Cartagena vs Medellin

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Medellin edges ahead as the better destination in September. Medellin offers 10 hours of daily sunshine with only 27 rain days, while Cartagena sees 9 sunshine hours and 28 rain days.

Cartagena can feel quite hot at 30°C, so plan for heat. Medellin is also comfortable at 26°C.

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

Cartagena reaches an average high of 30°C (86°F) and drops to 25°C (77°F) at night during September. The daily temperature range is 5°C, meaning relatively stable temperatures from day to night.

Medellin averages 26°C (79°F) for the high and 16°C (61°F) for the low, with a daily range of 10°C. The 4°C difference is noticeable but not dramatic.

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

Cartagena receives approximately 200 mm of rainfall across 28 rain days during September. Rain is frequent, so waterproof gear is essential.

Medellin sees 242 mm over 27 rain days. That makes Medellin the drier option by 1 rain day and 42 mm of total precipitation.

Both cities share similar humidity levels at 82%.