Châtillon-sur-Chalaronne Weather in September

September in Châtillon-sur-Chalaronne brings high temperatures, with highs of 23°C (73°F) and nights dropping to 13°C (55°F). Rainfall is on the higher side this month, averaging around 106 mm (4.2 in), so keep a rain jacket handy.

Rainfall in Châtillon-sur-Chalaronne in September

Based on our climate data of the past 30 years, about 11 days of rain are anticipated, with 106 mm (4.2 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Châtillon-sur-Chalaronne in September

Expect highs of 23°C (73°F) in Châtillon-sur-Chalaronne in September, with nights dropping to around 13°C (55°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Châtillon-sur-Chalaronne in September

The month enjoys around 195 hours of sunshine, creating mostly sunny days with good weather conditions.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Châtillon-sur-Chalaronne.