Weather Records on 27 September 1970

773 weather records were set or tied worldwide on 27 September 1970. Highest significance: Kadina, AU.

Key Facts for 27 September 1970

On 27 September 1970, 773 weather records were set or tied at long-record stations worldwide.
161 were record highs and 200 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 58 monthly and 712 daily.
Kadina set a daily record precipitation of 33.0 mm (1.3 in) on 27 September 1970.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 449 records.

Record Map

773 stations

773 station records on 27 September 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kadina	Australia	Record daily precipitation	33.0 mm (1.3 in)	62 of 100 (Major)
Chimur	India	Record daily precipitation	103.8 mm (4.1 in)	55 of 100 (Notable)
Hay (Mulberrygong)	Australia	Record daily precipitation	25.4 mm (1.0 in)	54 of 100 (Notable)
East London -Signal STN	South Africa	Record daily precipitation	51.5 mm (2.0 in)	53 of 100 (Notable)
Murray Bridge Comparison	Australia	Record daily precipitation	25.1 mm (1.0 in)	52 of 100 (Notable)
Irymple (Arlington)	Australia	Record daily precipitation	27.9 mm (1.1 in)	52 of 100 (Notable)
Brakpan	South Africa	Record daily precipitation	30.5 mm (1.2 in)	52 of 100 (Notable)
Fulham Park	Australia	Record daily precipitation	44.5 mm (1.8 in)	51 of 100 (Notable)
Goolgumbla	Australia	Record daily precipitation	27.4 mm (1.1 in)	50 of 100 (Notable)
Mount Templeton (Glenalbyn)	Australia	Record daily precipitation	27.2 mm (1.1 in)	49 of 100 (Notable)
Lake Victoria (Cal-Lal)	Australia	Record daily precipitation	44.5 mm (1.8 in)	49 of 100 (Notable)
Newport Beach Harbor	United States	Record high maximum temperature	33.3 C (91.9 F)	49 of 100 (Notable)
Presidio	United States	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Sedan	Australia	Record daily precipitation	31.0 mm (1.2 in)	47 of 100 (Notable)
Renmark	Australia	Record daily precipitation	30.7 mm (1.2 in)	45 of 100 (Notable)
Murray Bridge (Tepko)	Australia	Record daily precipitation	26.2 mm (1.0 in)	45 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	10.4 C (50.7 F)	45 of 100 (Notable)
Sao Fidelis (Pcd)	Brazil	Record daily precipitation	62.0 mm (2.4 in)	45 of 100 (Notable)
Camargo (Smn)	Mexico	Record low maximum temperature	8.9 C (48.0 F)	45 of 100 (Notable)
Cimarron 4 SW	United States	Record low minimum temperature	-8.9 C (16.0 F)	45 of 100 (Notable)
Colorado City	United States	Record low maximum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Burra (Poonunda)	Australia	Record daily precipitation	35.8 mm (1.4 in)	44 of 100 (Notable)
Menard	United States	Record low maximum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Eudunda (Brownlow)	Australia	Record daily precipitation	35.1 mm (1.4 in)	43 of 100 (Notable)
Dordrecht - Tnk 14	South Africa	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Bimbowrie	Australia	Record daily precipitation	25.9 mm (1.0 in)	42 of 100 (Notable)
Harrogate	Australia	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Kanmantoo	Australia	Record daily precipitation	27.2 mm (1.1 in)	42 of 100 (Notable)
Cooch Behar	India	Record daily precipitation	417.3 mm (16.4 in)	42 of 100 (Notable)
Port Alfred	South Africa	Record daily precipitation	31.5 mm (1.2 in)	42 of 100 (Notable)
Munfordville 5 NW	United States	Record daily precipitation	54.6 mm (2.1 in)	42 of 100 (Notable)
Hogsett Rc Byrd Dam	United States	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Clare Post Office	Australia	Record daily precipitation	40.1 mm (1.6 in)	41 of 100 (Notable)
Mannum (Sanderston)	Australia	Record daily precipitation	33.5 mm (1.3 in)	41 of 100 (Notable)
Merbein Csiro Research Station	Australia	Record daily precipitation	26.9 mm (1.1 in)	41 of 100 (Notable)
Sonora	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Port Clinton (Yararoo)	Australia	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Mypolonga	Australia	Record daily precipitation	26.4 mm (1.0 in)	40 of 100 (Notable)
Purnong (Claypans)	Australia	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Dumpe	Australia	Record daily precipitation	42.4 mm (1.7 in)	39 of 100 (Notable)
Merbein Srwsc	Australia	Record daily precipitation	27.7 mm (1.1 in)	39 of 100 (Notable)
Werrimull	Australia	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Delicias (Dge)	Mexico	Record low maximum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Clarks Siding	South Africa	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Beaver Falls 1 NE	United States	Record daily precipitation	28.4 mm (1.1 in)	38 of 100 (Notable)
Galga	Australia	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Ojinaga (Smn)	Mexico	Record daily precipitation	37.8 mm (1.5 in)	37 of 100 (Notable)
Berlin (Sar)	South Africa	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Port Lavaca 2	United States	Record low maximum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Black Hill	Australia	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Murray Lock Number 9	Australia	Record daily precipitation	38.9 mm (1.5 in)	36 of 100 (Notable)
Cuatro Cienegas (Smn)	Mexico	Record low maximum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
San Juan de Los Llanos	Mexico	Record daily precipitation	43.9 mm (1.7 in)	36 of 100 (Notable)
Engcobo (Tnk)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	36 of 100 (Notable)
Laguna Beach	United States	Record high maximum temperature	38.3 C (100.9 F)	36 of 100 (Notable)
Middletown 4 W	United States	Record high minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Kalabity	Australia	Record daily precipitation	32.5 mm (1.3 in)	35 of 100 (Notable)
Yunta (Winnininnie)	Australia	Record daily precipitation	40.4 mm (1.6 in)	35 of 100 (Notable)
Mossgiel (Moolbong)	Australia	Record daily precipitation	34.3 mm (1.4 in)	35 of 100 (Notable)
Trida (Murrumbong)	Australia	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)

