Weather on September 2
Vallejo, CA
55 Years of Data
Avg High
86°F
Avg Low
55°F
Warmest
2017
95°F avg
Coldest
2005
61°F avg
About This Date
September 2nd 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 2nd was in 2017 (95°F average), while the coldest was 2005 (61°F) — a 34°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
Planning for September 2nd in Vallejo, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 62° | 80° | — | — |
| 2024 | 80° | 56° | 68° | — | — |
| 2023 | 78° | 60° | 69° | — | — |
| 2022 | 95° | 55° | 75° | — | — |
| 2021 | 77° | 54° | 65° | — | — |
| 2020 | 78° | 59° | 69° | — | — |
| 2019 | 89° | 62° | 76° | — | — |
| 2018 | 85° | 55° | 70° | — | — |
| 2017warmest | 113° | 77° | 95° | — | — |
| 2016 | 89° | 56° | 72° | — | — |
| 2015 | 80° | 58° | 69° | — | — |
| 2014 | 74° | 55° | 64° | — | — |
| 2013 | 83° | 61° | 72° | — | — |
| 2012 | 86° | 47° | 66° | — | — |
| 2011 | 86° | 48° | 67° | — | — |
| 2010 | 98° | 52° | 75° | — | — |
| 2009 | 96° | 54° | 75° | — | — |
| 2008 | 94° | 46° | 70° | — | — |
| 2007 | 94° | 50° | 72° | — | — |
| 2006 | 74° | 50° | 62° | — | — |
| 2005coldest | 71° | 52° | 61° | — | — |
| 2004 | 84° | 56° | 70° | — | — |
| 2003 | 83° | 54° | 68° | — | — |
| 2002 | 99° | 53° | 76° | — | — |
| 2001 | 81° | 47° | 64° | — | — |
| 2000 | 71° | 54° | 62° | — | — |
| 1999 | 79° | 55° | 67° | — | — |
| 1998 | 94° | 55° | 74° | — | — |
| 1997 | 89° | 58° | 73° | — | — |
| 1996 | 81° | 54° | 67° | — | — |
| 1995 | 86° | 53° | 70° | — | — |
| 1994 | 80° | 54° | 67° | — | — |
| 1993 | 95° | 60° | 78° | — | — |
| 1992 | 81° | 56° | 68° | — | — |
| 1991 | 101° | 52° | 76° | — | — |
| 1990 | 91° | 52° | 71° | — | — |
| 1989 | 89° | 49° | 69° | — | — |
| 1988 | 90° | 53° | 71° | — | — |
| 1987 | 98° | 52° | 75° | — | — |
| 1986 | 86° | 51° | 69° | — | — |
| 1985 | 79° | 55° | 67° | — | — |
| 1984 | 98° | 55° | 77° | — | — |
| 1983 | 90° | 61° | 75° | — | — |
| 1982 | 90° | 56° | 73° | — | — |
| 1981 | 86° | 53° | 70° | — | — |
| 1980 | 84° | 53° | 69° | — | — |
| 1979 | 82° | 60° | 71° | — | — |
| 1978 | 93° | 60° | 77° | — | — |
| 1977 | 82° | 51° | 67° | — | — |
| 1976 | 88° | 55° | 71° | — | — |
| 1975 | 81° | 52° | 66° | — | — |
| 1974 | 73° | 50° | 62° | — | — |
| 1973 | 81° | 48° | 64° | — | — |
| 1972 | 78° | 58° | 68° | — | — |
| 1971 | 83° | 59° | 71° | — | — |
55 years of data from VALLEJO