Last updated: August 23, 2025
In Luc-sur-Mer, France during September, the average temperature hovers around 16°C (62°F). Expect a temperature range between a chilly 4°C (40°F) at night and a warm 32°C (90°F) during the day. Be prepared for 50 mm (2.0 in) of precipitation over about 12 days, with an average humidity level of 79% creating a muggy atmosphere.
In September in Luc-sur-Mer, the average temperature is 16°C (62°F). Maximums can reach 32°C (90°F), while minimums can drop to as low as 4°C (40°F). It's a great time to travel, as you'll experience mild weather with the possibility of warm days and cool evenings.
In Luc-sur-Mer in September, the precipitation amount is 50 mm (2.0 in), occurring over the course of 12 days.
In Luc-sur-Mer in September, humidity is 79%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes walking outdoors feel languid and heavy, demanding frequent breaks and plenty of water as you navigate the bustling streets.
In Luc-sur-Mer in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Luc-sur-Mer, you can refer to this Hourly UV Index in Luc-sur-Mer.
UV Risk Categories
Weather in Luc-sur-Mer varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Luc-sur-Mer, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 53 mm (2.1 inches) | 90% | low |
| February Weather | 7°C (45°F) | 63 mm (2.5 inches) | 89% | moderate |
| March Weather | 9°C (48°F) | 62 mm (2.5 inches) | 86% | moderate |
| April Weather | 11°C (52°F) | 35 mm (1.4 inches) | 84% | high |
| May Weather | 14°C (57°F) | 70 mm (2.8 inches) | 80% | very high |
| June Weather | 18°C (64°F) | 89 mm (3.5 inches) | 80% | very high |
| July Weather | 19°C (67°F) | 50 mm (2.0 inches) | 69% | very high |
| August Weather | 19°C (66°F) | 60 mm (2.4 inches) | 73% | very high |
| September Weather | 16°C (62°F) | 50 mm (2.0 inches) | 79% | high |
| October Weather | 13°C (56°F) | 78 mm (3.1 inches) | 89% | moderate |
| November Weather | 9°C (48°F) | 77 mm (3.0 inches) | 92% | low |
| December Weather | 7°C (46°F) | 101 mm (4.0 inches) | 92% | low |