Aki Weather in September

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

The climate in Aki during September can be summarized as warm, humid and very wet.

September is in the fall / autumn in Aki and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (78°F), whilst at night 19°C (67°F) is normal.

Aki weather averages (imperial / metric)
Daytime temperature 25.3°C 77.5°F
Nightly temperature 19.2°C 66.5°F
Average temperature 22.2°C 72°F
Daily sunshine 5.5 hrs
Avg rainfall 304 mm 12 ins
Rainy days 18 days
Sea temperature 26.7°C 80.1°F
Humidity 80%
Windspeed 15kph 9 mph

On average September is the 2nd wettest month of the year in Aki with around 304mm 12 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.5 hours of sunshine per day.

September temperatures in Aki

Aki average temperature in September

September rainfall

Aki average rain in September

September hourly sunshine

Aki 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 Aki in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Aki weather stats

Aki weather statistics
Hottest month: August 28.2°C 82.8°F
Driest month: December 50mm 2ins
Sunniest month: December 5.8hrs
Coldest month: January 7.9°C 46.2°F
Wettest month: June 349mm 13.7ins
Map showing location of Aki (33.5, 133.9) Aki map pin © Google

Locations nearby

Top Japan locations