September in Gorontalo averages a daily high of 33°C with nights around 22.9°C. Expect roughly 3 wet days totalling 35.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gorontalo is June–September.
Based on JALALUDDIN, ID (26.1km), 1995–2024. 22 years of September data.