Château-dʼOlonne Weather in September

Château-dʼOlonne in September sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 15°C (59°F). Rainfall is fairly high this month at around 62 mm (2.4 in), so pack a rain jacket to stay dry.

Rainfall in Château-dʼOlonne in September

Historically, the month has about 13 days of rain, averaging 62 mm (2.4 in) in total. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Château-dʼOlonne in September

If you're visiting Château-dʼOlonne in September, expect excellent temperatures with highs of 21°C (70°F) and overnight lows of 15°C (59°F). The summer season is characteristic of September. Conditions are often most pleasant around the middle of the day. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Château-dʼOlonne in September

Expect sunny days throughout the month, with an estimated 212 hours of sunshine. This makes it a pleasant time to visit Château-dʼOlonne.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Château-dʼOlonne.