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

September, with an average high of 84.9°F (29.4°C) and a low of 79.7°F (26.5°C), signifies the warmest month of the year.

Heat index

For September, the heat index is evaluated at a torrid 95°F (35°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

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

Rainfall

September is the month with the most rainfall in Rincon, Puerto Rico. Rain falls for 21.4 days and accumulates 3.9" (99mm) of precipitation.

Ocean temperature

The month with the warmest seawater in Rincon is September, with an average ocean temperature of 84.9°F (29.4°C).
Note: With water temperature from 77°F (25°C) to 84.2°F (29°C), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

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

Sunshine

In Rincon, 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. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 7 in September suggests the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.