Last updated: March 2, 2024
The weather in Saint-Laurent-en-Grandvaux, France, during September is characterized by an average temperature of 14°C (57°F). Highs can soar to 25°C (77°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Saint-Laurent-en-Grandvaux throughout September hovers around 81%.
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In September, Saint-Laurent-en-Grandvaux averages 109 mm (4.3 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 30 minutes of daylight, with the sun shining for approximately 10 hours 38 minutes each day. Additionally, there is a 38% probability of sunny days during this period.
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In September, the UV Index in Saint-Laurent-en-Grandvaux reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 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 | 1 | 1 | 3 | 4 | 6 | 6 | 6 | 5 | 4 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||