September weather forecast
Indian Harbour Beach, FL

September, the first month of the autumn in Indian Harbour Beach, is also a moderately hot month, with an average temperature ranging between max 85.1°F (29.5°C) and min 77.5°F (25.3°C).

Temperature

With September's advent, Indian Harbour Beach sees an average high-temperature of a warm 85.1°F (29.5°C), subtly shifted from August's 87.3°F (30.7°C). Nighttime temperatures hover around an average low of 77.5°F (25.3°C) in September, a slight descent from daytime highs.

Heat index

For September, the heat index is estimated at a torrid 96.8°F (36°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

The average relative humidity in September in Indian Harbour Beach, Florida, is 78%.

Rainfall

In Indian Harbour Beach, during September, the rain falls for 21.2 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Indian Harbour Beach, during the entire year, the rain falls for 176.1 days and collects up to 22.28" (566mm) of precipitation.

Daylight

In September, the average length of the day in Indian Harbour Beach is 12h and 19min.
On the first day of the month, sunrise is at 7:01 am and sunset at 7:43 pm. On the last day of September, in Indian Harbour Beach, sunrise is at 7:15 am and sunset at 7:09 pm EDT.

Sunshine

The average sunshine in September is 9.1h.

UV index

The months with the highest UV index in Indian Harbour Beach are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 7 transforms into these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.