Sines weather in September (Alentejo, Portugal)

How does the September weather in Sines compare to other months? Is now the perfect time to visit? Find all the weather insights for this month on this page.

Temperatures

Expect perfect weather in Sines during September, which means high temperatures and low rainfall. Daytime temperatures hover around 24°C, while nights can cool down to about 18°C.

Precipitation

Sines in September usually receives low rainfall, averaging around 28 mm for the month. Climate statistics over the past 30 years suggest around 4 days of rain.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Sines. May, June, July, August, September and October typically offer 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 Sines climate page with graphs.

 

Sines, monthly averages in September

Min Temperature 18°C  

Max Temperature 24°C  

Chance of Rain 13%  

Precipitation 28 mm  

Rainy days 4 days  

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?

For visitors traveling to Sines, 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.

Cycling

10/10

Walking

10/10

Camping

10/10

Outdoor sports

10/10

Interested in more climate information?

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

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.