Busan vs Incheon in September

Incheon is the better pick in September — 76 vs 65 on SeasonMap's comfort score. Incheon is warm, rainy, muggy air, while Busan is hot, soaked, clean air.

Busan vs IncheonSeptember climate, side by side

BusanIncheon
Comfort score65/100 (C)76/100 (B)
Feels-like high30°C28°C
Avg high / low27° / 21°26° / 19°
Rainfall237 mm148 mm
Rainy days139
Humidity79%80%
Air quality (AQI)4773

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

Busan vs Incheon in September — FAQ

Is September better in Busan or Incheon?
Incheon is the better pick in September — 76 vs 65 on SeasonMap's comfort score. Incheon is warm, rainy, muggy air, while Busan is hot, soaked, clean air.
What is the weather like in Busan vs Incheon in September?
In September, Busan averages 27°C high / 21°C low with about 237 mm of rain; Incheon averages 26°C high / 19°C low with about 148 mm.