Last updated: March 2, 2024
The weather in Groffliers, France, during September is characterized by an average temperature of 16°C (62°F). Highs can soar to 24°C (76°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Groffliers throughout September hovers around 80%.
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Average temperature
Maximum temperature
Humidity
In September, Groffliers averages 74 mm (2.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 33 minutes of daylight, with the sun shining for approximately 10 hours 57 minutes each day. Additionally, there is a 42% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Groffliers reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 30 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 | 0 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||