Weather in September
Temperature
The lowest level of Tortuguero's temperatures is noted during January, August through December, averaging a high-temperature of 29°C (84.2°F).Rainfall
In Tortuguero, in September, it is raining for 22 days, with typically 303mm (11.93") of accumulated precipitation. Throughout the year, in Tortuguero, there are 199 rainfall days, and 4875mm (191.93") of precipitation is accumulated.Sea temperature
May, June, September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.Note: For any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are deemed excellent and extremely satisfying for enduring periods.
Daylight
The average length of the day in September in Tortuguero is 12h and 11min.On the first day of September, sunrise is at 05:24 and sunset at 17:43. On the last day of the month, sunrise is at 05:22 and sunset at 17:24 CST.
Sunshine
February through June, September and December, with an average of 6h of sunshine, are months with the most sunshine.UV index
February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 12 turns into the following recommendations:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Frequent reapplication of a broad-spectrum SPF 30+ sunscreen is vital every two hours or directly after a swim or an outdoor workout. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year in Tortuguero?
How hot does it get in Tortuguero in September?
How much does it rain in Tortuguero in September?
What are the months with the warmest sea water in Tortuguero?
What is the water temperature in September in Tortuguero?
What is the average length of the day in September in Tortuguero?
When is the sunrise / sunset in September in Tortuguero?
What is the month with the most sunshine in Tortuguero?
How many hours of sunshine does Tortuguero have in September?
When is the highest UV index in Tortuguero?
How high is the UV index in September in Tortuguero?
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).
The months with the lowest average high temperature are January, August, September, October, November and December (29°C).
- Average low temperature in September: 23°C
The months with the highest average low temperature are March, April, May and July (24°C).
The 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 least rainfall) is March (177mm).
Average rainfall days in September
Tortuguero, Costa Rica
- Average rainfall days in September: 22 days
The months with the highest number of rainy days are June, July, August, September and October (22 days).
The month with the least rainy days is March (7 days).
Average sea temperature in September
Tortuguero, Costa Rica
- Average sea temperature in September: 29°C
The best months for swimming (with the highest average sea temperature) are May, June, September and October (29°C).
The 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: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 6h
The months with the most sunshine are February, March, April, May, June, September and December (Average sunshine: 6h).
The months with the least sunshine are January, July, August, October and November (Average sunshine: 5h).
Average UV index in September
Tortuguero, Costa Rica
- Average UV index in September: 12
The 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).
Tortuguero, Costa Rica
Weather forecast for your location
2. Allow the app to use your location
