Isesaki weather in September (Gunma, Japan)

Interested in knowing the climate of Isesaki in September? Is now the perfect time to visit? Find all the weather insights for this month on this page.

Temperatures

In September, Isesaki tends to experience high temperatures and heavy rainfall. The summer season takes place during September. The temperature during the day can rise to approximately 27°C. At night, it falls to around 19°C.

Precipitation

Isesaki in September falls under the rainy season with heavy rainfall, averaging around 224 mm for the month. Expect the heaviest rain of the year this month, often arriving in intense bursts. A poncho is essential for keeping dry. You can typically expect 20 days days of rain this month, based on climate records.

Average sunshine

Expect a moderate amount of sunlight, with approximately 163 hours. This means a pleasant mix of sun and clouds.

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 and March tend to be characterized by conditions that may not be as optimal.

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

 

Isesaki, monthly averages in September

Min Temperature 19°C  

Max Temperature 27°C  

Chance of Rain 67%  

Precipitation 224 mm  

Rainy days 20 days  

Humidity 74% *  

Sunshine 163 hours *  

Percentage Sunshine *  

Data from: Kōchi, Japan (56 KM, 35 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 Isesaki.

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.