Weather in September in Japan
What is the weather like in Japan in September?
The weather in Japan in September ranges from poor to pleasant depending on the destination. September is a summer month in Japan.
September has maximum daytime temperatures ranging from cold in Mount Fuji with 6°C (43°F) to very warm temperatures in Ishigaki Island with 31°C (88°F). Nighttime temperatures generally drop to 26°C (79°F) in Ishigaki Island and 1°C (33°F) in Mount Fuji. Temperatures can be very high, so be prepared and make sure to pack light clothes.
Precipitation ranges from high in Abashiri with 97mm (3.8inch) rainfall to heavy in Kōchi with 401mm (16inch) rainfall.
In general it is also a
moderate sunny
month with an average of 128 hours of sunshine in Tokyo during the whole month.
We invite you to have a look at the map below to find out more about the different weather conditions per location in Japan.
Where to go in Japan in September
perfect weather
pleasant
tolerable
unpleasant
poor
Popular destinations in Japan
What is the weather like in September for the 5 most popular destinations in Japan?
Average weather in Tokyo
In September Tokyo generally has warm temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 20°C (69°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.
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Average weather in Kyoto
In September Kyoto generally has warm temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Arashiyama
In September Arashiyama generally has warm temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Osaka
In September Osaka generally has warm temperatures with maximum daytime temperatures around 29°C (85°F), minimum nighttime temperatures around 22°C (71°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Hakuba
In September Hakuba generally has warm temperatures with maximum daytime temperatures around 24°C (74°F), minimum nighttime temperatures around 14°C (58°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Is your destination not in the list? Have a look at other destinations in Japan.
Is September the best time to go to Japan?
In our opinion September is not the best time to visit Japan with commonly unpleasant weather in Tokyo.
On average the best time to visit Japan is in May and June with generally pleasant weather in Tokyo.
The worst months are January and February that can have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in Japan.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for almost all countries in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.
Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.