Weather on September 23
Ventura, CA
55 Years of Data
Avg High
86°F
Avg Low
53°F
Warmest
2009
80°F avg
Coldest
2017
56°F avg
About This Date
September 23rd 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 23rd was in 2009 (80°F average), while the coldest was 2017 (56°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 23rd dates historically, with the wettest September 23rd recording 1.65" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for September 23rd in Ventura, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 57° | 73° | — | — |
| 2024 | 85° | 47° | 66° | — | — |
| 2023 | 76° | 48° | 62° | — | — |
| 2022 | 89° | 45° | 67° | — | — |
| 2021 | 100° | 52° | 76° | — | — |
| 2020 | 92° | 48° | 70° | — | — |
| 2019 | 95° | 50° | 73° | — | — |
| 2018 | 91° | 52° | 71° | — | — |
| 2017coldest | 73° | 39° | 56° | — | — |
| 2016 | 85° | 48° | 66° | — | — |
| 2015 | 85° | 54° | 69° | — | — |
| 2014 | 93° | 50° | 72° | — | — |
| 2013 | 97° | 47° | 72° | — | — |
| 2012 | 93° | 61° | 77° | — | — |
| 2011 | 84° | 59° | 72° | — | — |
| 2010 | 81° | 46° | 63° | — | — |
| 2009warmest | 100° | 59° | 80° | — | — |
| 2008 | 86° | 52° | 69° | — | — |
| 2007 | 68° | 48° | 58° | — | — |
| 2006 | 73° | 54° | 63° | — | — |
| 2005 | 77° | 54° | 65° | — | — |
| 2004 | 91° | 54° | 72° | — | — |
| 2003 | 97° | 52° | 74° | — | — |
| 2002 | 100° | 57° | 79° | — | — |
| 2001 | 86° | 52° | 69° | — | — |
| 2000 | 68° | 55° | 62° | — | — |
| 1999 | 69° | 63° | 66° | — | — |
| 1998 | 72° | 50° | 61° | — | — |
| 1997 | 101° | 55° | 78° | — | — |
| 1996 | 78° | 59° | 69° | — | — |
| 1995 | 86° | 53° | 70° | — | — |
| 1994 | 84° | 61° | 72° | 1.65" | — |
| 1993 | 82° | 46° | 64° | — | — |
| 1992 | 88° | 60° | 74° | — | — |
| 1991 | 97° | 57° | 77° | — | — |
| 1990 | 76° | 52° | 64° | — | — |
| 1989 | 87° | 48° | 68° | — | — |
| 1988 | 81° | 47° | 64° | — | — |
| 1987 | 88° | 64° | 76° | — | — |
| 1986 | 68° | 48° | 58° | — | — |
| 1985 | 91° | 58° | 74° | — | — |
| 1984 | 71° | 63° | 67° | — | — |
| 1983 | 82° | 65° | 73° | — | — |
| 1982 | 97° | 56° | 76° | — | — |
| 1981 | 79° | 50° | 64° | — | — |
| 1980 | 91° | 45° | 68° | — | — |
| 1979 | 91° | 55° | 73° | — | — |
| 1978 | 105° | 49° | 77° | — | — |
| 1977 | 80° | 52° | 66° | — | — |
| 1976 | 81° | 61° | 71° | — | — |
| 1975 | 102° | 56° | 79° | — | — |
| 1974 | 84° | 54° | 69° | — | — |
| 1973 | 78° | 50° | 64° | — | — |
| 1972 | 85° | 50° | 67° | — | — |
| 1971 | 92° | 49° | 70° | — | — |
55 years of data from OJAI CALIFORNIA