Last updated: March 2, 2024
The weather in Phongsali, Laos, during September is characterized by an average temperature of 24°C (76°F). Highs can soar to 33°C (91°F), while lows may dip to 19°C (66°F). Typically, the humidity level in Phongsali throughout September hovers around 83%.
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Average temperature
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Humidity
In September, Phongsali averages 200 mm (7.9 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 8 hours 54 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Phongsali 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 | 13 | 10 | 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 | ||||