Month guide · Boiro, Spain
Boiro in September: weather and what to expect
September is the last month of the year with average highs above 20°C in Boiro. September highs in Boiro are now 1.7°C warmer than in 1991-2000. In September, Boiro averages highs of 23°C and lows of 15°C, with about 9 rainy days and 84 mm of rain. Crowds in Galicia are low.
Is September a good time to visit?
Good for
No verdicts for Boiro 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 3°C over the month. A day above 30°C happens in roughly 1 September in 2.
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 Boiro |
|---|---|---|---|
| Valdelacalzada, Extremadura | 30°C | 4 | 457 km |
| Puebla de la Calzada, Extremadura | 30°C | 4 | 459 km |
| Montijo, Extremadura | 29°C | 4 | 457 km |
| La Garrovilla, Extremadura | 29°C | 4 | 461 km |
| Gibraleón, Andalusia | 29°C | 4 | 608 km |
The nearest towns with a warmer September. Distances are in a straight line.
How September is changing
Town-level · ERA5-LandSeptember highs are 1.7°C warmer than in 1991-2000, and September rainfall is down about 45% (2016-2025 against 1991-2000). Days above 25°C in September went from 4.9 to 8.1 a year on average.
Questions about Boiro in September
How warm is Boiro in September?
Average highs are 23°C and lows 15°C. August averages 25°C and October 19°C.
Does it rain much in Boiro in September?
About 9 days have at least 1 mm of rain, with 84 mm in total over the month.
Is Boiro busy in September?
In September 2025, nights booked through online platforms in Galicia were about 35% of the busiest month, which we count as low. The figure is for the whole region and leaves out hotels.
How long are the days in Boiro in September?
About 12 h 34 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