Weather Records on 27 September 1957

644 weather records were set or tied worldwide on 27 September 1957. Highest significance: Klamath Falls 2 SSW, US.

Key Facts for 27 September 1957

On 27 September 1957, 644 weather records were set or tied at long-record stations worldwide.
236 were record highs and 233 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 62 monthly and 582 daily.
Klamath Falls 2 SSW set a monthly record daily precipitation of 59.4 mm (2.3 in) on 27 September 1957.
Across 154 earlier years (1799 to 2026) the same calendar date averaged 450 records.

Record Map

644 stations

644 station records on 27 September 1957 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 September 1957: highest significance records shown on the map
Station	Country	Type	Value	Significance
Klamath Falls 2 SSW	United States	Record daily precipitation	59.4 mm (2.3 in)	74 of 100 (Major)
McCloud	United States	Record daily precipitation	113.0 mm (4.4 in)	67 of 100 (Major)
Upper Lake 2 N	United States	Record daily precipitation	64.8 mm (2.6 in)	67 of 100 (Major)
Las Plumas	United States	Record daily precipitation	119.9 mm (4.7 in)	65 of 100 (Major)
Centerville Ph	United States	Record daily precipitation	72.1 mm (2.8 in)	64 of 100 (Major)
Mineral	United States	Record daily precipitation	133.4 mm (5.3 in)	62 of 100 (Major)
Graton	United States	Record daily precipitation	58.4 mm (2.3 in)	61 of 100 (Major)
Keno	United States	Record daily precipitation	50.8 mm (2.0 in)	60 of 100 (Major)
Lakeport	United States	Record daily precipitation	46.7 mm (1.8 in)	58 of 100 (Notable)
San Francisco Dwtn	United States	Record daily precipitation	31.5 mm (1.2 in)	58 of 100 (Notable)
Enterprise	United States	Record daily precipitation	113.0 mm (4.4 in)	55 of 100 (Notable)
Scotia	United States	Record daily precipitation	51.1 mm (2.0 in)	53 of 100 (Notable)
Berkeley	United States	Record daily precipitation	37.6 mm (1.5 in)	51 of 100 (Notable)
Healdsburg	United States	Record daily precipitation	63.5 mm (2.5 in)	51 of 100 (Notable)
Prineville	United States	Record daily precipitation	29.7 mm (1.2 in)	51 of 100 (Notable)
Martenshoop (Pol)	South Africa	Record daily precipitation	36.5 mm (1.4 in)	50 of 100 (Notable)
De Sabla	United States	Record daily precipitation	103.1 mm (4.1 in)	50 of 100 (Notable)
Cinclare	United States	Record daily precipitation	88.6 mm (3.5 in)	50 of 100 (Notable)
Chester	United States	Record daily precipitation	45.2 mm (1.8 in)	49 of 100 (Notable)
Ft Ross	United States	Record daily precipitation	56.9 mm (2.2 in)	49 of 100 (Notable)
Mapumulo (Tnk)	South Africa	Record daily precipitation	49.0 mm (1.9 in)	47 of 100 (Notable)
Steynsrus (Mun)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Dobbins Colgate Foreba	United States	Record daily precipitation	35.8 mm (1.4 in)	47 of 100 (Notable)
Palmiet, Kokstad	South Africa	Record daily precipitation	71.1 mm (2.8 in)	45 of 100 (Notable)
Warden (Mag)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	45 of 100 (Notable)
Pushmataha	United States	Record daily precipitation	80.0 mm (3.1 in)	45 of 100 (Notable)
Grants Pass	United States	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Carmichael (Tnk)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	44 of 100 (Notable)
Willows 6 W	United States	Record daily precipitation	35.1 mm (1.4 in)	44 of 100 (Notable)
Chiloquin 1 E	United States	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Livingston	United States	Record daily precipitation	98.6 mm (3.9 in)	43 of 100 (Notable)
Chico UNIV Farm	United States	Record daily precipitation	55.9 mm (2.2 in)	43 of 100 (Notable)
Orland	United States	Record daily precipitation	42.7 mm (1.7 in)	43 of 100 (Notable)
Crater Lake Nps HQ	United States	Record daily precipitation	67.1 mm (2.6 in)	43 of 100 (Notable)
Canyon Dam	United States	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Buckland Downs	South Africa	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
Ft Bragg 5 N	United States	Record daily precipitation	33.5 mm (1.3 in)	41 of 100 (Notable)
Gorlitz	Germany	Record low minimum temperature	-0.5 C (31.1 F)	40 of 100 (Notable)
Thomasville	United States	Record daily precipitation	84.3 mm (3.3 in)	39 of 100 (Notable)
Mvenyane	South Africa	Record daily precipitation	32.5 mm (1.3 in)	36 of 100 (Notable)
Ndumu	South Africa	Record daily precipitation	90.2 mm (3.6 in)	36 of 100 (Notable)
Ukiah	United States	Record daily precipitation	57.2 mm (2.3 in)	36 of 100 (Notable)
Lockport 2SE	United States	Record low minimum temperature	-2.2 C (28.0 F)	36 of 100 (Notable)
Santa Rosa	United States	Record daily precipitation	38.1 mm (1.5 in)	35 of 100 (Notable)
Clayoquot	Canada	Record daily precipitation	102.1 mm (4.0 in)	34 of 100 (Routine)
Happy Camp Rs	United States	Record daily precipitation	57.4 mm (2.3 in)	34 of 100 (Routine)
Bridgeton 1 NE	United States	Record low minimum temperature	0.6 C (33.1 F)	34 of 100 (Routine)
Cromleigh,Ixopo	South Africa	Record daily precipitation	25.1 mm (1.0 in)	33 of 100 (Routine)
Santa Cruz	United States	Record high minimum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Chemnitz	Germany	Record low minimum temperature	-0.9 C (30.4 F)	32 of 100 (Routine)
Germiston-Fj Payne Park	South Africa	Record daily precipitation	27.5 mm (1.1 in)	32 of 100 (Routine)
Cotija	Mexico	Record daily precipitation	34.8 mm (1.4 in)	31 of 100 (Routine)
Gaylord	United States	Record low minimum temperature	-4.4 C (24.1 F)	31 of 100 (Routine)
Brookhaven City	United States	Record daily precipitation	71.1 mm (2.8 in)	31 of 100 (Routine)
Collins	United States	Record daily precipitation	92.7 mm (3.6 in)	31 of 100 (Routine)
Columbia	United States	Record daily precipitation	61.5 mm (2.4 in)	31 of 100 (Routine)
Huntingdon	United States	Record low minimum temperature	-4.4 C (24.1 F)	31 of 100 (Routine)
Badarpur	India	Record daily precipitation	110.2 mm (4.3 in)	30 of 100 (Routine)
Cornwall	United States	Record low minimum temperature	-5.0 C (23.0 F)	30 of 100 (Routine)
Ludington 4 SE	United States	Record low minimum temperature	-3.3 C (26.1 F)	29 of 100 (Routine)

