Weather on September 5
San Francisco, CA
55 Years of Data
Avg High
71°F
Avg Low
56°F
Warmest
2004
79°F avg
Coldest
1976
57°F avg
About This Date
September 5th 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 5th was in 2004 (79°F average), while the coldest was 1976 (57°F) — a 22°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in San Francisco, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 59° | 63° | — | — |
| 2024 | 71° | 54° | 62° | — | — |
| 2023 | 70° | 57° | 63° | — | — |
| 2022 | 91° | 61° | 76° | — | — |
| 2021 | 68° | 52° | 60° | — | — |
| 2020 | 89° | 58° | 73° | — | — |
| 2019 | 67° | 57° | 62° | — | — |
| 2018 | 62° | 56° | 59° | — | — |
| 2017 | 77° | 64° | 71° | — | — |
| 2016 | 70° | 54° | 62° | — | — |
| 2015 | 74° | 55° | 64° | — | — |
| 2014 | 68° | 59° | 64° | — | — |
| 2013 | 70° | 58° | 64° | — | — |
| 2012 | 62° | 53° | 58° | — | — |
| 2011 | 61° | 53° | 57° | — | — |
| 2010 | 70° | 53° | 61° | — | — |
| 2009 | 70° | 55° | 62° | — | — |
| 2008 | 89° | 61° | 75° | — | — |
| 2007 | 84° | 59° | 72° | — | — |
| 2006 | 64° | 52° | 58° | — | — |
| 2005 | 61° | 54° | 57° | — | — |
| 2004warmest | 96° | 62° | 79° | — | — |
| 2003 | 68° | 56° | 62° | — | — |
| 2002 | 65° | 54° | 59° | — | — |
| 2001 | 66° | 53° | 60° | — | — |
| 2000 | 72° | 53° | 62° | — | — |
| 1999 | 70° | 50° | 60° | — | — |
| 1998 | 75° | 59° | 67° | — | — |
| 1997 | 74° | 60° | 67° | — | — |
| 1996 | 77° | 53° | 65° | — | — |
| 1995 | 84° | 55° | 70° | — | — |
| 1994 | 74° | 55° | 64° | — | — |
| 1993 | 65° | 56° | 60° | — | — |
| 1992 | 82° | 57° | 70° | — | — |
| 1991 | 68° | 56° | 62° | — | — |
| 1990 | 75° | 56° | 65° | — | — |
| 1989 | 66° | 53° | 60° | — | — |
| 1988 | 74° | 54° | 64° | — | — |
| 1987 | 72° | 57° | 64° | — | — |
| 1986 | 67° | 57° | 62° | — | — |
| 1985 | 70° | 60° | 65° | — | — |
| 1984 | 69° | 56° | 62° | — | — |
| 1983 | 74° | 61° | 67° | — | — |
| 1982 | 77° | 56° | 66° | — | — |
| 1981 | 71° | 52° | 61° | — | — |
| 1980 | 61° | 54° | 57° | — | — |
| 1979 | 74° | 60° | 67° | — | — |
| 1978 | 69° | 58° | 63° | — | — |
| 1977 | 70° | 56° | 63° | — | — |
| 1976coldest | 60° | 54° | 57° | — | — |
| 1975 | 63° | 54° | 58° | — | — |
| 1974 | 82° | 55° | 69° | — | — |
| 1973 | 63° | 56° | 59° | — | — |
| 1972 | 65° | 56° | 60° | — | — |
| 1971 | 66° | 56° | 61° | — | — |
55 years of data from SAN FRANCISCO DWTN