Weather on September 8
San Francisco, CA
55 Years of Data
Avg High
71°F
Avg Low
56°F
Warmest
1984
82°F avg
Coldest
1975
55°F avg
About This Date
September 8th in San Francisco, CA typically brings pleasant fall weather, with average highs around 71°F and lows near 56°F. Over 55 years of records, the warmest September 8th was in 1984 (82°F average), while the coldest was 1975 (55°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 7% of September 8th dates historically. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for September 8th in San Francisco, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 60° | 67° | 0.08" | — |
| 2024 | 70° | 53° | 61° | — | — |
| 2023 | 71° | 55° | 63° | — | — |
| 2022 | 87° | 62° | 75° | — | — |
| 2021 | 70° | 59° | 64° | — | — |
| 2020 | 71° | 57° | 64° | — | — |
| 2019 | 68° | 56° | 62° | — | — |
| 2018 | 69° | 56° | 62° | — | — |
| 2017 | 68° | 59° | 64° | — | — |
| 2016 | 66° | 56° | 61° | — | — |
| 2015 | 95° | 65° | 80° | — | — |
| 2014 | 64° | 57° | 61° | — | — |
| 2013 | 68° | 55° | 62° | — | — |
| 2012 | 62° | 54° | 58° | — | — |
| 2011 | 61° | 52° | 56° | — | — |
| 2010 | 62° | 54° | 58° | 0.05" | — |
| 2009 | 66° | 55° | 61° | — | — |
| 2008 | 64° | 54° | 59° | — | — |
| 2007 | 64° | 57° | 61° | — | — |
| 2006 | 59° | 53° | 56° | — | — |
| 2005 | 60° | 55° | 58° | — | — |
| 2004 | 84° | 60° | 72° | — | — |
| 2003 | 70° | 55° | 62° | — | — |
| 2002 | 69° | 51° | 60° | — | — |
| 2001 | 68° | 53° | 61° | — | — |
| 2000 | 68° | 55° | 62° | — | — |
| 1999 | 63° | 54° | 58° | 0.18" | — |
| 1998 | 64° | 56° | 60° | — | — |
| 1997 | 71° | 58° | 64° | — | — |
| 1996 | 84° | 56° | 70° | — | — |
| 1995 | 70° | 57° | 63° | — | — |
| 1994 | 71° | 57° | 64° | — | — |
| 1993 | 80° | 56° | 68° | — | — |
| 1992 | 80° | 55° | 68° | — | — |
| 1991 | 67° | 56° | 61° | — | — |
| 1990 | 73° | 57° | 65° | — | — |
| 1989 | 67° | 55° | 61° | — | — |
| 1988 | 66° | 53° | 60° | — | — |
| 1987 | 86° | 57° | 72° | — | — |
| 1986 | 65° | 57° | 61° | — | — |
| 1985 | 68° | 57° | 63° | 0.3" | — |
| 1984warmest | 100° | 64° | 82° | — | — |
| 1983 | 71° | 58° | 64° | — | — |
| 1982 | 62° | 52° | 57° | — | — |
| 1981 | 62° | 52° | 57° | — | — |
| 1980 | 62° | 54° | 58° | — | — |
| 1979 | 71° | 62° | 67° | — | — |
| 1978 | 70° | 56° | 63° | — | — |
| 1977 | 66° | 53° | 60° | — | — |
| 1976 | 93° | 65° | 79° | — | — |
| 1975coldest | 58° | 53° | 55° | — | — |
| 1974 | 67° | 54° | 60° | — | — |
| 1973 | 83° | 58° | 70° | — | — |
| 1972 | 62° | 56° | 59° | — | — |
| 1971 | 81° | 54° | 67° | — | — |
55 years of data from SAN FRANCISCO DWTN