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Sea
28°
Swim
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Sea
28°
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29°
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29°
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28°
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28°
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27°
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27°
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Sea
24°
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25°
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25°
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26°
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September is very hot, and quite sunny but with regular periods of cloudy and overcast skies. September is rainy with occasional dry periods but many rainy days. It is not an optimal time for sunbathing but it is possible on clearer days in Costa Rica. September is a good month for swimming in Costa Rica with warm sea temperatures. Consider visiting Costa Rica in the months of January, February, March, April, for the best beach weather.
Also consider one of our other suggestions for September.
Yes, September is not an optimal time for sunbathing but it is possible on clearer days in Costa Rica. September is very hot but quite a high chance of cloudy skies might make sunbathing less enjoyable, and there is high chance of rain showers.
The average maximum temperature in Costa Rica in September is 31°C (87°F).
More about September temperature and sunshine.
Yes, September is a good month for swimming in Costa Rica with warm sea temperatures 24°C (74°F).
More about September sea temperatures.
Yes, September is a good time for visiting Costa Rica.
September is very hot and quite sunny but with regular periods of cloudy and overcast skies. It is rainy with occasional dry periods but many rainy days.
It's a rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.
The average maximum temperature in Costa Rica in September is 31°C (87°F).
More about the September temperatures and sunshine.
The average minimum temperature in Costa Rica in September is 23°C (73°F). The minimum temperature is 23°C (74°F) in the previous month and 23°C (73°F) in the next month.
More about the September temperatures and sunshine.
The average day light hours per day in Costa Rica in September are 12.2 and there are 4.9 hours of sunshine per day on average during September, making it quite sunny but with regular periods of cloudy and overcast skies.
More about September sunshine.
Yes, September is a good month for swimming in Costa Rica with warm sea temperatures 24°C (74°F).
More about September sea temperatures.
Yes, September is a good time for a holiday in Costa Rica.
September is very hot and quite sunny but with regular periods of cloudy and overcast skies. It is rainy with occasional dry periods but many rainy days.
It's a rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.
The average maximum temperature in Costa Rica in September is 31°C (87°F).
More about the September temperatures and sunshine.
Yes, Costa Rica is worth visiting in September.
September is very hot and quite sunny but with regular periods of cloudy and overcast skies. It is rainy with occasional dry periods but many rainy days.
It's a rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.
The average maximum temperature in Costa Rica in September is 31°C (87°F).
More about the September temperatures and sunshine.
Yes, Costa Rica is very hot in September.
The average maximum temperature in Costa Rica in September is 31°C (87°F). The average maximum temperature is 31°C (88°) in the previous month and 30°C (86°F) in the next month.
The average temperature in Costa Rica in September is 27°C (80°F). The average temperature ranges is 27°C (80°F) in the previous month and 26°C (79°F) in the next month.
More info about the September temperatures and sunshine.
The average maximum temperature in Costa Rica in September is 31°C (87°F). The average maximum temperature is 31°C (88°F) in the previous month and 30°C (86°F) in the next month.
The average temperature in Costa Rica in September is 27°C (80°F). The average temperature ranges is 27°C (80°F) in the previous month and 26°C (79°F) in the next month.
The average minimum temperature in Costa Rica in September is 23°C (73°F). The minimum temperature is 23°C (74°F) in the previous month and 23°C (73°F) in the next month.
The average day light hours per day in Costa Rica in September are 12.2 and there are 4.9 hours of sunshine per day on average during September making it quite sunny but with regular periods of cloudy and overcast skies
The ultraviolet index in Costa Rica in September is typically 13.8 during September. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Costa Rica in September is 23.6°C (74.5°F) which is warm and pleasant for relaxing and swimming for long periods.
The average total rainfall in Costa Rica in September is 19.5cm (7.7inches) and on average there are 18.1 rainy days in September making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Costa Rica in September is 24°C (75°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 24°C (75°F) in the previous month and 24°C (24°F) in the next month.
The average maximum relative humidity in Costa Rica in September is typically 95.3%. The maximum relative humidity is 94.1% in the previous month and 95.5% in the next month.
The average relative humidity in Costa Rica in September is typically 79.8%. The average relative humidity is 76.9% in the previous month and 81.6% in the next month.
The average maximum wind speed in Costa Rica in September is typically 19KM/H (11MPH). The average maximum wind speed is 20KM/H (13MPH) in the previous month and 17KM/H (11MPH) in the next month.
The average wind speed in Costa Rica in September is typically 7KM/H (4MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 7KM/H (4MPH) in the next month.
The average wind direction in Costa Rica in September is from the South.
