San Francisco September 27 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	71	57	0.00	n/a
2022	64	56	0.00	n/a
2021	67	58	0.03	n/a
2020	89	62	0.00	n/a
2019	64	56	0.03	n/a
2018	60	51	0.00	n/a
2017	85	63	0.00	0.0
2016	71	54	0.00	n/a
2015	68	56	0.00	n/a
2014	70	60	0.00	n/a
2013	75	55	0.00	0.0
2012	66	51	0.00	0.0
2011	76	57	0.00	n/a
2010	93	57	0.00	0.0
2009	81	58	0.00	n/a
2008	77	52	0.00	n/a
2007	69	56	0.00	0.0
2006	62	54	0.00	n/a
2005	65	56	0.00	n/a
2004	65	53	0.00	n/a
2003	66	55	0.00	n/a
2002	66	53	0.00	n/a
2001	65	55	0.00	0.0
2000	64	58	0.00	n/a
1999	89	58	0.00	0.0
1998	61	51	0.05	n/a
1997	77	58	0.00	n/a
1996	66	53	0.00	n/a
1995	69	59	0.00	n/a
1994	65	57	0.00	n/a
1993	90	56	0.00	n/a
1992	85	56	0.00	n/a
1991	64	57	0.00	n/a
1990	74	58	0.00	n/a
1989	71	57	0.00	n/a
1988	82	55	0.00	n/a
1987	82	53	0.00	n/a
1986	71	56	0.00	n/a
1985	67	60	0.00	n/a
1984	92	62	0.00	n/a
1983	69	56	0.00	n/a
1982	68	56	0.00	n/a
1981	68	58	0.00	n/a
1980	61	56	0.00	n/a
1979	64	55	0.00	n/a
1978	67	55	0.00	n/a
1977	71	59	0.00	n/a
1976	68	62	0.03	n/a
1975	60	52	0.00	n/a
1974	69	55	0.00	n/a
1973	90	65	0.00	n/a
1972	68	56	0.02	0.0
1971	65	55	0.00	0.0
1970	89	64	0.00	0.0
1969	63	57	0.00	0.0
1968	67	51	0.00	0.0
1967	61	57	0.00	0.0
1966	87	60	0.00	0.0
1965	62	57	0.00	0.0
1964	61	55	0.00	0.0
1963	72	57	0.00	0.0
1962	64	54	0.00	0.0
1961	80	58	0.00	0.0
1960	61	53	0.00	0.0
1959	75	58	0.00	0.0
1958	91	67	0.00	0.0
1957	72	63	1.24	0.0
1956	69	55	0.00	0.0
1955	55	48	0.00	0.0
1954	59	52	0.00	0.0
1953	63	57	0.00	0.0
1952	58	50	0.00	0.0
1951	64	53	0.02	0.0
1950	78	60	0.00	0.0
1949	70	56	0.00	0.0
1948	73	54	0.00	0.0
1947	63	52	0.00	0.0
1946	79	54	0.00	0.0
1945	84	70	0.00	0.0
1944	60	52	0.00	0.0
1943	68	58	0.00	0.0
1942	64	55	0.00	0.0
1941	75	58	0.00	0.0
1940	70	59	0.00	0.0
1939	68	58	0.00	0.0
1938	68	58	0.15	0.0
1937	61	53	0.00	0.0
1936	64	54	0.00	0.0
1935	60	53	0.00	0.0
1934	80	56	0.00	0.0
1933	77	56	0.00	0.0
1932	67	55	0.00	0.0
1931	62	54	0.00	0.0
1930	68	57	0.00	0.0
1929	64	53	0.00	0.0
1928	67	58	0.00	0.0
1927	67	54	0.00	0.0
1926	71	48	0.00	0.0
1925	68	58	0.00	0.0
1924	81	57	0.00	0.0
1923	73	56	0.00	0.0
1922	69	56	0.00	0.0
1921	92	65	0.00	0.0

What's the all-time high for San Francisco on 9/27?

For the date of Sep 27, the highest temperature ever reached in San Francisco history is 93 °F which happened in 2010.

Highest Temperatures in San Francisco on September 27

Rank	Temperature	Year
1	93 °F	2010
2	92 °F	1984
2	92 °F	1921
4	91 °F	1958
5	90 °F	1973
5	90 °F	1993
7	89 °F	1970
7	89 °F	1999
7	89 °F	2020
10	87 °F	1966

What's the all-time low for San Francisco on 9/27?

For the date of Sep 27, the lowest temperature ever reached in San Francisco history is 48 °F which has happened 2 times, most recently in 1955.

Lowest Temperatures in San Francisco on September 27

Rank	Temperature	Year
1	48 °F	1955
1	48 °F	1926
3	50 °F	1952
4	51 °F	1998
4	51 °F	2012
4	51 °F	2018
4	51 °F	1968
8	52 °F	2008
8	52 °F	1944
8	52 °F	1975
8	52 °F	1954
8	52 °F	1947

Lowest High Temperatures in San Francisco on September 27

Rank	Temperature	Year
1	55 °F	1955
2	58 °F	1952
3	59 °F	1954
4	60 °F	1944
4	60 °F	1975
4	60 °F	1935
4	60 °F	2018
8	61 °F	1980
8	61 °F	1960
8	61 °F	1967
8	61 °F	1937
8	61 °F	1964
8	61 °F	1998

What's the most it has ever rained in San Francisco on 9/27?

For the date of Sep 27, the most precipitation ever recorded in San Francisco history is 1.24 inches which happened in 1957.

All-Time Most Precipitation in San Francisco on September 27

Rank	Precipitation	Year
1	1.24 inches	1957
2	0.15 inches	1938
3	0.05 inches	1998
4	0.03 inches	1976
4	0.03 inches	2019
4	0.03 inches	2021
7	0.02 inches	1972
7	0.02 inches	1951

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location