Channel Islands Beach
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Channel Islands Beach, CA

Average sea temperature in September - Channel Islands Beach, CA
  • Average sea temperature in September: 63.3°F

The best month for swimming (with the highest average sea temperature) is August (64.1°F).
The coldest month (with the lowest average sea temperature) is April (56.7°F).

Average daylight in September - Channel Islands Beach, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).