Month guide · Melres, Portugal
Melres in September: weather and what to expect
September is the last month of the year with average highs above 25°C in Melres. September highs in Melres are now 2.1°C warmer than in 1991-2000. In September, Melres averages highs of 25°C and lows of 16°C, with about 8 rainy days and 72 mm of rain. Crowds in Norte are high.
Is September a good time to visit?
Good for
No verdicts for Melres 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 4°C over the month. Nights below 10°C in about 1 in 4.
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 Melres |
|---|---|---|---|
| Vila Velha de Ródão, Centro | 28°C | 5 | 169 km |
| Montalvinho, Oeste e Vale do Tejo | 28°C | 5 | 176 km |
| Tomar, Oeste e Vale do Tejo | 28°C | 5 | 163 km |
| Sardoal, Oeste e Vale do Tejo | 27°C | 5 | 172 km |
| Madalena (Tomar), Oeste e Vale do Tejo | 27°C | 5 | 167 km |
The nearest towns with a warmer September. Distances are in a straight line.
How September is changing
Town-level · ERA5-LandSeptember highs are 2.1°C warmer than in 1991-2000, and September rainfall is down about 30% (2016-2025 against 1991-2000). Days above 25°C in September went from 10 to 15 a year on average.
Questions about Melres in September
How warm is Melres in September?
Average highs are 25°C and lows 16°C. August averages 28°C and October 21°C.
Does it rain much in Melres in September?
About 8 days have at least 1 mm of rain, with 72 mm in total over the month.
Is Melres 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 Melres in September?
About 12 h 32 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