Busan September weather
Busan, South Korea · September
Forecast checks help keep coastal plans stable
September often mixes late-summer warmth with cooler evenings, so comfort can swing within the month.
Typhoon influence can bring strong wind and heavy rain, disrupting coastal routes and viewpoint time.
September averages at a glance
Average low
around 19–22°C
Average high
around 25–28°C
Average rainfall
around 120–220 mm
Wet days
about 6–10 days
What to wear in September in Busan
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Short sleeves by day with a thin layer at night works well.
- • Folding umbrella and water-safe pouch help on unsettled days.
Travel tips for visiting Busan in September
- • If typhoon forecasts appear, reduce reliance on coastal routes and keep indoor backups ready.
- • After rain, humidity can rebound—schedule slack helps.
September weather in Busan — FAQ
Q. Do I need long sleeves in September?
A. Often short sleeves are fine in daytime, but evenings can feel cool. A thin layer keeps it flexible.
Q. Is Busan dangerous in typhoons?
A. It depends. Strong wind and waves make coastal routes risky—pivoting indoors is safer.
Explore Busan
These pages are connected so you can compare conditions and decide for yourself.