Opal Cliffs Weather in September

What's the weather like in Opal Cliffs (California) in September 2024?

The climate in Opal Cliffs during September can be summarized as mild and dry.

September is in the fall / autumn in Opal Cliffs and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 11°C (51°F) is normal.

Opal Cliffs weather averages (imperial / metric)
Daytime temperature 25°C 76.9°F
Nightly temperature 10.5°C 50.8°F
Average temperature 17.7°C 63.9°F
Daily sunshine 10.3 hrs
Avg rainfall 10 mm 0.4 ins
Rainy days 2 days
Sea temperature 15.8°C 60.4°F
Humidity 69%
Windspeed 14.8kph 9 mph

On average September is the 5th driest month of the year in Opal Cliffs with around 10mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.3 hours of sunshine per day.

September temperatures in Opal Cliffs

Opal Cliffs average temperature in September

September rainfall

Opal Cliffs average rain in September

September hourly sunshine

Opal Cliffs average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Opal Cliffs in September 2024.