What is the weather like in Gangneung vs Jeju in September?

In September, Gangneung averages 25°C high / 17°C low with about 221 mm of rain; Jeju averages 27°C high / 22°C low with about 239 mm.

Gangneung vs Jeju in September

Gangneung is the better pick in September — 74 vs 69 on SeasonMap's comfort score. Gangneung is warm, soaked, clean air, while Jeju is hot, soaked, muggy air.

Gangneung vs Jeju — September climate, side by side

	Gangneung	Jeju
Comfort score	74/100 (B)	69/100 (C)
Feels-like high	27°C	30°C
Avg high / low	25° / 17°	27° / 22°
Rainfall	221 mm	239 mm
Rainy days	14	15
Humidity	81%	81%
Air quality (AQI)	43	62

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

Gangneung vs Jeju in September — FAQ

Is September better in Gangneung or Jeju?: Gangneung is the better pick in September — 74 vs 69 on SeasonMap's comfort score. Gangneung is warm, soaked, clean air, while Jeju is hot, soaked, muggy air.
What is the weather like in Gangneung vs Jeju in September?: In September, Gangneung averages 25°C high / 17°C low with about 221 mm of rain; Jeju averages 27°C high / 22°C low with about 239 mm.