September in Tarragona averages a daily high of 27°C with nights around 16.8°C. Expect roughly 6.4 wet days totalling 73.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Tarragona is March–July.
Based on REUS AEROPUERTO, SP (6.5km), 1995–2024. 29 years of September data.