September weather forecast
Daytona Beach, FL

September weather in Daytona Beach presents a subtle shift from the extreme summer conditions. Though the city witnesses a reduction in rainfall to 4.96" (126mm), it remains one of the year's rainiest periods. Gradual cooling begins to relieve the high summer temperatures, resulting in more comfortable weather. While the occasional rain might persist, the month is well compensated by the extended hours of sunshine. Inching towards October, the city starts noticing shorter daylight hours and slightly cooler sea temperatures.

Temperature

At the start of September, Daytona Beach's average high-temperature reaches a still tropical 86.2°F (30.1°C), subtly different from the preceding month. Nighttime temperature in Daytona Beach lowers to an average of 75.9°F (24.4°C) in September.

Heat index

Throughout September, the heat index is evaluated at a sweltering 98.6°F (37°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

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

Rainfall

In Daytona Beach, Florida, in September, during 22.1 rainfall days, 4.96" (126mm) of precipitation is typically accumulated. In Daytona Beach, during the entire year, the rain falls for 196 days and collects up to 37.91" (963mm) of precipitation.

Ocean temperature

In September, the average ocean temperature in Daytona Beach is 83.8°F (28.8°C).
Note: Water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

In Daytona Beach, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 7:02 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:10 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during September leads to these advisories:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.