Year heatmap
One city, twelve months: how the weather rates, how crowded and expensive it gets, and what is on. Tap a month to see what each cell is based on.
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Seoul across the year
Best-looking months for Seoul: Apr, May, Oct. Rated avoid: Jul, Aug.
- JanMixedLowLow1 event
- FebMixedMediumMedium1 event
- MarMixedMediumMedium2 events
- AprGreatHighHigh4 events
- MayGreatHighHigh5 events
- JunMixedMediumMedium2 events
- JulAvoidHighHigh3 events
- AugAvoidHighHigh2 events
- SepMixedMediumMedium1 event
- OctGreatHighHigh4 events
- NovGoodMediumMedium2 events
- DecMixedMediumMedium2 events
Green is good news, amber needs planning, red is a month to avoid. A dashed grey cell with a question mark means our data does not say: it is left unknown, never filled in. Crowd and price levels come from the country's month table, so they are the same for every city in it.
September in Seoul
Typical highs 26°C (79°F)79°F (26°C), lows 18°C (64°F)64°F (18°C), rain on about 9 days.
- WeatherMixed
- Still warm; Chuseok some years. Typical highs around 26 °C, lows around 18 °C, rain on about 9 days.Based on: Voykit month rating for Seoul
- CrowdsMedium
- Medium crowd level: South Korea overall. Heat eases; typhoon risk remains and Chuseok shuts the country for 3 days in many years.Based on: South Korea overall month table, not a city measurement
- PricesMedium
- Medium price level: South Korea overall.Based on: South Korea overall month table, not a city measurement
- Events1 event
- 1 listed: Chuseok (harvest festival).Based on: Festival and holiday lists
What is on
- Chuseok (harvest festival) (15th of the 8th lunar month; around 14–16 September in 2027)checkThree-day holiday: Seoul empties, many local restaurants close, palaces and museums mostly open.