Click on a day for an hourly weather forecast
The temperatures in Medellin in September are comfortable with low of 12°C and and high up to 25°C.
There’s going to be many days of rain during the month of September in Medellin.
Medellin should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Medellin in September 2025.
If you’re planning to visit Medellin in the near future, we highly recommend that you review the 14 day weather forecast for Medellin before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 23° / 11° | 15 | 16 | 0 | 283 mm | Good | Medellin in January |
| February | 22° / 12° | 18 | 10 | 0 | 369 mm | Ok | Medellin in February |
| March | 22° / 13° | 25 | 6 | 0 | 609 mm | Ok | Medellin in March |
| April | 22° / 13° | 26 | 4 | 0 | 728 mm | Ok | Medellin in April |
| May | 23° / 13° | 26 | 5 | 0 | 717 mm | Good | Medellin in May |
| June | 24° / 12° | 21 | 9 | 0 | 431 mm | Good | Medellin in June |
| July | 25° / 12° | 19 | 12 | 0 | 361 mm | Good | Medellin in July |
| August | 25° / 12° | 19 | 12 | 0 | 378 mm | Good | Medellin in August |
| September | 25° / 12° | 20 | 10 | 0 | 411 mm | Good | Medellin in September |
| October | 22° / 12° | 26 | 5 | 0 | 674 mm | Ok | Medellin in October |
| November | 21° / 12° | 25 | 5 | 0 | 615 mm | Ok | Medellin in November |
| December | 22° / 11° | 19 | 12 | 0 | 354 mm | Ok | Medellin in December |