Busan vs Jeju in September

Jeju is the better pick in September — 69 vs 65 on SeasonMap's comfort score. Jeju is hot, soaked, muggy air, while Busan is hot, soaked, clean air.

Busan vs JejuSeptember climate, side by side

BusanJeju
Comfort score65/100 (C)69/100 (C)
Feels-like high30°C30°C
Avg high / low27° / 21°27° / 22°
Rainfall237 mm239 mm
Rainy days1315
Humidity79%81%
Air quality (AQI)4762

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

Busan vs Jeju in September — FAQ

Is September better in Busan or Jeju?
Jeju is the better pick in September — 69 vs 65 on SeasonMap's comfort score. Jeju is hot, soaked, muggy air, while Busan is hot, soaked, clean air.
What is the weather like in Busan vs Jeju in September?
In September, Busan averages 27°C high / 21°C low with about 237 mm of rain; Jeju averages 27°C high / 22°C low with about 239 mm.