Month guide · Angra do Heroísmo, Portugal
Angra do Heroísmo in September: weather and what to expect
In September, Angra do Heroísmo averages highs of 23°C and lows of 21°C, with about 11 rainy days and 54 mm of rain. Highs are 1°C cooler than in August and 2°C warmer than in October. Crowds in the Azores are high.
Is September a good time to visit?
Good for
No verdicts for Angra do Heroísmo in September yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 11 rainy days in the month
Daily highs through September
Town-level · ERA5-Land 1991-2020Highs fall about 1°C over the month. A day above 25°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 Angra do Heroísmo |
|---|---|---|---|
| Benavente, Oeste e Vale do Tejo | 28°C | 5 | 1,593 km |
| Salvaterra de Magos, Oeste e Vale do Tejo | 28°C | 5 | 1,594 km |
| Vale de Santarém, Oeste e Vale do Tejo | 28°C | 5 | 1,598 km |
| Samora Correia, Oeste e Vale do Tejo | 27°C | 5 | 1,588 km |
| Pontével, Oeste e Vale do Tejo | 27°C | 5 | 1,589 km |
The nearest towns with a warmer September. Distances are in a straight line.
How September is changing
Town-level · ERA5-LandSeptember highs are 0.5°C warmer than in 1991-2000, and September rainfall is about the same (2016-2025 against 1991-2000). Days above 25°C in September went from 0.3 to 1.7 a year on average.
Questions about Angra do Heroísmo in September
Is September a good time to visit Angra do Heroísmo?
It is less suited to reliable dry weather (about 11 rainy days in the month).
How warm is Angra do Heroísmo in September?
Average highs are 23°C and lows 21°C. August averages 24°C and October 21°C.
Does it rain much in Angra do Heroísmo in September?
About 11 days have at least 1 mm of rain, with 54 mm in total over the month.
Is Angra do Heroísmo busy in September?
In September 2025, nights booked through online platforms in the Azores were about 65% 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 Angra do Heroísmo in September?
About 12 h 30 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