Month guide · Santo André, Portugal
Santo André in September: weather and what to expect
In September, Santo André averages highs of 24°C and lows of 17°C, with about 4 rainy days and 28 mm of rain. Highs are 2°C cooler than in August and 3°C warmer than in October. Our rules rate it good for walking and cycling. Crowds in the Alentejo are medium.
Is September a good time to visit?
Good for
- Walking and cyclingHighs of 24°C with about 4 rainy days
Not ideal for
Nothing stands out as a weaker fit.
Daily highs through September
Town-level · ERA5-Land 1991-2020Highs fall about 2°C over the month. A day above 30°C happens in roughly 1 September in 3.
September in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in September 2027
No national or regional public holidays.
Local (municipal) holidays are not included.
Warmer in September
Where is warm in September →| Place | High | Rain days | From Santo André |
|---|---|---|---|
| Ferreira do Alentejo, Alentejo | 29°C | 4 | 58 km |
| Beringel, Alentejo | 28°C | 4 | 70 km |
| Ermidas, Alentejo | 28°C | 4 | 36 km |
| Aljustrel, Alentejo | 28°C | 4 | 58 km |
| Odemira, Alentejo | 27°C | 4 | 53 km |
The nearest towns with a warmer September. Distances are in a straight line.
How September is changing
Town-level · ERA5-LandSeptember highs are 1.3°C warmer than in 1991-2000, and September rainfall is down about 40% (2016-2025 against 1991-2000). Days above 25°C in September went from 8.1 to 12 a year on average.
Questions about Santo André in September
Is September a good time to visit Santo André?
Our rules rate September good for walking and cycling (highs of 24°C with about 4 rainy days).
How warm is Santo André in September?
Average highs are 24°C and lows 17°C. August averages 26°C and October 22°C.
Does it rain much in Santo André in September?
About 4 days have at least 1 mm of rain, with 28 mm in total over the month.
Is Santo André busy in September?
In September 2025, nights booked through online platforms in the Alentejo were about 50% of the busiest month, which we count as medium. The figure is for the whole region and leaves out hotels.
How long are the days in Santo André in September?
About 12 h 29 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