September weather forecast
Indian Shores, FL

September, the first month of the autumn in Indian Shores, is still a hot month, with an average temperature fluctuating between 86.2°F (30.1°C) and 77.9°F (25.5°C).

Temperature

September's onset records an average high-temperature of a still tropical 86.2°F (30.1°C), a near match to August's 87.6°F (30.9°C). Indian Shores, in September, logs an average low-temperature of 77.9°F (25.5°C), a subtle step down from daytime readings.

Heat index

In September, the average heat index is estimated at a very hot 96.8°F (36°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Indian Shores, during September, the rain falls for 21.2 days and regularly aggregates up to 3.5" (89mm) of precipitation. In Indian Shores, Florida, during the entire year, the rain falls for 165.3 days and collects up to 26.93" (684mm) of precipitation.

Ocean temperature

In September, the average ocean temperature is 84.7°F (29.3°C).
Note: Swimming, diving, and similar water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

In September, the average length of the day is 12h and 19min.
On the first day of September, sunrise is at 7:10 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:18 pm EDT.

Sunshine

In Indian Shores, the average sunshine in September is 9.2h.

UV index

The months with the highest UV index in Indian Shores are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Warning! The reflection of sand and water increases the UV dose.