Last updated: August 23, 2025
The average temperature in Saint-Bonnet-en-Champsaur, France during September is a mild 12°C (54°F). However, temperatures can swing dramatically, with a minimum of -8°C (18°F) and a maximum of 23°C (74°F). Expect some precipitation during this month, with an average of 52 mm (2.1 in) spread over about 7 days. The average humidity sits at a comfortable 73%, making it an interesting time to experience the climate.
In September in Saint-Bonnet-en-Champsaur, the average temperature is 12°C (54°F). Maximum temperatures can reach 23°C (74°F) and minimums can drop as low as -8°C (18°F). Be prepared for a diverse range of weather conditions while exploring this destination.
In Saint-Bonnet-en-Champsaur in September, the precipitation amount is 52 mm (2.1 in) over the course of 7 days.
In Saint-Bonnet-en-Champsaur in September, humidity is 73%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace, making travel moderately uncomfortable as the dampness can chill you to your bones, especially during early morning excursions or late afternoon strolls.
In Saint-Bonnet-en-Champsaur in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Saint-Bonnet-en-Champsaur.
UV Risk Categories
Weather in Saint-Bonnet-en-Champsaur varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint-Bonnet-en-Champsaur, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 86 mm (3.4 inches) | 91% | moderate |
| February Weather | 0°C (32°F) | 77 mm (3.0 inches) | 87% | moderate |
| March Weather | 2°C (35°F) | 122 mm (4.8 inches) | 84% | high |
| April Weather | 5°C (41°F) | 87 mm (3.4 inches) | 83% | very high |
| May Weather | 9°C (49°F) | 147 mm (5.8 inches) | 78% | very high |
| June Weather | 14°C (58°F) | 95 mm (3.7 inches) | 75% | extreme |
| July Weather | 16°C (62°F) | 50 mm (2.0 inches) | 72% | very high |
| August Weather | 16°C (62°F) | 68 mm (2.7 inches) | 63% | very high |
| September Weather | 12°C (54°F) | 52 mm (2.1 inches) | 73% | very high |
| October Weather | 8°C (46°F) | 106 mm (4.2 inches) | 89% | moderate |
| November Weather | 2°C (35°F) | 112 mm (4.4 inches) | 90% | moderate |
| December Weather | -2°C (28°F) | 200 mm (7.9 inches) | 90% | low |