Gyeonggi-do (Gapyeong)
September
Weather in Gyeonggi-do for September 2025
Your guide to Gyeonggi-do weather in September - trends and predictions
In general, the average temperature in Gyeonggi-do at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.9 °C by the end of September.
The climate of Gyeonggi-do in September is notably wet, with an average of 13 rainy days, and a total of 167.9 mm of precipitation.
Temperatures
Rain 🌧️
17
Dry days
13
Rainy days
0
Snow days
26°/14°
Temperatures
8 km/h
Avg max wind
84 %
Avg humidity
Gyeonggi-do Weather September
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What’s the Weather Like in Gyeonggi-do This September?
Discover the average temperatures and weather trends across Gyeonggi-do’s cities this September.
Temperatures trend during September in Gyeonggi-do
See the weather trend as well as the moving average line
September weather in Gyeonggi-do day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Fog | 30° /15° | 0 mm | 7 | |
| 2 Sept. |  Moderate rain | 23° /15° | 8.1 mm | 5 | |
| 3 Sept. |  Patchy rain possible | 28° /14° | 0.3 mm | 6 | |
| 4 Sept. |  Sunny | 30° /11° | 0 mm | 8 | |
| 5 Sept. | Patchy rain possible | 28° /18° | 0.3 mm | 6 | |
| 6 Sept. |  Light drizzle | 21° /16° | 1.3 mm | 5 | |
| 7 Sept. | Patchy rain possible | 30° /16° | 1.3 mm | 7 | |
| 8 Sept. | Mist | 31° /16° | 0 mm | 7 | |
| 9 Sept. | Fog | 31° /16° | 0 mm | 7 | |
| 10 Sept. | Patchy rain possible | 32° /18° | 0.1 mm | 7 | |
| 11 Sept. | Patchy rain possible | 34° /18° | 0 mm | 7 | |
| 12 Sept. | Light rain shower | 24° /18° | 6.7 mm | 5 | |
| 13 Sept. | Light rain shower | 24° /18° | 24.1 mm | 5 | |
| 14 Sept. | Light rain shower | 27° /18° | 7.8 mm | 6 | |
| 15 Sept. | Light rain shower | 27° /16° | 0.9 mm | 6 | |
| 16 Sept. |  Overcast | 29° /15° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 25° /19° | 9 mm | 6 | |
| 18 Sept. | Light rain shower | 26° /19° | 8.2 mm | 6 | |
| 19 Sept. | Light rain shower | 28° /19° | 15.9 mm | 6 | |
| 20 Sept. | Light rain shower | 25° /12° | 24.6 mm | 6 | |
| 21 Sept. |  Heavy rain | 17° /11° | 56.9 mm | 4 | |
| 22 Sept. | Patchy rain possible | 20° /11° | 0.1 mm | 5 | |
| 23 Sept. | Mist | 22° /6° | 0 mm | 5 | |
| 24 Sept. |  Cloudy | 24° /6° | 0 mm | 5 | |
| 25 Sept. | Patchy rain possible | 25° /9° | 0.1 mm | 6 | |
| 26 Sept. | Patchy rain possible | 26° /15° | 1.5 mm | 6 | |
| 27 Sept. | Fog | 25° /12° | 0.4 mm | 6 | |
| 28 Sept. | Mist | 24° /11° | 0 mm | 5 | |
| 29 Sept. | Mist | 25° /9° | 0 mm | 6 | |
| 30 Sept. | Patchy rain possible | 25° /12° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Gyeonggi-do 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 Gyeonggi-do forecast closer to your planned date for the most up-to-date weather information.
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Gyeonggi-do in September - FAQ
What are the expected maximum and minimum temperatures in Gyeonggi-do during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Gyeonggi-do during September?
Significant rainfall exceeding 167.9 mm is expected in Gyeonggi-do during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gyeonggi-do during September?
The average wind speed in Gyeonggi-do during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Gyeonggi-do
Explore the daily rainfall trends and prepare for Gyeonggi-dos September weather 💧
UV exposure in Gyeonggi-do during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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