Porto vs Sintra in September

Porto and Sintra are nearly tied in September — 91 vs 91 on SeasonMap's comfort score. Porto is warm, a little rain, muggy air; Sintra is warm, dry, clean air.

Porto vs SintraSeptember climate, side by side

PortoSintra
Comfort score91/100 (S)91/100 (S)
Feels-like high24°C24°C
Avg high / low24° / 14°23° / 17°
Rainfall57 mm24 mm
Rainy days73
Humidity75%80%
Air quality (AQI)5138

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Porto vs Sintra in September — FAQ

Is September better in Porto or Sintra?
Porto and Sintra are nearly tied in September — 91 vs 91 on SeasonMap's comfort score. Porto is warm, a little rain, muggy air; Sintra is warm, dry, clean air.
What is the weather like in Porto vs Sintra in September?
In September, Porto averages 24°C high / 14°C low with about 57 mm of rain; Sintra averages 23°C high / 17°C low with about 24 mm.