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

In September, Hiroshima averages 30°C high / 22°C low with about 221 mm of rain; Okinawa averages 31°C high / 25°C low with about 192 mm.

Hiroshima vs Okinawa in September

Okinawa is the better pick in September — 75 vs 63 on SeasonMap's comfort score. Okinawa is sweltering, soaked, clean air, while Hiroshima is hot, soaked, clean air.

Hiroshima vs Okinawa — September climate, side by side

	Hiroshima	Okinawa
Comfort score	63/100 (C)	75/100 (B)
Feels-like high	33°C	34°C
Avg high / low	30° / 22°	31° / 25°
Rainfall	221 mm	192 mm
Rainy days	15	17
Humidity	82%	81%
Air quality (AQI)	43	37

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

Hiroshima vs Okinawa in September — FAQ

Is September better in Hiroshima or Okinawa?: Okinawa is the better pick in September — 75 vs 63 on SeasonMap's comfort score. Okinawa is sweltering, soaked, clean air, while Hiroshima is hot, soaked, clean air.
What is the weather like in Hiroshima vs Okinawa in September?: In September, Hiroshima averages 30°C high / 22°C low with about 221 mm of rain; Okinawa averages 31°C high / 25°C low with about 192 mm.