San Francisco September 12 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	68	57	0.00	n/a
2022	66	59	0.00	n/a
2021	68	55	0.00	n/a
2020	72	54	0.00	n/a
2019	88	62	0.00	n/a
2018	63	54	0.00	n/a
2017	79	63	0.00	0.0
2016	60	55	0.00	n/a
2015	71	56	0.00	n/a
2014	68	56	0.00	n/a
2013	69	58	0.00	0.0
2012	63	54	0.00	0.0
2011	67	58	0.00	0.0
2010	62	52	0.00	0.0
2009	62	57	0.08	n/a
2008	60	54	0.00	n/a
2007	65	58	0.00	0.0
2006	80	53	0.00	n/a
2005	63	54	0.00	n/a
2004	66	56	0.00	n/a
2003	92	67	0.00	n/a
2002	63	51	0.00	n/a
2001	62	55	0.00	0.0
2000	78	51	0.00	n/a
1999	65	54	0.00	0.0
1998	76	57	0.00	n/a
1997	73	59	0.00	n/a
1996	72	58	0.00	n/a
1995	67	54	0.00	n/a
1994	69	56	0.00	n/a
1993	70	55	0.00	n/a
1992	76	57	0.00	n/a
1991	69	53	0.00	n/a
1990	78	56	0.00	n/a
1989	71	53	0.00	n/a
1988	75	53	0.00	n/a
1987	65	56	0.00	n/a
1986	65	57	0.00	n/a
1985	74	56	0.00	n/a
1984	78	55	0.00	n/a
1983	98	65	0.00	n/a
1982	78	56	0.00	n/a
1981	64	55	0.00	n/a
1980	59	54	0.00	n/a
1979	94	69	0.00	n/a
1978	78	59	0.00	n/a
1977	67	54	0.00	n/a
1976	66	57	0.00	n/a
1975	60	54	0.00	n/a
1974	65	55	0.00	n/a
1973	58	52	0.00	n/a
1972	67	54	0.00	0.0
1971	89	59	0.00	0.0
1970	61	49	0.00	0.0
1969	59	52	0.00	0.0
1968	63	57	0.00	0.0
1967	86	58	0.00	0.0
1966	66	54	0.00	0.0
1965	66	54	0.00	0.0
1964	60	51	0.00	0.0
1963	71	58	0.06	0.0
1962	63	53	0.00	0.0
1961	59	52	0.00	0.0
1960	65	54	0.00	0.0
1959	66	58	0.00	0.0
1958	70	60	0.00	0.0
1957	66	57	0.00	0.0
1956	67	56	0.00	0.0
1955	61	50	0.00	0.0
1954	71	55	0.00	0.0
1953	84	58	0.00	0.0
1952	68	53	0.00	0.0
1951	63	54	0.00	0.0
1950	60	54	0.00	0.0
1949	63	56	0.00	0.0
1948	65	50	0.00	0.0
1947	66	51	0.00	0.0
1946	77	54	0.00	0.0
1945	67	55	0.00	0.0
1944	61	51	0.00	0.0
1943	69	55	0.00	0.0
1942	69	54	0.00	0.0
1941	66	56	0.00	0.0
1940	75	63	0.00	0.0
1939	64	56	0.14	0.0
1938	64	53	0.00	0.0
1937	81	55	0.00	0.0
1936	61	54	0.00	0.0
1935	66	53	0.00	0.0
1934	70	52	0.00	0.0
1933	63	51	0.00	0.0
1932	67	54	0.00	0.0
1931	82	56	0.00	0.0
1930	66	56	0.00	0.0
1929	70	54	0.00	0.0
1928	71	53	0.00	0.0
1927	69	54	0.00	0.0
1926	66	54	0.00	0.0
1925	66	55	0.00	0.0
1924	64	53	0.00	0.0
1923	65	53	0.00	0.0
1922	70	56	0.00	0.0
1921	63	53	0.00	0.0

What's the all-time high for San Francisco on 9/12?

For the date of Sep 12, the highest temperature ever reached in San Francisco history is 98 °F which happened in 1983.

Highest Temperatures in San Francisco on September 12

Rank	Temperature	Year
1	98 °F	1983
2	94 °F	1979
3	92 °F	2003
4	89 °F	1971
5	88 °F	2019
6	86 °F	1967
7	84 °F	1953
8	82 °F	1931
9	81 °F	1937
10	80 °F	2006

What's the all-time low for San Francisco on 9/12?

For the date of Sep 12, the lowest temperature ever reached in San Francisco history is 49 °F which happened in 1970.

Lowest Temperatures in San Francisco on September 12

Rank	Temperature	Year
1	49 °F	1970
2	50 °F	1948
2	50 °F	1955
4	51 °F	2000
4	51 °F	1947
4	51 °F	1944
4	51 °F	1964
4	51 °F	1933
4	51 °F	2002
10	52 °F	2010
10	52 °F	1961
10	52 °F	1969
10	52 °F	1973
10	52 °F	1934

Lowest High Temperatures in San Francisco on September 12

Rank	Temperature	Year
1	58 °F	1973
2	59 °F	1961
2	59 °F	1980
2	59 °F	1969
5	60 °F	1975
5	60 °F	2008
5	60 °F	1950
5	60 °F	2016
5	60 °F	1964
10	61 °F	1970
10	61 °F	1936
10	61 °F	1944
10	61 °F	1955

What's the most it has ever rained in San Francisco on 9/12?

For the date of Sep 12, the most precipitation ever recorded in San Francisco history is 0.14 inches which happened in 1939.

All-Time Most Precipitation in San Francisco on September 12

Rank	Precipitation	Year
1	0.14 inches	1939
2	0.08 inches	2009
3	0.06 inches	1963

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location