Weather on September 30 at Channel Islands
Channel Islands National Park
Based on 53 years of data from Ventura, CA
Planning Your Visit
September 30th in Channel Islands National Park (via Ventura, CA) typically brings warm fall weather, with average highs around 86°F and lows near 52°F — a 34°F daily swing. Over 53 years of records, the warmest September 30th was in 1980 (84°F average), while the coldest was 2019 (56°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 30th dates historically. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for September 30th in Channel Islands? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 81°F | 54°F | 0" | -- |
| 2024 | 89°F | 44°F | 0" | -- |
| 2023 | 67°F | 56°F | 0" | -- |
| 2022 | 94°F | 49°F | 0" | -- |
| 2021 | 81°F | 41°F | 0" | -- |
| 2020 | 103°F | 50°F | 0" | -- |
| 2019 | 75°F | 38°F | 0" | -- |
| 2018 | 81°F | 45°F | 0" | -- |
| 2017 | 94°F | 48°F | 0" | -- |
| 2016 | 96°F | 53°F | 0" | -- |
| 2015 | 91°F | 53°F | 0" | -- |
| 2014 | 88°F | 48°F | 0" | -- |
| 2013 | 91°F | 46°F | 0" | -- |
| 2012 | 95°F | 61°F | -- | -- |
| 2011 | 86°F | 55°F | -- | -- |
| 2010 | 91°F | 61°F | -- | -- |
| 2009 | 81°F | 48°F | -- | -- |
| 2008 | 95°F | 59°F | -- | -- |
| 2007 | 86°F | 46°F | -- | -- |
| 2006 | 77°F | 50°F | -- | -- |
| 2005 | 93°F | 54°F | -- | -- |
| 2004 | 66°F | 52°F | -- | -- |
| 2003 | 79°F | 55°F | -- | -- |
| 2002 | 68°F | 46°F | -- | -- |
| 2001 | 100°F | 59°F | -- | -- |
| 2000 | 75°F | 50°F | -- | -- |
| 1999 | 101°F | 53°F | 0" | 0" |
| 1998 | 75°F | 50°F | 0" | 0" |
| 1997 | 91°F | 57°F | 0" | 0" |
| 1995 | 92°F | 46°F | 0" | 0" |
| 1994 | 83°F | 51°F | 0" | 0" |
| 1993 | 85°F | 49°F | 0" | 0" |
| 1992 | 100°F | 55°F | 0" | 0" |
| 1991 | 96°F | 54°F | 0" | 0" |
| 1990 | 93°F | 52°F | 0.08" | 0" |
| 1989 | -- | 49°F | 0" | 0" |
| 1988 | 80°F | 49°F | 0" | 0" |
| 1987 | 99°F | 56°F | 0" | 0" |
| 1986 | 80°F | 47°F | 0" | 0" |
| 1985 | 78°F | 56°F | 0" | 0" |
| 1984 | 92°F | 56°F | 0" | 0" |
| 1982 | 74°F | 43°F | 0" | 0" |
| 1981 | 75°F | 50°F | 0" | 0" |
| 1980 | 108°F | 60°F | 0" | 0" |
| 1979 | 78°F | 54°F | 0" | 0" |
| 1978 | 97°F | 59°F | 0" | 0" |
| 1977 | 85°F | 56°F | 0" | 0" |
| 1976 | 70°F | 60°F | 0.05" | 0" |
| 1975 | 78°F | 58°F | 0" | 0" |
| 1974 | 87°F | 47°F | 0" | 0" |
| 1973 | 90°F | 48°F | 0" | 0" |
| 1972 | 96°F | 56°F | 0" | 0" |
| 1971 | 78°F | 47°F | 0" | 0" |