Last updated: August 23, 2025
In September, the average temperature in Saint-Martin-Belle-Roche, France hovers around 18°C (64°F). Expect a range with a minimum of 6°C (43°F) and a maximum reaching 34°C (93°F). Rainfall amounts to about 66 mm (2.6 in) over 8 days, while the air carries an average humidity of 78%.
In September in Saint-Martin-Belle-Roche, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 34°C (93°F), while minimum temperatures can drop as low as 6°C (43°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities, from warm afternoons to cool evenings.
In Saint-Martin-Belle-Roche in September, the total precipitation amount is 66 mm (2.6 in) over the course of 8 days.
In Saint-Martin-Belle-Roche in September, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.
In Saint-Martin-Belle-Roche 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-Martin-Belle-Roche, you can refer to this Hourly UV Index in Saint-Martin-Belle-Roche.
UV Risk Categories
Weather in Saint-Martin-Belle-Roche varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Martin-Belle-Roche, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 80 mm (3.2 inches) | 91% | low |
| February Weather | 6°C (43°F) | 66 mm (2.6 inches) | 89% | moderate |
| March Weather | 9°C (48°F) | 90 mm (3.5 inches) | 86% | moderate |
| April Weather | 12°C (54°F) | 53 mm (2.1 inches) | 84% | high |
| May Weather | 15°C (60°F) | 105 mm (4.1 inches) | 82% | very high |
| June Weather | 20°C (69°F) | 93 mm (3.7 inches) | 82% | very high |
| July Weather | 22°C (72°F) | 74 mm (2.9 inches) | 79% | very high |
| August Weather | 22°C (71°F) | 82 mm (3.2 inches) | 72% | very high |
| September Weather | 18°C (64°F) | 66 mm (2.6 inches) | 78% | high |
| October Weather | 13°C (56°F) | 103 mm (4.1 inches) | 88% | moderate |
| November Weather | 7°C (46°F) | 98 mm (3.9 inches) | 91% | low |
| December Weather | 5°C (42°F) | 142 mm (5.6 inches) | 93% | low |