Yeosu in September
7.5out of 10
Yes, a good time to go
Warm and comfortable: highs around 24°C. Frequent rain: about 9 rainy days.
24°CAvg high
21°CAvg low
9Rainy days (160 mm)
12:12 hDaylight
06:18Sunrise · 18:30 Sunset
Why this score
- Warm and comfortable: highs around 24°C
- Frequent rain: about 9 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.6 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 6°C | 1°C | 35 mm | 4 | – | – | 5.8 |
| February | 8°C | 2°C | 49 mm | 5 | – | – | 6.1 |
| March | 11°C | 6°C | 92 mm | 7 | – | – | 6.3 |
| April | 14°C | 11°C | 135 mm | 8 | – | – | 6.5 |
| May | 18°C | 16°C | 146 mm | 8 | – | – | 7.1 |
| June | 22°C | 20°C | 204 mm | 10 | – | – | 7.1 |
| July | 25°C | 23°C | 262 mm | 13 | – | – | 6.5 |
| August | 27°C | 25°C | 223 mm | 13 | – | – | 6.7 |
| September | 24°C | 21°C | 160 mm | 9 | – | – | 7.5 |
| October | 20°C | 16°C | 70 mm | 5 | – | – | 8.1 |
| November | 14°C | 9°C | 49 mm | 5 | – | – | 7.1 |
| December | 8°C | 3°C | 31 mm | 4 | – | – | 6.4 |
Frequently asked questions
How hot is Yeosu in September?
Daytime highs average 24°C and nights about 21°C.
When is the best time to visit Yeosu?
The best months are October, September.