September weather forecast
Bithlo, FL

The first month of the autumn, September, is still a hot month in Bithlo, Florida, with an average temperature varying between 88.3°F (31.3°C) and 74.3°F (23.5°C).

Temperature

September's onset sees an average high-temperature of a still hot 88.3°F (31.3°C), exhibiting a slight fluctuation from the previous month. During September, the average low-temperature in Bithlo is a moderately hot 74.3°F (23.5°C).

Heat index

September's average heat index is appraised at a blistering 105.8°F (41°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

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

Rainfall

In Bithlo, in September, it is raining for 14.5 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Bithlo, there are 130.9 rainfall days, and 12.17" (309mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Bithlo, Florida, is 12h and 19min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:11 pm EDT.

Sunshine

The average sunshine in September in Bithlo is 8.9h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 7 in September translates into this advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.