Will I be hot?
Will I be hot in Porto in September?
Verdict
Maybe — Warm at times.
Highs around 76°F — comfortable in shade, warm in direct sun.
Day vs. night
Day
76°F
Warm
Breathable fabrics; sunscreen matters more than a jacket.
Night
60°F
Comfortable
Comfortable outside without an extra layer.
Why
Porto in September averages highs of 76°F, lows of 60°F, 6 rainy days.
Bring a light layer for the shade and a hat for the sun — the difference between them can feel like 15°F.
See a full outfit plan for warm afternoons →
Porto in September outfit ideas from ForecastStyle.
Nearby months
Packing pointers
Best shoes
Breathable shoes & sandals for Porto in September →