Seoul
September
Weather in Seoul for September 2027
Your guide to Seoul weather in September - trends and predictions
In general, the average temperature in Seoul at the beginning of September is 27.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.8 °C by the end of September.
Seoul experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 162.2 mm.
Is September a good time to visit Seoul? check out the best time to travel to Seoul page.
Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
0
Snow days
27°/19°
Temperatures
12 km/h
Avg max wind
65 %
Avg humidity
Seoul Weather September
Move between months or click on a day
Temperatures trend during September in Seoul
See the weather trend as well as the moving average line
September weather in Seoul day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate rain | 27° /20° | 14.2 mm | 6 | |
| 2 Sept. |  Patchy rain possible | 28° /20° | 0.7 mm | 6 | |
| 3 Sept. | Patchy rain possible | 29° /21° | 1.4 mm | 7 | |
| 4 Sept. |  Light rain | 28° /21° | 5 mm | 7 | |
| 5 Sept. |  Heavy rain | 28° /20° | 31 mm | 7 | |
| 6 Sept. | Moderate rain | 27° /21° | 22.5 mm | 6 | |
| 7 Sept. | Light rain | 27° /19° | 3 mm | 7 | |
| 8 Sept. |  Sunny | 29° /19° | 0 mm | 8 | |
| 9 Sept. | Sunny | 29° /20° | 0 mm | 8 | |
| 10 Sept. |  Partly cloudy | 29° /19° | 0 mm | 7 | |
| 11 Sept. |  Cloudy | 29° /20° | 0.2 mm | 6 | |
| 12 Sept. | Light rain | 27° /20° | 6.1 mm | 6 | |
| 13 Sept. | Light rain | 26° /20° | 8 mm | 5 | |
| 14 Sept. | Patchy rain possible | 28° /20° | 1.5 mm | 6 | |
| 15 Sept. | Patchy rain possible | 27° /20° | 1.2 mm | 6 | |
| 16 Sept. | Light rain | 26° /19° | 5.9 mm | 6 | |
| 17 Sept. | Light rain | 26° /21° | 6.7 mm | 5 | |
| 18 Sept. | Light rain shower | 28° /20° | 1.2 mm | 6 | |
| 19 Sept. | Light rain | 27° /19° | 4 mm | 6 | |
| 20 Sept. | Light rain | 25° /17° | 6.1 mm | 6 | |
| 21 Sept. | Moderate rain | 24° /17° | 17.7 mm | 6 | |
| 22 Sept. | Patchy rain possible | 25° /17° | 1.7 mm | 5 | |
| 23 Sept. | Partly cloudy | 25° /17° | 0.6 mm | 6 | |
| 24 Sept. | Light rain | 25° /17° | 4 mm | 6 | |
| 25 Sept. | Light rain | 24° /18° | 4.1 mm | 5 | |
| 26 Sept. | Light rain | 25° /18° | 3.9 mm | 5 | |
| 27 Sept. | Patchy rain possible | 25° /18° | 0.8 mm | 6 | |
| 28 Sept. | Light rain | 25° /17° | 5.3 mm | 5 | |
| 29 Sept. | Light rain | 25° /17° | 5.2 mm | 6 | |
| 30 Sept. | Sunny | 26° /17° | 0.2 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Seoul in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Seoul forecast closer to your planned date for the most up-to-date weather information.
Change Month
Seoul in September - FAQ
What are the expected maximum and minimum temperatures in Seoul during September?
During September, expect a variety of temperatures with highs around 27° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Seoul during September?
Significant rainfall exceeding 162.2 mm is expected in Seoul during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Seoul during September?
The average wind speed in Seoul during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Seoul
Explore the daily rainfall trends and prepare for Seouls September weather 💧
Typically, Seoul has 9 rainy days in September with a total of 162.2 mm of rainfall.
UV exposure in Seoul during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Seoul
Select a province for an accurate weather forecast
Top locations in Seoul
Select a location for an accurate weather forecast
More Locations Quick links
More Seoul weather pages
You are here
Where is Seoul?Get accurate weather forecasts for Seoul, located at latitude 37.566 and longitude 126.978. Stay updated with localized weather information tailored for Seoul.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.