The weather in Santa Marta in September is very hot. The average temperatures are between 26°C and 29°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Santa Marta. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Santa Marta in September 2025.
If you’re planning to visit Santa Marta in the near future, we highly recommend that you review the 14 day weather forecast for Santa Marta before you arrive.
Temperatures
29° / 26°
Rainy Days
13
Snowy Days
0
Dry Days
17
Rainfall
242
mm
Sun Hours
11.5
Hrs
