Last updated: March 2, 2024
The weather in Yongsan, South Korea, during September is characterized by an average temperature of 21°C (70°F). Highs can soar to 29°C (84°F), while lows may dip to 11°C (53°F). Typically, the humidity level in Yongsan throughout September hovers around 77%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Yongsan averages 182 mm (7.2 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 22 minutes of daylight, with the sun shining for approximately 8 hours 6 minutes each day. Additionally, there is a 36% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Yongsan reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 4 | 6 | 8 | 10 | 9 | 8 | 5 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 30 min | 45 min | |||||||