September weather forecast
El Portal, FL

The first month of the autumn, September, is also a hot month in El Portal, Florida, with an average temperature ranging between max 86.4°F (30.2°C) and min 80.6°F (27°C).

Temperature

With the arrival of September, El Portal's average high-temperature registers at a still hot 86.4°F (30.2°C), indicating a subtle variation from the previous month. In El Portal, September nights experience a modest descent in temperature from daily peaks, cooling down to an average of 80.6°F (27°C).

Heat index

September's mean heat index is estimated at a torrid 96.8°F (36°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In September, the average relative humidity in El Portal, Florida, is 73%.

Rainfall

In El Portal, in September, it is raining for 21.3 days, with typically 1.34" (34mm) of accumulated precipitation. In El Portal, during the entire year, the rain falls for 166.7 days and collects up to 12.91" (328mm) of precipitation.

Daylight

In El Portal, the average length of the day in September is 12h and 18min.
On the first day of September, sunrise is at 7:01 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:08 pm EDT.

Sunshine

In September, the average sunshine is 9h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in El Portal. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.