Cascais weather in September
Mild and comfortable, with occasional showers. Average highs of 23°C and lows of 18°C, with around 5 rainy days expected throughout the month.
✦ This is a recommended month to visit Cascais. The combination of weather, atmosphere and experience is at its best.
Average high
23°C
Average low
18°C
Rainy days
5 days
Best months to visit
May, June, July, August, September
What to do in Cascais in September
Whatever the weather, Cascais rewards curious visitors. Here are some of the best ways to spend your time:
Beach relax at Praia da Ribeira or Praia de Cascais
Walk the waterfront promenade lined with restaurants
Hike to nearby Cabo da Roca (Europe's westernmost point)
Visit the Citadel fortress overlooking the harbour
Explore Estoril's elegant buildings and casino
Browse galleries and boutiques near the waterfront
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
15C
Cool, with some rainy days.
February
15C
Cool, with occasional showers.
March
16C
Cool, with occasional showers.
April
17C
Cool, with some rainy days.
Recommended
May
20C
Mild and comfortable, with occasional showers.
Recommended
June
21C
Mild and comfortable, with occasional showers.
Recommended
July
23C
Mild and comfortable, and mostly sunny skies.
Recommended
August
23C
Mild and comfortable, and mostly sunny skies.
Recommended
September (you are here)
23C
Mild and comfortable, with occasional showers.
October
21C
Mild and comfortable, with some rainy days.
November
17C
Cool, with some rainy days.
December
16C
Cool, with some rainy days.
Book your September trip to Cascais
Find hotels, tours and experiences for the perfect escape.
