Weather Records on 27 September 1951

480 weather records were set or tied worldwide on 27 September 1951. Highest significance: Fremantle, AU.

Key Facts for 27 September 1951

On 27 September 1951, 480 weather records were set or tied at long-record stations worldwide.
95 were record highs and 173 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 464 daily.
Fremantle set a monthly record daily precipitation of 61.5 mm (2.4 in) on 27 September 1951.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 451 records.

Record Map

480 stations

480 station records on 27 September 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fremantle	Australia	Record daily precipitation	61.5 mm (2.4 in)	72 of 100 (Major)
Brodribb River	Australia	Record daily precipitation	77.0 mm (3.0 in)	54 of 100 (Notable)
Ambasamudram	India	Record daily precipitation	49.5 mm (1.9 in)	49 of 100 (Notable)
Kadayanallur	India	Record daily precipitation	92.2 mm (3.6 in)	49 of 100 (Notable)
St Andrews	Canada	Record daily precipitation	55.9 mm (2.2 in)	47 of 100 (Notable)
Cowalla	Australia	Record daily precipitation	31.5 mm (1.2 in)	46 of 100 (Notable)
Kaliyal	India	Record daily precipitation	94.0 mm (3.7 in)	46 of 100 (Notable)
Manjeri	India	Record daily precipitation	92.2 mm (3.6 in)	44 of 100 (Notable)
Aruppukottai	India	Record daily precipitation	78.7 mm (3.1 in)	43 of 100 (Notable)
Three Springs	Australia	Record daily precipitation	26.2 mm (1.0 in)	42 of 100 (Notable)
Kadayam	India	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Orbost (Comparison)	Australia	Record daily precipitation	52.8 mm (2.1 in)	41 of 100 (Notable)
Cape Riche	Australia	Record daily precipitation	32.5 mm (1.3 in)	40 of 100 (Notable)
Murrungowar	Australia	Record daily precipitation	56.1 mm (2.2 in)	37 of 100 (Notable)
Campsie	Canada	Record low minimum temperature	-17.2 C (1.0 F)	35 of 100 (Notable)
Wisley	United Kingdom	Record daily precipitation	27.4 mm (1.1 in)	35 of 100 (Notable)
Ozark	United States	Record daily precipitation	91.7 mm (3.6 in)	35 of 100 (Notable)
Wetaskiwin	Canada	Record low minimum temperature	-15.0 C (5.0 F)	34 of 100 (Routine)
Karikode	India	Record daily precipitation	132.1 mm (5.2 in)	34 of 100 (Routine)
Pulletop (Matta Mia)	Australia	Record daily precipitation	26.4 mm (1.0 in)	33 of 100 (Routine)
Edson	Canada	Record low minimum temperature	-18.3 C (-0.9 F)	33 of 100 (Routine)
Skegness	United Kingdom	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Mingenew	Australia	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Sion	Canada	Record low minimum temperature	-13.3 C (8.1 F)	31 of 100 (Routine)
St George	Canada	Record daily precipitation	68.3 mm (2.7 in)	31 of 100 (Routine)
Ottapalam	India	Record daily precipitation	51.6 mm (2.0 in)	30 of 100 (Routine)
Thamaraikulam	India	Record daily precipitation	57.2 mm (2.3 in)	30 of 100 (Routine)
Virudhunagar	India	Record daily precipitation	67.8 mm (2.7 in)	30 of 100 (Routine)
Nanaimo	Canada	Record daily precipitation	30.2 mm (1.2 in)	29 of 100 (Routine)
Vedaranayam	India	Record daily precipitation	72.9 mm (2.9 in)	29 of 100 (Routine)
Wungong Dam	Australia	Record daily precipitation	55.4 mm (2.2 in)	28 of 100 (Routine)
Hirekerur	India	Record daily precipitation	68.6 mm (2.7 in)	28 of 100 (Routine)
Udayalipatti	India	Record daily precipitation	58.4 mm (2.3 in)	28 of 100 (Routine)
New Orleans Audubon	United States	Record high minimum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Georgetown Post Office	Australia	Record low minimum temperature	5.0 C (41.0 F)	27 of 100 (Routine)
Springdale	Canada	Record low minimum temperature	-20.0 C (-4.0 F)	27 of 100 (Routine)
Monticello	United States	Record daily precipitation	84.6 mm (3.3 in)	27 of 100 (Routine)
Allambie	Australia	Record daily precipitation	26.2 mm (1.0 in)	26 of 100 (Routine)
Serpentine	Australia	Record daily precipitation	34.8 mm (1.4 in)	26 of 100 (Routine)
Ranfurly	Canada	Record low minimum temperature	-14.4 C (6.1 F)	26 of 100 (Routine)
Hillsdown	Canada	Record low minimum temperature	-16.1 C (3.0 F)	26 of 100 (Routine)
Atikokan Cli	Canada	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Chickmagalur	India	Record daily precipitation	52.6 mm (2.1 in)	26 of 100 (Routine)
Pennant Hills (Yarrara Road)	Australia	Record daily precipitation	25.7 mm (1.0 in)	25 of 100 (Routine)
Wastina Hemaruka	Canada	Record low minimum temperature	-15.0 C (5.0 F)	25 of 100 (Routine)
Port Alberni	Canada	Record low maximum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Alix	Canada	Record low minimum temperature	-14.4 C (6.1 F)	24 of 100 (Routine)
Vijayawada	India	Record daily precipitation	47.0 mm (1.9 in)	24 of 100 (Routine)
Siddapur	India	Record daily precipitation	44.7 mm (1.8 in)	24 of 100 (Routine)
Karambakkudi	India	Record daily precipitation	71.1 mm (2.8 in)	24 of 100 (Routine)
Kayatnur	India	Record daily precipitation	91.9 mm (3.6 in)	24 of 100 (Routine)
Parker 1 E	United States	Record high minimum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Armadale	Australia	Record daily precipitation	41.7 mm (1.6 in)	23 of 100 (Routine)
Kudal	India	Record daily precipitation	51.8 mm (2.0 in)	23 of 100 (Routine)
Amity	United States	Record daily precipitation	87.9 mm (3.5 in)	23 of 100 (Routine)
Dillon U of Montana Western	United States	Record low minimum temperature	-7.8 C (18.0 F)	23 of 100 (Routine)
Fergana	Uzbekistan	Record high minimum temperature	12.6 C (54.7 F)	23 of 100 (Routine)
Bridgetown Comparison	Australia	Record daily precipitation	25.4 mm (1.0 in)	22 of 100 (Routine)
Hillsdown	Canada	Record low maximum temperature	-1.7 C (28.9 F)	22 of 100 (Routine)
Attingal	India	Record daily precipitation	61.0 mm (2.4 in)	22 of 100 (Routine)

