Weather in Puerto Rico in September

So you're interested in going to Puerto Rico in September

September is a hot and rainy time for sunbathing in Puerto Rico. September is an excellent month for swimming in Puerto Rico with very warm sea temperatures. Consider visiting Puerto Rico in the months of February, March, June, October, for the best beach weather. Also consider one of our other suggestions for September.

Temperature in Puerto Rico in September

The average maximum temperature in Puerto Rico in September is 32°. The average maximum temperature is 32° in the previous month and 31° in the next month.

The average temperature in Puerto Rico in September is 28°. The average temperature ranges is 28° in the previous month and 28° in the next month.

The average minimum temperature in Puerto Rico in September is 25°. The minimum temperature is 26° in the previous month and 25° in the next month.

Sunshine in Puerto Rico in September

The average day light hours per day in Puerto Rico in September are 12.2 and there are 8.8 hours of sunshine per day on average during September making it a sunny month with few clouds.

The ultraviolet index in Puerto Rico in September is typically 12.3 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 Puerto Rico in September

The average sea water temperature in Puerto Rico in September is 28.7° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Puerto Rico in September

The average total rainfall in Puerto Rico in September is 28.7cm and on average there are 17.6 rainy days in September making it a wet time to visit the beach.

Humidity in Puerto Rico in September

The maximum dew point (an indicator of humidity) in Puerto Rico in September is 25° 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° in the previous month and 25° in the next month.

The average maximum relative humidity in Puerto Rico in September is typically 90.8%. The maximum relative humidity is 89.1% in the previous month and 90.5% in the next month.

The average relative humidity in Puerto Rico in September is typically 77.9%. The average relative humidity is 77.1% in the previous month and 77.8% in the next month.

Wind Speed in Puerto Rico in September

The average maximum wind speed in Puerto Rico in September is typically 22kmh. The average maximum wind speed is 24kmh in the previous month and 22kmh in the next month.

The average wind speed in Puerto Rico in September is typically 9kmh. The average wind speed is 12kmh in the previous month and 9kmh in the next month.

The average wind direction in Puerto Rico in September is from the East.

Monthly Averages

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