When to go · Hongdo
Hongdo in September
Great month. Inside Hongdo's best window: Apr–Oct.
Key facts
- Verdict
- Great
- Temperature
- 23°C (73°F)73°F (23°C) / 16°C (61°F)61°F (16°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- South Korea overall
- Prices
- Medium
- South Korea overall
Verdict
Inside Hongdo's best window: Apr–Oct.
Is another month better than September?
No other month rates higher than September for Hongdo in this guide.
Weather in September
- HongdoHighs around 23 °C (73 °F), lows around 16 °C (61 °F), rain on about 8 daysHighs around 73 °F (23 °C), lows around 61 °F (16 °C), rain on about 8 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 Hongdo, side by side.
Verdict
Sep: Great
Apr: Great
Daytime high
Sep: 23 °C (73 °F)73 °F (23 °C)
Apr: 15 °C (59 °F)59 °F (15 °C)
Night low
Sep: 16 °C (61 °F)61 °F (16 °C)
Apr: 7 °C (45 °F)45 °F (7 °C)
Rain days
Sep: 8
Apr: 7 (better)
Crowds
Sep: Medium
Apr: High
Prices
Sep: Medium
Apr: High
Festivals listed
Sep: 1
Apr: 0
September: Inside Hongdo's best window: Apr–Oct.
April: Inside Hongdo's best window: Apr–Oct.
Hongdo: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.