San Francisco Airport, CA: Fall

9 October 2026: Fall 2026 so far averaged 66.3°F in San Francisco Airport, CA, the warmest 1 September to 9 October since 2025, 15th warmest of 82.

Fall 2026 so far, to 9 October 2026

Mean temperature: 66.3°F; Warmest since 2025; 15th warmest of 82
Precipitation: 0.01 in; Driest since 2024; 18th driest of 82

A normal 1 September to 9 October in San Francisco Airport, CA (1991 to 2020): a mean temperature of 64.8°F, between 62.6°F and 67.9°F in eight years of ten and 0.08 in of precipitation, between 0.00 in and 0.45 in in eight years of ten.

The mean temperature of every 1 September to 9 October in San Francisco Airport, CA since 1945: 66.3°F in 2026; the highest is 69.2°F, in 2014.

Normal range, 62.6 to 67.9°F

Every year, ranked, as a table

Every 1 September to 9 October in San Francisco Airport, CA from 1945 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	66.3	15	74.6	24	58.1	9	0.01	61	0
2025	67.1	9	74.2	25	59.9	2	0.20	30	0
2024	65.4	22	74.9	22	55.7	27	0.00	80	1
2023	67.1	9	75.1	19	59.1	3	0.03	55	0
2022	66.9	11	75.3	15	58.4	7	0.27	23	0
2021	64.8	28	73.4	38	56.3	21	0.00	80	0
2020	68	5	77.7	5	58.3	8	0.00	80	0
2019	67.3	8	76.9	8	57.7	10	0.06	46	0
2018	63	56	71.2	68	54.8	39	0.16	33	0
2017	68.8	2	78.6	3	59	4	0.22	28	0
2016	64.7	30	73.6	33	55.7	27	trace	66	0
2015	66.8	13	76.1	11	57.6	11	0.02	58	0
2014	69.2	1	77.6	6	60.9	1	0.42	19	0
2013	65.3	23	73.9	31	56.8	15	0.23	27	0
2012	62	70	70.2	77	53.9	55	0.01	61	0
2011	63.9	39	72.4	52	55.4	35	1.13	5	0
2010	67.9	6	77	7	58.8	5	0.01	61	0
2009	64.8	28	74.1	28	55.5	31	0.27	23	0
2008	64.9	27	74	30	55.9	26	0.15	34	0
2007	63.3	50	71.4	61	55.2	37	0.58	13	0
2006	61.8	73	70	79	53.7	59	0.33	21	0
2005	62.1	69	70.4	76	53.9	55	0.08	43	0
2004	65.9	17	75	21	56.8	15	0.04	52	0
2003	65.6	20	74.1	28	57.1	13	trace	66	0
2002	65.3	23	75.2	17	55.5	31	trace	66	0
2001	62.7	61	70.1	78	55.3	36	0.11	37	0
2000	65	25	73.6	33	56.4	19	0.08	43	0
1999	63.6	45	72.5	50	54.6	42	0.29	22	0
1998	63.8	40	71.5	60	56	25	0.09	42	0
1997	66.9	11	75.2	17	58.7	6	0.63	11	0
1996	64	37	73.7	32	54.3	48	trace	66	0
1995	63.7	42	73	42	54.4	43	trace	66	0
1994	64.1	35	72.7	47	55.5	31	0.43	18	0
1993	62.6	62	71.1	70	54.1	53	trace	66	0
1992	65.9	17	76.4	9	55.5	31	0.01	61	0
1991	63.2	53	72	57	54.4	43	0.04	52	0
1990	66.2	16	75.7	13	56.8	15	0.20	30	0
1989	61.7	74	70.8	73	52.6	72	1.24	4	0
1988	62.9	59	72.9	44	52.8	68	0.03	55	0
1987	64.7	30	73.6	33	55.7	27	trace	66	0
1986	63.3	50	72.4	52	54.2	51	0.47	15	0
1985	63.7	42	72.6	49	54.8	39	0.18	32	0
1984	68.4	4	80.6	1	56.2	22	0.05	48	0
1983	67.6	7	77.9	4	57.2	12	0.57	14	0
1982	63.4	48	73.1	40	53.7	59	0.96	6	0
1981	62.2	68	70.9	72	53.4	64	0.63	11	0
1980	64.1	35	74.2	25	53.9	55	trace	66	0
1979	66.5	14	76.3	10	56.7	18	trace	66	0
1978	64.7	30	75.1	19	54.4	43	0.26	25	0
1977	63	56	71.3	64	54.7	41	0.47	15	0
1976	63.6	45	71.4	61	55.7	27	0.64	10	0
1975	61.2	78	69.7	80	52.7	71	0.90	7	0
1974	62.4	67	71.3	64	53.5	63	0.05	48	0
1973	62.5	64	71.1	70	54	54	0.73	9	0
1972	63	56	71.6	59	54.4	43	1.30	3	0
1971	65	25	75.6	14	54.4	43	0.11	37	0
1970	64.4	34	75.9	12	52.8	68	trace	66	0
1969	63.7	42	73.1	40	54.3	48	0.06	46	0
1968	62.9	59	72.2	54	53.7	59	trace	66	0
1967	65.6	20	74.8	23	56.4	19	0.47	15	0
1966	63.5	47	72.7	47	54.3	48	0.08	43	0
1965	61.5	76	70.8	73	52.3	76	trace	66	0
1964	63.1	55	72.9	44	53.3	65	trace	66	0
1963	65.8	19	75.3	15	56.2	22	0.13	35	0
1962	61	79	69.5	81	52.4	75	0.10	40	0
1961	63.4	48	74.2	25	52.6	72	0.41	20	0
1960	62.5	64	71.8	58	53.1	66	0.22	28	0
1959	64	37	73	42	55	38	2.30	1	0
1958	68.5	3	80	2	56.9	14	0.05	48	0
1957	64.7	30	73.4	38	56.1	24	1.46	2	0
1956	63.3	50	72.9	44	53.6	62	0.26	25	0
1955	60.6	81	71.2	68	50	82	trace	66	0
1954	61	79	71.3	64	50.6	81	0.02	58	0
1953	63.8	40	73.5	37	54.2	51	0.01	61	0
1952	62.6	62	72.5	50	52.6	72	0.02	58	0
1951	62.5	64	71.3	64	53.8	58	0.05	48	0
1950	63.2	53	73.6	33	52.8	68	0.11	37	0
1949	61.7	74	70.5	75	53	67	0.04	52	0
1948	60.3	82	69.4	82	51.2	80	0.13	35	0
1947	61.5	76	71.4	61	51.5	79	0.77	8	2
1946	61.9	72	72.1	56	51.8	77	0.10	40	2
1945	62	70	72.2	54	51.8	77	0.03	55	1

