Kofu weather in September (Yamanashi, Japan)

Looking to travel to Kofu in September? Check out this comprehensive weather guide.

In September, Kofu typically experiences high temperatures and heavy rainfall. September is a summer month. Daytime temperatures hover around 24°C, while nights can cool down to about 15°C.

Kofu in September falls under the rainy season with heavy rainfall, averaging around 240 mm for the month. In this month, the heaviest downpours of the year are not uncommon. Carrying a poncho might be your best bet to stay dry. Based on our climate data of the past 30 years, about 19 days of rain are anticipated.

The area enjoys a balanced 142 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

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

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

 

Kofu, monthly averages in September

Min Temperature 15°C  

Max Temperature 24°C  

Chance of Rain 62%  

Precipitation 240 mm  

Rainy days 19 days  

Humidity 72%  

Sunshine 142 hours  

Percentage Sunshine  

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 Kofu in September?

For visitors traveling to Kofu, 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 Kofu.

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.