September in Gijón averages a daily high of 22°C with nights around 15.9°C. Expect roughly 9.8 wet days totalling 57.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Gijón is June–September.
Based on GIJON MUSEL, SP (4.1km), 1995–2024. 26 years of September data.