What is the weather like in Hiroshima vs Osaka in September?

In September, Hiroshima averages 30°C high / 22°C low with about 221 mm of rain; Osaka averages 30°C high / 23°C low with about 171 mm.

Hiroshima vs Osaka in September

Hiroshima and Osaka are nearly tied in September — 63 vs 61 on SeasonMap's comfort score. Hiroshima is hot, soaked, clean air; Osaka is sweltering, soaked, muggy air.

Hiroshima vs Osaka — September climate, side by side

	🇯🇵 Hiroshima	🇯🇵 Osaka
Comfort score	63/100 (C)	61/100 (C)
Feels-like high	33°C	34°C
Avg high / low	30° / 22°	30° / 23°
Rainfall	221 mm	171 mm
Rainy days	15	13
Humidity	82%	78%
Air quality (AQI)	43	65

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Hiroshima vs Osaka in September — FAQ

Is September better in Hiroshima or Osaka?: Hiroshima and Osaka are nearly tied in September — 63 vs 61 on SeasonMap's comfort score. Hiroshima is hot, soaked, clean air; Osaka is sweltering, soaked, muggy air.
What is the weather like in Hiroshima vs Osaka in September?: In September, Hiroshima averages 30°C high / 22°C low with about 221 mm of rain; Osaka averages 30°C high / 23°C low with about 171 mm.