Kosai weather in September (Shizuoka, Japan)

Is September a good time to explore Kosai weather-wise? Discover if this is the best time for your journey with our detailed monthly weather breakdown.

Temperatures

The month of September in Kosai typically includes high temperatures and heavy rainfall. The month of September belongs to the summer season. Expect the temperatures during the day to hover around 29°C. At night, they will likely drop to about 22°C. Expect some days to be hotter than these averages. Stay cool by wearing light clothing and drinking plenty of water throughout the day.

Precipitation

Kosai in September usually receives heavy rainfall, averaging around 256 mm for the month. According to historical climate patterns, there are usually around 18 days days of rain.

Average sunshine

The month experiences a moderate amount of sunlight, with 169 hours hours. A nice balance between sunshine and clouds.

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

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

 

Kosai, monthly averages in September

Min Temperature 22°C  

Max Temperature 29°C  

Chance of Rain 58%  

Precipitation 256 mm  

Rainy days 18 days  

Humidity 74% *  

Sunshine 169 hours *  

Percentage Sunshine *  

Data from: Hamamatsu, Japan (18 KM, 11 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?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

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

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.