Seoul weather
Our guide to the weather in Seoul during September
We've looked at the most up-to-date weather data for Seoul, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Seoul weather in September.
How warm is it in Seoul during September?
The temperature reaches around 26℃ during the daytime in September, falling away to 18℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Seoul during September?
On average, there will be 5 rainy days during the month, amounting to 171.8mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Seoul during September?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.
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Seoul Blog posts
From the UK's most popular travel bloggers
Is Seoul Sky Worth Visiting? Lotte World Tower Observatory Guide
11th August 2023 by I'm just a girl 16
If you're planning a trip to Seoul and considering a visit to the Lotte World Tower Observatory, this comprehensive guide has all the information you need about the Seoul Sky Observation Deck inside the tower. Whenever our travel blogger visits Seoul, they make it a point to explore this iconic attraction. Find out if it's worth your time and money in this guide to the Lotte World Tower Observatory. The post Is Seoul Sky Worth Visiting? Lotte World Tower Observatory Guide appeared first on I'm...
The best DMZ day tour from Seoul to go on
2nd June 2019 by The Wandering Quinn
When I said on twitter that I’d be visiting South Korea a fair few people said that I needed to go on a tour to the DMZ when I was in Seoul and I’m so glad I did! North Korea has interested me for awhile and whilst I didn’t know that much about it and don’t stay up to date on current affairs I have seen Youtube videos from travellers that have been on a full tours there (because that’s the only way you visit!). It’s one of the most closed off Countries in the world, that’s enough...
Free and budget things to do in Seoul that you cannot miss!
31st May 2019 by The Wandering Quinn
You may be pleasantly surprised to hear just how many free things there are to do in Seoul and although not everything is free, there are some awesome budget things to do in Seoul too! I spent 3 days exploring Seoul - the Capital City of South Korea on my 10 Day Backpacking trip of South Korea and I really enjoyed my time in the City! Seoul is big but not too big. It’s really easy to get around on the metro. It’s cool and modern but traditional too! The recipe for a great City! So let’s...
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