September in Hervey Bay averages a daily high of 25°C with nights around 14°C. Expect roughly 5.5 wet days totalling 34mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hervey Bay is July–October.
Based on HERVEY BAY AIRPORT, AS (11.9km), 1995–2024. 26 years of September data.