San Francisco September 1 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	64	57	0.02	n/a
2022	66	54	0.00	n/a
2021	64	56	0.00	n/a
2020	65	56	0.00	n/a
2019	70	60	0.00	n/a
2018	64	55	0.00	n/a
2017	106	69	0.00	0.0
2016	61	55	0.00	n/a
2015	70	61	0.00	n/a
2014	74	59	0.00	n/a
2013	67	56	0.00	0.0
2012	63	53	0.00	0.0
2011	71	54	0.00	0.0
2010	84	56	0.00	0.0
2009	68	57	0.00	n/a
2008	78	56	0.00	n/a
2007	78	58	0.00	0.0
2006	64	54	0.00	n/a
2005	66	56	0.00	n/a
2004	66	60	0.00	n/a
2003	69	53	0.00	n/a
2002	83	51	0.00	n/a
2001	66	54	0.00	0.0
2000	62	59	0.14	n/a
1999	70	52	0.00	0.0
1998	64	53	0.00	n/a
1997	73	59	0.00	n/a
1996	66	56	0.00	n/a
1995	67	54	0.00	n/a
1994	66	55	0.00	n/a
1993	78	60	0.00	n/a
1992	71	58	0.00	n/a
1991	74	57	0.00	n/a
1990	71	58	0.00	n/a
1989	71	55	0.00	n/a
1988	67	55	0.00	n/a
1987	70	59	0.00	n/a
1986	72	56	0.00	n/a
1985	70	60	0.00	n/a
1984	89	57	0.00	n/a
1983	76	55	0.00	n/a
1982	71	51	0.00	n/a
1981	63	51	0.00	n/a
1980	61	53	0.00	n/a
1979	73	60	0.00	n/a
1978	78	58	0.00	n/a
1977	63	54	0.00	n/a
1976	65	52	0.00	n/a
1975	69	53	0.00	n/a
1974	64	53	0.00	n/a
1973	68	53	0.00	n/a
1972	62	54	0.00	0.0
1971	70	60	0.00	0.0
1970	62	52	0.00	0.0
1969	65	52	0.00	0.0
1968	65	59	0.00	0.0
1967	71	56	0.00	0.0
1966	73	54	0.00	0.0
1965	66	57	0.00	0.0
1964	64	55	0.00	0.0
1963	69	57	0.00	0.0
1962	64	52	0.00	0.0
1961	67	58	0.00	0.0
1960	57	53	0.00	0.0
1959	69	54	0.00	0.0
1958	65	56	0.00	0.0
1957	73	51	0.00	0.0
1956	66	52	0.00	0.0
1955	88	55	0.00	0.0
1954	63	55	0.00	0.0
1953	65	55	0.00	0.0
1952	90	59	0.00	0.0
1951	58	53	0.00	0.0
1950	83	51	0.00	0.0
1949	61	52	0.00	0.0
1948	71	54	0.00	0.0
1947	84	55	0.00	0.0
1946	64	54	0.00	0.0
1945	59	51	0.00	0.0
1944	72	56	0.00	0.0
1943	62	54	0.00	0.0
1942	62	55	0.00	0.0
1941	68	61	0.00	0.0
1940	65	56	0.00	0.0
1939	71	55	0.00	0.0
1938	62	53	0.00	0.0
1937	62	54	0.00	0.0
1936	65	54	0.00	0.0
1935	61	51	0.00	0.0
1934	66	52	0.00	0.0
1933	62	52	0.00	0.0
1932	88	61	0.00	0.0
1931	65	52	0.00	0.0
1930	69	55	0.00	0.0
1929	74	57	0.00	0.0
1928	62	51	0.00	0.0
1927	69	55	0.00	0.0
1926	85	60	0.00	0.0
1925	67	57	0.00	0.0
1924	69	57	0.00	0.0
1923	72	55	0.00	0.0
1922	76	58	0.00	0.0
1921	67	55	0.00	0.0

What's the all-time high for San Francisco on 9/1?

For the date of Sep 1, the highest temperature ever reached in San Francisco history is 106 °F which happened in 2017.

Highest Temperatures in San Francisco on September 1

Rank	Temperature	Year
1	106 °F	2017
2	90 °F	1952
3	89 °F	1984
4	88 °F	1955
4	88 °F	1932
6	85 °F	1926
7	84 °F	2010
7	84 °F	1947
9	83 °F	2002
9	83 °F	1950

What's the all-time low for San Francisco on 9/1?

For the date of Sep 1, the lowest temperature ever reached in San Francisco history is 51 °F which has happened 8 times, most recently in 2002.

Lowest Temperatures in San Francisco on September 1

Rank	Temperature	Year
1	51 °F	1982
1	51 °F	1981
1	51 °F	1950
1	51 °F	1935
1	51 °F	1945
1	51 °F	2002
1	51 °F	1928
1	51 °F	1957
9	52 °F	1999
9	52 °F	1970
9	52 °F	1934
9	52 °F	1969
9	52 °F	1949
9	52 °F	1956
9	52 °F	1931
9	52 °F	1962
9	52 °F	1976
9	52 °F	1933

Lowest High Temperatures in San Francisco on September 1

Rank	Temperature	Year
1	57 °F	1960
2	58 °F	1951
3	59 °F	1945
4	61 °F	1949
4	61 °F	2016
4	61 °F	1980
4	61 °F	1935
8	62 °F	1928
8	62 °F	1933
8	62 °F	1970
8	62 °F	1938
8	62 °F	1937
8	62 °F	2000
8	62 °F	1942
8	62 °F	1943
8	62 °F	1972

What's the most it has ever rained in San Francisco on 9/1?

For the date of Sep 1, the most precipitation ever recorded in San Francisco history is 0.14 inches which happened in 2000.

All-Time Most Precipitation in San Francisco on September 1

Rank	Precipitation	Year
1	0.14 inches	2000
2	0.02 inches	2023

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location