Shimonoseki weather in September (Yamaguchi, Japan)

Planning a trip to Shimonoseki in September? This guide provides all the details you need.

In September, Shimonoseki typically experiences high temperatures and heavy rainfall. September is a summer month. Throughout the day, temperatures typically settle at around 27°C. But by evening, they drop to around 23°C.

Shimonoseki in September usually receives heavy rainfall, averaging around 177 mm for the month. Rain is expected on roughly 18 days.

The area enjoys a balanced 157 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. May, September, October and November generally stand out with the best circumstances. While January, February and June tend to showcase less optimal conditions.

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

 

Shimonoseki, monthly averages in September

Min Temperature 23°C  

Max Temperature 27°C  

Chance of Rain 58%  

Precipitation 177 mm  

Rainy days 18 days  

Sunshine 157 hours *  

Percentage Sunshine *  

* Data from: Kitakyushu, Japan (18 KM, 11 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 Shimonoseki in September?

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 in September.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

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

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.