Month guide · Sertã, Portugal
Sertã in August: weather and what to expect
In August, Sertã averages highs of 31°C and lows of 18°C, with about 3 rainy days and 14 mm of rain. Highs are about the same as in July and 4°C warmer than in September. Our rules rate it good for beach days. Crowds in Centro are at their peak.
Is August a good time to visit?
Good for
- Beach daysHighs of 30°C and about 3 rainy days
Not ideal for
Nothing stands out as a weaker fit.
Daily highs through August
Town-level · ERA5-Land 1991-2020Highs fall about 1°C over the month.
August in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in August 2027
- 15 Aug Assumption Day
Local (municipal) holidays are not included.
Warmer in August
Where is warm in August →| Place | High | Rain days | From Sertã |
|---|---|---|---|
| Pego, Oeste e Vale do Tejo | 32°C | 2 | 38 km |
| Alferrarede, Oeste e Vale do Tejo | 32°C | 3 | 36 km |
| Abrantes, Oeste e Vale do Tejo | 31°C | 3 | 38 km |
| Sardoal, Oeste e Vale do Tejo | 31°C | 3 | 30 km |
| Tomar, Oeste e Vale do Tejo | 31°C | 3 | 35 km |
The nearest towns with a warmer August. Distances are in a straight line.
How August is changing
Town-level · ERA5-LandAugust highs are 1.9°C warmer than in 1991-2000, and August rainfall is down about 70% (2016-2025 against 1991-2000). Days above 35°C in August went from 4.8 to 6.5 a year on average.
Questions about Sertã in August
Is August a good time to visit Sertã?
Our rules rate August good for beach days (highs of 30°C and about 3 rainy days).
How warm is Sertã in August?
Average highs are 31°C and lows 18°C. July averages 30°C and September 27°C.
Does it rain much in Sertã in August?
About 3 days have at least 1 mm of rain, with 14 mm in total over the month.
Is Sertã busy in August?
In August 2025, nights booked through online platforms in Centro were the busiest month of the year, which we count as peak. The figure is for the whole region and leaves out hotels.
How long are the days in Sertã in August?
About 13 h 47 min from sunrise to sunset in the middle of the month.
Sources
Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology