Weather on September 15
Ventura, CA
55 Years of Data
Avg High
86°F
Avg Low
53°F
Warmest
2014
85°F avg
Coldest
1980
59°F avg
About This Date
September 15th in Ventura, CA typically brings warm fall weather, with average highs around 86°F and lows near 53°F — a 33°F daily swing. Over 55 years of records, the warmest September 15th was in 2014 (85°F average), while the coldest was 1980 (59°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 15th dates historically, with the wettest September 15th recording 0.86" of rain. The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for September 15th in Ventura, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 53° | 70° | — | — |
| 2024 | 75° | 55° | 65° | — | — |
| 2023 | 79° | 54° | 66° | — | — |
| 2022 | 82° | 50° | 66° | — | — |
| 2021 | 91° | 44° | 68° | — | — |
| 2020 | 95° | 49° | 72° | — | — |
| 2019 | 100° | 51° | 76° | — | — |
| 2018 | 96° | 47° | 71° | — | — |
| 2017 | 69° | 51° | 60° | — | — |
| 2016 | 78° | 43° | 60° | — | — |
| 2015 | 88° | 54° | 71° | 0.86" | — |
| 2014warmest | 105° | 65° | 85° | — | — |
| 2013 | 101° | 56° | 78° | — | — |
| 2012 | 99° | 64° | 81° | — | — |
| 2011 | 75° | 55° | 65° | — | — |
| 2010 | 81° | 48° | 64° | — | — |
| 2009 | 79° | 52° | 65° | — | — |
| 2008 | 97° | 54° | 75° | — | — |
| 2007 | 81° | 50° | 65° | — | — |
| 2006 | 70° | 52° | 61° | — | — |
| 2005 | 73° | 48° | 61° | — | — |
| 2004 | 79° | 55° | 67° | — | — |
| 2003 | 86° | 57° | 72° | — | — |
| 2002 | 93° | 57° | 75° | — | — |
| 2001 | 88° | 48° | 68° | — | — |
| 2000 | 91° | 57° | 74° | — | — |
| 1999 | 81° | 45° | 63° | — | — |
| 1998 | 86° | 54° | 70° | — | — |
| 1997 | 92° | 50° | 71° | — | — |
| 1996 | — | 49° | — | — | — |
| 1995 | 100° | 55° | 78° | — | — |
| 1994 | 97° | 52° | 74° | — | — |
| 1993 | 78° | 54° | 66° | — | — |
| 1992 | 84° | 52° | 68° | — | — |
| 1991 | 85° | 56° | 70° | — | — |
| 1990 | 91° | 50° | 71° | — | — |
| 1989 | 97° | 66° | 81° | — | — |
| 1988 | 75° | 49° | 62° | — | — |
| 1987 | 80° | 49° | 64° | — | — |
| 1986 | 76° | 52° | 64° | — | — |
| 1985 | 84° | 45° | 64° | — | — |
| 1984 | 98° | 62° | 80° | — | — |
| 1983 | 89° | 57° | 73° | — | — |
| 1982 | 72° | 61° | 66° | — | — |
| 1981 | 90° | 51° | 70° | — | — |
| 1980coldest | 75° | 43° | 59° | — | — |
| 1979 | 108° | 55° | 81° | — | — |
| 1978 | 82° | 49° | 65° | — | — |
| 1977 | 75° | 49° | 62° | — | — |
| 1976 | 75° | 57° | 66° | — | — |
| 1975 | 94° | 52° | 73° | — | — |
| 1974 | 90° | 45° | 67° | — | — |
| 1973 | 71° | 55° | 63° | — | — |
| 1972 | 82° | 46° | 64° | — | — |
| 1971 | 90° | 61° | 75° | — | — |
55 years of data from OJAI CALIFORNIA