Click on a day for an hourly weather forecast
The weather in Montanita in September is hot. The average temperatures are between 20°C and 22°C.
As it is almost never rain during September in Montanita the weather is perfect for hanging out outside and exploring all that Montanita has to offer.
Our weather forecast can give you a great sense of what weather to expect in Montanita in September 2025.
If you’re planning to visit Montanita in the near future, we highly recommend that you review the 14 day weather forecast for Montanita before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 25° / 23° | 5 | 26 | 0 | 57 mm | Perfect | Montanita in January |
| February | 26° / 24° | 9 | 20 | 0 | 134 mm | Good | Montanita in February |
| March | 26° / 24° | 8 | 23 | 0 | 138 mm | Good | Montanita in March |
| April | 26° / 23° | 3 | 27 | 0 | 43 mm | Perfect | Montanita in April |
| May | 25° / 23° | 2 | 29 | 0 | 29 mm | Perfect | Montanita in May |
| June | 24° / 22° | 1 | 29 | 0 | 12 mm | Perfect | Montanita in June |
| July | 23° / 21° | 0 | 31 | 0 | 12 mm | Perfect | Montanita in July |
| August | 22° / 20° | 1 | 30 | 0 | 8 mm | Good | Montanita in August |
| September | 22° / 20° | 0 | 30 | 0 | 6 mm | Good | Montanita in September |
| October | 22° / 20° | 1 | 30 | 0 | 10 mm | Good | Montanita in October |
| November | 23° / 21° | 0 | 30 | 0 | 6 mm | Perfect | Montanita in November |
| December | 24° / 22° | 2 | 29 | 0 | 18 mm | Perfect | Montanita in December |