Last updated: August 23, 2025
In Saint-Mathieu-de-Treviers, France, the average temperature in September hovers around 20°C (68°F), providing a pleasant climate for outdoor activities. Expect a range between a cool 6°C (44°F) and a warm 33°C (91°F). With an average precipitation of 73 mm (2.9 in) spread over 6 days, a light rain might sprinkle your adventures. Humidity levels are typically around 70%, creating a comfortable atmosphere for exploring this beautiful destination.
In September in Saint-Mathieu-de-Treviers, the average temperature is a pleasant 20°C (68°F), making it an ideal time for outdoor activities. However, be prepared for temperature swings, as the maximum can reach 33°C (91°F) and the minimum can drop to as low as 6°C (44°F). Overall, this month offers a comfortable climate for exploring and enjoying all that Saint-Mathieu-de-Treviers has to offer.
In Saint-Mathieu-de-Treviers in September, the precipitation amount is 73 mm (2.9 in) over a span of 6 days.
In Saint-Mathieu-de-Treviers in September, humidity is 70%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make traveling a bit heavy and sticky but also invigorating, as the moisture in the air invigorates your skin and keeps you refreshed during your adventures.
In Saint-Mathieu-de-Treviers in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Saint-Mathieu-de-Treviers.
UV Risk Categories
Weather in Saint-Mathieu-de-Treviers varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Mathieu-de-Treviers, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (44°F) | 76 mm (3.0 inches) | 82% | low |
| February Weather | 9°C (48°F) | 61 mm (2.4 inches) | 77% | moderate |
| March Weather | 10°C (51°F) | 99 mm (3.9 inches) | 73% | high |
| April Weather | 13°C (55°F) | 102 mm (4.0 inches) | 73% | high |
| May Weather | 17°C (62°F) | 87 mm (3.4 inches) | 71% | very high |
| June Weather | 21°C (70°F) | 60 mm (2.4 inches) | 67% | very high |
| July Weather | 24°C (76°F) | 27 mm (1.1 inches) | 66% | very high |
| August Weather | 24°C (75°F) | 48 mm (1.9 inches) | 63% | very high |
| September Weather | 20°C (68°F) | 73 mm (2.9 inches) | 70% | high |
| October Weather | 15°C (59°F) | 164 mm (6.5 inches) | 80% | moderate |
| November Weather | 10°C (50°F) | 166 mm (6.5 inches) | 84% | moderate |
| December Weather | 7°C (45°F) | 73 mm (2.9 inches) | 83% | low |