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Maranhão weather in September

Planning a getaway to Maranhão this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What is the weather like in Maranhão in September?

Maranhão is a region in Brazil. September in Maranhão generally has very warm temperatures, with low precipitation.

The average maximum temperatures are very warm and range from 31°C in São Luís to 37°C in Carolina. Nighttime temperatures generally drop to 23°C in Carolina and 26°C in São Luís. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

In September, precipitation varies across different areas. From low rainfall in Barreirinhas with an average of 6.5 mm to low rainfall in Carolina with 22 mm. In São Luís, this particular month consistently records the lowest levels of rainfall, making it the driest period throughout the entire year. The days are mostly sunny, with an average total of around 250 hours of sunshine in São Luís. The sunlight during this month doesn't just make the days brighter, it also seems to make everyone a bit more cheerful.

To learn more about the conditions in specific areas of Maranhão in September, check out the map below. For more details on the yearly weather, visit our Maranhão climate page.

Where to go in Maranhão in September

Find more information for the most popular destinations in the Maranhão on the map below. Click on a destination dot for more detailes.

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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).

Popular destinations

What is the weather like in September for the 5 most popular destinations in Maranhão?

São Luís

In September São Luís generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 26°C and low monthly rainfall. So on average the conditions are perfect that month.

São Luís
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
26°C 
260 hours 
34 mm 
9 days 
31°C 
26°C 
250 hours 
18 mm 
6 days 
October   >> October
>>  
31°C 
26°C 
252 hours 
21 mm 
4 days 
Climate in São Luís

Carolina

In September Carolina generally has very high temperatures with maximum daytime temperatures around 37°C, minimum nighttime temperatures around 23°C and low monthly rainfall. So on average the conditions are unpleasant that month.

Carolina
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
37°C 
22°C 
265 hours 
2.4 mm 
10 days 
37°C 
23°C 
202 hours 
22 mm 
11 days 
October   >> October
>>  
35°C 
24°C 
156 hours 
81 mm 
11 days 
Climate in Carolina

Santo Amaro

In September Santo Amaro generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 25°C and low monthly rainfall. So on average the conditions are perfect that month.

Santo Amaro
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
32°C 
25°C 
16 mm 
9 days 
32°C 
25°C 
10 mm 
7 days 
October   >> October
>>  
32°C 
26°C 
15 mm 
5 days 
Climate in Santo Amaro

Barreirinhas

In September Barreirinhas generally has very high temperatures with maximum daytime temperatures around 34°C, minimum nighttime temperatures around 25°C and low monthly rainfall. So on average the conditions are pleasant that month.

Barreirinhas
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
34°C 
25°C 
11 mm 
9 days 
34°C 
25°C 
6.5 mm 
8 days 
October   >> October
>>  
34°C 
25°C 
9.8 mm 
5 days 
Climate in Barreirinhas

Atins

In September Atins generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 26°C and low monthly rainfall. So on average the conditions are perfect that month.

Atins
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
26°C 
13 mm 
9 days 
31°C 
26°C 
8 mm 
8 days 
October   >> October
>>  
31°C 
26°C 
11 mm 
5 days 
Climate in Atins

Is your destination not in the list? Have a look at other destinations in Maranhão, in Brazil.

Is September the best time to visit Maranhão?

We consider September to be one of the best times to travel to Maranhão. Typically, the climate in São Luís is perfect.

Generally speaking, the best visiting conditions can be found in September and October offering mostly perfect weather in São Luís. On the other hand, the weather in January, February, March, April and May tend to be poor.

Interested in more climate information?

We have much more information about the climate in Maranhão. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Brazil? Get detailed 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 climate conditions. Find out where to go with our weather planner.