Hiroshima weather in September (Hiroshima, Japan)
Looking to travel to Hiroshima in September? This guide provides all the details you need.
In September, Hiroshima typically experiences high temperatures and heavy rainfall. September is a summer month. Daytime temperatures hover around 28°C, while nights can cool down to about 20°C.
Hiroshima in September usually receives heavy rainfall, averaging around 194 mm for the month. Typically around 16 days of rainfall is expected.
The area experiences a moderate amount of sunshine, with approximately 169 hours of sunlight expected. This makes it neither too gloomy nor overly bright.
In case you lean more towards enjoying temperate temperatures and rain-free days May and October typically offer the most optimal weather. In contrast, January, February and July tend to have 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
28°C
Chance of Rain
54%
Precipitation
194 mm
Rainy days
16 days
Humidity
68% *
Sunshine
169 hours *
Percentage Sunshine
43% *
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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Hiroshima 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.
Interested in more climate information?
Weather and Climate 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 climate conditions. Find out where to go with our weather planner.
