Okayama Weather in September

What's the weather like in Okayama (Okayama) in September 2022?

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

September is in the fall / autumn in Okayama and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 20°C (68°F) is normal.

Okayama weather averages (imperial / metric)
Daytime temperature 27.7°C 81.9°F
Nightly temperature 19.7°C 67.5°F
Average temperature 23.7°C 74.7°F
Daily sunshine 5.5 hrs
Avg rainfall 191 mm 7.5 ins
Rainy days 17 days
Sea temperature 26°C 78.9°F
Humidity 76%
Windspeed 7.2kph 5 mph

On average September is the wettest month of the year in Okayama with around 191mm 7.5 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 5.5 hours of sunshine per day.

September temperatures in Okayama

Okayama average temperature in September

September rainfall

Okayama average rain in September

September hourly sunshine

Okayama 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 Okayama in September 2022.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Okayama weather stats

Okayama weather statistics
Hottest month: August 31.9°C 89.4°F
Driest month: December 32mm 1.3ins
Sunniest month: August 7.5hrs
Coldest month: January 8.3°C 46.9°F
Wettest month: September 191mm 7.5ins
Map showing location of Okayama (34.66167, 133.935)

Locations nearby

Top Japan locations

Change units