September marks the transition from summer to fall. This means that the weather tends to be unstable; it will still be hot and humid until around September 20. However, it suddenly becomes cooler in late September.

Frequently Asked Questions

Is September the best time to visit Hiroshima?

No. Hiroshima Prefecture has its best autumn sightseeing season from October to November, but September is not yet the season. September is still hot and humid, and there are many rainy days. A typhoon may hit. However, in return, hotel room rates are generally more reasonable than during the fall peak season.

What should I wear in Hiroshima in September?

September is a difficult month for us Japanese to choose what to wear. Basically, it is hot and humid, but it is quite cool on rainy days. So, it is advisable to wear mainly short-sleeved summer clothes and bring a light cardigan or jacket. For more information on summer and fall clothing in Japan, please refer to the following articles.

Weather in Hiroshima in early September

Sightseeing scenery that simply shows the weather and clothes in Hiroshima in september2

September 5, 2014: Many unidentified travelers visit famous great Torii gate in Miyajima, Japan = Shutterstock

Average temperature
Highest temperature
(Lowest temperature)
Total precipitation
(Total snowfall depth)
Hiroshima 26.5℃  (79.7°F)
30.9℃  (87.6°F)
23.0℃ (73.4°F)
62.9 mm (2.48inch)

※ Source: All figures are the average for 30 years of 1991-2020 announced by the Japan Meteorological Agency

Weather in Hiroshima in mid-September

Sightseeing scenery that simply shows the weather and clothes in Hiroshima in september3

Miyajima, Hiroshima, Japan – 15 September 2017: Japanese woman praying in front of a little shrine at Daisho-in temple = Shutterstock

Average temperature
Highest temperature
(Lowest temperature)
Total precipitation
(Total snowfall depth)
Hiroshima 24.8℃  (76.6°F)
29.3℃  (84.7°F)
21.3 ℃ (70.3°F)
47.8 mm (1.88 inch)

※Source:  All figures are the average for 30 years of 1991-2020 announced by the Japan Meteorological Agency

Weather in Hiroshima in late September

Sightseeing scenery that simply shows the weather and clothes in Hiroshima in september4

September 30, 2019: Japanese electric tram stopped at the Kamiyacho-nishi tram station in Hiroshima, Japan = Shutterstock

Average temperature
Highest temperature
(Lowest temperature)
Total precipitation
(Total snowfall depth)
Hiroshima 22.7℃  (72.9°F)
27.2℃  (81.0°F)
19.0℃ (66.2°F)
52.0 mm (2.05 inch)

※ Source: All figures are the average for 30 years of 1991-2020 announced by the Japan Meteorological Agency

What to wear in Japan during summer & autumn

For summer and autumn clothes, please refer to the following articles.

Monthly weather in Hiroshima

Below are articles about the weather in Hiroshima. Click on the month of interest to see articles about that month.

January February March
April May June
July August September
October November December

Weather in tourist destinations around Japan

Below are pages showing the climates of various regions in Japan at the same time of the year.

Tokyo Osaka Kyoto
Hokkaido Sendai Nagano
Nagoya Hiroshima Fukuoka
Okinawa

 

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