September in Caloundra averages a daily high of 24.3°C with nights around 13.1°C. Expect roughly 6.8 wet days totalling 53.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Caloundra is June–November.
Based on MAROOCHYDORE AERO, AS (22.8km), 1995–2024. 30 years of September data.