September weather forecast
Pine Castle, FL

The first month of the autumn, September, is still a tropical month in Pine Castle, Florida, with an average temperature fluctuating between 88.5°F (31.4°C) and 74.3°F (23.5°C).

Temperature

In September, Pine Castle's weather conditions record an average high-temperature of a still tropical 88.5°F (31.4°C), demonstrating little divergence from the preceding month. Nighttime temperature experiences an average drop to a warm 74.3°F (23.5°C) in September.

Heat index

September's heat index is calculated to be a scorching 105.8°F (41°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. 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. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The months with the highest humidity are July through September and December, with an average relative humidity of 77%.

Rainfall

In Pine Castle, during September, the rain falls for 18.6 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, in Pine Castle, there are 175 rainfall days, and 28.94" (735mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in September in Pine Castle is 8.7h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 7 during September leads to these advisories:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.