September weather forecast
Port Orange, FL

September, the first month of the autumn in Port Orange, is still a hot month, with temperature in the range of an average low of 75.9°F (24.4°C) and an average high of 86.4°F (30.2°C).

Temperature

September's advent notes a subtle adjustment in average high-temperature to a still tropical 86.4°F (30.2°C) from August. Port Orange encounters an average low-temperature of 75.9°F (24.4°C) during September nights.

Heat index

Throughout September, the heat index is appraised at a sweltering 98.6°F (37°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In Port Orange, the average relative humidity in September is 76%.

Rainfall

In Port Orange, in September, it is raining for 19.7 days, with typically 4.21" (107mm) of accumulated precipitation. Throughout the year, in Port Orange, there are 186.5 rainfall days, and 32.6" (828mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Port Orange, Florida, is 12h and 20min.
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, in Port Orange, sunrise is at 7:16 am and sunset at 7:10 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Port Orange. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.