Weather on September 5
Vacaville, CA
55 Years of Data
Avg High
94°F
Avg Low
57°F
Warmest
2022
91°F avg
Coldest
1973
66°F avg
About This Date
September 5th in Vacaville, CA typically brings hot fall weather, with average highs around 94°F and lows near 57°F — a 37°F daily swing. Over 55 years of records, the warmest September 5th was in 2022 (91°F average), while the coldest was 1973 (66°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in Vacaville, 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 | 88° | 53° | 70° | — | — |
| 2024 | 103° | 59° | 81° | — | — |
| 2023 | 91° | 54° | 72° | — | — |
| 2022warmest | 115° | 68° | 91° | — | — |
| 2021 | 100° | 51° | 76° | — | — |
| 2020 | 103° | 61° | 82° | — | — |
| 2019 | 93° | 62° | 78° | — | — |
| 2018 | 92° | 57° | 74° | — | — |
| 2017 | 96° | 72° | 84° | — | — |
| 2016 | 91° | 51° | 71° | — | — |
| 2015 | 88° | 50° | 69° | — | — |
| 2014 | 90° | 56° | 73° | — | — |
| 2013 | 89° | 58° | 73° | — | — |
| 2012 | 90° | 54° | 72° | — | — |
| 2011 | 92° | 54° | 73° | — | — |
| 2010 | 96° | 55° | 76° | — | — |
| 2009 | 90° | 55° | 72° | — | — |
| 2008 | 103° | 61° | 82° | — | — |
| 2007 | 94° | 65° | 79° | — | — |
| 2006 | 98° | 54° | 76° | — | — |
| 2005 | 89° | 55° | 72° | — | — |
| 2004 | 97° | 59° | 78° | — | — |
| 2003 | 88° | 60° | 74° | — | — |
| 2002 | 84° | 55° | 70° | — | — |
| 2001 | 91° | 58° | 74° | — | — |
| 2000 | 85° | 52° | 68° | — | — |
| 1999 | 96° | 54° | 75° | — | — |
| 1998 | 94° | 70° | 82° | — | — |
| 1997 | 99° | 66° | 82° | — | — |
| 1996 | 86° | 50° | 68° | — | — |
| 1995 | 95° | 55° | 75° | — | — |
| 1994 | 96° | 55° | 76° | — | — |
| 1993 | 92° | 55° | 73° | — | — |
| 1992 | 92° | 55° | 73° | — | — |
| 1991 | 104° | 62° | 83° | — | — |
| 1990 | 92° | 56° | 74° | — | — |
| 1989 | 93° | 53° | 73° | — | — |
| 1988 | 109° | 66° | 88° | — | — |
| 1987 | 80° | 51° | 66° | — | — |
| 1986 | 97° | 54° | 75° | — | — |
| 1985 | 82° | 59° | 71° | — | — |
| 1984 | 99° | 64° | 81° | — | — |
| 1983 | 100° | 59° | 80° | — | — |
| 1982 | 97° | 52° | 74° | — | — |
| 1981 | 93° | 55° | 74° | — | — |
| 1980 | 94° | 52° | 73° | — | — |
| 1979 | 92° | 54° | 73° | — | — |
| 1978 | 80° | 57° | 69° | — | — |
| 1977 | 100° | 58° | 79° | — | — |
| 1976 | 91° | 54° | 72° | — | — |
| 1975 | 104° | 57° | 81° | — | — |
| 1974 | 99° | 54° | 76° | — | — |
| 1973coldest | 79° | 53° | 66° | — | — |
| 1972 | 88° | 57° | 72° | — | — |
| 1971 | 96° | 55° | 76° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS