Incheon
September
Weather in Incheon for September 2027
Your guide to Incheon weather in September - trends and predictions
In general, the average temperature in Incheon at the beginning of September is 28.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.6 °C by the end of September.
Incheon experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 117.8 mm.
Is September a good time to visit Incheon? check out the best time to travel to Incheon page.
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
27°/21°
Temperatures
15 km/h
Avg max wind
65 %
Avg humidity
Incheon Weather September
Move between months or click on a day
Temperatures trend during September in Incheon
See the weather trend as well as the moving average line
September weather in Incheon day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 27° /22° | 6.7 mm | 5 | |
| 2 Sept. |  Cloudy | 27° /22° | 0.3 mm | 6 | |
| 3 Sept. |  Patchy rain possible | 30° /23° | 1.6 mm | 7 | |
| 4 Sept. | Patchy rain possible | 30° /23° | 1.5 mm | 7 | |
| 5 Sept. |  Sunny | 30° /23° | 0.2 mm | 8 | |
| 6 Sept. | Patchy rain possible | 30° /23° | 1.5 mm | 7 | |
| 7 Sept. | Sunny | 29° /22° | 0.2 mm | 7 | |
| 8 Sept. | Sunny | 29° /22° | 0 mm | 8 | |
| 9 Sept. |  Partly cloudy | 29° /22° | 0 mm | 7 | |
| 10 Sept. | Partly cloudy | 28° /21° | 0 mm | 7 | |
| 11 Sept. | Cloudy | 29° /21° | 0 mm | 6 | |
| 12 Sept. |  Moderate rain | 27° /21° | 16.1 mm | 5 | |
| 13 Sept. | Moderate rain | 25° /20° | 14.4 mm | 5 | |
| 14 Sept. | Patchy rain possible | 27° /21° | 1.2 mm | 6 | |
| 15 Sept. |  Overcast | 27° /20° | 0.9 mm | 6 | |
| 16 Sept. | Light rain | 27° /20° | 7.2 mm | 6 | |
| 17 Sept. | Light rain | 27° /22° | 7.5 mm | 5 | |
| 18 Sept. | Patchy rain possible | 27° /22° | 0.7 mm | 5 | |
| 19 Sept. | Light rain | 27° /21° | 6.2 mm | 6 | |
| 20 Sept. | Light rain | 25° /19° | 7 mm | 6 | |
| 21 Sept. | Moderate rain | 24° /18° | 16.8 mm | 5 | |
| 22 Sept. | Overcast | 25° /19° | 0.1 mm | 6 | |
| 23 Sept. | Sunny | 26° /19° | 0.1 mm | 6.9 | |
| 24 Sept. | Light rain | 25° /19° | 6.5 mm | 6 | |
| 25 Sept. | Light rain | 25° /19° | 6.7 mm | 5 | |
| 26 Sept. | Moderate rain | 24° /19° | 6.5 mm | 5 | |
| 27 Sept. | Patchy rain possible | 25° /20° | 0.4 mm | 6 | |
| 28 Sept. | Light rain | 25° /19° | 7.3 mm | 5 | |
| 29 Sept. | Partly cloudy | 24° /18° | 0.1 mm | 6 | |
| 30 Sept. | Cloudy | 25° /19° | 0.2 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Incheon 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 Incheon forecast closer to your planned date for the most up-to-date weather information.
Change Month
Incheon in September - FAQ
What are the expected maximum and minimum temperatures in Incheon during September?
During September, expect a variety of temperatures with highs around 27° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Incheon during September?
Significant rainfall exceeding 117.8 mm is expected in Incheon during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Incheon during September?
The average wind speed in Incheon during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Incheon
Explore the daily rainfall trends and prepare for Incheons September weather 💧
Typically, Incheon has 8 rainy days in September with a total of 117.8 mm of rainfall.
UV exposure in Incheon during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Incheon weather pages
You are here
Where is Incheon?Get accurate weather forecasts for Incheon, located at latitude 37.456 and longitude 126.705. Stay updated with localized weather information tailored for Incheon.
Found a mistake?
We appreciate your attention to details. Tell us here.