September weather forecast
Old Duette, FL

The first month of the autumn, September, is still a tropical month in Old Duette, Florida, with temperature in the range of an average high of 88°F (31.1°C) and an average low of 73.8°F (23.2°C).

Temperature

As September unfolds, the average high-temperature reaches a still tropical 88°F (31.1°C), hinting at a slight fluctuation from the previous month. Old Duette experiences a mean temperature of 73.8°F (23.2°C) during September nights.

Heat index

The heat index value during September is computed to be a blistering 107.6°F (42°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

With an average relative humidity of 81%, September is the most humid month.

Rainfall

In Old Duette, in September, it is raining for 21 days, with typically 2.32" (59mm) of accumulated precipitation. In Old Duette, during the entire year, the rain falls for 175.4 days and collects up to 22.8" (579mm) of precipitation.

Daylight

In September, the average length of the day in Old Duette is 12h and 19min.
On the first day of September in Old Duette, sunrise is at 7:07 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:15 pm EDT.

Sunshine

The average sunshine in September in Old Duette is 8.8h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.