September weather forecast
Nalcrest, FL

The first month of the autumn, September, is still a tropical month in Nalcrest, Florida, with an average temperature ranging between min 73.9°F (23.3°C) and max 87.8°F (31°C).

Temperature

The commencement of September records an average high-temperature of a still tropical 87.8°F (31°C), barely varying from August's 90.1°F (32.3°C). Nalcrest encounters an average low-temperature of 73.9°F (23.3°C) during September nights.

Heat index

The heat index for September is estimated at a scorching 105.8°F (41°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

August and September, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Nalcrest, in September, during 17.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Nalcrest, during the entire year, the rain falls for 150.5 days and collects up to 13.43" (341mm) of precipitation.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of September in Nalcrest, sunrise is at 7:04 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:12 pm EDT.

Sunshine

In September, the average sunshine in Nalcrest is 8.8h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. 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: In September, the maximum UV index of 7 suggests this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.