September weather forecast
Manalapan, FL

The first month of the autumn, September, is still a warm month in Manalapan, Florida, with an average temperature fluctuating between 80.1°F (26.7°C) and 85.1°F (29.5°C).

Temperature

The average high-temperature is a warm 85.1°F (29.5°C) in September, hardly different from the 86.7°F (30.4°C) recorded in August. Manalapan's average nighttime temperature in September modestly descends to a still moderately hot 80.1°F (26.7°C).

Heat index

September's heat index is computed to be a torrid 95°F (35°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. 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 are highly critical for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Manalapan, in September, during 26.8 rainfall days, 7.48" (190mm) of precipitation is typically accumulated. In Manalapan, during the entire year, the rain falls for 238.3 days and collects up to 54.53" (1385mm) of precipitation.

Daylight

In Manalapan, the average length of the day in September is 12h and 18min.
On the first day of the month, sunrise is at 7:00 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:07 pm EDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Manalapan. 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, an average UV index of 7 transforms into the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.