Gyeonggi-do (Gwangmyeong)
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 28.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26 °C by the end of September.
The climate of Gyeonggi-do in September is notably wet, with an average of 15 rainy days, and a total of 146.8 mm of precipitation.
Temperatures
Rain 🌧️
15
Dry days
15
Rainy days
0
Snow days
28°/21°
Temperatures
12 km/h
Avg max wind
69 %
Avg humidity
Gyeonggi-do in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  24° | 3 29° | 4  31° | 5 29° | 6 28° | 7 31° |
| 8 32° | 9 31° | 10 33° | 11  35° | 12 27° | 13 24° | 14 29° |
| 15 29° | 16 31° | 17 29° | 18 29° | 19 30° | 20  27° | 21 19° |
| 22 22° | 23 24° | 24 25° | 25 25° | 26 26° | 27 26° | 28 27° |
| 29 26° | 30 27° |
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Temperatures trend during September in Gyeonggi-do
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 30° /23° | 0 mm | 7 | |
| 2 Sept. | Light rain shower | 24° /21° | 1.4 mm | 5 | |
| 3 Sept. | Patchy rain possible | 29° /22° | 0.4 mm | 6 | |
| 4 Sept. | Partly cloudy | 31° /21° | 0 mm | 8 | |
| 5 Sept. | Light rain shower | 29° /23° | 1 mm | 6 | |
| 6 Sept. | Patchy rain possible | 28° /23° | 0.8 mm | 6 | |
| 7 Sept. | Patchy rain possible | 31° /22° | 0.2 mm | 7 | |
| 8 Sept. | Partly cloudy | 32° /22° | 0 mm | 8 | |
| 9 Sept. | Patchy rain possible | 31° /23° | 0.2 mm | 7 | |
| 10 Sept. | Partly cloudy | 33° /24° | 0 mm | 8 | |
| 11 Sept. | Sunny | 35° /25° | 0 mm | 9 | |
| 12 Sept. | Light rain shower | 27° /24° | 7.5 mm | 6 | |
| 13 Sept. | Light rain shower | 24° /22° | 17.6 mm | 5 | |
| 14 Sept. | Light rain shower | 29° /23° | 5.2 mm | 6 | |
| 15 Sept. | Light rain shower | 29° /23° | 5.1 mm | 6 | |
| 16 Sept. | Patchy rain possible | 31° /21° | 0.2 mm | 7 | |
| 17 Sept. | Light rain shower | 29° /25° | 4.9 mm | 6 | |
| 18 Sept. | Light rain shower | 29° /25° | 5.1 mm | 6 | |
| 19 Sept. | Light rain shower | 30° /24° | 12.9 mm | 7 | |
| 20 Sept. | Moderate or heavy rain shower | 27° /18° | 17.6 mm | 6 | |
| 21 Sept. | Light rain shower | 19° /16° | 60.8 mm | 4 | |
| 22 Sept. | Patchy rain possible | 22° /18° | 0.1 mm | 5 | |
| 23 Sept. | Sunny | 24° /15° | 0 mm | 6 | |
| 24 Sept. | Sunny | 25° /16° | 0 mm | 7 | |
| 25 Sept. | Partly cloudy | 25° /17° | 0 mm | 7 | |
| 26 Sept. | Patchy rain possible | 26° /20° | 3.4 mm | 6 | |
| 27 Sept. | Patchy rain possible | 26° /18° | 2.2 mm | 6 | |
| 28 Sept. | Partly cloudy | 27° /18° | 0 mm | 7 | |
| 29 Sept. | Sunny | 26° /18° | 0 mm | 7 | |
| 30 Sept. | Partly cloudy | 27° /19° | 0 mm | 7 | |
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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.
Gyeonggi-do in September - FAQ
What are the expected maximum and minimum temperatures in Gyeonggi-do during September?
During September, expect a variety of temperatures with highs around 28° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Gyeonggi-do during September?
Significant rainfall exceeding 146.8 mm is expected in Gyeonggi-do during September, occurring over more than 15 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 12 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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