September weather forecast
Rincon, PR

September arrays an intriguing concoction of climatic events in Rincon, Puerto Rico. The pattern of changing winds continues with a dip to 8.2mph (13.2km/h), the lowest since May. Rainfall, staying on the higher end, records 3.9" (99mm), the most for the year. On the brighter side, the sea temperatures stay at an alluring high of 84.9°F (29.4°C), making September a hit among water enthusiasts. An unassuming balance of reduced wind days and intermittent rain showers defines September's charm, enhancing the overall scenic splendor.

Temperature

Rincon's temperature records reveal September as the warmest month, marked by average highs of 84.9°F (29.4°C) and lows of 79.7°F (26.5°C).

Heat index

The heat index value during September is evaluated at a fiery hot 95°F (35°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In Rincon, the average relative humidity in September is 77%.

Rainfall

The month with the most rainfall is September, when the rain falls for 21.4 days and typically aggregates up to 3.9" (99mm) of precipitation.

Ocean temperature

September is the month with the warmest seawater, with an average ocean temperature of 84.9°F (29.4°C).
Note: Water activities including swimming and diving at temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of September in Rincon, sunrise is at 6:14 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 6:18 pm AST.

Sunshine

The average sunshine in September is 9.5h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.