September Rainfall and Precipitation in Nagano Prefecture
Nagano Prefecture Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nagano Prefecture - and find the best time to visit. See also: Nagano Prefecture weather by month.
Best Places to Visit in Nagano Prefecture in September
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Nagano Prefecture.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.
Nagano Prefecture precipitation in September: frequently asked questions
How much rainfall does Nagano Prefecture, Japan receive in September?
In September, Nagano Prefecture, Japan experiences its rainy season. Sun lovers might want to consider a different time for their trip. Hakuba often receives substantial rainfall, averaging approximately 306 mm (12 in). The frequent showers make the weather unpredictable, with conditions shifting rapidly.
How many days does it rain in Nagano Prefecture, Japan in September?
Expect around 20 days rainy days in Hakuba during September.
Is September part of the rainy season in Nagano Prefecture, Japan?
Yes, the rainy season in Nagano Prefecture, Japan includes September. Plan for periodic rainfall during your visit.
What is the wettest city in September in Nagano Prefecture, Japan?
Based on our records, Otari receives the most rainfall in Nagano Prefecture, Japan in September, averaging about 306 mm (12 in).
What is the driest city in September in Nagano Prefecture, Japan?
In our records, Tateshina stands out as the driest city in Nagano Prefecture, Japan for September, averaging just 162 mm (6.4 in).
Interested in more climate information?
We have much more information about the climate in Nagano Prefecture.
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.
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Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Chase the autumn leaves in Japan
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