When to go · Goyang
Goyang in September
Mixed month. Outside the best window (Apr–May, Oct). Across South Korea: Heat eases; typhoon risk remains and Chuseok shuts the country for 3 days in many years.
Key facts
- Verdict
- Mixed
- Temperature
- 27°C (81°F)81°F (27°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
Outside the best window (Apr–May, Oct). Across South Korea: Heat eases; typhoon risk remains and Chuseok shuts the country for 3 days in many years.
Is another month better than September?
September is rated mixed. These months rate higher:
- OctoberGreatInside Goyang's best window: Apr–May, Oct.
- AprilGreatInside Goyang's best window: Apr–May, Oct.
- MayGreatInside Goyang's best window: Apr–May, Oct.
- NovemberGoodOutside the best window (Apr–May, Oct). Across South Korea: Colour moves south to Seoul's palaces early in the month; cold arrives by the end.
Weather in September
- GoyangHighs around 27 °C (81 °F), lows around 16 °C (61 °F), rain on about 8 daysHighs around 81 °F (27 °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 Goyang, side by side.
Verdict
Sep: Mixed
Apr: Great (better)
Daytime high
Sep: 27 °C (81 °F)81 °F (27 °C)
Apr: 19 °C (66 °F)66 °F (19 °C)
Night low
Sep: 16 °C (61 °F)61 °F (16 °C)
Apr: 6 °C (43 °F)43 °F (6 °C)
Rain days
Sep: 8
Apr: 8
Crowds
Sep: Medium
Apr: High
Prices
Sep: Medium
Apr: High
Festivals listed
Sep: 1
Apr: 0
September: Outside the best window (Apr–May, Oct). Across South Korea: Heat eases; typhoon risk remains and Chuseok shuts the country for 3 days in many years.
April: Inside Goyang's best window: Apr–May, Oct.
Goyang: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.