Temperature in Nagano Prefecture in September

Daytime highs, nighttime lows and the warmest cities in Nagano Prefecture, Japan this September.

Nagano Prefecture, Japan, a region in Japan, experiences high average maximum daytime temperatures in September, ranging from 22°C (72°F) in Omachi to 25°C (77°F) in Ueda. Nighttime temperatures generally drop to 15°C (59°F) in Ueda and 13°C (55°F) in Omachi. September is part of the summer season

What is the temperature of the different cities in Nagano Prefecture, Japan in September?

Find the average daytime temperatures in September for the most popular destinations in Nagano Prefecture on the map below. Click on a destination dot for more detailed information.

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Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Nagano Prefecture, check out our Nagano Prefecture's climate page.

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.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Nagano Prefecture

Nagano Prefecture temperatures in September: frequently asked questions

How hot does it get in Nagano Prefecture, Japan in September?

Expect daytime temperatures around 23°C (73°F) in Hakuba. That makes September a high month for Nagano Prefecture, Japan.

How cold does it get at night in Nagano Prefecture, Japan in September?

Nighttime temperatures in Hakuba typically drop to around 15°C (59°F) in September.

What is the warmest city in September in Nagano Prefecture, Japan?

Based on our systematic data collection, Ueda has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 25°C (77°F), while at night it goes down to an approximate temperature of 15°C (59°F).

What is the coldest city in September in Nagano Prefecture, Japan?

In our database, Omachi is the chilliest city in September in Nagano Prefecture, Japan. Daytime temperatures typically peak at 22°C (72°F), while the nighttime lows hover around 13°C (55°F).

How much sun does Nagano Prefecture, Japan get in September?

Most cities enjoy a balanced amount of sunshine, with around 115 hours of sunlight anticipated in Hakuba. This ensures the days are neither too dim nor excessively sunny.

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.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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