Click on a day for an hourly weather forecast
The temperatures in Jeonju in September are comfortable with low of 16°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Jeonju during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Jeonju in September 2025.
If you’re planning to visit Jeonju in the near future, we highly recommend that you review the 14 day weather forecast for Jeonju before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -5° | 3 | 27 | 0 | 6 mm | Bad | Jeonju in January |
| February | 7° / -2° | 3 | 25 | 1 | 11 mm | Ok | Jeonju in February |
| March | 12° / 1° | 4 | 27 | 0 | 20 mm | Ok | Jeonju in March |
| April | 18° / 6° | 4 | 26 | 0 | 33 mm | Good | Jeonju in April |
| May | 24° / 11° | 4 | 27 | 0 | 27 mm | Perfect | Jeonju in May |
| June | 27° / 17° | 5 | 25 | 0 | 38 mm | Perfect | Jeonju in June |
| July | 29° / 21° | 11 | 20 | 0 | 97 mm | Ok | Jeonju in July |
| August | 30° / 21° | 11 | 20 | 0 | 83 mm | Ok | Jeonju in August |
| September | 26° / 16° | 6 | 24 | 0 | 51 mm | Perfect | Jeonju in September |
| October | 20° / 9° | 3 | 28 | 0 | 22 mm | Good | Jeonju in October |
| November | 13° / 4° | 4 | 26 | 0 | 17 mm | Ok | Jeonju in November |
| December | 5° / -2° | 4 | 27 | 1 | 9 mm | Bad | Jeonju in December |