Saku weather in September (Nagano, Japan)

How's the weather trend in Saku as September approaches? This guide provides the necessary weather information for your travel plans.

Temperatures

The typical weather for September in Saku includes high temperatures and heavy rainfall. September is known for being in the summer season. Daytime temperatures are expected to be around 24°C, cooling off to about 15°C at night.

Precipitation

Saku in September usually receives heavy rainfall, averaging around 194 mm for the month. Historically, approximately 19 days this month are expected to have rain.

Average sunshine

The month experiences a moderate amount of sunlight, with 142 hours hours. A nice balance between sunshine and clouds.

Should you favor a climate that's both dry and comfortably warm May and August typically offer the most agreeable circumstances. On the other hand, January, February, March and December tend to be characterized by conditions that may not be as optimal.

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

 

Saku, monthly averages in September

Min Temperature 15°C  

Max Temperature 24°C  

Chance of Rain 65%  

Precipitation 194 mm  

Rainy days 19 days  

Humidity 74% *  

Sunshine 142 hours *  

Percentage Sunshine *  

Data from: Nagano, Japan (54 KM, 33 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.

Weather conditions Weather

Temperatures

Precipitation

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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 Saku, 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 Saku.

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.