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September has average maximum temperatures of 30°C (86°F) which is very warm 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 San Juan.
September has total rainfall of 50.5cm (19.9inches) making it rainy with a chance of occasional heavy tropical showers. There are 22 days with some rainfall so there are few clear days to enjoy the beach.
Sea temperatures are a very warm 30°C (86°F). September is an excellent month for swimming in San Juan with very comfortable temperatures for bathing all day. The sea temperature in September is slightly cooler than the previous month.
September continues to experience rainfall, but the intensity begins to decrease towards the end of the month. Beach activities like swimming, sunbathing, and snorkeling can still be enjoyed during the sunny breaks. Surfing conditions may vary, but enthusiasts can still find suitable waves for a thrilling experience. Consider visiting San Juan 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 San Juan.
September has average maximum temperatures of 30°C (86°F) which is very warm 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 50.5cm (19.9inches) making it rainy with a chance of occasional heavy tropical showers. There are 22 days with some rainfall so there are few clear days to enjoy the beach.
More about September temperature and sunshine.
Yes, September is an excellent month for swimming in San Juan with very warm sea temperatures 30°C (86°F).
More about September sea temperatures.
Yes, September is a good time for a holiday in San Juan.
September has average maximum temperatures of 30°C (86°F) which is very warm 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 50.5cm (19.9inches) making it rainy with a chance of occasional heavy tropical showers. There are 22 days with some rainfall so there are few clear days to enjoy the beach. It is not an optimal time for sunbathing but it is possible on clearer days in San Juan. Sea temperatures are a very warm 30°C (86°F). September is an excellent month for swimming in San Juan with very comfortable temperatures for bathing all day.
More about the September temperatures and sunshine.
Yes, San Juan is very warm and perfect for sunbathing on clear days in September.
The average maximum temperature in San Juan in September is 30°C (86°F). The average maximum temperature is 30°C (86°) in the previous month and 31°C (88°F) in the next month.
The average temperature in San Juan in September is 26°C (79°F). The average temperature is 26°C (79°F) in the previous month and 26°C (79°F) in the next month.
More info about the September temperatures and sunshine.
The average day light hours per day in San Juan 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.
September is another low season month in San Juan, La Union, with minimal crowds on the beach due to the rainy weather. There are no major public holidays or events during this month, so the beach remains relatively quiet and peaceful.
The average maximum temperature in San Juan in September is 30°C (86°F). The average maximum temperature is 30°C (86°F) in the previous month and 31°C (88°F) in the next month.
The average temperature in San Juan in September is 26°C (79°F). The average temperature is 26°C (79°F) in the previous month and 26°C (79°F) in the next month.
The average minimum temperature in San Juan in September is 23°C (73°F). The minimum temperature is 23°C (73°F) in the previous month and 23°C (73°F) in the next month.
The days in September are marginally shorter than the previous month and days continue to get marginally shorter into October. September has marginally more hours of sunshine than the previous month and hours of sunshine continue to rise into October. During September the average day light hours are 12.2 per day in San Juan. 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 San Juan in September is typically 13.6 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 San Juan in September is 29.9°C (85.8°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in September is slightly cooler than the previous month.
September weather is significantly drier than the previous month and rainfall continues to drop markedly into October. September has fewer days of rain than the previous month and rainy days continue to drop quickly into October. The average total rainfall in San Juan in September is 50.5cm (19.9inches) and on average there are 22 rainy days in September making it a very wet time to visit the beach.
The maximum dew point (an indicator of humidity) in San Juan in September is 20°C (68°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 20°C (67°F) in the previous month and 20°C (20°F) in the next month.
The average maximum relative humidity in San Juan in September is typically 97.5%. The maximum relative humidity is 96.8% in the previous month and 95.7% in the next month.
The average relative humidity in San Juan in September is typically 90%. The average relative humidity is 89.7% in the previous month and 87.1% in the next month.
The average maximum wind speed in San Juan in September is typically 18KM/H (11MPH). The average maximum wind speed is 11KM/H (7MPH) in the previous month and 18KM/H (11MPH) in the next month.
The average wind speed in San Juan in September is typically 7KM/H (4MPH). The average wind speed is 6KM/H (4MPH) in the previous month and 7KM/H (4MPH) in the next month.
The average wind direction in San Juan in September is from the North.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
