September in Pamplona averages a daily high of 24.3°C with nights around 12.9°C. Expect roughly 7.2 wet days totalling 56mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Pamplona is May–October.
Based on PAMPLONA OBSERVATORIO, SP (0.6km), 1995–2024. 30 years of September data.