September in Bolzano averages a daily high of 9.7°C with nights around 4.1°C. Expect roughly 11.1 wet days totalling 112.6mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Bolzano is June–August.
Based on PAGANELLA, IT (44.6km), 1995–2024. 13 years of September data.