September in Vilanova i la Geltrú 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 Vilanova i la Geltrú is May–July.
Based on BARCELONA AEROPUERTO, SP (29.8km), 1995–2024. 30 years of September data.