Last updated: August 23, 2025
In Chatillon-en-Diois, France, the average temperature in September hovers around 14°C (58°F). Expect a comfortable range with a minimum of 1°C (34°F) and a pleasant maximum of 26°C (80°F). However, don't forget your umbrella, as you'll likely experience 66 mm (2.6 in) of precipitation over 9 days. With an average humidity of 73%, the air can feel a bit muggy, so be prepared for a mix of warm and humid days!
In September in Chatillon-en-Diois, the average temperature is 14°C (58°F). The maximum can reach 26°C (80°F), while the minimum can drop as low as 1°C (34°F). This makes it an ideal time for travelers to enjoy a mix of pleasant warm days and crisp, cool nights.
In Chatillon-en-Diois in September, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.
In Chatillon-en-Diois in September, humidity is 73%. With an average temperature of 14°C (58°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit uncomfortable for traveling unless you stay hydrated and take frequent breaks in the shade.
In Chatillon-en-Diois 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 Chatillon-en-Diois.
UV Risk Categories
Weather in Chatillon-en-Diois varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chatillon-en-Diois, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 84 mm (3.3 inches) | 91% | moderate |
| February Weather | 3°C (38°F) | 80 mm (3.2 inches) | 87% | moderate |
| March Weather | 5°C (42°F) | 115 mm (4.5 inches) | 84% | high |
| April Weather | 8°C (47°F) | 86 mm (3.4 inches) | 83% | high |
| May Weather | 12°C (54°F) | 147 mm (5.8 inches) | 78% | very high |
| June Weather | 17°C (62°F) | 127 mm (5.0 inches) | 75% | very high |
| July Weather | 19°C (66°F) | 78 mm (3.1 inches) | 72% | very high |
| August Weather | 18°C (65°F) | 85 mm (3.4 inches) | 63% | very high |
| September Weather | 14°C (58°F) | 66 mm (2.6 inches) | 73% | high |
| October Weather | 10°C (50°F) | 114 mm (4.5 inches) | 89% | moderate |
| November Weather | 5°C (41°F) | 117 mm (4.6 inches) | 90% | moderate |
| December Weather | 1°C (35°F) | 181 mm (7.1 inches) | 90% | low |