Ramona Weather in September

What's the weather like in Ramona (California) in September 2025?

The climate in Ramona during September can be summarized as warm and very dry.

September is in the fall / autumn in Ramona and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 15°C (59°F) is normal.

Ramona weather averages (imperial / metric)
Daytime temperature 28.3°C 82.9°F
Nightly temperature 14.8°C 58.6°F
Average temperature 21.5°C 70.7°F
Daily sunshine 9.7 hrs
Avg rainfall 9 mm 0.4 ins
Rainy days 2 days
Sea temperature 20.4°C 68.7°F
Humidity 67%
Windspeed 13.7kph 9 mph

On average September is the 4th driest month of the year in Ramona with around 9mm 0.4 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 9.7 hours of sunshine per day.

September temperatures in Ramona

Ramona average temperature in September

September rainfall

Ramona average rain in September

September hourly sunshine

Ramona 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 Ramona in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ramona weather stats

Ramona weather statistics
Hottest month: August 29.8°C 85.6°F
Driest month: June 2mm 0.1ins
Sunniest month: August 11hrs
Coldest month: January 16.6°C 61.9°F
Wettest month: January 76mm 3ins
Map showing location of Ramona (33.04171, -116.86808) Ramona map pin © Google

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