Last updated: August 23, 2025
In Saint-Jean-Trolimon, France, the average temperature in September is a comfortable 17°C (62°F), with a minimum dipping to 11°C (53°F) and rising to a pleasant 24°C (75°F). Expect about 50 mm (2.0 in) of precipitation spread over 9 days, contributing to an average humidity of 79%. Enjoy the mild, refreshing climate!
In September in Saint-Jean-Trolimon, the average temperature is 17°C (62°F). Maximums can reach 24°C (75°F), and minimums can be as low as 11°C (53°F). This makes it a perfect time for travelers to enjoy outdoor activities while experiencing mild and pleasant weather.
In Saint-Jean-Trolimon in September, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.
In Saint-Jean-Trolimon in September humidity is 79%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket wrapping around you, making strolling through the streets a bit heavier but still comfortably refreshing for travelers.
In Saint-Jean-Trolimon 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 Saint-Jean-Trolimon, you can refer to this Hourly UV Index in Saint-Jean-Trolimon.
UV Risk Categories
Weather in Saint-Jean-Trolimon varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Jean-Trolimon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (48°F) | 68 mm (2.7 inches) | 82% | low |
| February Weather | 9°C (49°F) | 93 mm (3.6 inches) | 83% | moderate |
| March Weather | 10°C (50°F) | 71 mm (2.8 inches) | 81% | moderate |
| April Weather | 11°C (52°F) | 36 mm (1.4 inches) | 82% | high |
| May Weather | 13°C (57°F) | 56 mm (2.2 inches) | 82% | very high |
| June Weather | 16°C (62°F) | 53 mm (2.1 inches) | 80% | very high |
| July Weather | 18°C (65°F) | 42 mm (1.6 inches) | 77% | very high |
| August Weather | 18°C (64°F) | 52 mm (2.1 inches) | 78% | very high |
| September Weather | 17°C (62°F) | 50 mm (2.0 inches) | 79% | high |
| October Weather | 14°C (58°F) | 96 mm (3.8 inches) | 82% | moderate |
| November Weather | 12°C (53°F) | 106 mm (4.2 inches) | 81% | low |
| December Weather | 11°C (51°F) | 138 mm (5.4 inches) | 82% | low |