Weather on September 11
Ventura, CA
55 Years of Data
Avg High
85°F
Avg Low
54°F
Warmest
1971
84°F avg
Coldest
1985
57°F avg
About This Date
September 11th in Ventura, CA typically brings warm fall weather, with average highs around 85°F and lows near 54°F — a 31°F daily swing. Over 55 years of records, the warmest September 11th was in 1971 (84°F average), while the coldest was 1985 (57°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 11th dates historically, with the wettest September 11th recording 3.45" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for September 11th in Ventura, 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 | 75° | 50° | 63° | — | — |
| 2024 | 96° | 45° | 70° | — | — |
| 2023 | 97° | 63° | 80° | — | — |
| 2022 | 83° | 68° | 75° | — | — |
| 2021 | 98° | 57° | 78° | — | — |
| 2020 | 85° | 45° | 65° | — | — |
| 2019 | 79° | 49° | 64° | — | — |
| 2018 | 89° | 54° | 71° | — | — |
| 2017 | 99° | 66° | 82° | — | — |
| 2016 | 93° | 49° | 71° | — | — |
| 2015 | 98° | 65° | 81° | — | — |
| 2014 | 98° | 56° | 77° | — | — |
| 2013 | 83° | 54° | 68° | — | — |
| 2012 | 81° | 64° | 72° | — | — |
| 2011 | 73° | 55° | 64° | — | — |
| 2010 | 82° | 48° | 65° | — | — |
| 2009 | 91° | 63° | 77° | — | — |
| 2008 | 77° | 54° | 65° | — | — |
| 2007 | 90° | 54° | 72° | — | — |
| 2006 | 90° | 52° | 71° | — | — |
| 2005 | 68° | 52° | 60° | — | — |
| 2004 | 93° | 61° | 77° | — | — |
| 2003 | 88° | 55° | 71° | — | — |
| 2002 | 86° | 54° | 70° | — | — |
| 2001 | 77° | 57° | 67° | — | — |
| 2000 | 93° | 48° | 71° | — | — |
| 1999 | 79° | 44° | 61° | — | — |
| 1998 | 81° | 52° | 66° | — | — |
| 1997 | 87° | 56° | 71° | — | — |
| 1996 | 91° | 48° | 70° | — | — |
| 1995 | 86° | 51° | 69° | — | — |
| 1994 | 80° | 51° | 66° | — | — |
| 1993 | 91° | 56° | 73° | — | — |
| 1992 | 89° | 50° | 70° | — | — |
| 1991 | 78° | 47° | 62° | — | — |
| 1990 | 98° | 54° | 76° | — | — |
| 1989 | 80° | 50° | 65° | — | — |
| 1988 | — | 48° | — | — | — |
| 1987 | 79° | 47° | 63° | — | — |
| 1986 | 78° | 56° | 67° | — | — |
| 1985coldest | 74° | 40° | 57° | — | — |
| 1984 | 71° | 70° | 70° | 2.03" | — |
| 1983 | 104° | 59° | 82° | — | — |
| 1982 | 83° | 63° | 73° | — | — |
| 1981 | 88° | 53° | 70° | — | — |
| 1980 | 83° | 55° | 69° | — | — |
| 1979 | 102° | 53° | 78° | — | — |
| 1978 | 76° | 52° | 64° | — | — |
| 1977 | 83° | 49° | 66° | — | — |
| 1976 | 71° | 60° | 66° | 3.45" | — |
| 1975 | 74° | 52° | 63° | — | — |
| 1974 | 83° | 56° | 69° | — | — |
| 1973 | 80° | 60° | 70° | — | — |
| 1972 | 76° | 59° | 67° | — | — |
| 1971warmest | 105° | 62° | 84° | — | — |
55 years of data from OJAI CALIFORNIA