Kumamoto Weather in September

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

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

September is in the fall / autumn in Kumamoto and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (85°F), whilst at night 20°C (68°F) is normal.

Kumamoto weather averages (imperial / metric)
Daytime temperature 29.2°C 84.5°F
Nightly temperature 20.1°C 68.1°F
Average temperature 24.6°C 76.3°F
Daily sunshine 5.7 hrs
Avg rainfall 169 mm 6.7 ins
Rainy days 17 days
Sea temperature 27.2°C 80.9°F
Humidity 77%
Windspeed 6.5kph 4 mph

On average September is the 5th wettest month of the year in Kumamoto with around 169mm 6.7 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 Kumamoto

Kumamoto average temperature in September

September rainfall

Kumamoto average rain in September

September hourly sunshine

Kumamoto 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 Kumamoto in September 2024.

Other monthly averages

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Kumamoto weather stats

Kumamoto weather statistics
Hottest month: August 32.4°C 90.3°F
Driest month: December 51mm 2ins
Sunniest month: August 7.1hrs
Coldest month: January 9.9°C 49.8°F
Wettest month: June 396mm 15.6ins
Map showing location of Kumamoto (32.78972, 130.74167) Kumamoto map pin © Google

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