Jeonju weather in September

September in Jeonju: hot, soaked, with muggy air — fine if you can take 11 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Jeonju🇰🇷 South Korea · Korea · City71
  1. 54Jan
  2. 63Feb
  3. 73Mar
  4. 84Apr
  5. 90May
  6. 74Jun
  7. 51Jul
  8. 57Aug
  9. 71Sep
  10. 84Oct
  11. 76Nov
  12. 60Dec

#7 of 12 months in Jeonju · #934 of 1413 destinations to visit in September · comfort 71/100 (tier B)

Days
27°C
Nights
18°C
Wet days
11
Sun
7.9 h
Humidity
80%
Daylight
12 h
Jeonju, South Korea
Photo: Jakob Jin · Pexels

Traveller notes on Jeonju in September

Other months in Jeonju

Forum posters describe November across South Korea as bringing crisp air, vibrant fall foliage and comfortable temperatures generally in the 15-20C range, cooler than October as the country heads toward winter. Posters specifically discussing a mid-November Hanok (traditional guesthouse) stay in Jeonju raised real concerns about whether these characterful but often less-insulated rooms stay genuinely warm enough once temperatures drop, particularly flagging cold bathrooms as a common complaint. Posters generally recommend confirming heating arrangements directly with a Hanok host before booking a November stay, given how much this can vary between properties. Posters generally rate November as mild and scenic overall for Jeonju, with real comfort caveats specifically tied to traditional Hanok-style accommodation rather than the weather itself.
Tripadvisor community · November · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe Korean spring as a clear improvement over the exposed, tiring heat of summer, when walking the open grounds of a hanok village becomes genuinely draining - May sits squarely in that more comfortable window. At the Jeonju Hanok Village itself, posters recommend weekdays and evenings over weekends, when the more than 800 traditional houses and narrow streets fill up with visitors renting bikes and scooters; even a rain shower gets described favorably here, bringing out an earthy wet-wood-and-soil atmosphere that regulars say enhances the traditional charm rather than ruining the visit. A hanok-stay overnight is the most commonly recommended way to experience the neighborhood beyond a quick daytime walkthrough.
Tripadvisor community · May · 1 month ago · Read more on Tripadvisor ↗

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Jeonju climate normals — September

Daytime high27°C / 81°F🥵 hot
Nighttime low18°C / 65°F
Feels like (high)30°C / 86°F
Rainfall172 mm / 6.8 in⛈ soaked
Rainy days11 days
Humidity80%💦 very humid
Dew point18°C / 64°F
Sunshine7.9 h/day
Daylight12.4 h
Wind12 km/h / 7 mph
Air quality (US AQI)67🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Jeonju in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsHanok village day-tripper season, Chuseok, Chuseok in South Korea(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Jeonju's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherJeonju's best weather comes in April, May and October — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

What's on in Jeonju in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Hanok village day-tripper season

    1 Mar – 30 Nov · usuallyDay-tripper crushCrowded

    The hanok village runs on coach parties and rented hanbok from late morning to late afternoon, and empties completely after dark. Stay the night inside it and you get the lanes to yourself.

  • Holiday

    Chuseok

    24–26 SepNational holidayClosuresBook earlyCrowded

    Chuseok, the autumn harvest festival, is a three-day public holiday when Koreans travel home. Train and express bus tickets sell out as soon as they go on sale, highways jam, and many small restaurants and shops close for the holiday, while big attractions stay open. Source ↗

What's on around the world in September →

Nearby, and something's on

Within 300 km of Jeonju — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Jeonju?

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Jeonju in September — FAQ

Is September a good time to visit Jeonju?
September in Jeonju: hot, soaked, with muggy air — fine if you can take 11 rainy days. It ranks #7 of 12 months for Jeonju on SeasonMap's comfort score (71/100).
What is the weather like in Jeonju in September?
In September, Jeonju averages a daily high of 27.2°C and a low of 18.3°C, with about 172.4 mm of rain over roughly 11.1 rainy days.
What is the air quality in Jeonju in September?
Jeonju has a mean US Air Quality Index of about 67 in September.

Within 300 km: Busan's Chuseok on 24–26 Sep, and Seoul's Chuseok on 24–26 Sep.