Weather in Playa Santa Teresa, Nicoya Peninsula, Costa Rica in September

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Visiting Playa Santa Teresa, Nicoya Peninsula, Costa Rica in September

The weather in September is marginally cooler than the previous month and temperatures continue to drop slightly into October. September has average maximum temperatures of 31°C (88°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 37% making it very cloudy and overcast with some periods of sunshine. There are 4.5 hours of sunshine per day. It is not an optimal time for sunbathing but it is possible on clearer days in Playa Santa Teresa.

September has total rainfall of 21.9cm (8.6inches) making it quite rainy but mostly with moderate tropical showers. There are 19.4 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 26°C (80°F). September is an excellent month for swimming in Playa Santa Teresa with very comfortable temperatures for bathing all day. The sea temperature in September is marginally warmer than the previous month and temperatures continue to rise slightly into October.

September is one of the wettest months in Playa Santa Teresa, with frequent rain showers and cloudy skies. Beach activities may be limited, but there are still opportunities for swimming and sunbathing on less rainy days. Surfing conditions can be unpredictable, and snorkeling and diving visibility may be reduced due to the increased rainfall. Consider visiting Playa Santa Teresa in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Playa Santa Teresa in September?

Yes, September is not an optimal time for sunbathing but it is possible on clearer days in Playa Santa Teresa.

September has average maximum temperatures of 31°C (88°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 37% making it very cloudy and overcast with some periods of sunshine. There are 4.5 hours of sunshine per day. September has total rainfall of 21.9cm (8.6inches) making it quite rainy but mostly with moderate tropical showers. There are 19.4 days with some rainfall so you can still enjoy the beach on the clear days.

More about September temperature and sunshine.

Can you swim in Playa Santa Teresa in September?

Yes, September is an excellent month for swimming in Playa Santa Teresa with very warm sea temperatures 26°C (80°F).

More about September sea temperatures.

Is September a good time to holiday in Playa Santa Teresa?

Yes, September is a good time for a holiday in Playa Santa Teresa.

September has average maximum temperatures of 31°C (88°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 37% making it very cloudy and overcast with some periods of sunshine. There are 4.5 hours of sunshine per day. September has total rainfall of 21.9cm (8.6inches) making it quite rainy but mostly with moderate tropical showers. There are 19.4 days with some rainfall so you can still enjoy the beach on the clear days. It is not an optimal time for sunbathing but it is possible on clearer days in Playa Santa Teresa. Sea temperatures are a very warm 26°C (80°F). September is an excellent month for swimming in Playa Santa Teresa with very comfortable temperatures for bathing all day.

More about the September temperatures and sunshine.

Is Playa Santa Teresa warm in September?

Yes, Playa Santa Teresa is very hot and perfect for sunbathing on clear days in September.

The average maximum temperature in Playa Santa Teresa in September is 31°C (88°F). The average maximum temperature is 32°C (89°) in the previous month and 30°C (86°F) in the next month.

The average temperature in Playa Santa Teresa in September is 27°C (80°F). The average temperature is 27°C (81°F) in the previous month and 26°C (80°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Playa Santa Teresa in September?

The average day light hours per day in Playa Santa Teresa in September are 12.2. The sunshine percentage is 37% making it very cloudy and overcast with some periods of sunshine. There are 4.5 hours of sunshine per day.

More about September sunshine.

Crowds in Playa Santa Teresa in September

September is the least crowded month at Playa Santa Teresa, as it is the height of the wet season, and there are very few tourists in the area. The beach is very quiet during this time, and the weather can be quite rainy. Costa Rica celebrates its Independence Day on September 15th, but this does not significantly affect the crowds at the beach.

Temperature in Playa Santa Teresa in September

The weather in September is marginally cooler than the previous month and temperatures continue to drop slightly into October. The average maximum temperature in Playa Santa Teresa in September is 31°C (88°F). The average maximum temperature is 32°C (89°F) in the previous month and 30°C (86°F) in the next month.

The average temperature in Playa Santa Teresa in September is 27°C (80°F). The average temperature is 27°C (81°F) in the previous month and 26°C (80°F) in the next month.

The average minimum temperature in Playa Santa Teresa 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.

Sunshine in Playa Santa Teresa in September

The days in September are marginally shorter than the previous month and days continue to get marginally shorter into October. During September the average day light hours are 12.2 per day in Playa Santa Teresa. The sunshine percentage is 37% making it very cloudy and overcast with some periods of sunshine. There are 4.5 hours of sunshine per day.

The ultraviolet index in Playa Santa Teresa in September is typically 14.1 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 Playa Santa Teresa in September

The average sea water temperature in Playa Santa Teresa in September is 26.4°C (79.5°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in September is marginally warmer than the previous month and temperatures continue to rise slightly into October.

Rainfall in Playa Santa Teresa in September

September weather is much wetter than the previous month and rainfall continues to rise into October. September has a few more days of rain than the previous month and rainy days continue to rise slightly into October. The average total rainfall in Playa Santa Teresa in September is 21.9cm (8.6inches) and on average there are 19.4 rainy days in September making it a wet time to visit the beach.

Humidity in Playa Santa Teresa in September

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

The average maximum relative humidity in Playa Santa Teresa in September is typically 95.8%. The maximum relative humidity is 94% in the previous month and 96.2% in the next month.

The average relative humidity in Playa Santa Teresa in September is typically 79.7%. The average relative humidity is 75.4% in the previous month and 81.3% in the next month.

Wind Speed in Playa Santa Teresa in September

The average maximum wind speed in Playa Santa Teresa in September is typically 19KM/H (12MPH). The average maximum wind speed is 21KM/H (13MPH) in the previous month and 17KM/H (11MPH) in the next month.

The average wind speed in Playa Santa Teresa 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 Playa Santa Teresa in September is from the South-Southwest.

Monthly Averages

Suggested Beaches in September

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