Jeonju-si (Jeonju)
September
Weather in Jeonju-si for September 2026
Your guide to Jeonju-si weather in September - trends and predictions
Until now, September 2026 in Jeonju-si is slightly cooler than the historical average by 1.8 °C.
Expect cooler weather in the next days in Jeonju-si with the forecast suggesting a temperature of 25.1 °C, lower than the historical average.
In general, the average temperature in Jeonju-si at the beginning of September is 29.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.9 °C by the end of September.
Jeonju-si experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 149.1 mm.
Temperatures
Rain 🌧️
8
Dry days
22
Rainy days
0
Snow days
27°/18°
Temperatures
10 km/h
Avg max wind
82 %
Avg humidity
Jeonju-si Weather September
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Temperatures trend during September in Jeonju-si
See the weather trend as well as the moving average line
September weather in Jeonju-si day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 29° /18° | 3.4 mm | 5 | |
| 2 Sept. | Light rain shower | 29° /18° | 5.3 mm | 5 | |
| 3 Sept. | Light rain shower | 30° /19° | 4 mm | 5 | |
| 4 Sept. | Light rain shower | 29° /18° | 3.2 mm | 7 | |
| 5 Sept. |  Sunny | 30° /18° | 0.1 mm | 8 | |
| 6 Sept. | Patchy rain possible | 29° /19° | 4.4 mm | 7 | |
| 7 Sept. | Sunny | 28° /16° | 5 mm | 7 | |
| 8 Sept. | Sunny | 28° /16° | 0.1 mm | 7 | |
| 9 Sept. | Sunny | 28° /17° | 1.3 mm | 7 | |
| 10 Sept. | Patchy rain possible | 29° /16° | 0.3 mm | 6 | |
| 11 Sept. | Patchy rain possible | 30° /18° | 2.5 mm | 6 | |
| 12 Sept. |  Overcast | 28° /18° | 3.7 mm | 5 | |
| 13 Sept. |  Fog | 26° /19° | 4.2 mm | 5 | |
| 14 Sept. | Patchy rain possible | 29° /19° | 3.6 mm | 6 | |
| 15 Sept. | Sunny | 24° /15° | 0 mm | 7.1 | |
| 16 Sept. | Overcast | 27° /14° | 0 mm | 6.4 | |
| 17 Sept. | Overcast | 25° /15° | 0 mm | 7.1 | |
| 18 Sept. | Overcast | 26° /15° | 0 mm | 6 | |
| 19 Sept. | Sunny | 27° /14° | 0.1 mm | 7 | |
| 20 Sept. | Sunny | 26° /13° | 0 mm | 7 | |
| 21 Sept. | Sunny | 27° /13° | 0 mm | 7 | |
| 22 Sept. | Sunny | 26° /13° | 1.9 mm | 7 | |
| 23 Sept. | Mist | 25° /16° | 0 mm | 6 | |
| 24 Sept. | Sunny | 27° /14° | 0 mm | 7 | |
| 25 Sept. | Overcast | 26° /15° | 0 mm | 6 | |
| 26 Sept. | Overcast | 27° /16° | 0 mm | 6 | |
| 27 Sept. | Overcast | 20° /15° | 7.4 mm | 4 | |
| 28 Sept. | Light rain shower | 18° /13° | 6.7 mm | 4 | |
| 29 Sept. | Patchy rain possible | 25° /13° | 0 mm | 6 | |
| 30 Sept. | Patchy rain possible | 24° /13° | 0.1 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Jeonju-si 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 Jeonju-si forecast closer to your planned date for the most up-to-date weather information.
Change Month
Jeonju-si in September - FAQ
What are the expected maximum and minimum temperatures in Jeonju-si during September?
During September, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jeonju-si during September?
Significant rainfall exceeding 149.1 mm is expected in Jeonju-si during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Jeonju-si during September?
The average wind speed in Jeonju-si during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Jeonju-si
Explore the daily rainfall trends and prepare for Jeonju-sis September weather 💧
Typically, Jeonju-si has 22 rainy days in September with a total of 149.1 mm of rainfall.
UV exposure in Jeonju-si during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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