
Cascais in September
Cascais in September
Cascais
Visiting Cascais in September means experiencing the autumn. During autumn, Cascais offers crisp air, changing colours, and a cosy atmosphere.
Weather in Cascais in September
Average highs around 21.7C and lows near 16.9C. 42.5mm average precipitation and about 7 rainy days. September typically sits between August and October conditions, so it is useful for travelers wanting a balanced window in Cascais. Pack flexible layers for changing daytime and evening temperatures.
Temperature
September brings autumn conditions in Cascais. The average temperature is about 19.3C, with lows near 16.9C and highs around 21.7C.
Sunshine Hours
Cascais usually gets around 10.7 hours of sunshine per day in September, with roughly 12.4 daylight hours available for sightseeing.
Rain
September sees around 42.5mm of rainfall over about 7 days. Rain can occur for around 2.7 hours per day on average.
Humidity
Humidity in September is generally moderate for Cascais, especially when rainfall periods increase.











