Hiroshima weather in September (Hiroshima, Japan)

Thinking of visiting Hiroshima in September? Check the weather first! Use this page to get an overview of the month’s weather conditions.

Temperatures

In September, Hiroshima usually has high temperatures and heavy rainfall. During September, the summer season is in full swing. During the daylight hours, temperatures often reach 29°C. After dark they usually decrease to around 20°C.

Precipitation

Hiroshima in September usually receives heavy rainfall, averaging around 170 mm for the month. Historically, approximately 16 days this month are expected to have rain.

Average sunshine

Expect a moderate amount of sunlight, with approximately 169 hours. This means a pleasant mix of sun and clouds.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Hiroshima. April, May, September, October and November typically offer the best circumstances. While January and July tend to showcase less optimal conditions.

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

 

Hiroshima, monthly averages in September

Min Temperature 20°C  

Max Temperature 29°C  

Chance of Rain 54%  

Precipitation 170 mm  

Rainy days 16 days  

Humidity 68%  

Windspeed 7 km/h  

Sunshine 169 hours  

Percentage Sunshine 43%  

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 Hiroshima.

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.