
Lowest daily minimum	0
Heaviest daily rainfall	49
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 1912 by timescale: all-time 0, monthly 1, daily 63.

How Much Records Were Beaten By

59 broken records

Margins by which the 59 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.4. Ties are not counted.

Top 20 by Significance

15 September 1912

Top 20 records on 15 September 1912 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1912	Kyneton Post Office, AU	daily rain	50.3 mm (2.0 in)	31.2 mm (1.2 in)	38 years	55 of 100 (Notable)
15 September 1912	Halls Gap, AU	daily rain	52.8 mm (2.1 in)	40.1 mm (1.6 in)	21 years	49 of 100 (Notable)
15 September 1912	Wilsons Promontory Lighthouse, AU	daily rain	37.1 mm (1.5 in)	20.6 mm (0.8 in)	35 years	46 of 100 (Notable)
15 September 1912	Milwaukee Wb City, US	daily rain	75.7 mm (3.0 in)	54.4 mm (2.1 in)	9 years	46 of 100 (Notable)
15 September 1912	Portland, AU	daily rain	33.5 mm (1.3 in)	18.3 mm (0.7 in)	21 years	41 of 100 (Notable)
15 September 1912	Kiandra Chalet, AU	daily rain	72.4 mm (2.9 in)	41.7 mm (1.6 in)	20 years	40 of 100 (Notable)
15 September 1912	Stawell, AU	daily rain	31.5 mm (1.2 in)	20.1 mm (0.8 in)	18 years	39 of 100 (Notable)
15 September 1912	Mount Gambier Post Office, AU	daily rain	28.4 mm (1.1 in)	11.9 mm (0.5 in)	21 years	33 of 100 (Routine)
15 September 1912	Maldon (Derby Hill), AU	daily rain	26.4 mm (1.0 in)	20.0 mm (0.8 in)	7 years	33 of 100 (Routine)
15 September 1912	Velikie Luki, RU	daily rain	25.0 mm (1.0 in)	14.3 mm (0.6 in)	4 years	33 of 100 (Routine)
15 September 1912	Vasilevici, BY	daily rain	32.9 mm (1.3 in)	16.2 mm (0.6 in)	16 years	32 of 100 (Routine)
15 September 1912	Warragul (Carbethon), AU	daily rain	33.0 mm (1.3 in)	16.5 mm (0.6 in)	33 years	31 of 100 (Routine)
15 September 1912	Castlemaine, AU	daily rain	36.6 mm (1.4 in)	15.0 mm (0.6 in)	19 years	31 of 100 (Routine)
15 September 1912	Blackwood, AU	daily rain	29.7 mm (1.2 in)	20.8 mm (0.8 in)	18 years	30 of 100 (Routine)
15 September 1912	Macedon Forestry, AU	monthly rain	58.4 mm (2.3 in)	2.5 mm (0.10 in)	32 years	26 of 100 (Routine)
15 September 1912	Strathbogie North, AU	daily rain	36.8 mm (1.4 in)	20.3 mm (0.8 in)	19 years	24 of 100 (Routine)
15 September 1912	Warburton, AU	daily rain	38.1 mm (1.5 in)	13.5 mm (0.5 in)	19 years	22 of 100 (Routine)
15 September 1912	Maryborough, AU	daily rain	28.4 mm (1.1 in)	9.1 mm (0.36 in)	19 years	22 of 100 (Routine)
15 September 1912	Cape Otway Lighthouse, AU	daily rain	39.9 mm (1.6 in)	9.9 mm (0.39 in)	1 year	22 of 100 (Routine)
15 September 1912	Lorne Post Office, AU	daily rain	38.9 mm (1.5 in)	13.2 mm (0.5 in)	7 years	21 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

1797 to 1912

Records set or tied on this calendar date in each year from 1797 to 1912. 1912 had 64 records.

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

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 1912-09-15: 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 15 September 1912
Margin	Records
0 to 10	36
10 to 20	14
20 to 30	5
30 to 40	1
40 to 50	2
50 to 60	1