The weather in Cartagena in September is very hot. The average temperatures are between 23°C and 25°C, drinking water regularly is advisable.
You can expect a few rainy days in Cartagena during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Cartagena in September 2025.
If you’re planning to visit Cartagena in the near future, we highly recommend that you review the 14 day weather forecast for Cartagena before you arrive.
Temperatures
25° / 23°
Rainy Days
1
Snowy Days
0
Dry Days
29
Rainfall
48
mm
Sun Hours
11.7
Hrs
