Rio Maior weather in September (Portugal)

Is September a good time to explore Rio Maior weather-wise? Use this page to get an overview of the month’s weather conditions.

Temperatures

Expect perfect weather in Rio Maior during September, which means high temperatures and moderate rainfall. The summer season is characteristic of September. Expect daytime highs to reach approximately 27°C, with nighttime lows dipping to around 16°C.

Precipitation

Rio Maior in September usually receives moderate rainfall, averaging around 39 mm for the month. Historically, the month has about 7 days of rain.

Average sunshine

Enjoy a sunny month with about 198 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. April, 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 Rio Maior climate page with graphs.

 

Rio Maior, monthly averages in September

Min Temperature 16°C  

Max Temperature 27°C  

Chance of Rain 23%  

Precipitation 39 mm  

Rainy days 7 days  

Humidity 88% *  

Sunshine 198 hours *  

Percentage Sunshine 53% *  

* Data from: Cabo Carvoeiro, Portugal (40 KM, 25 Miles).

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

7/10

Cycling

8/10

Walking

8/10

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 Rio Maior.

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.