Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 28° / 24° | 0 | 31 | 0 | 17 mm | Perfect | Santa Marta in January |
| February | 29° / 25° | 0 | 28 | 0 | 19 mm | Good | Santa Marta in February |
| March | 28° / 25° | 1 | 30 | 0 | 33 mm | Perfect | Santa Marta in March |
| April | 29° / 26° | 3 | 27 | 0 | 72 mm | Good | Santa Marta in April |
| May | 29° / 26° | 10 | 21 | 0 | 191 mm | Ok | Santa Marta in May |
| June | 29° / 25° | 15 | 15 | 0 | 272 mm | Ok | Santa Marta in June |
| July | 29° / 25° | 15 | 16 | 0 | 261 mm | Ok | Santa Marta in July |
| August | 29° / 26° | 15 | 16 | 0 | 259 mm | Ok | Santa Marta in August |
| September | 29° / 26° | 13 | 17 | 0 | 242 mm | Ok | Santa Marta in September |
| October | 29° / 25° | 12 | 19 | 0 | 242 mm | Ok | Santa Marta in October |
| November | 29° / 25° | 6 | 24 | 0 | 132 mm | Good | Santa Marta in November |
| December | 29° / 25° | 1 | 30 | 0 | 38 mm | Good | Santa Marta in December |