Weather Comparison
Medellin vs Cartagena
Side-by-side weather comparison for September
September Weather: Medellin vs Cartagena
| Metric | Medellin | Cartagena | Better |
|---|---|---|---|
| Average HighHigher is warmer | 26°C (79°F) | 30°C (86°F)▲ | Cartagena |
| Average LowHigher is milder | 16°C (61°F) | 25°C (77°F)▲ | Cartagena |
| Rain DaysFewer is drier | 27 days▲ | 28 days | Medellin |
| PrecipitationLess is drier | 242 mm | 200 mm▲ | Cartagena |
| Sunshine HoursMore is sunnier | 10h/day▲ | 9h/day | Medellin |
| HumidityLower is more comfortable | 82% | 82% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 6 km/h▲ | 14 km/h | Medellin |
Which City is Better in September?
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.
Medellin sits in the comfortable travel range at 26°C. Cartagena runs hot at 30°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.
Temperature Comparison in September
Medellin reaches an average high of 26°C (79°F) and drops to 16°C (61°F) at night during September. The daily temperature range is 10°C, meaning moderate variation throughout the day.
Cartagena averages 30°C (86°F) for the high and 25°C (77°F) for the low, with a daily range of 5°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.
Rainfall Comparison in September
Medellin receives approximately 242 mm of rainfall across 27 rain days during September. Rain is frequent, so waterproof gear is essential.
Cartagena sees 200 mm over 28 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%.
What to Pack: Medellin vs Cartagena
Packing for Medellin in September
Highs of 26°C, lows of 16°C, 27 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓moisture-wicking fabrics
Packing for Cartagena in September
Highs of 30°C, lows of 25°C, 28 rain days
- ✓lightweight breathable clothing
- ✓sunscreen SPF 50+
- ✓sunglasses
- ✓a wide-brimmed hat
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓moisture-wicking fabrics
Pack for both: waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during September.
Year-Round Comparison: Medellin vs Cartagena
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.September is highlighted for quick reference.
| Month | Medellin | Cartagena | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 26°C | 21d | 32°C | 2d |
| Feb | 26°C | 23d | 33°C | 2d |
| Mar | 26°C | 28d | 33°C | 5d |
| Apr | 26°C | 28d | 32°C | 15d |
| May | 26°C | 29d | 30°C | 26d |
| Jun | 26°C | 26d | 30°C | 25d |
| Jul | 26°C | 25d | 30°C | 25d |
| Aug | 27°C | 24d | 30°C | 27d |
| Sep | 26°C | 27d | 30°C | 28d |
| Oct | 25°C | 29d | 29°C | 29d |
| Nov | 24°C | 29d | 29°C | 24d |
| Dec | 25°C | 24d | 30°C | 10d |
Medellin Weather in September
Full forecast, packing tips, and activities
Cartagena Weather in September
Full forecast, packing tips, and activities