Swimming in Fernando de Noronha in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Fernando de Noronha in september 2025.

In september, according to seasonal norms, the sea temperature in Fernando de Noronha is:

Minimum: 79°F

Average: 80°F

Maximum: 81°F

Other useful seasonal weather averages in september:

  • Outside temperature: 79°F to 81°F
  • Most common weather: "Partly Cloudy"
  • The wind blows at 16.8mph
  • It rains a total of 1.3in, over 1 day(s).

Should we swim in Fernando de Noronha in september?

Yes! The water temperature in Fernando de Noronha in september is ideal

In september, swimming is ideal on the beaches around Fernando de Noronha! With water reaching 81°F at most and 80°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 80°F, 1.3in of precipitation (over 1 days) and 78.45 % humidity.

Water and normal seasonal temperatures in Fernando de Noronha in september

September
Average sea temperature 80°F
Minimum sea temperature 79°F
Maximum sea temperature 81°F
Average outside temperature 81°F
Maximum outside temperature 81°F
Minimum outside temperature 79°F
Wind speed 19.9mph
Wind temperature 81°F
Precipitation 1.3in
Number of days of rain 1 jour(s)
(3%)
Humidity 79%
Visibility in kilometers 9.87km
Cloud cover 44%
Our opinion ideal swimming

Chart of the tides in september 2025

Tide times in september 2025 in Fernando de Noronha

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
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
Lençóis Maranhenses National Park in september81°F83°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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