Swimming in Tamarindo in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Tamarindo in september 2025.

In september, according to seasonal norms, the sea temperature in Tamarindo is:

Minimum: 82°F

Average: 84°F

Maximum: 87°F

Other useful seasonal weather averages in september:

  • Outside temperature: 77°F to 86°F
  • Most common weather: "Partly Cloudy"
  • The wind blows at 15.5mph
  • It rains a total of 10.7in, over 18 day(s).

Should we swim in Tamarindo in september?

Yes! The water temperature in Tamarindo in september is ideal

In september, swimming is ideal on the beaches around Tamarindo! With water reaching 87°F at most and 84°F on average, spending time in the water is very pleasant.

Note also that in september, the climate is tolerable with an average outside temperature of 81°F, 10.7in of precipitation (over 18 days) and 88.36 % humidity.

Water and normal seasonal temperatures in Tamarindo in september

September
Average sea temperature 84°F
Minimum sea temperature 82°F
Maximum sea temperature 87°F
Average outside temperature 81°F
Maximum outside temperature 86°F
Minimum outside temperature 77°F
Wind speed 8.1mph
Wind temperature 77°F
Precipitation 10.7in
Number of days of rain 18 jour(s)
(59%)
Humidity 89%
Visibility in kilometers 9.21km
Cloud cover 41%
Our opinion ideal swimming

Chart of the tides in september 2025

Tide times in september 2025 in Tamarindo

Swim elsewhere in Costa Rica in september

City Average T° Max. T° Our opinion
La Cruz in september85°F87°Fideal swimming
Montezuma in september84°F86°Fideal swimming
Puerto Limón in september85°F87°Fideal swimming
Puntarenas in september85°F86°Fideal swimming
Tortuguero in september85°F87°Fideal swimming
Manzanillo in september85°F87°Fideal swimming
Puerto Jiménez in september84°F86°Fideal swimming
Miramar in september85°F86°Fideal swimming

Swim in Costa Rica in september: sea temperature by city

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