Lisbon weather in September (Lisbon Region, Portugal)

Curious about the climate in Lisbon this September? Get all the weather information you need to plan your visit.

Temperatures

For September, the weather in Lisbon is generally perfect, featuring high temperatures and moderate rainfall. The month of September belongs to the summer season. Daytime temperatures are expected to be around 25°C, cooling off to about 17°C at night.

Precipitation

Lisbon in September usually receives moderate rainfall, averaging around 32 mm for the month. Records from the past 30 years suggest that around 6 days will experience rain.

Average sunshine

Enjoy a sunny month with about 280 hours of sunshine, providing a cheerful and lively atmosphere.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. May, June, July, August, September and October generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Lisbon climate page with graphs.

 

Lisbon, monthly averages in September

Min Temperature 17°C  

Max Temperature 25°C  

Chance of Rain 19%  

Precipitation 32 mm  

Rainy days 6 days  

Sunshine 280 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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Lisbon.

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.