South Korea in September: Weather, Festivals and Tips

South Korea’s weather transitions from summer to fall in September. Temperatures typically range from 20°C (68°F ) to 26°C (79°F), which are ideal for sightseeing and outdoor activities. While the southern regions, such as Busan and Jeju Island, may experience slightly milder temperatures ranging from 20°C (68°F) to 24°C (75°F), the northern areas, including Seoul, may see temperatures around 20°C (68°F ) to 26°C (79°F). Overall, the weather in South Korea in September is perfect for exploring the country’s top attractions, scenic landscapes, and rich culture.

For a more seasonal overview, check out our guide on the best time to visit South Korea.

Besides beautiful fall weather, there are several compelling reasons to plan a trip to South Korea in September. Here are some of them:

• Chuseok celebrations: Immerse yourself in the heart of Korean culture during Chuseok, the harvest festival marked by traditional ceremonies, delicious feasts, and a festive atmosphere. Engage in traditional ceremonies where families visit the tombs of their ancestors to pay their respects.
• Korea International Art Fair: Explore the vibrant culture of South Korea in September through the prestigious Korea International Art Fair (KIAF). As a beacon of artistic excellence, KIAF attracts global art enthusiasts to Seoul, where galleries converge to showcase a diverse array of contemporary and traditional masterpieces. Wander through curated exhibitions, engage with renowned artists, and witness the evolution of Korean artistry.
• Scenic hiking trails: Navigate through lush mountain trails, where emerald-green foliage rustles in the breeze, creating a symphony of nature's whispers. Venture along coastal paths that unveil breathtaking seascapes or hike the beautiful mountainside, immersing yourself in the captivating beauty of South Korea's diverse terrains.
• Lower costs and fewer crowds: Wander through popular attractions with newfound tranquility as September sees fewer tourist crowds in South Korea. Explore the popular sights and attractions at your own unhurried pace. Fewer tourist numbers also mean affordable accommodations.

In September, South Korea unfolds many experiences beyond its lively festivities. On sunny days, venture into the beautiful landscapes of Seoraksan National Park, where rugged mountains and vibrant foliage create a breathtaking panorama. Explore scenic hiking trails and discover the serene beauty of South Korean nature. The park is also a haven for wildlife, offering a glimpse of rare species against the backdrop of its natural wonders.

September is also one of the best times for sightseeing tours in Seoul. Visit iconic landmarks like Gyeongbokgung Palace, where the changing colors of fall enhance its timeless allure. Enjoy cultural performances or explore the ancient charm of Bukchon Hanok Village without the usual crowds, making your cultural immersion truly fabulous.

For those with an extended itinerary, there's ample opportunity to delve into other major cities and prominent attractions. Head east to explore the bustling markets and enriching museums of Daegu, or book a trip to Busan and unwind on the tranquil beaches, now blissfully free from the usual summer crowds. To the west lies Jeonju, a historical gem revealing South Korea's rich heritage through cultural sites and a hanok village boasting over 800 traditional Korean homes. Opt for a leisurely cross-country road trip by renting a car or seamlessly navigate the country using South Korea's extensive public transportation system, comprising buses and trains that efficiently connect to various destinations.

Need Help Planning a Trip to South Korea?

From the tranquil beauty of national parks to the vibrant pulse of urban cities, South Korea in September offers a diverse palette of activities. For those looking for a more personalized travel experience, reach out to our local travel experts to plan a customized trip to South Korea.