ClimateForecastSeptemberOctober >>

Yamanouchi weather in September (Nagano, Japan)

Is Yamanouchi a good destination in September, weather-wise? Our page offers a comprehensive look at the weather you can expect this month.

Temperatures

In September, Yamanouchi usually has high temperatures and heavy rainfall. During September, the summer season is in full swing. Anticipate daytime temperatures around 24°C, while night temperatures can drop to 15°C.

Precipitation

Yamanouchi in September falls under the rainy season with heavy rainfall, averaging around 192 mm for the month. Typically around 21 days days of rainfall are expected.

Average sunshine

Expect a moderate amount of sunlight, with approximately 142 hours. This means a pleasant mix of sun and clouds.

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

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

 

Yamanouchi, monthly averages in September

Min TemperatureMin Temperature 15°C  
Max TemperatureMax Temperature 24°C  
Chance of RainChance of Rain 68%  
PrecipitationPrecipitation 192 mm  
Rainy daysRainy days 21 days  
HumidityHumidity 74% *  
SunshineSunshine 142 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Nagano, Japan (27 KM, 17 Miles).

Where to go in Japan in September

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

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 this month?

For visitors traveling to Yamanouchi, 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.

Swimming
7/10
Camping
6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Yamanouchi.

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 travel conditions. Find out where to go with our weather planner.