Weather on September 5
Vallejo, CA
55 Years of Data
Avg High
87°F
Avg Low
55°F
Warmest
2022
89°F avg
Coldest
2012
61°F avg
About This Date
September 5th in Vallejo, CA typically brings warm fall weather, with average highs around 87°F and lows near 55°F — a 32°F daily swing. Over 55 years of records, the warmest September 5th was in 2022 (89°F average), while the coldest was 2012 (61°F) — a 28°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in Vallejo, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 59° | 69° | — | — |
| 2024 | 96° | 56° | 76° | — | — |
| 2023 | 83° | 56° | 69° | — | — |
| 2022warmest | 112° | 67° | 89° | — | — |
| 2021 | 96° | 53° | 75° | — | — |
| 2020 | 104° | 60° | 82° | — | — |
| 2019 | 81° | 58° | 69° | — | — |
| 2018 | 80° | 55° | 68° | — | — |
| 2017 | 89° | 68° | 79° | — | — |
| 2016 | 86° | 53° | 70° | — | — |
| 2015 | 89° | 53° | 71° | — | — |
| 2014 | 76° | 56° | 66° | — | — |
| 2013 | 84° | 52° | 68° | — | — |
| 2012coldest | 73° | 49° | 61° | — | — |
| 2011 | 77° | 48° | 63° | — | — |
| 2010 | 81° | 44° | 62° | — | — |
| 2009 | 82° | 48° | 65° | — | — |
| 2008 | 99° | 54° | 76° | — | — |
| 2007 | 93° | 49° | 71° | — | — |
| 2006 | 83° | 48° | 65° | — | — |
| 2005 | 80° | 44° | 62° | — | — |
| 2004 | 100° | 57° | 79° | — | — |
| 2003 | 78° | 54° | 66° | — | — |
| 2002 | — | 53° | — | — | — |
| 2001 | 84° | 51° | 68° | — | — |
| 2000 | 81° | 49° | 65° | — | — |
| 1999 | 88° | 48° | 68° | — | — |
| 1998 | 90° | 62° | 76° | — | — |
| 1997 | 94° | 61° | 77° | — | — |
| 1996 | 85° | 53° | 69° | — | — |
| 1995 | 96° | 55° | 76° | — | — |
| 1994 | 88° | 58° | 73° | — | — |
| 1993 | 79° | 53° | 66° | — | — |
| 1992 | 91° | 57° | 74° | — | — |
| 1991 | 89° | 53° | 71° | — | — |
| 1990 | 87° | 57° | 72° | — | — |
| 1989 | 86° | 53° | 70° | — | — |
| 1988 | 97° | 57° | 77° | — | — |
| 1987 | 78° | 49° | 63° | — | — |
| 1986 | 91° | 50° | 71° | — | — |
| 1985 | 78° | 55° | 67° | — | — |
| 1984 | 92° | 60° | 76° | — | — |
| 1983 | 96° | 59° | 78° | — | — |
| 1982 | 98° | 56° | 77° | — | — |
| 1981 | 95° | 54° | 74° | — | — |
| 1980 | 85° | 52° | 68° | — | — |
| 1979 | 93° | 57° | 75° | — | — |
| 1978 | 80° | 56° | 68° | — | — |
| 1977 | 98° | 61° | 79° | — | — |
| 1976 | 79° | 56° | 67° | — | — |
| 1975 | 87° | 58° | 72° | — | — |
| 1974 | 83° | 55° | 69° | — | — |
| 1973 | 70° | 54° | 62° | — | — |
| 1972 | 84° | 55° | 70° | — | — |
| 1971 | 93° | 56° | 74° | — | — |
55 years of data from VALLEJO