Last updated: March 2, 2024
The weather in Jullouville, France, during September is characterized by an average temperature of 17°C (62°F). Highs can soar to 24°C (76°F), while lows may dip to 11°C (53°F). Typically, the humidity level in Jullouville throughout September hovers around 79%.
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Average temperature
Maximum temperature
Humidity
In September, Jullouville averages 97 mm (3.8 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 12 hours 32 minutes of daylight, with the sun shining for approximately 10 hours 46 minutes each day. Additionally, there is a 43% 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 Jullouville reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, 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 | 0 | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 5 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||