Porto vs Seville

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Seville edges ahead as the better destination in September. Seville offers 11 hours of daily sunshine with only 4 rain days, while Porto sees 10 sunshine hours and 6 rain days.

Porto sits in the comfortable travel range at 24°C. Seville runs hot at 30°C.

For travelers who prioritize dry weather, Seville is the stronger choice in September. Seville receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Porto reaches an average high of 24°C (75°F) and drops to 16°C (61°F) at night during September. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Seville averages 30°C (86°F) for the high and 19°C (66°F) for the low, with a daily range of 11°C. There is a notable 6°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Porto receives approximately 64 mm of rainfall across 6 rain days during September. Rain is occasional, so a light rain jacket should suffice.

Seville sees 27 mm over 4 rain days. That makes Seville the drier option by 2 rain days and 37 mm of total precipitation.

Both cities share similar humidity levels at 65%.