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

In September, Sapporo averages 23°C high / 15°C low with about 131 mm of rain; Sendai averages 26°C high / 19°C low with about 166 mm.

Sapporo vs Sendai in September

Sapporo is the better pick in September — 86 vs 73 on SeasonMap's comfort score. Sapporo is warm, rainy, clean air, while Sendai is warm, soaked, clean air.

Sapporo vs Sendai — September climate, side by side

	🇯🇵 Sapporo	🇯🇵 Sendai
Comfort score	86/100 (A)	73/100 (B)
Feels-like high	24°C	28°C
Avg high / low	23° / 15°	26° / 19°
Rainfall	131 mm	166 mm
Rainy days	13	16
Humidity	82%	85%
Air quality (AQI)	36	38

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

Month by month

Sapporo 🇯🇵 Japanwarm, rainy, clean air · best June86
Sendai 🇯🇵 Japanwarm, soaked, clean air · best May73

Sapporo vs Sendai in September — FAQ

Is September better in Sapporo or Sendai?: Sapporo is the better pick in September — 86 vs 73 on SeasonMap's comfort score. Sapporo is warm, rainy, clean air, while Sendai is warm, soaked, clean air.
What is the weather like in Sapporo vs Sendai in September?: In September, Sapporo averages 23°C high / 15°C low with about 131 mm of rain; Sendai averages 26°C high / 19°C low with about 166 mm.