Weather Records on 15 September 1957

449 weather records were set or tied worldwide on 15 September 1957. Highest significance: Oatlands Post Office, AU.

Key Facts for 15 September 1957

On 15 September 1957, 449 weather records were set or tied at long-record stations worldwide.
83 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 9 were all-time records, 32 monthly and 408 daily.
Oatlands Post Office set a monthly record daily precipitation of 66.0 mm (2.6 in) on 15 September 1957.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 413 records.

Record Map

449 stations

449 station records on 15 September 1957 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1957: highest significance records shown on the map
Station	Country	Type	Value	Significance
Oatlands Post Office	Australia	Record daily precipitation	66.0 mm (2.6 in)	67 of 100 (Major)
Bijnor	India	Record daily precipitation	319.5 mm (12.6 in)	67 of 100 (Major)
Oatlands (Bow Hill)	Australia	Record daily precipitation	86.4 mm (3.4 in)	66 of 100 (Major)
Sandford (Maydena)	Australia	Record daily precipitation	43.2 mm (1.7 in)	64 of 100 (Major)
Owen Sound	Canada	Record daily precipitation	78.5 mm (3.1 in)	63 of 100 (Major)
Lenah Valley (Augusta Road)	Australia	Record daily precipitation	116.6 mm (4.6 in)	62 of 100 (Major)
Port Arthur	Australia	Record daily precipitation	80.0 mm (3.1 in)	61 of 100 (Major)
Cape Bruny Lighthouse	Australia	Record daily precipitation	46.2 mm (1.8 in)	60 of 100 (Major)
Ranikhet	India	Record daily precipitation	149.9 mm (5.9 in)	60 of 100 (Major)
Mukteshwar Kumaon	India	Record daily precipitation	207.0 mm (8.1 in)	60 of 100 (Major)
Nainital	India	Record daily precipitation	316.0 mm (12.4 in)	60 of 100 (Major)
Cranbrook (Cranbrook House)	Australia	Record daily precipitation	38.1 mm (1.5 in)	58 of 100 (Notable)
Franklin	Australia	Record daily precipitation	95.3 mm (3.8 in)	58 of 100 (Notable)
Mount Pleasant	Australia	Record daily precipitation	71.9 mm (2.8 in)	57 of 100 (Notable)
Kempton (Oakmore)	Australia	Record daily precipitation	65.0 mm (2.6 in)	57 of 100 (Notable)
York Plains (Handroyd)	Australia	Record daily precipitation	65.3 mm (2.6 in)	56 of 100 (Notable)
Lindisfarne	Australia	Record daily precipitation	101.6 mm (4.0 in)	56 of 100 (Notable)
Colebrook (the Meadows)	Australia	Record daily precipitation	69.6 mm (2.7 in)	55 of 100 (Notable)
Killora (Grasmere)	Australia	Record daily precipitation	77.7 mm (3.1 in)	55 of 100 (Notable)
Richmond (Brookbank)	Australia	Record daily precipitation	66.5 mm (2.6 in)	55 of 100 (Notable)
Robeville	Australia	Record daily precipitation	50.0 mm (2.0 in)	55 of 100 (Notable)
Jeoli Jansath	India	Record daily precipitation	235.5 mm (9.3 in)	55 of 100 (Notable)
Swansea Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	54 of 100 (Notable)
Premaydena Hatchery	Australia	Record daily precipitation	50.8 mm (2.0 in)	54 of 100 (Notable)
Risdon	Australia	Record daily precipitation	75.7 mm (3.0 in)	54 of 100 (Notable)
Rokeby (the Mall)	Australia	Record daily precipitation	82.6 mm (3.3 in)	54 of 100 (Notable)
Naracoopa	Australia	Record daily precipitation	50.8 mm (2.0 in)	54 of 100 (Notable)
Buckland (Brockley)	Australia	Record daily precipitation	35.3 mm (1.4 in)	53 of 100 (Notable)
