Weather on September 1 at Channel Islands
Channel Islands National Park
CAPacific West
Avg High90°F
Avg Low56°F
Warmest201788°F
Coldest200062°F
Based on 55 years of data from Ventura, CA
Planning Your Visit
September 1st in Channel Islands National Park (via Ventura, CA) typically brings hot fall weather, with average highs around 90°F and lows near 56°F — a 34°F daily swing. Over 55 years of records, the warmest September 1st was in 2017 (88°F average), while the coldest was 2000 (62°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Channel Islands? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 98°F | 58°F | 0" | -- |
| 2024 | 93°F | 54°F | 0" | -- |
| 2023 | 91°F | 56°F | 0" | -- |
| 2022 | 106°F | 57°F | 0" | -- |
| 2021 | 82°F | 60°F | 0" | -- |
| 2020 | 85°F | 54°F | 0" | -- |
| 2019 | 95°F | 57°F | 0" | -- |
| 2018 | 92°F | 50°F | 0" | -- |
| 2017 | 110°F | 66°F | 0" | -- |
| 2016 | 102°F | 51°F | 0" | -- |
| 2015 | 88°F | 57°F | 0" | -- |
| 2014 | 92°F | 56°F | 0" | -- |
| 2013 | 91°F | 69°F | 0" | -- |
| 2012 | 86°F | 52°F | -- | -- |
| 2011 | 82°F | 48°F | -- | -- |
| 2010 | 90°F | 52°F | -- | -- |
| 2009 | 100°F | 63°F | -- | -- |
| 2008 | 81°F | 61°F | -- | -- |
| 2007 | 102°F | 72°F | -- | -- |
| 2006 | 95°F | 54°F | -- | -- |
| 2005 | 81°F | 55°F | -- | -- |
| 2004 | 97°F | 57°F | -- | -- |
| 2003 | 86°F | 57°F | -- | -- |
| 2002 | 100°F | 66°F | -- | -- |
| 2001 | 86°F | 54°F | -- | -- |
| 2000 | 70°F | 54°F | -- | -- |
| 1999 | 75°F | 59°F | 0" | -- |
| 1998 | 104°F | 69°F | 0" | 0" |
| 1997 | 95°F | 56°F | 0" | 0" |
| 1996 | 84°F | 60°F | 0" | 0" |
| 1995 | 102°F | 59°F | 0" | 0" |
| 1994 | 81°F | 54°F | 0" | 0" |
| 1993 | 93°F | 57°F | 0" | 0" |
| 1992 | 78°F | 52°F | 0" | 0" |
| 1991 | 95°F | 52°F | 0" | 0" |
| 1990 | 88°F | 57°F | 0" | 0" |
| 1989 | 88°F | 45°F | 0" | 0" |
| 1988 | 94°F | 57°F | 0" | 0" |
| 1987 | 103°F | 57°F | 0" | 0" |
| 1986 | 80°F | 47°F | 0" | 0" |
| 1985 | 89°F | 57°F | 0" | 0" |
| 1984 | 91°F | 52°F | 0" | 0" |
| 1983 | 95°F | 58°F | 0" | 0" |
| 1982 | 101°F | 62°F | 0" | 0" |
| 1981 | 82°F | 51°F | 0" | 0" |
| 1980 | 79°F | 49°F | 0" | 0" |
| 1979 | 80°F | 50°F | 0" | 0" |
| 1978 | 92°F | 52°F | 0" | 0" |
| 1977 | 84°F | 57°F | 0" | 0" |
| 1976 | 92°F | 56°F | 0" | 0" |
| 1975 | 87°F | 47°F | 0" | 0" |
| 1974 | 97°F | 49°F | 0" | 0" |
| 1973 | 76°F | 54°F | 0" | 0" |
| 1972 | 84°F | 58°F | 0" | 0" |
| 1971 | 85°F | 55°F | 0" | 0" |
September 1 at Nearby Parks
Holiday Weather at Channel Islands
Official NPS WebsiteVisit nps.gov/chis for park information, alerts, and reservations
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