Ōkawa Weather in September

What's the weather like in Ōkawa (Saga) in September 2024?

The climate in Ōkawa during September can be summarized as hot, humid and wet.

September is in the fall / autumn in Ōkawa and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 20°C (68°F) is normal.

Ōkawa weather averages (imperial / metric)
Daytime temperature 28.6°C 83.5°F
Nightly temperature 20°C 68°F
Average temperature 24.3°C 75.7°F
Daily sunshine 5.7 hrs
Avg rainfall 176 mm 6.9 ins
Rainy days 17 days
Sea temperature 26.4°C 79.5°F
Humidity 76%
Windspeed 7.6kph 5 mph

On average September is the 4th wettest month of the year in Ōkawa with around 176mm 6.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.7 hours of sunshine per day.

September temperatures in Ōkawa

Ōkawa average temperature in September

September rainfall

Ōkawa average rain in September

September hourly sunshine

Ōkawa 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 Ōkawa in September 2024.

Other monthly averages

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Ōkawa weather stats

Ōkawa weather statistics
Hottest month: August 32.2°C 90°F
Driest month: December 49mm 1.9ins
Sunniest month: August 7.1hrs
Coldest month: January 9.3°C 48.7°F
Wettest month: July 335mm 13.2ins
Map showing location of Ōkawa (33.2, 130.35) Ōkawa map pin © Google

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