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

In September, Osaka averages 30°C high / 23°C low with about 171 mm of rain; Sapporo averages 23°C high / 15°C low with about 131 mm.

Osaka vs Sapporo in September

Sapporo is the better pick in September — 86 vs 61 on SeasonMap's comfort score. Sapporo is warm, rainy, clean air, while Osaka is sweltering, soaked, muggy air.

Osaka vs Sapporo — September climate, side by side

	🇯🇵 Osaka	🇯🇵 Sapporo
Comfort score	61/100 (C)	86/100 (A)
Feels-like high	34°C	24°C
Avg high / low	30° / 23°	23° / 15°
Rainfall	171 mm	131 mm
Rainy days	13	13
Humidity	78%	82%
Air quality (AQI)	65	36

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

Month by month

Osaka 🇯🇵 Japansweltering, soaked, muggy air · best November61
Sapporo 🇯🇵 Japanwarm, rainy, clean air · best June86

Osaka vs Sapporo in September — FAQ

Is September better in Osaka or Sapporo?: Sapporo is the better pick in September — 86 vs 61 on SeasonMap's comfort score. Sapporo is warm, rainy, clean air, while Osaka is sweltering, soaked, muggy air.
What is the weather like in Osaka vs Sapporo in September?: In September, Osaka averages 30°C high / 23°C low with about 171 mm of rain; Sapporo averages 23°C high / 15°C low with about 131 mm.