Weather in Algarve in September
September in Algarve is warm outdoor weather. Days are long enough to be useful. Shade starts to matter at midday.
In Portugal, this is how Algarve actually wears September, not how a country centroid would. Compared with August and January, September sits in the middle of Algarve's year.
Pack for Algarve in September, not for a brochure that was photographed in another season.

- Average temp
- 22°C
19–26°C
- Rainfall
- 28 mm
Not much rain
- Sunshine
- 9.3 h
hours per day
- Wind
- 12 km/h
What to expect
Daytime
Warm days in Algarve in September. A hat starts to earn its keep at midday. Evenings are the comfortable part of the clock.
You can walk at more hours than in the fierce months. Still build in a pause when the sun is high. Nights are easy.
Rain
Mixed skies in Algarve in September. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings stay warm.
What to pack
Sun protection
Where to stay in Algarve
Dates are a starting point for September.

Travel guides for Algarve
What to read before you book.
Average weather in Algarve
TemperatureRainfall
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Algarve
Climate averages for Algarve, 1991–2020.
The best time to visit Algarve is between May and October, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 25°C.
December is the wettest month, with about 102 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.


