Swimming in Lençóis Maranhenses National Park in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Lençóis Maranhenses National Park in september 2025.

In september, according to seasonal norms, the sea temperature in Lençóis Maranhenses National Park is:

Minimum: 80°F

Average: 81°F

Maximum: 83°F

Other useful seasonal weather averages in september:

  • Outside temperature: 78°F to 89°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 16.2mph
  • It rains a total of 0.9in, over 1 day(s).

Should we swim in Lençóis Maranhenses National Park in september?

Yes! The water temperature in Lençóis Maranhenses National Park in september is ideal

In september, swimming is ideal on the beaches around Lençóis Maranhenses National Park! With water reaching 83°F at most and 81°F on average, spending time in the water is very pleasant.

Note also that in september, the climate is good with an average outside temperature of 84°F, 0.9in of precipitation (over 1 days) and 80.6 % humidity.

Water and normal seasonal temperatures in Lençóis Maranhenses National Park in september

September
Average sea temperature 81°F
Minimum sea temperature 80°F
Maximum sea temperature 83°F
Average outside temperature 85°F
Maximum outside temperature 90°F
Minimum outside temperature 79°F
Wind speed 17.4mph
Wind temperature 79°F
Precipitation 0.9in
Number of days of rain 1 jour(s)
(4%)
Humidity 81%
Visibility in kilometers 9.91km
Cloud cover 23%
Our opinion ideal swimming

Chart of the tides in september 2025

Tide times in september 2025 in Lençóis Maranhenses National Park

Swim elsewhere in Brazil in september

City Average T° Max. T° Our opinion
Rio de Janeiro in september71°F74°Fpleasant swimming
Florianopolis (Santa Catarina Island) in september67°F69°Fcool swimming
Fortaleza in september80°F81°Fideal swimming
Porto Alegre in september62°F65°Fcold swimming
Recife in september80°F81°Fideal swimming
Belem in september83°F85°Fideal swimming
Fernando de Noronha in september80°F81°Fideal swimming
Guarapari in september74°F76°Fpleasant swimming
João Pessoa in september81°F82°Fideal swimming
Paraty in september70°F74°Fpleasant swimming
Arraial d'Ajuda in september78°F80°Fpleasant swimming
Canoa Quebrada in september80°F81°Fideal swimming
Caraiva in september78°F79°Fpleasant swimming
Ilha Grande in september71°F73°Fpleasant swimming
Itacaré in september78°F80°Fpleasant swimming
Jijoca de Jericoacoara in september81°F82°Fideal swimming
Morro de São Paulo in september79°F80°Fpleasant swimming
Olinda in september80°F81°Fideal swimming
Praia do Forte in september79°F80°Fpleasant swimming
Praia do Rosa (Santa Catarina) in september66°F69°Fcool swimming

Swim in Brazil in september: sea temperature by city

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