ClimateForecastSeptemberOctober >>

São Luís weather in September (Maranhão, Brazil)

Will it be rainy or sunny in São Luís this September? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

The weather in São Luís is usually perfect in September, featuring very high temperatures and low rainfall. Throughout the daytime, temperatures often hover around 31°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 26°C. Remember, these are typical temperatures, and there can be hotter days. Dress appropriately and stay hydrated to remain comfortable.

Precipitation

São Luís in September usually receives low rainfall, averaging around 18 mm for the month. This month sees the least rain, offering perfect conditions for outdoor adventures. Enjoy clear skies and make the most of the dry weather. Climate data suggests that about 6 days will experience rainfall.

Average sunshine

The days are predominantly sunny, with an estimated total of around 250 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

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

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

 

São Luís, monthly averages in September

Min TemperatureMin Temperature 26°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 20%  
PrecipitationPrecipitation 18 mm  
Rainy daysRainy days 6 days  
HumidityHumidity 81% *  
SunshineSunshine 250 hours *  
Percentage SunshinePercentage Sunshine *  

Where to go in Brazil in September

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

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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
9/10
Outdoor sports
8/10

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to Brazil? On this website you can find historical weather averages for many cities in Brazil. 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.