Weather in Caribbean Coast, Costa Rica in September

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Visiting Caribbean Coast, Costa Rica in September

The weather in September is slightly warmer than the previous month. September has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 38.3% making it very cloudy and overcast with some periods of sunshine. There are 4.7 hours of sunshine per day. It is a good time for sunbathing in Caribbean Coast.

September has total rainfall of 29.5cm (11.6inches) making it quite rainy but mostly with moderate showers. There are just 8.1 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a warm 22°C (71°F). September is a good month for swimming in Caribbean Coast with comfortable temperatures for most people. The sea temperature in September is much cooler than the previous month.

Consider visiting Caribbean Coast in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Caribbean Coast in September?

Yes, September is a good time for sunbathing in Caribbean Coast.

September has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 38.3% making it very cloudy and overcast with some periods of sunshine. There are 4.7 hours of sunshine per day. September has total rainfall of 29.5cm (11.6inches) making it quite rainy but mostly with moderate showers. There are just 8.1 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about September temperature and sunshine.

Can you swim in Caribbean Coast in September?

Yes, September is a good month for swimming in Caribbean Coast with warm sea temperatures 22°C (71°F).

More about September sea temperatures.

Is September a good time to holiday in Caribbean Coast?

Yes, September is a great time for a holiday in Caribbean Coast.

September has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 38.3% making it very cloudy and overcast with some periods of sunshine. There are 4.7 hours of sunshine per day. September has total rainfall of 29.5cm (11.6inches) making it quite rainy but mostly with moderate showers. There are just 8.1 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is a good time for sunbathing in Caribbean Coast. Sea temperatures are a warm 22°C (71°F). September is a good month for swimming in Caribbean Coast with comfortable temperatures for most people.

More about the September temperatures and sunshine.

Is Caribbean Coast warm in September?

Yes, Caribbean Coast is very hot and perfect for sunbathing on clear days in September.

The average maximum temperature in Caribbean Coast in September is 31°C (87°F). The average maximum temperature is 31°C (87°) in the previous month and 30°C (86°F) in the next month.

The average temperature in Caribbean Coast in September is 27°C (81°F). The average temperature is 27°C (81°F) in the previous month and 27°C (80°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Caribbean Coast in September?

The average day light hours per day in Caribbean Coast in September are 12.2. The sunshine percentage is 38.3% making it very cloudy and overcast with some periods of sunshine. There are 4.7 hours of sunshine per day.

More about September sunshine.

Temperature in Caribbean Coast in September

The weather in September is slightly warmer than the previous month. The average maximum temperature in Caribbean Coast in September is 31°C (87°F). The average maximum temperature is 31°C (87°F) in the previous month and 30°C (86°F) in the next month.

The average temperature in Caribbean Coast in September is 27°C (81°F). The average temperature is 27°C (81°F) in the previous month and 27°C (80°F) in the next month.

The average minimum temperature in Caribbean Coast in September is 24°C (75°F). The minimum temperature is 24°C (75°F) in the previous month and 24°C (75°F) in the next month.

Sunshine in Caribbean Coast in September

The days in September are marginally shorter than the previous month and days continue to get marginally shorter into October. September has a slightly more hours of sunshine than the previous month. During September the average day light hours are 12.2 per day in Caribbean Coast. The sunshine percentage is 38.3% making it very cloudy and overcast with some periods of sunshine. There are 4.7 hours of sunshine per day.

The ultraviolet index in Caribbean Coast in September is typically 13.7 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.

Sea Temperature in Caribbean Coast in September

The average sea water temperature in Caribbean Coast in September is 21.5°C (70.7°F) which is comfortable for swimming though some may prefer warmer water. The sea temperature in September is much cooler than the previous month.

Rainfall in Caribbean Coast in September

September weather is significantly wetter than the previous month and rainfall continues to rise slightly into October. September has fewer days of rain than the previous month. The average total rainfall in Caribbean Coast in September is 29.5cm (11.6inches) and on average there are 8.1 rainy days in September making it a pretty wet time to visit the beach.

Humidity in Caribbean Coast in September

The maximum dew point (an indicator of humidity) in Caribbean Coast in September is 24°C (76°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 25°C (76°F) in the previous month and 24°C (24°F) in the next month.

The average maximum relative humidity in Caribbean Coast in September is typically 92.1%. The maximum relative humidity is 93.2% in the previous month and 91.7% in the next month.

The average relative humidity in Caribbean Coast in September is typically 76.6%. The average relative humidity is 78.5% in the previous month and 79% in the next month.

Wind Speed in Caribbean Coast in September

The average maximum wind speed in Caribbean Coast in September is typically 14KM/H (9MPH). The average maximum wind speed is 16KM/H (10MPH) in the previous month and 14KM/H (9MPH) in the next month.

The average wind speed in Caribbean Coast in September is typically 5KM/H (3MPH). The average wind speed is 6KM/H (4MPH) in the previous month and 5KM/H (3MPH) in the next month.

The average wind direction in Caribbean Coast in September is from the North.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.