September in Hyères averages a daily high of 24.4°C with nights around 16.9°C. Expect roughly 5 wet days totalling 65mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hyères is May–September.
Based on CAP CEPET, FR (15.9km), 1995–2024. 25 years of September data.