September in Fountainebleau averages a daily high of 32°C with nights around 25°C. Expect roughly 18.1 wet days totalling 261.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Fountainebleau is November–March.
Based on MIAMI INTERNATIONAL AIRPORT, FL US (3.5km), 1995–2024. 30 years of September data.