Malibu
California, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Malibu, CA

Ocean temperature

In Malibu, California, in September, the average water temperature is 65.1°F (18.4°C).
Note: Swimming in 65.1°F (18.4°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in September is 12.4h.

How cold is the water in September in Malibu?

In Malibu, in September, the average water temperature is 65.1°F (18.4°C). For most, swimming in 65.1°F (18.4°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the average length of the day in September in Malibu?

In September, the average length of the day is 12.4h.
Average sea temperature in September - Malibu, CA
  • Average sea temperature in September: 65.2°F

The best month for swimming (with the highest average sea temperature) is August (66.1°F).
The coldest month (with the lowest average sea temperature) is March (57.7°F).

Average daylight in September - Malibu, 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).