Month guide · Hiroshima · Japan
Hiroshima in September
What September is really like in Hiroshima: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Quick answer
September is a quieter month with trade-offs. Expect average highs of 29°C (84°F), lows of 21°C (70°F), about 9 rainy days and roughly 12.3 hours of daylight. Still hot early in the month, with typhoon risk; quieter after school holidays.
Key facts
- Average high / low
- 29°C (84°F) / 21°C (70°F)
- Rainy days
- About 9
- Daylight
- About 12.3 hours
- Crowds
- Moderate
- Hotel prices
- Average
Weather in September
September is the 3rd-warmest month in Hiroshima: days average 29°C (84°F) against a yearly average high of 21°C (70°F), and nights fall to about 21°C (70°F). Rain falls on roughly 9 of its 30 days. Compared with August (33°C (91°F)), September is cooler; by October highs drop to around 24°C (75°F).
- Sunrise (15 September)
- About 05:53
- Sunset (15 September)
- About 18:17
- Daylight
- About 12.3 hours
Autumn (September–November). Hot early September giving way to clear, comfortable October days and red maples on Miyajima in November.
Crowds and prices
On a 1–5 scale, September rates 3 for crowds (the peak is April at 4) and 3 for hotel prices (highest in April). Prices sit in the middle of the year's range.
Events in September
September has no major recurring festival in Hiroshima, which usually means easier bookings.
What to do in September
Mild, settled days suit walking, viewpoints and time outdoors.
Museum · Peace Park and Hondori
Hiroshima Peace Memorial Museum
Go at opening or in the late afternoon; school groups pack the galleries from mid-morning, especially in spring and autumn.
- Time needed
- 2 hours
- Cost
- Low cost
- History
- Rainy day
- Iconic
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Religious site · Miyajima
Itsukushima Shrine
The vermilion halls and corridors of this UNESCO-listed shrine stand on piers over the tidal flats of Miyajima, so at high tide they appear to float.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- Iconic
- History
- Architecture
- Photo spot
- Couples
Landmark · Peace Park and Hondori
Children's Peace Monument
Fold a paper crane beforehand and leave it at the booths, as many visitors do.
- Time needed
- 20 minutes
- Cost
- Free
- History
- Free
- Kids
Religious site · Miyajima
Daisho-in Temple
On the slopes behind Itsukushima Shrine, Daisho-in is Miyajima's most important Buddhist temple, with hundreds of small jizō statues in knitted caps, prayer wheels on the stair rails and a cave hall lined with lanterns.
- Time needed
- 45 minutes
- Cost
- Free
- Free
- History
- Photo spot
- Off the beaten path
What to pack
For highs near 29°C, lows near 21°C and 9 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a packable rain jacket for showers; comfortable walking shoes.
Is September a good time to visit Hiroshima?
A quieter month with trade-offs. If your dates are flexible, March–May and October–November are better overall. Compare every month.
Hiroshima in other months
Questions travellers ask
+Is September a good time to visit Hiroshima?
It is a quieter month with trade-offs. Still hot early in the month, with typhoon risk; quieter after school holidays.
+How warm is Hiroshima in September?
Average highs are around 29°C (84°F) and lows around 21°C (70°F).
+Does it rain a lot in Hiroshima in September?
Expect rain on about 9 days of the month.