Middleton Post Office	Australia	Record daily precipitation	81.3 mm (3.2 in)	53 of 100 (Notable)
Kharar	India	Record daily precipitation	146.8 mm (5.8 in)	53 of 100 (Notable)
Lake Leake (Elizabeth River)	Australia	Record daily precipitation	45.7 mm (1.8 in)	52 of 100 (Notable)
Woodbridge	Australia	Record daily precipitation	108.7 mm (4.3 in)	52 of 100 (Notable)
Tasman Island Lighthouse	Australia	Record daily precipitation	36.1 mm (1.4 in)	52 of 100 (Notable)
Tishomingo Natl Wr	United States	Record daily precipitation	91.7 mm (3.6 in)	52 of 100 (Notable)
Apsley (Parki)	Australia	Record daily precipitation	36.3 mm (1.4 in)	51 of 100 (Notable)
Lymington (Fattys Lane)	Australia	Record daily precipitation	71.4 mm (2.8 in)	51 of 100 (Notable)
Amroha	India	Record daily precipitation	363.7 mm (14.3 in)	51 of 100 (Notable)
Anthony	United States	Record daily precipitation	79.5 mm (3.1 in)	51 of 100 (Notable)
Nugent	Australia	Record daily precipitation	69.9 mm (2.8 in)	50 of 100 (Notable)
Bear Island	Canada	Record daily precipitation	77.0 mm (3.0 in)	50 of 100 (Notable)
Haldwani	India	Record daily precipitation	196.3 mm (7.7 in)	50 of 100 (Notable)
Parry Sound	Canada	Record daily precipitation	72.1 mm (2.8 in)	49 of 100 (Notable)
Champawat	India	Record daily precipitation	159.8 mm (6.3 in)	48 of 100 (Notable)
Maria Island (Darlington)	Australia	Record daily precipitation	39.6 mm (1.6 in)	47 of 100 (Notable)
Swansea (Kelvedon)	Australia	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Port Stanley	Canada	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
St Thomas	Canada	Record daily precipitation	42.7 mm (1.7 in)	47 of 100 (Notable)
Georgetown	Canada	Record daily precipitation	39.1 mm (1.5 in)	47 of 100 (Notable)
Kellevie	Australia	Record daily precipitation	53.6 mm (2.1 in)	46 of 100 (Notable)
Waddamana Field Study Centre	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Little Swanport (Lisdillon)	Australia	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Beatrice	Canada	Record daily precipitation	37.3 mm (1.5 in)	45 of 100 (Notable)
Muzaffarnagar	India	Record daily precipitation	200.7 mm (7.9 in)	45 of 100 (Notable)
Triabunna (3 Boyle Street)	Australia	Record daily precipitation	38.9 mm (1.5 in)	44 of 100 (Notable)
Ouse (Millbrook)	Australia	Record daily precipitation	29.0 mm (1.1 in)	44 of 100 (Notable)
Dadupur	India	Record daily precipitation	184.2 mm (7.3 in)	44 of 100 (Notable)
Pithoragarh	India	Record daily precipitation	114.3 mm (4.5 in)	44 of 100 (Notable)
Naya Shahr	India	Record daily precipitation	142.2 mm (5.6 in)	44 of 100 (Notable)
Sahaswan	India	Record daily precipitation	107.7 mm (4.2 in)	43 of 100 (Notable)
Kalsia	India	Record daily precipitation	166.4 mm (6.6 in)	43 of 100 (Notable)

Counts by Type and Timescale

449 records

Records set or tied on 15 September 1957 by type: Highest daily maximum 31, Lowest daily maximum 26, Highest daily minimum 52, Lowest daily minimum 39, Heaviest daily rainfall 300, Heaviest daily snowfall 1.

Records on 15 September 1957 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	26
Highest daily minimum	52
Lowest daily minimum	39
Heaviest daily rainfall	300
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 15 September 1957 by timescale: all-time 9, monthly 32, daily 408.

