When to go · Gangneung
Gangneung in September
Great month. Inside Gangneung's best window: May–Jun, Sep–Oct.
Key facts
- Verdict
- Great
- Temperature
- 25°C77°F / 16°C61°F
- average high / low
- Rain days
- 10
- Crowds
- Medium
- South Korea overall
- Prices
- Medium
- South Korea overall
Verdict
GreatBest and avoid months for Gangneung
Inside Gangneung's best window: May–Jun, Sep–Oct.
Weather in September
- GangneungHighs around 25 °C, lows around 16 °C, rain on about 10 daysHighs around 77 °F, lows around 61 °F, rain on about 10 days
- Gangwon mountains and east coast, South Korea · Sokcho, Seoraksan, Gangneung, Pyeongchangbest weather
Coldest region: ski season Dec–Feb, peak autumn colour mid-October in Seoraksan; summer beaches crowded in late Jul – Aug.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Chuseok (harvest festival) big impact
Chuseok: 24–26 Sep 2026 (passed); about 14–16 Sep 2027 (check) · South Korea
Same three-day shutdown as Seollal; the largest travel peak of the year.
Crowds and prices
- Crowds · South Korea overall
- Medium
- Prices · South Korea overall
- Medium
South Korea overall: Heat eases; typhoon risk remains and Chuseok shuts the country for 3 days in many years.
What to pack
- A rain jacket or umbrella and shoes that dry fast