San Francisco September 23 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	66	55	0.00	n/a
2022	82	58	0.00	n/a
2021	72	53	0.00	n/a
2020	71	57	0.00	n/a
2019	77	56	0.00	n/a
2018	66	53	0.00	n/a
2017	74	55	0.00	0.0
2016	72	54	0.00	n/a
2015	69	56	0.00	n/a
2014	70	61	0.00	n/a
2013	76	57	0.00	n/a
2012	65	49	0.00	n/a
2011	72	54	0.00	0.0
2010	74	53	0.00	0.0
2009	64	55	0.00	n/a
2008	84	56	0.00	n/a
2007	64	55	0.00	0.0
2006	68	52	0.00	n/a
2005	61	51	0.00	n/a
2004	85	53	0.00	n/a
2003	68	59	0.00	n/a
2002	75	53	0.00	n/a
2001	64	53	0.00	0.0
2000	70	56	0.00	n/a
1999	68	54	0.00	0.0
1998	67	55	0.00	n/a
1997	97	58	0.00	n/a
1996	65	53	0.00	n/a
1995	70	59	0.00	n/a
1994	79	58	0.22	n/a
1993	71	51	0.00	n/a
1992	73	58	0.00	n/a
1991	78	53	0.00	n/a
1990	72	61	0.00	n/a
1989	62	55	0.00	n/a
1988	71	50	0.00	n/a
1987	60	54	0.00	n/a
1986	64	58	0.17	n/a
1985	70	57	0.00	n/a
1984	72	53	0.00	n/a
1983	72	60	0.00	n/a
1982	65	53	0.16	n/a
1981	65	54	0.00	n/a
1980	86	60	0.00	n/a
1979	74	57	0.00	n/a
1978	90	64	0.00	n/a
1977	68	56	0.00	n/a
1976	66	53	0.00	n/a
1975	78	54	0.00	n/a
1974	64	52	0.00	n/a
1973	65	57	0.08	n/a
1972	69	54	0.00	0.0
1971	65	56	0.00	0.0
1970	70	55	0.00	0.0
1969	68	56	0.00	0.0
1968	85	60	0.00	0.0
1967	66	57	0.00	0.0
1966	70	55	0.00	0.0
1965	63	54	0.00	0.0
1964	89	65	0.00	0.0
1963	72	58	0.00	0.0
1962	67	52	0.00	0.0
1961	66	56	0.00	0.0
1960	75	50	0.00	0.0
1959	65	54	0.00	0.0
1958	66	52	0.00	0.0
1957	68	58	0.00	0.0
1956	78	55	0.00	0.0
1955	63	51	0.00	0.0
1954	80	58	0.00	0.0
1953	71	56	0.00	0.0
1952	66	54	0.00	0.0
1951	60	52	0.00	0.0
1950	68	54	0.00	0.0
1949	60	52	0.00	0.0
1948	64	54	0.00	0.0
1947	63	56	0.00	0.0
1946	64	54	0.00	0.0
1945	68	54	0.00	0.0
1944	74	52	0.00	0.0
1943	73	60	0.00	0.0
1942	62	54	0.00	0.0
1941	68	55	0.00	0.0
1940	68	60	0.00	0.0
1939	96	64	0.00	0.0
1938	70	57	0.00	0.0
1937	72	53	0.00	0.0
1936	78	53	0.00	0.0
1935	65	53	0.00	0.0
1934	63	55	0.13	0.0
1933	70	55	0.00	0.0
1932	71	54	0.00	0.0
1931	76	55	0.00	0.0
1930	65	56	0.01	0.0
1929	68	52	0.00	0.0
1928	60	52	0.00	0.0
1927	67	53	0.00	0.0
1926	79	56	0.00	0.0
1925	66	55	0.00	0.0
1924	66	54	0.00	0.0
1923	66	56	0.00	0.0
1922	70	54	0.00	0.0
1921	67	57	0.00	0.0

What's the all-time high for San Francisco on 9/23?

For the date of Sep 23, the highest temperature ever reached in San Francisco history is 97 °F which happened in 1997.

Highest Temperatures in San Francisco on September 23

Rank	Temperature	Year
1	97 °F	1997
2	96 °F	1939
3	90 °F	1978
4	89 °F	1964
5	86 °F	1980
6	85 °F	1968
6	85 °F	2004
8	84 °F	2008
9	82 °F	2022
10	80 °F	1954

What's the all-time low for San Francisco on 9/23?

For the date of Sep 23, the lowest temperature ever reached in San Francisco history is 49 °F which happened in 2012.

Lowest Temperatures in San Francisco on September 23

Rank	Temperature	Year
1	49 °F	2012
2	50 °F	1988
2	50 °F	1960
4	51 °F	1993
4	51 °F	2005
4	51 °F	1955
7	52 °F	1929
7	52 °F	2006
7	52 °F	1958
7	52 °F	1928
7	52 °F	1974
7	52 °F	1951
7	52 °F	1962
7	52 °F	1949
7	52 °F	1944

Lowest High Temperatures in San Francisco on September 23

Rank	Temperature	Year
1	60 °F	1951
1	60 °F	1928
1	60 °F	1987
1	60 °F	1949
5	61 °F	2005
6	62 °F	1942
6	62 °F	1989
8	63 °F	1965
8	63 °F	1934
8	63 °F	1947
8	63 °F	1955

What's the most it has ever rained in San Francisco on 9/23?

For the date of Sep 23, the most precipitation ever recorded in San Francisco history is 0.22 inches which happened in 1994.

All-Time Most Precipitation in San Francisco on September 23

Rank	Precipitation	Year
1	0.22 inches	1994
2	0.17 inches	1986
3	0.16 inches	1982
4	0.13 inches	1934
5	0.08 inches	1973
6	0.01 inches	1930

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location