How Much Records Were Beaten By

378 broken records

Margins by which the 378 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 231.9. Ties are not counted.

Top 20 by Significance

15 September 1957

Top 20 records on 15 September 1957 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1957	Oatlands Post Office, AU	monthly rain	66.0 mm (2.6 in)	30.7 mm (1.2 in)	41 years	67 of 100 (Major)
15 September 1957	Bijnor, IN	all-time rain	319.5 mm (12.6 in)	88.9 mm (3.5 in)	55 years	67 of 100 (Major)
15 September 1957	Oatlands (Bow Hill), AU	monthly rain	86.4 mm (3.4 in)	49.8 mm (2.0 in)	41 years	66 of 100 (Major)
15 September 1957	Sandford (Maydena), AU	daily rain	43.2 mm (1.7 in)	28.5 mm (1.1 in)	60 years	64 of 100 (Major)
15 September 1957	Owen Sound, CA	daily rain	78.5 mm (3.1 in)	38.9 mm (1.5 in)	54 years	63 of 100 (Major)
15 September 1957	Lenah Valley (Augusta Road), AU	all-time rain	116.6 mm (4.6 in)	15.5 mm (0.6 in)	15 years	62 of 100 (Major)
15 September 1957	Port Arthur, AU	monthly rain	80.0 mm (3.1 in)	31.5 mm (1.2 in)	3 years	61 of 100 (Major)
15 September 1957	Cape Bruny Lighthouse, AU	daily rain	46.2 mm (1.8 in)	33.5 mm (1.3 in)	44 years	60 of 100 (Major)
15 September 1957	Ranikhet, IN	daily rain	149.9 mm (5.9 in)	80.3 mm (3.2 in)	51 years	60 of 100 (Major)
15 September 1957	Mukteshwar Kumaon, IN	daily rain	207.0 mm (8.1 in)	140.5 mm (5.5 in)	51 years	60 of 100 (Major)
15 September 1957	Nainital, IN	daily rain	316.0 mm (12.4 in)	231.9 mm (9.1 in)	51 years	60 of 100 (Major)
15 September 1957	Cranbrook (Cranbrook House), AU	daily rain	38.1 mm (1.5 in)	32.5 mm (1.3 in)	46 years	58 of 100 (Notable)
15 September 1957	Franklin, AU	monthly rain	95.3 mm (3.8 in)	55.7 mm (2.2 in)	3 years	58 of 100 (Notable)
15 September 1957	Mount Pleasant, AU	monthly rain	71.9 mm (2.8 in)	41.7 mm (1.6 in)	13 years	57 of 100 (Notable)
15 September 1957	Kempton (Oakmore), AU	monthly rain	65.0 mm (2.6 in)	32.5 mm (1.3 in)	3 years	57 of 100 (Notable)
15 September 1957	York Plains (Handroyd), AU	monthly rain	65.3 mm (2.6 in)	36.3 mm (1.4 in)	8 years	56 of 100 (Notable)
15 September 1957	Lindisfarne, AU	monthly rain	101.6 mm (4.0 in)	62.0 mm (2.4 in)	3 years	56 of 100 (Notable)
15 September 1957	Colebrook (the Meadows), AU	monthly rain	69.6 mm (2.7 in)	29.5 mm (1.2 in)	3 years	55 of 100 (Notable)
15 September 1957	Killora (Grasmere), AU	monthly rain	77.7 mm (3.1 in)	24.4 mm (1.0 in)	3 years	55 of 100 (Notable)
15 September 1957	Richmond (Brookbank), AU	monthly rain	66.5 mm (2.6 in)	32.7 mm (1.3 in)	3 years	55 of 100 (Notable)

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 1957

Records set or tied on this calendar date in each year from 1797 to 1957. 1957 had 449 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 1957-09-15: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	340
50 to 100	30
100 to 150	7
150 to 200	0
200 to 250	1