September weather forecast
Polk City, FL

September, the first month of the autumn in Polk City, is still a hot month, with an average temperature ranging between max 88.2°F (31.2°C) and min 73.6°F (23.1°C).

Temperature

In Polk City, September's average high-temperature stands at a still tropical 88.2°F (31.2°C), closely related to the preceding month. Polk City's temperature lowers to a mean of 73.6°F (23.1°C) during the nights in September.

Heat index

The heat index for September is evaluated at a scorching 105.8°F (41°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The months with the highest humidity in Polk City are July through September, with an average relative humidity of 79%.

Rainfall

In Polk City, in September, it is raining for 24.1 days, with typically 4.45" (113mm) of accumulated precipitation. In Polk City, during the entire year, the rain falls for 197.3 days and collects up to 38.74" (984mm) of precipitation.

Daylight

In Polk City, Florida, the average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 7:06 am and sunset at 7:48 pm. On the last day of September, in Polk City, Florida, sunrise is at 7:20 am and sunset at 7:14 pm EDT.

Sunshine

In September, the average sunshine in Polk City is 8.8h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Polk City, Florida. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 7 in September translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.