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

In September, Niseko averages 23°C high / 12°C low with about 125 mm of rain; Osaka averages 30°C high / 23°C low with about 171 mm.

Niseko vs Osaka in September

Osaka is the better pick in September — 61 vs 13 on SeasonMap's comfort score. Osaka is sweltering, soaked, muggy air, while Niseko is warm, rainy, clean air.

Niseko vs Osaka — September climate, side by side

	🇯🇵 Niseko	🇯🇵 Osaka
Comfort score	13/100 (F)	61/100 (C)
Feels-like high	24°C	34°C
Avg high / low	23° / 12°	30° / 23°
Rainfall	125 mm	171 mm
Rainy days	12	13
Humidity	84%	78%
Air quality (AQI)	32	65

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

Month by month

Niseko 🇯🇵 Japanwarm, rainy, clean air · best January13
Osaka 🇯🇵 Japansweltering, soaked, muggy air · best November61

Niseko vs Osaka in September — FAQ

Is September better in Niseko or Osaka?: Osaka is the better pick in September — 61 vs 13 on SeasonMap's comfort score. Osaka is sweltering, soaked, muggy air, while Niseko is warm, rainy, clean air.
What is the weather like in Niseko vs Osaka in September?: In September, Niseko averages 23°C high / 12°C low with about 125 mm of rain; Osaka averages 30°C high / 23°C low with about 171 mm.