Jeollabuk-do weather in September
September is a fair month to visit Jeollabuk-do: highs of 25°C (78°F) and about 134 mm (5.3 in) of rain on average. Nights average 17°C (62°F) and cloud cover 65% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the 4th warmest. Compared with August, it is cooler and drier; October brings highs of 20°C (67°F) and 56 mm (2.2 in) of rain.
Figures are long-term averages for Jeonju, the largest city in Jeollabuk-do. See below for other places.
Is September a good time to visit Jeollabuk-do?
fair month Weather score 65/100.
September is a fair month in Jeollabuk-do. The weather is usually best in Apr–May, Oct.
Does it rain a lot in Jeollabuk-do in September?
Some rain is normal: about 134 mm (5.3 in) falls in an average September. It is the 4th wettest month of the year.
How warm is Jeollabuk-do in September?
Days average 25°C (78°F) and nights 17°C (62°F).
Jeollabuk-do weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 3°C (37°F) | -5°C (23°F) | 27 mm | 57% | least pleasant |
| February | 5°C (42°F) | -4°C (26°F) | 39 mm | 57% | least pleasant |
| March | 11°C (51°F) | 0°C (31°F) | 50 mm | 56% | fair |
| April | 17°C (63°F) | 5°C (41°F) | 85 mm | 57% | best |
| May | 23°C (73°F) | 11°C (52°F) | 85 mm | 60% | best |
| June | 27°C (80°F) | 17°C (62°F) | 136 mm | 73% | fair |
| July | 29°C (84°F) | 21°C (70°F) | 317 mm | 78% | least pleasant |
| August | 29°C (85°F) | 22°C (72°F) | 261 mm | 70% | least pleasant |
| September | 25°C (78°F) | 17°C (62°F) | 134 mm | 65% | fair |
| October | 20°C (67°F) | 9°C (49°F) | 56 mm | 51% | best |
| November | 12°C (54°F) | 3°C (38°F) | 45 mm | 53% | fair |
| December | 5°C (41°F) | -3°C (27°F) | 32 mm | 55% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Jeollabuk-do in September
Weather can differ a lot within Jeollabuk-do: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Jeonju | 25°C (78°F) | 17°C (62°F) | 134 mm | fair |
| Iksan | 25°C (78°F) | 17°C (62°F) | 134 mm | best |
| Gunsan | 25°C (78°F) | 17°C (62°F) | 134 mm | best |
| Jeongeup | 25°C (77°F) | 16°C (60°F) | 136 mm | best |
| Wanju | 25°C (78°F) | 17°C (62°F) | 134 mm | fair |
| Nangen | 24°C (74°F) | 14°C (58°F) | 144 mm | best |
| Koch'ang | 25°C (77°F) | 16°C (60°F) | 136 mm | best |
| Kimje | 25°C (78°F) | 17°C (62°F) | 134 mm | best |
| Jinan-gun | 24°C (74°F) | 14°C (58°F) | 136 mm | best |
| Changsu | 24°C (74°F) | 14°C (58°F) | 144 mm | best |
| Imsil | 24°C (74°F) | 14°C (58°F) | 144 mm | best |
| Namsa | 25°C (78°F) | 17°C (62°F) | 134 mm | fair |