Ōtsu Weather in September

What's the weather like in Ōtsu (Shiga) in September 2024?

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

September is in the fall / autumn in Ōtsu and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 19°C (65°F) is normal.

Ōtsu weather averages (imperial / metric)
Daytime temperature 26.9°C 80.3°F
Nightly temperature 18.6°C 65.4°F
Average temperature 22.7°C 72.9°F
Daily sunshine 4.9 hrs
Avg rainfall 177 mm 7 ins
Rainy days 18 days
Sea temperature 25.7°C 78.2°F
Humidity 76%
Windspeed 8.3kph 5 mph

On average September is the 3rd wettest month of the year in Ōtsu with around 177mm 7 inches of rain making it a 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 4.9 hours of sunshine per day.

September temperatures in Ōtsu

Ōtsu average temperature in September

September rainfall

Ōtsu average rain in September

September hourly sunshine

Ōtsu 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 Ōtsu in September 2024.

Other monthly averages

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Ōtsu weather stats

Ōtsu weather statistics
Hottest month: August 31.3°C 88.3°F
Driest month: December 68mm 2.7ins
Sunniest month: August 6.5hrs
Coldest month: January 6.7°C 44.1°F
Wettest month: June 224mm 8.8ins
Map showing location of Ōtsu (35.00444, 135.86833) Ōtsu map pin © Google

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