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Things to Do in Cascais in September
Real historical weather for Cascais in September: average highs of 22°C and lows of 17°C, with around 31mm of rain (averaged over the last 3 years). Cascais is in Portugal.
22°C
Average high
17°C
Average low
31mm
Typical rainfall
Real things to do in Cascais in September
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Cascais Coastal Secrets 90 Minute Cruise with Free Wine and Beer
★ 5.0(27 reviews)· 1h 30m
From €38
Sintra-Cascais-Pena Palace 8-People Small Group Tour from Lisbon
★ 4.9(1,894 reviews)· 9 hrs
From €55
Guided Tour to Sintra, Pena, Regaleira, Cabo da Roca and Cascais
★ 4.9(3,696 reviews)· 10 hrs
From €80
Cascais: Glamour and Decay by The Lisbon Coastline - Private Tour
★ 4.9(59 reviews)· 4 hrs
From €30
Cascais Self-Guided City Walking Tour & Scavenger Hunt
★ 4.9(9 reviews)· 2 hrs
From €5
Small Group Tour to Sintra, Pena Palace, Cabo Roca and Cascais
★ 4.9(4,544 reviews)· 8 hrs
From €63
Private Tour Sintra, Pena Palace and Cascais from Lisbon
★ 4.9(261 reviews)· 8 hrs
From €110
Sintra and Cascais Small-Group Day Trip from Lisbon
★ 4.8(7,719 reviews)· 8 hrs
From €59
Lisbon: Sintra, Pena, Regaleira, Cabo Roca Coast and Cascais 8h
★ 4.7(300 reviews)· 9 hrs
From €30
Sintra, Pena Palace, Quinta da Regaleira & Cascais Group Tour
★ 4.7(875 reviews)· 8h 30m
From €30
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FAQs — Cascais in September
Based on real historical data (averaged over the last 3 years), expect highs around 22°C and lows around 17°C, with roughly 31mm of rain.