worldweatherSouth Korea weather in September - temperature, rain and is it a good time to visit?
September is one of the best months for a holiday in South Korea.
Daytime
25°
Night
19°
☀️ Day length
12 h 27 min
Chance of rain
45%
Thunder days
3%
Humid days
77%
In September, South Korea averages about 25° during the day and 19° at night. There's a moderate chance of rain (about 45%).
South Korea weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January | 4℃ | -4℃ | 13% |
| February | 7℃ | -2℃ | 22% |
| March | 12℃ | 3℃ | 22% |
| April ★ | 18℃ | 8℃ | 34% |
| May ★ | 23℃ | 14℃ | 28% |
| June ★ | 26℃ | 19℃ | 33% |
| July ★ | 29℃ | 23℃ | 50% |
| August ★ | 30℃ | 24℃ | 40% |
| September ★ | 25℃ | 19℃ | 45% |
| October ★ | 21℃ | 14℃ | 30% |
| November ★ | 13℃ | 5℃ | 29% |
| December | 6℃ | -2℃ | 19% |
★ - months most often recommended for travel
Where is it warmest in South Korea in September? Weather by city
| Place | Day | Night | 🌊 Sea | Chance of rain |
|---|---|---|---|---|
| Busan | 27℃ | 19℃ | 27℃ | 38% |
| Changwon | 27℃ | 19℃ | 28℃ | 38% |
| Incheon | 26℃ | 19℃ | 27℃ | 29% |
| Daegu | 26℃ | 17℃ | - | 36% |
| Ulsan | 24℃ | 19℃ | 27℃ | 36% |
| Seoul | 22℃ | 21℃ | 27℃ | 75% |
| Anyang | 22℃ | 21℃ | 27℃ | 75% |
| Gangneung | 22℃ | 17℃ | 25℃ | 29% |
Travelling soon? Check the live 14-day weather forecast for South Korea.