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2014	69.2
2017	68.8
1958	68.5
1984	68.4
2020	68
2010	67.9
1983	67.6
2019	67.3
2025	67.1
2023	67.1

Coldest
Year	Mean, °F
1948	60.3
1955	60.6
1962	61
1954	61
1975	61.2
1965	61.5
1947	61.5
1989	61.7
1949	61.7
2006	61.8

Wettest
Year	Precipitation, in
1959	2.30
1957	1.46
1972	1.30
1989	1.24
2011	1.13
1982	0.96
1975	0.90
1947	0.77
1973	0.73
1976	0.64

Driest
Year	Precipitation, in
2024	0.00
2021	0.00
2020	0.00
2016	trace
2003	trace
2002	trace
1996	trace
1995	trace
1993	trace
1987	trace
More years share the last value

The hottest, coldest and wettest days

Hottest day: 94°F; 9 September 2026
Coldest night: 54°F; 1 October 2026
Wettest day: 0.01 in; 3 September 2026

Every month, season and year

Months

Seasons

Years

San Francisco Airport, CA the day's answers

All-time records

Every answer in words

Fall 2026 so far brought 0.01 in of precipitation in San Francisco Airport, CA, the driest 1 September to 9 October since 2024, tied 18th driest of 82 (with 2012, 2010, 1992 and 1 other year).
The hottest day of fall 2026 so far in San Francisco Airport, CA: 94°F on Wednesday 9 September 2026.
The coldest night of fall 2026 so far in San Francisco Airport, CA: a low of 54°F on Thursday 1 October 2026.
The wettest day of fall 2026 so far in San Francisco Airport, CA: 0.01 in on Thursday 3 September 2026.