Last updated: March 2, 2024
The weather in Lao Chai, Vietnam, during September is characterized by an average temperature of 23°C (74°F). Highs can soar to 31°C (87°F), while lows may dip to 18°C (65°F). Typically, the humidity level in Lao Chai throughout September hovers around 81%.
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Average temperature
Maximum temperature
Humidity
In September, Lao Chai averages 208 mm (8.2 inches) of rainfall, typically over the course of 25 rainy days. The month enjoys an average of 12 hours 14 minutes of daylight, with the sun shining for approximately 9 hours 40 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
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Rainy days
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Chance of sun
In September, the UV Index in Lao Chai reaches a maximum of 14, 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 | 13 | 14 | 12 | 9 | 6 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||