What is the weather like in Hiroshima vs Nikko in September?

In September, Hiroshima averages 30°C high / 22°C low with about 221 mm of rain; Nikko averages 24°C high / 18°C low with about 242 mm.

Hiroshima vs Nikko in September

Nikko is the better pick in September — 70 vs 63 on SeasonMap's comfort score. Nikko is warm, soaked, clean air, while Hiroshima is hot, soaked, clean air.

Hiroshima vs Nikko — September climate, side by side

	🇯🇵 Hiroshima	🇯🇵 Nikko
Comfort score	63/100 (C)	70/100 (B)
Feels-like high	33°C	27°C
Avg high / low	30° / 22°	24° / 18°
Rainfall	221 mm	242 mm
Rainy days	15	23
Humidity	82%	88%
Air quality (AQI)	43	38

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

Month by month

Hiroshima 🇯🇵 Japanhot, soaked, clean air · best October63
Nikko 🇯🇵 Japanwarm, soaked, clean air · best May70

Hiroshima vs Nikko in September — FAQ

Is September better in Hiroshima or Nikko?: Nikko is the better pick in September — 70 vs 63 on SeasonMap's comfort score. Nikko is warm, soaked, clean air, while Hiroshima is hot, soaked, clean air.
What is the weather like in Hiroshima vs Nikko in September?: In September, Hiroshima averages 30°C high / 22°C low with about 221 mm of rain; Nikko averages 24°C high / 18°C low with about 242 mm.