Month guide · Mondim de Basto, Portugal
Mondim de Basto in September: weather and what to expect
In September, Mondim de Basto averages highs of 25°C and lows of 14°C, with about 8 rainy days and 74 mm of rain. Highs are 3°C cooler than in August and 5°C warmer than in October. Crowds in Norte are high.
Is September a good time to visit?
Good for
No verdicts for Mondim de Basto in September yet. They only use climate values that are precise enough to judge with.
Not ideal for
Nothing stands out as a weaker fit.
Daily highs through September
Town-level · ERA5-Land 1991-2020Highs fall about 5°C over the month.
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 Mondim de Basto |
|---|---|---|---|
| Vila Velha de Ródão, Centro | 28°C | 5 | 197 km |
| Tomar, Oeste e Vale do Tejo | 28°C | 5 | 205 km |
| Sardoal, Oeste e Vale do Tejo | 27°C | 5 | 209 km |
| Nisa, Alentejo | 27°C | 5 | 212 km |
| Madalena (Tomar), Oeste e Vale do Tejo | 27°C | 5 | 209 km |
The nearest towns with a warmer September. Distances are in a straight line.
How September is changing
Town-level · ERA5-LandSeptember highs are 2.2°C warmer than in 1991-2000, and September rainfall is down about 40% (2016-2025 against 1991-2000). Days above 30°C in September went from 2.1 to 4.2 a year on average.
Questions about Mondim de Basto in September
How warm is Mondim de Basto in September?
Average highs are 25°C and lows 14°C. August averages 28°C and October 20°C.
Does it rain much in Mondim de Basto in September?
About 8 days have at least 1 mm of rain, with 74 mm in total over the month.
Is Mondim de Basto busy in September?
In September 2025, nights booked through online platforms in Norte were about 60% of the busiest month, which we count as high. The figure is for the whole region and leaves out hotels.
How long are the days in Mondim de Basto in September?
About 12 h 33 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