Sendai Weather in September

What's the weather like in Sendai (Miyagi) in September 2023?

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

September is in the fall / autumn in Sendai and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (76°F), whilst at night 17°C (63°F) is normal.

Sendai weather averages (imperial / metric)
Daytime temperature 24.5°C 76°F
Nightly temperature 17.4°C 63.2°F
Average temperature 20.9°C 69.6°F
Daily sunshine 4.6 hrs
Avg rainfall 174 mm 6.9 ins
Rainy days 20 days
Sea temperature 23.4°C 74.2°F
Humidity 79%
Windspeed 7.9kph 5 mph

On average September is the wettest month of the year in Sendai with around 174mm 6.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.6 hours of sunshine per day.

September temperatures in Sendai

Sendai average temperature in September

September rainfall

Sendai average rain in September

September hourly sunshine

Sendai 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 Sendai in September 2023.

Other monthly averages

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UV index Best time to go?

Sendai weather stats

Sendai weather statistics
Hottest month: August 28.3°C 82.9°F
Driest month: December 38mm 1.5ins
Sunniest month: March 6.2hrs
Coldest month: January 5.1°C 41.2°F
Wettest month: September 174mm 6.9ins
Map showing location of Sendai (38.26889, 140.87194)

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