Nagano weather in September
Thinking about venturing to Nagano this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:
What is the weather like in Nagano in September?
Nagano is a region in Japan. September in Nagano generally has warm temperatures, with heavy precipitation. During September, summer is in full swing.
The average maximum temperatures are warm and range from 22°C in Omachi to 25°C in Ueda. Nighttime temperatures generally drop to 15°C in Ueda and 13°C in Omachi.
In September, precipitation varies across different areas. From heavy rainfall in Tateshina with an average of 162 mm to heavy rainfall in Otari with 306 mm. The city Hakuba usually sees around 115 hours of sunlight, indicating a moderately sunny period.
For a closer look at September's conditions in Nagano, see the map below. For a more detailed look at Nagano's yearly weather, check out our Nagano climate page.
Where to go in Nagano in September
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Popular destinations in Nagano
What is the weather like in September for the 5 most popular destinations in Nagano?
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 Yamanouchi
In September Yamanouchi generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 15°C and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Average weather in Matsumoto
In September Matsumoto generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 14°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.
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Average weather in Nozawa Onsen
In September Nozawa Onsen generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 16°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.
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Average weather in Karuizawa
In September Karuizawa generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 15°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.
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Is your destination not in the list? Have a look at other destinations in Nagano, in Japan.
Is September the best time to visit Nagano?
In our opinion, September may not be the ideal time to visit Nagano due to the typically poor weather in Hakuba.
Generally speaking, provide poor weather in Hakuba.
Interested in more climate information?
We have much more information about the climate in Nagano.
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.