Last updated: August 23, 2025
In Chavannes-sur-Reyssouze, France, the average temperature in September hovers around 18°C (65°F). Expect a range from a chilly 6°C (43°F) to a warm 34°C (93°F). During this month, precipitation averages about 67 mm (2.6 in) over 8 days, while the average humidity remains a comfortable 78%.
In September in Chavannes-sur-Reyssouze, the average temperature is 18°C (65°F), with maximums reaching 34°C (93°F) and minimums dropping to as low as 6°C (43°F). This makes it an ideal time for travelers to experience a comfortable climate while exploring the local attractions.
In Chavannes-sur-Reyssouze in September, the total precipitation amount is 67 mm (2.6 in) over the course of 8 days.
In Chavannes-sur-Reyssouze in September, humidity is 78%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel quite muggy and potentially uncomfortable, as it can leave you feeling sticky and fatigued more quickly than usual.
In Chavannes-sur-Reyssouze 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 Chavannes-sur-Reyssouze, you can refer to this Hourly UV Index in Chavannes-sur-Reyssouze.
UV Risk Categories
Weather in Chavannes-sur-Reyssouze varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chavannes-sur-Reyssouze, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 86 mm (3.4 inches) | 91% | low |
| February Weather | 7°C (44°F) | 69 mm (2.7 inches) | 89% | moderate |
| March Weather | 9°C (48°F) | 94 mm (3.7 inches) | 86% | moderate |
| April Weather | 12°C (55°F) | 54 mm (2.1 inches) | 84% | high |
| May Weather | 16°C (61°F) | 107 mm (4.2 inches) | 82% | very high |
| June Weather | 21°C (70°F) | 84 mm (3.3 inches) | 82% | very high |
| July Weather | 23°C (73°F) | 70 mm (2.8 inches) | 79% | very high |
| August Weather | 22°C (72°F) | 80 mm (3.1 inches) | 72% | very high |
| September Weather | 18°C (65°F) | 67 mm (2.6 inches) | 78% | high |
| October Weather | 13°C (56°F) | 105 mm (4.1 inches) | 88% | moderate |
| November Weather | 8°C (46°F) | 101 mm (4.0 inches) | 91% | low |
| December Weather | 6°C (43°F) | 148 mm (5.8 inches) | 93% | low |