What is the weather like in Nagano vs Tokyo in September?

In September, Nagano averages 27°C high / 18°C low with about 200 mm of rain; Tokyo averages 28°C high / 21°C low with about 160 mm.

Nagano vs Tokyo in September

Nagano is the better pick in September — 71 vs 66 on SeasonMap's comfort score. Nagano is hot, soaked, clean air, while Tokyo is hot, soaked, muggy air.

Nagano vs Tokyo — September climate, side by side

	🇯🇵 Nagano	🇯🇵 Tokyo
Comfort score	71/100 (B)	66/100 (C)
Feels-like high	30°C	30°C
Avg high / low	27° / 18°	28° / 21°
Rainfall	200 mm	160 mm
Rainy days	18	15
Humidity	86%	82%
Air quality (AQI)	33	68

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

Month by month

Nagano 🇯🇵 Japanhot, soaked, clean air · best May71
Tokyo 🇯🇵 Japanhot, soaked, muggy air · best May66

Nagano vs Tokyo in September — FAQ

Is September better in Nagano or Tokyo?: Nagano is the better pick in September — 71 vs 66 on SeasonMap's comfort score. Nagano is hot, soaked, clean air, while Tokyo is hot, soaked, muggy air.
What is the weather like in Nagano vs Tokyo in September?: In September, Nagano averages 27°C high / 18°C low with about 200 mm of rain; Tokyo averages 28°C high / 21°C low with about 160 mm.