Weather on September 4 at Channel Islands
Channel Islands National Park
CAPacific West
Avg High91°F
Avg Low56°F
Warmest198888°F
Coldest202363°F
Based on 55 years of data from Ventura, CA
Planning Your Visit
September 4th in Channel Islands National Park (via Ventura, CA) typically brings hot fall weather, with average highs around 91°F and lows near 56°F — a 35°F daily swing. Over 55 years of records, the warmest September 4th was in 1988 (88°F average), while the coldest was 2023 (63°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 7% of September 4th dates historically. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for September 4th in Channel Islands? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 95°F | 58°F | 0" | -- |
| 2024 | 101°F | 56°F | 0" | -- |
| 2023 | 75°F | 51°F | 0" | -- |
| 2022 | 112°F | 51°F | 0" | -- |
| 2021 | 88°F | 45°F | 0" | -- |
| 2020 | 93°F | 54°F | 0" | -- |
| 2019 | 96°F | 63°F | 0" | -- |
| 2018 | 85°F | 58°F | 0" | -- |
| 2017 | 103°F | 70°F | 0.08" | -- |
| 2016 | 80°F | 51°F | 0" | -- |
| 2015 | 81°F | 51°F | 0" | -- |
| 2014 | 86°F | 57°F | 0" | -- |
| 2013 | 102°F | 62°F | 0" | -- |
| 2012 | 93°F | 59°F | -- | -- |
| 2011 | 88°F | 54°F | -- | -- |
| 2010 | 99°F | 59°F | -- | -- |
| 2009 | 93°F | 63°F | -- | -- |
| 2008 | 93°F | 57°F | -- | -- |
| 2007 | 93°F | 63°F | -- | -- |
| 2006 | 95°F | 59°F | -- | -- |
| 2005 | 86°F | 48°F | -- | -- |
| 2004 | 91°F | 54°F | -- | -- |
| 2003 | 97°F | 61°F | -- | -- |
| 2002 | 93°F | 61°F | -- | -- |
| 2001 | 86°F | 61°F | -- | -- |
| 2000 | 77°F | 50°F | -- | -- |
| 1999 | 81°F | 49°F | 0" | 0" |
| 1998 | 74°F | 69°F | 0.08" | -- |
| 1997 | 100°F | 67°F | 0" | 0" |
| 1996 | 85°F | 57°F | 0" | 0" |
| 1995 | 100°F | 54°F | 0" | 0" |
| 1994 | 89°F | 49°F | 0" | 0" |
| 1993 | 93°F | 56°F | 0" | 0" |
| 1992 | 88°F | 50°F | 0" | 0" |
| 1991 | 92°F | 57°F | 0" | 0" |
| 1990 | 95°F | 53°F | 0" | 0" |
| 1989 | 94°F | 46°F | 0" | 0" |
| 1988 | 110°F | 66°F | 0" | 0" |
| 1987 | 85°F | 57°F | 0" | 0" |
| 1986 | 92°F | 51°F | 0" | 0" |
| 1985 | 75°F | 56°F | 0" | 0" |
| 1984 | 106°F | 62°F | 0" | 0" |
| 1983 | 88°F | 51°F | 0" | 0" |
| 1982 | 99°F | 62°F | 0" | 0" |
| 1981 | 83°F | 50°F | 0" | 0" |
| 1980 | 89°F | 45°F | 0" | 0" |
| 1979 | 89°F | 45°F | 0" | 0" |
| 1978 | 92°F | 62°F | 0.05" | 0" |
| 1977 | 100°F | 51°F | 0" | 0" |
| 1976 | 95°F | 64°F | 0" | 0" |
| 1975 | 100°F | 55°F | 0" | 0" |
| 1974 | 101°F | 59°F | 0" | 0" |
| 1973 | 71°F | 59°F | 0" | 0" |
| 1972 | 91°F | 65°F | 0.05" | 0" |
| 1971 | 88°F | 55°F | 0" | 0" |
September 4 at Nearby Parks
Holiday Weather at Channel Islands
Official NPS WebsiteVisit nps.gov/chis for park information, alerts, and reservations
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