Welcome to your ultimate travel guide for visiting Korea in September! This month is one of the best times to experience the beauty and culture of Korea, as the weather begins to cool down and the vibrant autumn season starts to set in.
From the bustling cities to the serene countryside, Korea offers a perfect mix of modern attractions and traditional charm. Whether you're here for the fall royal palace tours, firework festival, scenic hikes, or shopping sprees, this guide will help you make the most of your September trip to Korea.
South Korea in September | 2025
💄 K-Beauty: Hair Salons, Skin Clinics, etc.
Other Monthly Guides
Weather in September
Early September (September 1–15)
Highs: Generally ranging from 29 °C to 33 °C (mid-upper 80s to low 90s °F). For example:
Sep 1: 29 °C (83 °F)
Sep 3: 33 °C (92 °F)
Sep 9–11: around 28–30 °C
Lows: Typically between 19 °C and 24 °C (mid-60s to mid-70s °F). For instance:
Sep 1: 22 °C (72 °F)
Sep 3: 24 °C (76 °F)
Sep 9: 18 °C (65 °F)
Conditions: A mix of heat and humidity, with several days featuring rain, thunderstorms, and scattered showers.
Late September (Estimated)
Expect a gradual cooling trend as autumn approaches, with highs likely dipping to around 25–28 °C (77–82 °F) and lows falling to about 16–20 °C (61–68 °F) toward the end of the month.
Rainfall and humidity may remain, though less intense than early September.
In Seoul, September marks the transition from summer to autumn, bringing cooler temperatures and less humidity compared to the hot and humid summer months. Here's what you can generally expect:
General Weather - The skies in September are often clearer, with more sunshine as autumn begins to take hold. The weather is generally pleasant, making it a good time for outdoor activities.
Overall, September in Seoul is mild and increasingly comfortable as the month goes on, with a mix of warm days and cooler evenings.
For a guide on what clothes to pack for Korea, check out this blog here!
Things to Do in Korea: September Edition
✨ Royal Palace Night Tours ✨
For a limited period, the major royal palaces in Seoul are extending their visiting hours into the night, inviting guests to explore their enchanting beauty after dark.
The experience is further enhanced by special tours, some of which include traditional meals and access to limited areas within the palace. This year, the event will be open starting in late September!
Creatrip is the official affiliated platform for this event and is the only place you can get these foreigner-exclusive tickets. Check out the link below and make sure to secure your tickets if you want to go because they are running out fast!
Get tickets for the tours here:
[스팟] [Creatrip Only] 2025 Changdeokgung Moonlight Tour | Foreigners Only
[스팟] 2025 Gyeongbokgung Palace Court Music Concert ㅣExclusive Tickets for Foreigners
[스팟] 2025 Autumn Royal Culture Festival Gyeongbokgung Hanbok Royal BanquetㅣFree EventㅣExclusively for Foreigners
[스팟] 2025 Autumn K-Royal Culture Festival | Exclusive tickets for foreign visitors
More tours to be open soon!
Seoul International Fireworks Festival 🎇
Date: Saturday, September 27th, 2025
Time: 13:00 - 21:30 KST
Address: 330 Yeouidong-ro, Yeongdeungpo District, Seoul
서울 영등포구 여의동로 330
The Seoul International Fireworks Festival is one of the biggest events in Korea, held at Yeouido Han River Park. You can see a spectacular fireworks show over the famous Han River! It is a grand celebration in Seoul that we highly recommend checking out if you're traveling to Seoul in September.
The weather is too perfect to stay in! Let's go outside!
We’re blessed with perfect weather in September, making it the ideal time to soak it all in before the intense cold of the Korean winter sets in. Here are some favorite activities that locals love to enjoy this month:
Picnics at Han River Park
There’s something special about having a picnic by the Han River. The city skyline paired with a cool breeze offers a refreshing escape from the daily grind.
Most Koreans like to rent a picnic set for their outings at the Han River, and you can do the same! Check out the link below if you’d like to rent a stylish picnic set for yourself:
Hiking For the Views
Did you know that 70% of Korea is covered in mountains? That’s why there are so many accessible hiking trails throughout the country! Hiking is a popular hobby in Korea, especially in the fall, and it’s an experience that tourists can enjoy just as much as the locals.
Here are some of the best hiking spots in Seoul that are easy to access:
- Bukhansan National Park (Difficulty: Moderate to Difficult) - A top hiking destination with varying trails, highlighted by the challenging Baegundae Peak and stunning summit views.
- Inwangsan Mountain (Difficulty: Moderate) - Features unique rock formations and offers a short, moderately challenging hike with panoramic city views.
- Gwanaksan Mountain (Difficulty: Moderate to Difficult) - Steep and rocky trails lead to rewarding views of Seoul and the Han River, favored by experienced hikers.
- Bukaksan Mountain (Difficulty: Moderate) - Located behind the Blue House, this hike offers historical significance and stunning views of Seoul.
- Achasan Mountain (Difficulty: Easy to Moderate) - Ideal for sunrise hikes, with easy trails and beautiful views of the Han River.
- Ansan Mountain (Difficulty: Easy to Moderate) - A leisurely hike near Yonsei University with well-maintained trails and scenic views of Seoul.
Olive Young Big Bang Sale
Sale Duration: Aug. 29 ~ Sept. 5, 2025
Olive Young holds four mega sales each year, one in March, June, September, and December. The September sale is expected to run from August 29 to September 5. With nearly all products heavily discounted, be sure to leave some extra room in your suitcase!
Check out Creatrip's Olive Young recommendations in the link below!
Are you missing the Big Bang Sale this September? Don't worry because they have sales all month long! Check out what sales you can take advantage of in the link below!
Before you head to Olive Young for your skin care haul, head to a skin clinic to get an in-depth skin analysis to know what your skin really needs so you spend your money on the right products! Check out Creatrip's most popular skin clinics in the link below!
Knowing your personal color: Why do you need to?
Getting a personal color analysis can be a game-changer for your style and confidence. By understanding which colors complement your unique skin tone, eye color, and hair color, you can make more informed choices when shopping for clothes and makeup.
This not only helps you look your best but also saves time and money by guiding you toward pieces that truly enhance your natural features. Whether you're buying a new wardrobe or updating your makeup collection, a personal color analysis ensures that every purchase flatters you, making you feel more confident and put-together every day.
You can book an appointment at the best foreigner-friendly personal color analysis studios right here on Creatrip! Here are some of our favorites:
[스팟] COLORIZE Myeongdong Main Branch | Personal Color Analysis
Check out our full list here:
We hope that this blog was helpful! If you have any questions or concerns, please leave a comment below or send us an email at help@creatrip.com! You can follow us on Instagram, TikTok, Twitter, and Facebook to stay updated on all things Korea!
