Click on a day for an hourly weather forecast
The temperatures in Sierra de la Ventana in September are quite cold with temperatures between 5°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sierra de la Ventana during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Sierra de la Ventana in September 2026.
If you’re planning to visit Sierra de la Ventana in the near future, we highly recommend that you review the 14 day weather forecast for Sierra de la Ventana before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 15° | 2 | 29 | 0 | 65 mm | Good | Sierra de la Ventana in January |
| February | 29° / 15° | 3 | 25 | 0 | 62 mm | Good | Sierra de la Ventana in February |
| March | 25° / 12° | 3 | 28 | 0 | 76 mm | Perfect | Sierra de la Ventana in March |
| April | 20° / 10° | 3 | 27 | 0 | 88 mm | Good | Sierra de la Ventana in April |
| May | 16° / 7° | 3 | 28 | 0 | 45 mm | Good | Sierra de la Ventana in May |
| June | 12° / 5° | 2 | 28 | 0 | 36 mm | Ok | Sierra de la Ventana in June |
| July | 11° / 3° | 3 | 27 | 1 | 48 mm | Ok | Sierra de la Ventana in July |
| August | 14° / 5° | 2 | 29 | 0 | 31 mm | Good | Sierra de la Ventana in August |
| September | 16° / 5° | 4 | 26 | 0 | 88 mm | Good | Sierra de la Ventana in September |
| October | 19° / 7° | 5 | 26 | 0 | 106 mm | Good | Sierra de la Ventana in October |
| November | 24° / 10° | 4 | 26 | 0 | 130 mm | Perfect | Sierra de la Ventana in November |
| December | 29° / 14° | 4 | 27 | 0 | 87 mm | Good | Sierra de la Ventana in December |