Weather on September 8
Vallejo, CA
55 Years of Data
Avg High
86°F
Avg Low
55°F
Warmest
2022
87°F avg
Coldest
2006
60°F avg
About This Date
September 8th in Vallejo, CA typically brings warm fall weather, with average highs around 86°F and lows near 55°F — a 31°F daily swing. Over 55 years of records, the warmest September 8th was in 2022 (87°F average), while the coldest was 2006 (60°F) — a 27°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.
Planning for September 8th in Vallejo, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 59° | 70° | — | — |
| 2024 | 95° | 53° | 74° | — | — |
| 2023 | 88° | 56° | 72° | — | — |
| 2022warmest | 107° | 67° | 87° | — | — |
| 2021 | 95° | 62° | 79° | — | — |
| 2020 | 102° | 63° | 82° | — | — |
| 2019 | 84° | 57° | 71° | — | — |
| 2018 | 90° | 56° | 73° | — | — |
| 2017 | 87° | 60° | 74° | — | — |
| 2016 | 98° | 57° | 78° | — | — |
| 2015 | 105° | 64° | 85° | — | — |
| 2014 | 74° | 53° | 63° | — | — |
| 2013 | 86° | 50° | 68° | — | — |
| 2012 | 76° | 50° | 63° | — | — |
| 2011 | 77° | 47° | 62° | — | — |
| 2010 | 73° | 48° | 61° | — | — |
| 2009 | 78° | 45° | 61° | — | — |
| 2008 | 73° | 53° | 63° | — | — |
| 2007 | 78° | 51° | 65° | — | — |
| 2006coldest | 66° | 53° | 60° | — | — |
| 2005 | 69° | 55° | 62° | — | — |
| 2004 | 99° | 56° | 77° | — | — |
| 2003 | 81° | 53° | 67° | — | — |
| 2002 | 83° | 43° | 63° | — | — |
| 2001 | 79° | 53° | 66° | — | — |
| 2000 | 89° | 55° | 72° | — | — |
| 1999 | 77° | 56° | 66° | — | — |
| 1998 | 92° | 58° | 75° | — | — |
| 1997 | 91° | 61° | 76° | — | — |
| 1996 | 95° | 55° | 75° | — | — |
| 1995 | 86° | 56° | 71° | — | — |
| 1994 | 82° | 53° | 68° | — | — |
| 1993 | 96° | 54° | 75° | — | — |
| 1992 | 91° | 53° | 72° | — | — |
| 1991 | 85° | 50° | 67° | — | — |
| 1990 | 90° | 54° | 72° | — | — |
| 1989 | 81° | 56° | 68° | — | — |
| 1988 | 78° | 55° | 67° | — | — |
| 1987 | 93° | 46° | 70° | — | — |
| 1986 | 76° | 55° | 65° | — | — |
| 1985 | 73° | 50° | 62° | — | — |
| 1984 | 103° | 70° | 86° | — | — |
| 1983 | 83° | 54° | 68° | — | — |
| 1982 | 95° | 57° | 76° | — | — |
| 1981 | 89° | 56° | 72° | — | — |
| 1980 | 83° | 54° | 68° | — | — |
| 1979 | 87° | 70° | 78° | — | — |
| 1978 | 85° | 51° | 68° | — | — |
| 1977 | 96° | 52° | 74° | — | — |
| 1976 | 88° | 58° | 73° | — | — |
| 1975 | 88° | 54° | 71° | — | — |
| 1974 | 89° | 55° | 72° | — | — |
| 1973 | 82° | 57° | 70° | — | — |
| 1972 | 82° | 58° | 70° | — | — |
| 1971 | 91° | 55° | 73° | — | — |
55 years of data from VALLEJO