September weather forecast and climate
Tortuguero, Costa Rica

Temperature

The coldest months are January, August through December, with an average high-temperature of 29°C (84.2°F).

Rainfall

In Tortuguero, Costa Rica, during 22 rainfall days, 303mm (11.9") of precipitation is typically accumulated. In Tortuguero, during the entire year, the rain falls for 199 days and collects up to 4875mm (191.9") of precipitation.

Sea temperature

May, June, September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater. For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Tortuguero, the average length of the day is 12.2h.

Sunshine

February through June, September and December, with an average of 6h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index are February through October, with an average UV index of 12.

What are the coldest months in Tortuguero?

The coldest months in Tortuguero, Costa Rica, are January, August through December, with an average high-temperature of 29°C (84.2°F).

What is the temperature in September in Tortuguero?

In September, in Tortuguero, Costa Rica, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 23°C (73.4°F).

How many days does it rain in September in Tortuguero?

In Tortuguero, Costa Rica, in September, during 22 rainfall days, 303mm (11.9") of precipitation is typically accumulated.

What are the months with the warmest sea water in Tortuguero?

Months with the warmest seawater in Tortuguero are May, June, September and October, with an average sea temperature of 29°C (84.2°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the sea water temperature in September in Tortuguero?

In Tortuguero, Costa Rica, in September, the average water temperature is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Tortuguero have in September?

In September, the average length of the day in Tortuguero is 12.2h.

What are the months with the most sunshine in Tortuguero?

Months with the most sunshine in Tortuguero, Costa Rica, are February through June, September and December, with an average of 6h of sunshine.

How long on average sun shines in September in Tortuguero?

The average sunshine in September in Tortuguero is 6h.

What are the months with the highest UV index in Tortuguero?

Months with the highest UV index in Tortuguero are February through October, with an average UV index of 12.

What is the UV index intensity in September in Tortuguero?

In September, the average UV index in Tortuguero, Costa Rica, is 12.
Average temperature in September - Tortuguero, Costa Rica
  • Average high temperature in September: 29°C

The warmest month (with the highest average high temperature) is April (32°C).
Months with the lowest average high temperature are January, August, September, October, November and December (29°C).

  • Average low temperature in September: 23°C

Months with the highest average low temperature are March, April, May and July (24°C).
Coldest months (with the lowest average low temperature) are November and December (22°C).

Average rainfall in September - Tortuguero, Costa Rica
  • Average rainfall in September: 303mm

The wettest month (with the highest rainfall) is July (624mm).
The driest month (with the lowest rainfall) is March (177mm).

Average rainfall days in September - Tortuguero, Costa Rica
  • Average rainfall days in September: 22 days

Months with the highest number of rainy days are June, July, August, September and October (22 days).
The month with the lowest number of rainy days is March (7 days).

Average sea temperature in September - Tortuguero, Costa Rica
  • Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are May, June, September and October (29°C).
Coldest months (with the lowest average sea temperature) are January, February, March, April, July, August, November and December (28°C).

Average daylight in September / Average sunshine in September - Tortuguero, 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: 6h

Months with most sunshine are February, March, April, May, June, September and December (Average sunshine: 6h).
Months with least sunshine are January, July, August, October and November (Average sunshine: 5).

Average UV index in September - Tortuguero, 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).

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