Counts by Type and Timescale

773 records

Records set or tied on 27 September 1970 by type: Highest daily maximum 94, Lowest daily maximum 120, Highest daily minimum 67, Lowest daily minimum 80, Heaviest daily rainfall 411, Heaviest daily snowfall 1.

Records on 27 September 1970 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	120
Highest daily minimum	67
Lowest daily minimum	80
Heaviest daily rainfall	411
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 27 September 1970 by timescale: all-time 3, monthly 58, daily 712.

How Much Records Were Beaten By

646 broken records

Margins by which the 646 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.2. Ties are not counted.

Top 20 by Significance

27 September 1970

Top 20 records on 27 September 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1970	Kadina, AU	daily rain	33.0 mm (1.3 in)	15.7 mm (0.6 in)	64 years	62 of 100 (Major)
27 September 1970	Chimur, IN	daily rain	103.8 mm (4.1 in)	68.2 mm (2.7 in)	64 years	55 of 100 (Notable)
27 September 1970	Hay (Mulberrygong), AU	daily rain	25.4 mm (1.0 in)	21.8 mm (0.9 in)	60 years	54 of 100 (Notable)
27 September 1970	East London -Signal STN, ZA	daily rain	51.5 mm (2.0 in)	28.6 mm (1.1 in)	76 years	53 of 100 (Notable)
27 September 1970	Murray Bridge Comparison, AU	daily rain	25.1 mm (1.0 in)	11.9 mm (0.5 in)	64 years	52 of 100 (Notable)
27 September 1970	Irymple (Arlington), AU	daily rain	27.9 mm (1.1 in)	19.5 mm (0.8 in)	59 years	52 of 100 (Notable)
27 September 1970	Brakpan, ZA	daily rain	30.5 mm (1.2 in)	30.5 mm (1.2 in)	47 years	52 of 100 (Notable)
27 September 1970	Fulham Park, AU	daily rain	44.5 mm (1.8 in)	24.2 mm (1.0 in)	64 years	51 of 100 (Notable)
27 September 1970	Goolgumbla, AU	daily rain	27.4 mm (1.1 in)	12.4 mm (0.5 in)	64 years	50 of 100 (Notable)
27 September 1970	Mount Templeton (Glenalbyn), AU	daily rain	27.2 mm (1.1 in)	11.5 mm (0.5 in)	64 years	49 of 100 (Notable)
27 September 1970	Lake Victoria (Cal-Lal), AU	monthly rain	44.5 mm (1.8 in)	6.9 mm (0.27 in)	67 years	49 of 100 (Notable)
27 September 1970	Newport Beach Harbor, US	daily high max	33.3 C (91.9 F)	7.2 C (13.0 F)	48 years	49 of 100 (Notable)
27 September 1970	Presidio, US	daily rain	58.4 mm (2.3 in)	42.4 mm (1.7 in)	25 years	49 of 100 (Notable)
27 September 1970	Sedan, AU	daily rain	31.0 mm (1.2 in)	9.7 mm (0.38 in)	64 years	47 of 100 (Notable)
27 September 1970	Renmark, AU	daily rain	30.7 mm (1.2 in)	18.8 mm (0.7 in)	29 years	45 of 100 (Notable)
27 September 1970	Murray Bridge (Tepko), AU	daily rain	26.2 mm (1.0 in)	8.9 mm (0.35 in)	64 years	45 of 100 (Notable)
27 September 1970	Deniliquin (Wilkinson St), AU	daily low max	10.4 C (50.7 F)	3.3 C (5.9 F)	90 years	45 of 100 (Notable)
27 September 1970	Sao Fidelis (Pcd), BR	daily rain	62.0 mm (2.4 in)	47.0 mm (1.9 in)	9 years	45 of 100 (Notable)
27 September 1970	Camargo (Smn), MX	monthly low max	8.9 C (48.0 F)	8.9 C (16.0 F)	42 years	45 of 100 (Notable)
27 September 1970	Cimarron 4 SW, US	monthly low min	-8.9 C (16.0 F)	3.9 C (7.0 F)	61 years	45 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

1799 to 1970

Records set or tied on this calendar date in each year from 1799 to 1970. 1970 had 773 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 1970-09-27: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	515
10 to 20	99
20 to 30	25
30 to 40	1
40 to 50	3
50 to 60	1
60 to 70	2