When to go · Jangheung
Jangheung in September
Great month. Inside Jangheung's best window: Late May–early Jul, Aug–late Sep (check October).
Key facts
- Verdict
- Great
- Temperature
- 27°C (80°F)80°F (27°C) / 17°C (62°F)62°F (17°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- South Korea overall
- Prices
- Medium
- South Korea overall
Verdict
Inside Jangheung's best window: Late May–early Jul, Aug–late Sep (check October).
Is another month better than September?
No other month rates higher than September for Jangheung in this guide.
Weather in September
- JangheungHighs around 26.9 °C (80 °F), lows around 16.5 °C (62 °F), rain on about 9 daysHighs around 80 °F (26.9 °C), lows around 62 °F (16.5 °C), rain on about 9 days
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.
Compare two months
Weather, crowds and prices for any two months in Jangheung, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 26.9 °C (80 °F)80 °F (26.9 °C)
May: 23.6 °C (74 °F)74 °F (23.6 °C)
Night low
Sep: 16.5 °C (62 °F)62 °F (16.5 °C)
May: 11.3 °C (52 °F)52 °F (11.3 °C)
Rain days
Sep: 9
May: 9
Crowds
Sep: Medium
May: High
Prices
Sep: Medium
May: High
Festivals listed
Sep: 1
May: 0
September: Inside Jangheung's best window: Late May–early Jul, Aug–late Sep (check October).
May: Inside Jangheung's best window: Late May–early Jul, Aug–late Sep (check October).
Jangheung: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.