Angra do Heroísmo weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: July – August
What is the weather like in Angra do Heroísmo in September?
In September, Angra do Heroísmo is warm: daytime highs average 22 °C, and even at night it stays warm at around 20 °C. The sea averages 22.6 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 48 mm. It is often windy, with gusts of around 29 km/h. All in all, September is a good month for a holiday in Angra do Heroísmo.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 84 | 65 | 37 |
| Day | 23° | 22° | 20° |
| Night | 21° | 20° | 18° |
| Sea | 23° | 23° | 21° |
| Sun | 9 h | 7 h | 5 h |
| Rain days | 6 | 9 | 12 |
More details for September
- Daylight
- 12 h 30 min07:29 – 19:59
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 10 daysdew point 18 °C or moreAll months
- Wind
- 29 km/haverage daily peakAll months
- Cloud cover
- 57 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+0Atlantic/Azores
How the score comes together
- Temperatureweight 35 %55 %
- Seaweight 25 %80 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 20 %65 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
- Windproof jacket
Angra do Heroísmo in September: quick answers
Is Angra do Heroísmo hot in September?
Warm rather than hot: in September, daytime highs in Angra do Heroísmo average 22 °C and nights cool to about 20 °C.
Can you swim in Angra do Heroísmo in September?
Yes. In September the sea averages 22.6 °C – refreshing for a swim.
Does it rain much in Angra do Heroísmo in September?
Rain falls on about 9 days, adding up to 48 mm.
Angra do Heroísmo month by month
The whole year in Angra do HeroísmoAll destinations: PortugalWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences