Japan weather in September
Are you planning a trip to Japan in September and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in Japan in September?
The weather in Japan in September can be quite varied, with temperatures that range from pleasant to very warm and precipitation levels ranging from high to heavy. The month of September is in the summer season.
The average highest temperatures fluctuate between pleasant in Nemuro at 18°C to very warm in Moriguchi at 30°C. Nighttime temperatures generally drop to 21°C in Moriguchi and 15°C in Nemuro.
In September, precipitation varies across different areas. From high rainfall in Kitami with an average of 129 mm to heavy rainfall in Shingu with 352 mm. Most areas experience a moderate amount of sunshine, with approximately 128 hours of sunlight expected in Tokyo. This makes it neither too gloomy nor overly bright.
For specific regional insights in Japan for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Japan climate page.
Where to go in Japan in September
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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 high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 21°C and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Average weather in Kyoto
In September Kyoto generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 19°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.
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Average weather in Osaka
In September Osaka generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 21°C and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Average weather in Hakuba
In September Hakuba generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 15°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Average weather in Hakone
In September Hakone generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 20°C and heavy monthly rainfall. So on average the conditions are poor 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 visit Japan?
Given the typically tolerable weather conditions in Tokyo, September might be a good time to visit Japan.
Generally speaking, May, June and November provide pleasant weather in Tokyo. In contrast, January tends to 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 every country 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 recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.