Hiroshima Weather in September

Season: Early autumn

Hiroshima weather in September is still hot, although the temperature slightly decreases to 22-28℃ (71.6-82.4℉) averagely. To late September, it can be cool and pleasant. September is a high month of typhoons in Hiroshima. Accidental typhoons bring more rainfall, while the humidity remains high as 68%. Except the typhoon days, it is mostly sunny. Short-sleeve clothes are OK to wear in Hiroshima in September, and a thin coat can be topped during late days.


Averages for Hiroshima Weather in September

Temperature: 25°C / 77°F
High Temperature: 28°C / 82.4°F
Low Temperature: 22°C / 71.6°F
Humidity: 68%
Rainfall: 165 mm
Rainy Days: 10 days
Sunrise: 05:43 ~ 06:04
Sunset: 17:56 ~ 18:35

Clothes to Wear in Hiroshima in September

As September remains somewhat hot in Hiroshima, short-sleeve shirts are still proper to wear. Other suitable clothes include T-shirt, cropped pants, and light casual pants. To late September, a thin outwear is needed for the lower temperature, like a thin coat, hoodie, or thin knitwear. A folded umbrella, raincoat, or other rain gears should be prepared in case of raining days.
Hiroshima Clothes in September September Wear in Hiroshima

Top Places to Go in Hiroshima in September

Recommendation Rate: 

Museum of Contemporary Art is worth a visit for a local arts safari. For a foodie who is fond of local cuisine, Wood Egg Okonomiyaki Museum is a great place to learn everything about Hiroshima-style okonomiyaki, including its history and how to cook it. Miyajima is always a popular destination in Hiroshima with the world cultural heritage Itsukushima-jinja Shrine, which possesses a giant torii on sea. To mid-September, Serakogen Dahlia and Chrysanthemum Festival starts; thus, one can admire the natural charm of dahlia and chrysanthemum at Serakogen Farm.


1. As sunshine is still strong in September in Hiroshima, sunscreen is a necessity.

2. Keep an eye on the local weather forecast to avoid typhoon days on your Hiroshima tour.
- Last updated on Aug. 30, 2023 by Nancy He -