Hachiōji Weather in September

What's the weather like in Hachiōji (Tōkyō) in September 2024?

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

September is in the fall / autumn in Hachiōji and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 18°C (64°F) is normal.

Hachiōji weather averages (imperial / metric)
Daytime temperature 25.1°C 77.1°F
Nightly temperature 17.6°C 63.6°F
Average temperature 21.3°C 70.3°F
Daily sunshine 4.2 hrs
Avg rainfall 207 mm 8.1 ins
Rainy days 19 days
Sea temperature 25.3°C 77.6°F
Humidity 80%
Windspeed 8.3kph 5 mph

On average September is the wettest month of the year in Hachiōji with around 207mm 8.1 inches of rain making it a very 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 4.2 hours of sunshine per day.

September temperatures in Hachiōji

Hachiōji average temperature in September

September rainfall

Hachiōji average rain in September

September hourly sunshine

Hachiōji 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 Hachiōji in September 2024.

Other monthly averages

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Hachiōji weather stats

Hachiōji weather statistics
Hottest month: August 29.4°C 84.9°F
Driest month: December 38mm 1.5ins
Sunniest month: January 6.6hrs
Coldest month: January 8.1°C 46.6°F
Wettest month: September 207mm 8.1ins
Map showing location of Hachiōji (35.65583, 139.32389) Hachiōji map pin © Google

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