Average Weather during September in Otari (Nagano), Japan

The average minimum temperature (usually the minimum temperature is noted during the night) in Otari in September is 17.0°C (62.6°F). The amount of rain in September is high with an average of 131mm (5.2in). The average maximum daytime temperature lies around 25.7°C (78.26°F). The sun will occasionally show itself with 142 hours of sunshine during the whole month.


So what to wear in September? Visitors traveling to Otari should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 17 °C
Max Temperature 25 °C
Chance of Rain 40%
Precipitation 131mm
Rainy Days 12
Sunshine Hours 142

Where to stay in Otari

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

More Climate Information For Otari

Weather and Climate offers all the information you need to know about the climate in Otari.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Japan and climate and forecast data for all other countries in the world.