September in Siracusa averages a daily high of 28°C with nights around 21.7°C. Expect roughly 4.3 wet days totalling 64.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Siracusa is April–June.
Based on COZZO SPADARO, IT (45.7km), 1995–2024. 20 years of September data.