Gangneung weather in September: what to wear and pack

• Compact umbrella — rain on about 10 days this month
• Swimwear and a rash guard — sea water around 23°C (73°F) — cool but swimmable
• Plug adapter (if needed) — Korea uses 220V with Type C/F round two-pin sockets

Better weather elsewhere in Korea in September

• Incheon in September — 4 fewer rainy days, fewer heavy-rain days (6 rainy days, high 26°C (79°F))
• Seoul in September — 3 fewer rainy days, fewer heavy-rain days (7 rainy days, high 27°C (80°F))
• Jeonju in September — 2 fewer rainy days, fewer heavy-rain days (7 rainy days, high 28°C (82°F))

Will it rain on your travel dates?

Pick your arrival and departure dates. We look up the same dates over the last 30 years.

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• Sep 14 – Sep 16 — Chuseok (harvest festival) holidays

Seollal and Chuseok are Korea's biggest holidays. Trains and highways are packed, many shops and restaurants close for a day or two, but palaces and big malls usually stay open. Book KTX tickets early.