Counts by Type and Timescale

480 records

Records set or tied on 27 September 1951 by type: Highest daily maximum 63, Lowest daily maximum 101, Highest daily minimum 32, Lowest daily minimum 72, Heaviest daily rainfall 209, Heaviest daily snowfall 3.

Records on 27 September 1951 by type
Record type	Records
Highest daily maximum	63
Lowest daily maximum	101
Highest daily minimum	32
Lowest daily minimum	72
Heaviest daily rainfall	209
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 27 September 1951 by timescale: all-time 0, monthly 16, daily 464.

How Much Records Were Beaten By

399 broken records

Margins by which the 399 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.2. Ties are not counted.

Top 20 by Significance

27 September 1951

Top 20 records on 27 September 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1951	Fremantle, AU	monthly rain	61.5 mm (2.4 in)	21.4 mm (0.8 in)	42 years	72 of 100 (Major)
27 September 1951	Brodribb River, AU	daily rain	77.0 mm (3.0 in)	52.6 mm (2.1 in)	34 years	54 of 100 (Notable)
27 September 1951	Ambasamudram, IN	daily rain	49.5 mm (1.9 in)	46.2 mm (1.8 in)	21 years	49 of 100 (Notable)
27 September 1951	Kadayanallur, IN	daily rain	92.2 mm (3.6 in)	78.2 mm (3.1 in)	17 years	49 of 100 (Notable)
27 September 1951	St Andrews, CA	daily rain	55.9 mm (2.2 in)	47.8 mm (1.9 in)	6 years	47 of 100 (Notable)
27 September 1951	Cowalla, AU	daily rain	31.5 mm (1.2 in)	18.3 mm (0.7 in)	41 years	46 of 100 (Notable)
27 September 1951	Kaliyal, IN	daily rain	94.0 mm (3.7 in)	59.7 mm (2.4 in)	24 years	46 of 100 (Notable)
27 September 1951	Manjeri, IN	daily rain	92.2 mm (3.6 in)	57.4 mm (2.3 in)	24 years	44 of 100 (Notable)
27 September 1951	Aruppukottai, IN	daily rain	78.7 mm (3.1 in)	55.8 mm (2.2 in)	8 years	43 of 100 (Notable)
27 September 1951	Three Springs, AU	daily rain	26.2 mm (1.0 in)	14.8 mm (0.6 in)	24 years	42 of 100 (Notable)
27 September 1951	Kadayam, IN	daily rain	47.0 mm (1.9 in)	39.9 mm (1.6 in)	13 years	42 of 100 (Notable)
27 September 1951	Orbost (Comparison), AU	daily rain	52.8 mm (2.1 in)	22.3 mm (0.9 in)	52 years	41 of 100 (Notable)
27 September 1951	Cape Riche, AU	daily rain	32.5 mm (1.3 in)	20.6 mm (0.8 in)	34 years	40 of 100 (Notable)
27 September 1951	Murrungowar, AU	daily rain	56.1 mm (2.2 in)	27.4 mm (1.1 in)	34 years	37 of 100 (Notable)
27 September 1951	Campsie, CA	monthly low min	-17.2 C (1.0 F)	5.5 C (9.9 F)	31 years	35 of 100 (Notable)
27 September 1951	Wisley, GB	daily rain	27.4 mm (1.1 in)	15.7 mm (0.6 in)	12 years	35 of 100 (Notable)
27 September 1951	Ozark, US	daily rain	91.7 mm (3.6 in)	37.1 mm (1.5 in)	24 years	35 of 100 (Notable)
27 September 1951	Wetaskiwin, CA	monthly low min	-15.0 C (5.0 F)	5.0 C (9.0 F)	25 years	34 of 100 (Routine)
27 September 1951	Karikode, IN	daily rain	132.1 mm (5.2 in)	30.0 mm (1.2 in)	48 years	34 of 100 (Routine)
27 September 1951	Pulletop (Matta Mia), AU	daily rain	26.4 mm (1.0 in)	10.4 mm (0.4 in)	48 years	33 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

1799 to 1951

Records set or tied on this calendar date in each year from 1799 to 1951. 1951 had 480 records.

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

Records on 09-27 in each year
Year	Records
1799	1
1828	1
1836	2
1847	1
1851	1
1854	2
1855	2
1859	2
1866	2
1867	3
1874	1
1875	1
1877	2
1880	1
1881	4
1882	1
1885	5
1887	1
1890	3
1891	1
1892	1
1893	1
1894	5
1895	6
1896	1
1897	2
1898	4
1899	1
1900	5
1901	3
1902	12
1903	7
1904	12
1905	21
1906	21
1907	9
1908	36
1909	17
1910	20
1911	31
1912	25
1913	27
1914	24
1915	80
1916	57
1917	41
1918	58
1919	45
1920	54
1921	26
1922	111
1923	125
1924	115
1925	129
1926	581
1927	244
1928	288
1929	225
1930	178
1931	222
1932	194
1933	559
1934	298
1935	319
1936	435
1937	309
1938	366
1939	572
1940	706
1941	257
1942	1,353
1943	503
1944	323
1945	475
1946	387
1947	813
1948	405
1949	407
1950	223
1951	480
1952	539
1953	567
1954	507
1955	386
1956	825
1957	644
1958	585
1959	582
1960	337
1961	376
1962	352
1963	849
1964	724
1965	688
1966	426
1967	502
1968	286
1969	233
1970	773
1971	762
1972	989
1973	1,031
1974	408
1975	790
1976	905
1977	852
1978	773
1979	741
1980	559
1981	680
1982	1,076
1983	791
1984	1,297
1985	661
1986	1,772
1987	1,013
1988	494
1989	852
1990	379
1991	894
1992	659
1993	727
1994	764
1995	698
1996	1,468
1997	730
1998	1,774
1999	1,059
2000	1,031
2001	980
2002	992
2003	830
2004	665
2005	1,061
2006	596
2007	1,091
2008	659
2009	987
2010	1,153
2011	965
2012	624
2013	823
2014	813
2015	664
2016	600
2017	891
2018	600
2019	755
2020	659
2021	893
2022	642
2023	747
2024	1,449
2025	272
2026	358

Download the Data

Data for records on 1951-09-27: 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 10	332
10 to 20	40
20 to 30	12
30 to 40	8
40 to 50	2
50 to 60	4
60 to 70	0
70 to 80	1