September weather forecast
Spring Lake, FL

The first month of the autumn, September, is still a hot month in Spring Lake, Florida, with temperature in the range of an average high of 88.2°F (31.2°C) and an average low of 72.9°F (22.7°C).

Temperature

With September's advent, Spring Lake, Florida, sees an average high-temperature of a still hot 88.2°F (31.2°C), subtly shifted from August's 90°F (32.2°C). During September, Spring Lake's temperature falls to a steady low-temperature average of 72.9°F (22.7°C).

Heat index

The heat index for September is calculated to be a scorching 105.8°F (41°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

July through September, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Spring Lake, during September, the rain falls for 15.9 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Spring Lake, Florida, during the entire year, the rain falls for 140.2 days and collects up to 15" (381mm) of precipitation.

Daylight

In September, the average length of the day is 12h and 19min.
On the first day of September, sunrise is at 7:07 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:15 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

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 health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.