Hiroshima weather in September

In September, Hiroshima has an average high of 29.1°C (84°F) and an average low of 21.1°C (70°F). Expect about 9 rainy days (163 mm, 6.4 in of rain for the month). Daytime highs are 3.7°C cooler than in August.

Average high29.1°C / 84°F
Average low21.1°C / 70°F
Daily average24.7°C / 76°F
Rain163 mm / 6.4 in
Rainy days (1 mm or more)9 days
Sunshine167 hours in the month
Days of 30°C (86°F) or more13 days
Nights of 25°C (77°F) or more3 nights

Averages for 1991–2020 at the Japan Meteorological Agency's Hiroshima weather station. Individual years vary.

What's in bloom in September

No cherry blossoms, plum blossoms or autumn colors are usually out in Hiroshima in September. Coming up in November: autumn colors.

What to wear

Light summer clothes. Bring a small umbrella; showers are common.

Hiroshima month by month

← August ·All 12 months ·October →

Other cities in September

CityHigh / lowRainy days
Tokyo28° / 20°C11
Kyoto29° / 21°C10
Osaka30° / 22°C10
Nara29° / 20°C10
Fukuoka29° / 22°C10
Nagoya29° / 21°C11
Sendai25° / 18°C11
Sapporo23° / 15°C10
Naha31° / 26°C12

See Japan weather in September for all regions.

Source: Japan Meteorological Agency climate normals 1991–2020 and phenological observations (processed by Japan Bloom Calendar). Not a forecast.