Zao Onsen weather in September (Yamagata, Japan)

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

In September, Zao Onsen typically experiences high temperatures and high rainfall. September is a summer month. Daytime temperatures hover around 25°C, while nights can cool down to about 16°C.

Zao Onsen in September usually receives high rainfall, averaging around 153 mm for the month. Typically around 20 days of rainfall is expected.

The area experiences a moderate amount of sunshine, with approximately 127 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

Should you favor a climate that's both dry and comfortably warm May typically offers 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 Zao Onsen climate page with graphs.

 

Zao Onsen, monthly averages in September

Min Temperature 16°C  

Max Temperature 25°C  

Chance of Rain 68%  

Precipitation 153 mm  

Rainy days 20 days  

Humidity 79% *  

Sunshine 127 hours *  

Percentage Sunshine 32% *  

* Data from: Sendai, Japan (45 KM, 28 Miles).

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

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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 Zao Onsen in September?

For visitors traveling to Zao Onsen, 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.

Swimming

7/10

Camping

6/10

Interested in more climate information?

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

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.