September in Cadiz averages a daily high of 26.2°C with nights around 20.6°C. Expect roughly 3.2 wet days totalling 26.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Cadiz is May–September.
Based on CADIZ, SP (4.1km), 1995–2024. 28 years of September data.