Kiso weather in September (Japan)

Curious about the September weather in Kiso? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In September, Kiso generally has high temperatures and heavy rainfall. September falls within the summer season. Daytime temperatures hover around 23°C, while nights can cool down to about 14°C.

Kiso in September falls under the rainy season with heavy rainfall, averaging around 243 mm for the month. When we look at the climate data from the last 30 years, we can expect around 19 days of rain.

If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. While January, February, March, April, June, July, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Kiso climate page with graphs.

 

Kiso, monthly averages in September

Min Temperature 14°C  

Max Temperature 23°C  

Chance of Rain 65%  

Precipitation 243 mm  

Rainy days 19 days  

Where to go in Japan in September

Find out more about the weather in Japan in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Kiso in September?

For visitors traveling to Kiso, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Camping

6/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Kiso.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find 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.