September weather forecast
Bonnie, FL

September, the first month of the autumn in Bonnie, is still a tropical month, with temperature in the range of an average low of 73.6°F (23.1°C) and an average high of 88.2°F (31.2°C).

Temperature

September's average high-temperature is a still hot 88.2°F (31.2°C), maintaining a close comparison with August's 90°F (32.2°C). In the month of September, the temperature generally rests at an average low of 73.6°F (23.1°C).

Heat index

The average heat index in September is calculated to be an extremely hot 105.8°F (41°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

August and September, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Bonnie, in September, it is raining for 20.6 days, with typically 3.98" (101mm) of accumulated precipitation. In Bonnie, during the entire year, the rain falls for 189 days and collects up to 36.54" (928mm) of precipitation.

Daylight

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

Sunshine

In September, the average sunshine in Bonnie, Florida, is 8.6h.

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 hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 7 in September translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.