Kiso Weather in September
September in Kiso brings high temperatures, with daytime highs of 23°C (73°F) and nights around 14°C (57°F). It's part of the rainy season, with 243 mm (9.6 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Kiso in September
Kiso is in the rainy season in September, with rain on around 19 days and an average of 243 mm (9.6 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Kiso in September
September in Kiso brings typical temperatures with highs around 23°C (73°F) and lows of 14°C (57°F). The summer season takes place during September. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Kiso.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Kiso's climate page.
Kiso Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
23°C (73°F)
Chance of Rain
65%
Precipitation
243 mm (9.6 in)
Rainy days
19 days
Best Places in Japan in September
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Kiso in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Kiso in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Kiso's climate page.
See the full Kiso climate overview or explore weather in Japan.
