September in Sarrià-Sant Gervasi averages a daily high of 26.3°C with nights around 18.4°C. Expect roughly 7.1 wet days totalling 74.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Sarrià-Sant Gervasi is May–July.
Based on BARCELONA AEROPUERTO, SP (13.4km), 1995–2024. 30 years of September data.