Hiroshima Weather in September

Japan · September climate averages and travel tips

Avg high27°C (81°F)
Avg low19°C (66°F)
Rainfall169 mm (6.7 in)
RatingFair 4.5/10

In September, Hiroshima has average highs of 27°C (81°F) and lows of 19°C (66°F). September is autumn (fall) in Japan. The month is wet, with about 169 mm (6.7 in) of rain spread over 12 days, making it the third wettest month of the year. Humidity averages 84%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.2 hours of daylight and frequently cloudy skies.

Is September a good time to visit Hiroshima?

September is a fair time to visit Hiroshima (4.5/10) mainly because of the rain. For better weather, go in October and November.

September weather at a glance

Average high27°C (81°F)
Average low19°C (66°F)
Daily mean23°C (73°F)
Rainfall169 mm (6.7 in)
Rainy days (1 mm+)12
Humidity84%
Cloud cover69%
Daylight12.2 hours
Est. sunshine4.2 hours/day
Wind6.6 km/h
vs August3°C cooler than August, with 29 mm more rain.

What to pack for Hiroshima in September

Hiroshima weather in other months

Jan8°C / 0°C60 mmFairFeb9°C / 0°C77 mmFairMar13°C / 2°C112 mmFairApr18°C / 7°C136 mmGoodMay23°C / 12°C144 mmGoodJun26°C / 17°C215 mmPoorJul30°C / 22°C277 mmPoorAug31°C / 23°C140 mmPoorSep27°C / 19°C169 mmFairOct22°C / 12°C103 mmExcellentNov16°C / 7°C83 mmGoodDec10°C / 1°C75 mmFair

← AugustBest time to visit HiroshimaOctober →

Better weather in September nearby

Nearby in September

Where else is good in September? See where to go in September.