Niimi Weather in September

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

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

September is in the fall / autumn in Niimi and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 24°C (76°F), whilst at night 16°C (61°F) is normal.

Niimi weather averages (imperial / metric)
Daytime temperature 24.4°C 75.9°F
Nightly temperature 16.2°C 61.2°F
Average temperature 20.3°C 68.5°F
Daily sunshine 5.3 hrs
Avg rainfall 202 mm 7.9 ins
Rainy days 18 days
Sea temperature 26°C 78.9°F
Humidity 80%
Windspeed 9kph 6 mph

On average September is the 3rd wettest month of the year in Niimi with around 202mm 7.9 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 5.3 hours of sunshine per day.

September temperatures in Niimi

Niimi average temperature in September

September rainfall

Niimi average rain in September

September hourly sunshine

Niimi 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 Niimi in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Niimi weather stats

Niimi weather statistics
Hottest month: August 28.6°C 83.5°F
Driest month: December 58mm 2.3ins
Sunniest month: August 6.9hrs
Coldest month: January 4.7°C 40.5°F
Wettest month: July 256mm 10.1ins
Map showing location of Niimi (34.98333, 133.46667) Niimi map pin © Google

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