Weather on September 6
San Francisco, CA
55 Years of Data
Avg High
72°F
Avg Low
57°F
Warmest
2020
86°F avg
Coldest
1975
56°F avg
About This Date
September 6th in San Francisco, CA typically brings pleasant fall weather, with average highs around 72°F and lows near 57°F. Over 55 years of records, the warmest September 6th was in 2020 (86°F average), while the coldest was 1975 (56°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 6th dates historically. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for September 6th in San Francisco, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 61° | 65° | — | — |
| 2024 | 70° | 55° | 62° | — | — |
| 2023 | 69° | 57° | 63° | — | — |
| 2022 | 98° | 64° | 81° | — | — |
| 2021 | 77° | 54° | 65° | — | — |
| 2020warmest | 100° | 71° | 86° | — | — |
| 2019 | 64° | 57° | 61° | — | — |
| 2018 | 61° | 55° | 58° | — | — |
| 2017 | 73° | 62° | 68° | — | — |
| 2016 | 76° | 54° | 65° | — | — |
| 2015 | 81° | 59° | 70° | — | — |
| 2014 | 67° | 59° | 63° | — | — |
| 2013 | 81° | 57° | 69° | — | — |
| 2012 | 63° | 54° | 58° | — | — |
| 2011 | 70° | 51° | 60° | — | — |
| 2010 | 84° | 55° | 70° | — | — |
| 2009 | 66° | 56° | 61° | — | — |
| 2008 | 84° | 60° | 72° | — | — |
| 2007 | 68° | 59° | 64° | — | — |
| 2006 | 61° | 51° | 56° | — | — |
| 2005 | 69° | 55° | 62° | — | — |
| 2004 | 87° | 64° | 76° | — | — |
| 2003 | 69° | 57° | 63° | — | — |
| 2002 | 60° | 52° | 56° | — | — |
| 2001 | 73° | 50° | 62° | — | — |
| 2000 | 80° | 57° | 69° | — | — |
| 1999 | 68° | 53° | 61° | — | — |
| 1998 | 79° | 62° | 70° | — | — |
| 1997 | 72° | 59° | 65° | — | — |
| 1996 | 82° | 56° | 69° | — | — |
| 1995 | 91° | 59° | 75° | — | — |
| 1994 | 71° | 54° | 62° | — | — |
| 1993 | 62° | 56° | 59° | — | — |
| 1992 | 78° | 55° | 67° | — | — |
| 1991 | 70° | 58° | 64° | — | — |
| 1990 | 72° | 57° | 64° | — | — |
| 1989 | 60° | 54° | 57° | — | — |
| 1988 | 65° | 53° | 59° | — | — |
| 1987 | 70° | 60° | 65° | — | — |
| 1986 | 62° | 57° | 60° | — | — |
| 1985 | 64° | 61° | 62° | 0.05" | — |
| 1984 | 80° | 56° | 68° | — | — |
| 1983 | 71° | 60° | 66° | — | — |
| 1982 | 68° | 54° | 61° | — | — |
| 1981 | 64° | 52° | 58° | — | — |
| 1980 | 59° | 54° | 56° | — | — |
| 1979 | 81° | 61° | 71° | — | — |
| 1978 | 66° | 57° | 62° | — | — |
| 1977 | 73° | 55° | 64° | — | — |
| 1976 | 61° | 55° | 58° | — | — |
| 1975coldest | 60° | 52° | 56° | — | — |
| 1974 | 73° | 55° | 64° | — | — |
| 1973 | 70° | 54° | 62° | — | — |
| 1972 | 66° | 57° | 62° | — | — |
| 1971 | 64° | 56° | 60° | — | — |
55 years of data from SAN FRANCISCO DWTN