Last updated: March 2, 2024
The weather in Khe Sanh, Vietnam, during September is characterized by an average temperature of 27°C (80°F). Highs can soar to 34°C (93°F), while lows may dip to 22°C (72°F). Typically, the humidity level in Khe Sanh throughout September hovers around 87%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Khe Sanh averages 295 mm (11.6 inches) of rainfall, typically over the course of 22 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 38 minutes each day. Additionally, there is a 15% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Khe Sanh reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 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 | 4 | 7 | 11 | 13 | 13 | 11 | 8 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||