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

In September, Osaka averages 30°C high / 23°C low with about 171 mm of rain; Yakushima averages 22°C high / 21°C low with about 207 mm.

Osaka vs Yakushima in September

Yakushima is the better pick in September — 67 vs 61 on SeasonMap's comfort score. Yakushima is nice, soaked, clean air, while Osaka is sweltering, soaked, muggy air.

Osaka vs Yakushima — September climate, side by side

	🇯🇵 Osaka	🇯🇵 Yakushima
Comfort score	61/100 (C)	67/100 (C)
Feels-like high	34°C	23°C
Avg high / low	30° / 23°	22° / 21°
Rainfall	171 mm	207 mm
Rainy days	13	18
Humidity	78%	80%
Air quality (AQI)	65	45

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

Month by month

Osaka vs Yakushima in September — FAQ

Is September better in Osaka or Yakushima?: Yakushima is the better pick in September — 67 vs 61 on SeasonMap's comfort score. Yakushima is nice, soaked, clean air, while Osaka is sweltering, soaked, muggy air.
What is the weather like in Osaka vs Yakushima in September?: In September, Osaka averages 30°C high / 23°C low with about 171 mm of rain; Yakushima averages 22°C high / 21°C low with about 207 mm.