Counts by Type and Timescale

644 records

Records set or tied on 27 September 1957 by type: Highest daily maximum 83, Lowest daily maximum 72, Highest daily minimum 153, Lowest daily minimum 161, Heaviest daily rainfall 173, Heaviest daily snowfall 2.

Records on 27 September 1957 by type
Record type	Records
Highest daily maximum	83
Lowest daily maximum	72
Highest daily minimum	153
Lowest daily minimum	161
Heaviest daily rainfall	173
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 27 September 1957 by timescale: all-time 0, monthly 62, daily 582.

How Much Records Were Beaten By

471 broken records

Margins by which the 471 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 92.3. Ties are not counted.

Top 20 by Significance

27 September 1957

Top 20 records on 27 September 1957 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 September 1957	Klamath Falls 2 SSW, US	monthly rain	59.4 mm (2.3 in)	31.0 mm (1.2 in)	59 years	74 of 100 (Major)
27 September 1957	McCloud, US	monthly rain	113.0 mm (4.4 in)	60.9 mm (2.4 in)	45 years	67 of 100 (Major)
27 September 1957	Upper Lake 2 N, US	monthly rain	64.8 mm (2.6 in)	27.2 mm (1.1 in)	45 years	67 of 100 (Major)
27 September 1957	Las Plumas, US	monthly rain	119.9 mm (4.7 in)	76.2 mm (3.0 in)	39 years	65 of 100 (Major)
27 September 1957	Centerville Ph, US	monthly rain	72.1 mm (2.8 in)	33.7 mm (1.3 in)	34 years	64 of 100 (Major)
27 September 1957	Mineral, US	monthly rain	133.4 mm (5.3 in)	92.3 mm (3.6 in)	27 years	62 of 100 (Major)
27 September 1957	Graton, US	monthly rain	58.4 mm (2.3 in)	42.4 mm (1.7 in)	27 years	61 of 100 (Major)
27 September 1957	Keno, US	monthly rain	50.8 mm (2.0 in)	29.7 mm (1.2 in)	26 years	60 of 100 (Major)
27 September 1957	Lakeport, US	monthly rain	46.7 mm (1.8 in)	23.6 mm (0.9 in)	19 years	58 of 100 (Notable)
27 September 1957	San Francisco Dwtn, US	monthly rain	31.5 mm (1.2 in)	14.7 mm (0.6 in)	18 years	58 of 100 (Notable)
27 September 1957	Enterprise, US	daily rain	113.0 mm (4.4 in)	61.7 mm (2.4 in)	39 years	55 of 100 (Notable)
27 September 1957	Scotia, US	monthly rain	51.1 mm (2.0 in)	33.6 mm (1.3 in)	0 years	53 of 100 (Notable)
27 September 1957	Berkeley, US	daily rain	37.6 mm (1.5 in)	35.3 mm (1.4 in)	19 years	51 of 100 (Notable)
27 September 1957	Healdsburg, US	daily rain	63.5 mm (2.5 in)	55.1 mm (2.2 in)	19 years	51 of 100 (Notable)
27 September 1957	Prineville, US	daily rain	29.7 mm (1.2 in)	17.8 mm (0.7 in)	30 years	51 of 100 (Notable)
27 September 1957	Martenshoop (Pol), ZA	daily rain	36.5 mm (1.4 in)	34.0 mm (1.3 in)	32 years	50 of 100 (Notable)
27 September 1957	De Sabla, US	daily rain	103.1 mm (4.1 in)	89.1 mm (3.5 in)	19 years	50 of 100 (Notable)
27 September 1957	Cinclare, US	daily rain	88.6 mm (3.5 in)	59.4 mm (2.3 in)	40 years	50 of 100 (Notable)
27 September 1957	Chester, US	daily rain	45.2 mm (1.8 in)	36.8 mm (1.4 in)	19 years	49 of 100 (Notable)
27 September 1957	Ft Ross, US	daily rain	56.9 mm (2.2 in)	46.5 mm (1.8 in)	19 years	49 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 1957

Records set or tied on this calendar date in each year from 1799 to 1957. 1957 had 644 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 1957-09-27: 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 20	419
20 to 40	38
40 to 60	9
60 to 80	3
80 to 100	2