Cascais weather in September (Lisbon Region, Portugal)
What's the typical weather in Cascais for September? Our page offers a comprehensive look at the weather you can expect this month.
Temperatures
The weather in Cascais is usually perfect in September, featuring pleasant temperatures and moderate rainfall. Expect daytime highs to reach approximately 22°C, with nighttime lows dipping to around 18°C.
Precipitation
Cascais in September usually receives moderate rainfall, averaging around 31 mm for the month. Rain is expected on roughly 6 days.Average sunshine
Enjoy a sunny month with about 278 hours of sunshine, providing a cheerful and lively atmosphere.So this is a great month to visit if you prefer dry days with pleasant temperatures. June, July, August, September and October typically offer the most optimal weather. In contrast, January, February, March, April and December tend to have less optimal conditions.
Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Cascais's climate page.
Cascais, monthly averages in September
Min Temperature
18°C
Max Temperature
22°C
Chance of Rain
20%
Precipitation
31 mm
Rainy days
6 days
Humidity
75%
Sunshine
278 hours
Percentage Sunshine
75%
Where to go in Portugal in September
Find out more about the weather in Portugal and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Cascais's climate page.
So, what should you wear in this month?
For visitors traveling to Cascais, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Cascais.
Our site offers climate and forecast data for every country in the world. Are you going to Portugal? On this website you can find historical weather averages for many cities in Portugal. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
