Barcelona vs Rome

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Rome edges ahead as the better destination in September. Rome offers 11 hours of daily sunshine with only 9 rain days, while Barcelona sees 10 sunshine hours and 11 rain days.

Barcelona sits in the comfortable travel range at 24°C. Rome is also comfortable at 25°C.

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

Barcelona reaches an average high of 24°C (75°F) and drops to 18°C (64°F) at night during September. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Rome averages 25°C (77°F) for the high and 16°C (61°F) for the low, with a daily range of 9°C. The two cities feel quite similar in terms of temperature.

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

Barcelona receives approximately 79 mm of rainfall across 11 rain days during September. You can expect rain roughly every other day.

Rome sees 81 mm over 9 rain days. That makes Rome the drier option by 2 rain days and 2 mm of total precipitation.

Both cities share similar humidity levels at 65%.