Click on a day for an hourly weather forecast
The weather in Portalegre in September is hot. The average temperatures are between 17°C and 31°C. Usually the days in September are hot while the nights are a bit cooler.
You can expect a few rainy days in Portalegre during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Portalegre in September 2025.
If you’re planning to visit Portalegre in the near future, we highly recommend that you review the 14 day weather forecast for Portalegre before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 4° | 5 | 26 | 0 | 59 mm | Good | Portalegre in January |
| February | 15° / 5° | 4 | 24 | 0 | 60 mm | Good | Portalegre in February |
| March | 18° / 6° | 5 | 26 | 0 | 69 mm | Good | Portalegre in March |
| April | 21° / 9° | 4 | 26 | 0 | 60 mm | Good | Portalegre in April |
| May | 26° / 13° | 2 | 29 | 0 | 31 mm | Perfect | Portalegre in May |
| June | 31° / 16° | 1 | 29 | 0 | 12 mm | Good | Portalegre in June |
| July | 35° / 19° | 0 | 31 | 0 | 3 mm | Ok | Portalegre in July |
| August | 35° / 19° | 0 | 31 | 0 | 4 mm | Ok | Portalegre in August |
| September | 31° / 17° | 2 | 28 | 0 | 25 mm | Good | Portalegre in September |
| October | 25° / 14° | 3 | 28 | 0 | 65 mm | Perfect | Portalegre in October |
| November | 18° / 9° | 4 | 26 | 0 | 69 mm | Good | Portalegre in November |
| December | 15° / 6° | 4 | 27 | 0 | 58 mm | Good | Portalegre in December |