Lagos weather in September (Algarve, Portugal)

Looking to travel to Lagos in September? Here's what the weather might have in store during this month.

In Lagos the weather in September is generally perfect, characterized by high temperatures and low rainfall. September is a summer month. Anticipate daytime temperatures around 77°F (show in °C), while night temperatures can drop to 65°F.

Lagos in September usually receives low rainfall, averaging around 0.8 inches (show in mm) for the month. Rain is expected on roughly 3 days.

With around 267 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

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 Lagos climate page with graphs.


Lagos, monthly averages in September

Show in Celsius
Min Temperature 64.8°F  
Max Temperature 76.8°F  
Chance of Rain 9%  
Precipitation 0.8 inches  
Rainy days 3 days  
Sunshine 267 hours  
Percentage Sunshine  

Where to go in Portugal in September

Find out more about the weather in Portugal in September and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So, what should you wear in Lagos in September?

For visitors traveling to Lagos, 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 in September.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Lagos.

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 climate conditions. Find out where to go with our weather planner.