Kai weather in September (Yamanashi, Japan)

How does the September weather in Kai compare to other months? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

In September, Kai typically experiences high temperatures and heavy rainfall. September is part of the summer season. As the day progresses, temperatures can peak at 24°C. Luckily at nightfall, they typically drop to 15°C.

Precipitation

Kai in September usually receives heavy rainfall, averaging around 232 mm for the month. Prepare for intense rain this month, as it marks the peak rainfall period. Having a poncho will keep you dry through the downpours. This month experiences about 19 days of rain according to historical data.

Average sunshine

The month brings about 142 hours of sunlight, offering a comfortable mix of sun and shade.

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

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

 

Kai, monthly averages in September

Min Temperature 15°C  

Max Temperature 24°C  

Chance of Rain 62%  

Precipitation 232 mm  

Rainy days 19 days  

Humidity 72% *  

Sunshine 142 hours *  

Percentage Sunshine *  

Data from: Kofu, Japan (6 KM, 4 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 Kai, 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 Kai.

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.