Jeollanam-do (Incheon)
September
Weather in Jeollanam-do for September 2025
Your guide to Jeollanam-do weather in September - trends and predictions
In general, the average temperature in Jeollanam-do at the beginning of September is 29.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.7 °C by the end of September.
The climate of Jeollanam-do in September is notably wet, with an average of 14 rainy days.
Is September a good time to visit Jeollanam-do? check out the best time to travel to Jeollanam-do page.
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Temperatures
Rain 🌧️
More
16
Dry days
14
Rainy days
0
Snow days
29°/21°
Temperatures
12 km/h
Avg max wind
80 %
Avg humidity
Jeollanam-do in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  30° | 3 30° | 4  30° | 5  30° | 6  29° | 7 30° |
| 8  32° | 9 32° | 10 34° | 11 33° | 12 31° | 13 31° | 14 33° |
| 15 32° | 16 32° | 17 32° | 18 33° | 19 33° | 20  26° | 21 26° |
| 22 21° | 23 22° | 24 25° | 25 28° | 26 27° | 27  26° | 28 28° |
| 29 27° | 30 26° |
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Temperatures trend during September in Jeollanam-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. | Patchy rain possible | 29° /21° | 0.2 mm | 6 | |
| 2 Sept. | Overcast | 30° /19° | 0 mm | 6 | |
| 3 Sept. | Light rain shower | 30° /22° | 2 mm | 7 | |
| 4 Sept. | Partly cloudy | 30° /20° | 0 mm | 8 | |
| 5 Sept. | Sunny | 30° /20° | 0 mm | 8 | |
| 6 Sept. | Light drizzle | 29° /23° | 1.1 mm | 6 | |
| 7 Sept. | Light rain shower | 30° /23° | 4.1 mm | 7 | |
| 8 Sept. | Cloudy | 32° /21° | 0 mm | 7 | |
| 9 Sept. | Light rain shower | 32° /22° | 1.4 mm | 7 | |
| 10 Sept. | Patchy rain possible | 34° /22° | 0 mm | 7 | |
| 11 Sept. | Patchy light drizzle | 33° /24° | 0.7 mm | 7 | |
| 12 Sept. | Light rain shower | 31° /24° | 2.2 mm | 7 | |
| 13 Sept. | Patchy rain possible | 31° /23° | 0.2 mm | 7 | |
| 14 Sept. | Patchy rain possible | 33° /23° | 0.2 mm | 7 | |
| 15 Sept. | Light rain shower | 32° /23° | 8.9 mm | 7 | |
| 16 Sept. | Patchy rain possible | 32° /24° | 0.1 mm | 7 | |
| 17 Sept. | Light rain shower | 32° /23° | 7.2 mm | 7 | |
| 18 Sept. | Light rain shower | 33° /24° | 7.9 mm | 7 | |
| 19 Sept. | Partly cloudy | 33° /24° | 0 mm | 8 | |
| 20 Sept. | Moderate or heavy rain shower | 26° /24° | 61.1 mm | 6 | |
| 21 Sept. | Moderate or heavy rain shower | 26° /20° | 48.7 mm | 6 | |
| 22 Sept. | Light drizzle | 21° /20° | 3.2 mm | 5 | |
| 23 Sept. | Partly cloudy | 22° /16° | 0.3 mm | 6 | |
| 24 Sept. | Overcast | 25° /15° | 0 mm | 6 | |
| 25 Sept. | Patchy rain possible | 28° /17° | 0.2 mm | 6 | |
| 26 Sept. | Partly cloudy | 27° /18° | 0 mm | 7 | |
| 27 Sept. | Mist | 26° /18° | 0 mm | 6 | |
| 28 Sept. | Light drizzle | 28° /18° | 0.6 mm | 6 | |
| 29 Sept. | Patchy rain possible | 27° /18° | 0.1 mm | 6 | |
| 30 Sept. | Patchy rain possible | 26° /16° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Jeollanam-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 Jeollanam-do forecast closer to your planned date for the most up-to-date weather information.
Jeollanam-do in September - FAQ
What are the expected maximum and minimum temperatures in Jeollanam-do during September?
During September, expect a variety of temperatures with highs around 29° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jeollanam-do during September?
Significant rainfall exceeding 150.3 mm is expected in Jeollanam-do during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jeollanam-do during September?
The average wind speed in Jeollanam-do during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Jeollanam-do in September?
As you prepare for your trip to Jeollanam-do in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Jeollanam-do, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Jeollanam-do
Explore the daily rainfall trends and prepare for Jeollanam-dos September weather 💧
UV exposure in Jeollanam-do during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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