September weather forecast and climate
Tamarindo, Costa Rica

A bird
A bird's eye view of the Coastal Tamarindo in Costa Rica with clear waters and white sandy beaches in view

What is the coldest month in Tamarindo?

September is the coldest month in Tamarindo, Costa Rica, with an average high-temperature of 30°C (86°F) and an average low-temperature of 23°C (73.4°F).

What is the temperature in September in Tamarindo?

The average high-temperature, in September, is 30°C (86°F), while the average low-temperature is 23°C (73.4°F).

How much does it rain in Tamarindo in September?

In Tamarindo, Costa Rica, during September, the rain falls for 23 days and regularly aggregates up to 356mm (14") of precipitation.

What is the water temperature in September in Tamarindo?

The average seawater temperature, in September, in Tamarindo, Costa Rica, is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
Average temperature in September - Tamarindo, Costa Rica
  • Average high temperature in September: 30°C

Warmest months (with the highest average high temperature) are February, March and April (33°C).
The month with the lowest average high temperature is September (30°C).

  • Average low temperature in September: 23°C

Months with the highest average low temperature are April and May (24°C).
The coldest month (with the lowest average low temperature) is December (22°C).

Average rainfall in September - Tamarindo, Costa Rica
  • Average rainfall in September: 356mm

The wettest month (with the highest rainfall) is October (362mm).
The driest month (with the lowest rainfall) is February (2mm).

Average rainfall days in September - Tamarindo, Costa Rica
  • Average rainfall days in September: 23 days

The month with the highest number of rainy days is September (23 days).
Months with the lowest number of rainy days are February and March (5 days).

Average sea temperature in September - Tamarindo, Costa Rica
  • Average sea temperature in September: 28°C

Best months for swimming (with the highest average sea temperature) are May and June (29°C).
Coldest months (with the lowest average sea temperature) are January, February, March and December (27°C).

Average daylight in September / Average sunshine in September - Tamarindo, Costa Rica
  • Average daylight in September: 12.2h

Months with the longest days are June and July (Average daylight: 12.7h).
The month with shortest days is December (Average daylight: 11.5h).

  • Average sunshine in September: 5h

Months with most sunshine are January, February, March and April (Average sunshine: 8h).
Months with least sunshine are June, August, September and October (Average sunshine: 5).

Average UV index in September - Tamarindo, Costa Rica
  • Average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).

deutscheenglishespañolрусский中文