Weather in Porto in September
September in Porto is warm outdoor weather. Days are long enough to be useful. Shade starts to matter at midday.
In Portugal, this is how Porto actually wears September, not how a country centroid would. Compared with August and January, September sits in the middle of Porto's year.
Pack for Porto in September, not for a brochure that was photographed in another season.
- Average temp
- 19°C
15–24°C
- Rainfall
- 75 mm
Showers likely
- Sunshine
- 7.6 h
hours per day
- Wind
- 11 km/h
What to expect
Daytime
Warm days in Porto 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 Porto 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 are cooler. A layer helps after sunset.
What to pack
Sun protection
Rain jacket
A layer for cooler evenings
Where to stay in Porto
Dates are a starting point for September.
Travel guides for Porto
What to read before you book.
Average weather in Porto
TemperatureRainfall
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FAQs about Porto
Climate averages for Porto, 1991–2020.
The best time to visit Porto is between May and October, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 20°C.
November is the wettest month, with about 181 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
