Pack or skip
Rain jacket for Busan in September
Verdict
Pack it
Around 10 rainy days — a shell keeps you moving between subway stops.
Why
Busan in September averages highs of 77°F, lows of 66°F, 10 rainy days.
That climate means a rain jacket earns its space in the bag. Around 10 rainy days — a shell keeps you moving between subway stops.