Last updated: March 2, 2024
The weather in Lao Cai, Vietnam, during September is characterized by an average temperature of 25°C (77°F). Highs can soar to 33°C (92°F), while lows may dip to 20°C (68°F). Typically, the humidity level in Lao Cai throughout September hovers around 81%.
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Average temperature
Maximum temperature
Humidity
In September, Lao Cai averages 193 mm (7.6 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 12 hours 14 minutes of daylight, with the sun shining for approximately 9 hours 35 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Lao Cai reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 3 | 6 | 10 | 12 | 13 | 12 | 9 | 5 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||