Last updated: August 23, 2025
In La Tranche-sur-Mer, France, the average temperature in September hovers around 18°C (65°F), with a comfortable range that sees a minimum of 12°C (54°F) and a maximum of 26°C (80°F). Expect some precipitation, as 46 mm (1.8 in) of rain typically falls over about 9 days. Coupled with an average humidity of 75%, this month offers a blend of warmth and moisture, perfect for experiencing the local atmosphere.
In September in La Tranche-sur-Mer, the average temperature is 18°C (65°F). Maximums can reach 26°C (80°F) and minimums can be as low as 12°C (54°F). This mild climate makes it an ideal time for travelers to explore and enjoy outdoor activities.
In La Tranche-sur-Mer in September, the precipitation amount is 46 mm (1.8 in) over the course of 9 days.
In La Tranche-sur-Mer in September, humidity is 75%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket that can make outdoor exploration feel a bit stifling, potentially leading to discomfort during travel activities.
In La Tranche-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 La Tranche-sur-Mer, you can refer to this Hourly UV Index in La Tranche-sur-Mer.
UV Risk Categories
Weather in La Tranche-sur-Mer varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in La Tranche-sur-Mer, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 71 mm (2.8 inches) | 88% | low |
| February Weather | 9°C (48°F) | 75 mm (3.0 inches) | 87% | moderate |
| March Weather | 10°C (51°F) | 81 mm (3.2 inches) | 84% | moderate |
| April Weather | 12°C (54°F) | 34 mm (1.4 inches) | 83% | high |
| May Weather | 15°C (59°F) | 64 mm (2.5 inches) | 81% | very high |
| June Weather | 18°C (65°F) | 70 mm (2.7 inches) | 75% | very high |
| July Weather | 20°C (68°F) | 27 mm (1.1 inches) | 65% | very high |
| August Weather | 20°C (68°F) | 34 mm (1.4 inches) | 67% | very high |
| September Weather | 18°C (65°F) | 46 mm (1.8 inches) | 75% | high |
| October Weather | 16°C (60°F) | 92 mm (3.6 inches) | 85% | moderate |
| November Weather | 12°C (53°F) | 111 mm (4.4 inches) | 88% | moderate |
| December Weather | 10°C (50°F) | 142 mm (5.6 inches) | 90% | low |