September weather forecast
Harbour Heights, FL

September, the first month of the autumn in Harbour Heights, is also a hot month, with an average temperature varying between 88.7°F (31.5°C) and 75°F (23.9°C).

Temperature

Harbour Heights's average high-temperature in September is a still tropical 88.7°F (31.5°C), indicating a subtle variation from August. In the month of September, the average low-temperature in Harbour Heights usually rests at a warm 75°F (23.9°C).

Heat index

September's mean heat index is calculated to be an extremely hot 107.6°F (42°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Heat index data is primarily for areas with shade and subjected to light winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The most humid month in Harbour Heights is September, with an average relative humidity of 78%.

Rainfall

In Harbour Heights, in September, it is raining for 22.6 days, with typically 3.5" (89mm) of accumulated precipitation. Throughout the year, there are 181.8 rainfall days, and 29.37" (746mm) of precipitation is accumulated.

Daylight

In Harbour Heights, the average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 7:07 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:15 pm EDT.

Sunshine

The average sunshine in September in Harbour Heights, Florida, is 8.9h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 7 during September morphs into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.