Ōtsuchi Weather in September

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

The climate in Ōtsuchi during September can be summarized as warm and wet.

September is in the fall / autumn in Ōtsuchi and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 14°C (57°F) is normal.

Ōtsuchi weather averages (imperial / metric)
Daytime temperature 22.2°C 72°F
Nightly temperature 14°C 57.2°F
Average temperature 18.1°C 64.6°F
Daily sunshine 4.8 hrs
Avg rainfall 188 mm 7.4 ins
Rainy days 19 days
Sea temperature 21.9°C 71.5°F
Humidity 81%
Windspeed 7.9kph 5 mph

On average September is the 2nd wettest month of the year in Ōtsuchi with around 188mm 7.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.8 hours of sunshine per day.

September temperatures in Ōtsuchi

Ōtsuchi average temperature in September

September rainfall

Ōtsuchi average rain in September

September hourly sunshine

Ōtsuchi 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 Ōtsuchi in September 2024.

Other monthly averages

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UV index Best time to go?

Ōtsuchi weather stats

Ōtsuchi weather statistics
Hottest month: August 26°C 78.8°F
Driest month: December 40mm 1.6ins
Sunniest month: January 5.7hrs
Coldest month: January 3.2°C 37.8°F
Wettest month: August 189mm 7.4ins
Map showing location of Ōtsuchi (39.36667, 141.9) Ōtsuchi map pin © Google

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