September weather forecast
Tierra Verde, FL

The first month of the autumn, September, is still a hot month in Tierra Verde, Florida, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 77.9°F (25.5°C).

Temperature

With the onset of September, a modest change to a still hot 86.5°F (30.3°C) from August's 87.8°F (31°C) is noted in high-temperature. Nights in September cool down in Tierra Verde, indicating a minor disparity from daytime highs with an average low-temperature of 77.9°F (25.5°C).

Heat index

The heat index for September is estimated at a sweltering 98.6°F (37°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
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. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In Tierra Verde, Florida, the average relative humidity in September is 74%.

Rainfall

In Tierra Verde, in September, it is raining for 6.5 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, there are 60.4 rainfall days, and 5.16" (131mm) of precipitation is accumulated.

Ocean temperature

In September, the average ocean temperature in Tierra Verde is 84.7°F (29.3°C).
Note: Ideal surface water temperatures for any water activity fall between 77°F (25°C) and 84.2°F (29°C), offering maximum enjoyment for lengthened periods.

Daylight

In Tierra Verde, the average length of the day in September 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 7:23 am and sunset at 7:17 pm EDT.

Sunshine

In September, the average sunshine in Tierra Verde is 9.3h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.