Hakone Weather in September

What's the weather like in Hakone (Kanagawa) in September 2023?

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

September is in the fall / autumn in Hakone and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 24°C (76°F), whilst at night 17°C (63°F) is normal.

Hakone weather averages (imperial / metric)
Daytime temperature 24.3°C 75.7°F
Nightly temperature 17.1°C 62.8°F
Average temperature 20.7°C 69.3°F
Daily sunshine 4.4 hrs
Avg rainfall 228 mm 9 ins
Rainy days 19 days
Sea temperature 25.3°C 77.6°F
Humidity 81%
Windspeed 10.1kph 6 mph

On average September is the 3rd wettest month of the year in Hakone with around 228mm 9 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 4.4 hours of sunshine per day.

September temperatures in Hakone

Hakone average temperature in September

September rainfall

Hakone average rain in September

September hourly sunshine

Hakone 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 Hakone in September 2023.

Other monthly averages

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UV index Best time to go?

Hakone weather stats

Hakone weather statistics
Hottest month: August 28.1°C 82.6°F
Driest month: December 48mm 1.9ins
Sunniest month: January 6.4hrs
Coldest month: January 7.7°C 45.9°F
Wettest month: June 240mm 9.4ins
Map showing location of Hakone (35.18333, 139.03333)

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