September weather forecast
Sidell, FL

September, the first month of the autumn in Sidell, is still a hot month, with an average temperature varying between 76.3°F (24.6°C) and 88°F (31.1°C).

Temperature

Sidell records an average high-temperature of a still tropical 88°F (31.1°C) in September, closely mirroring the climate of the previous month. September witnesses an average nighttime temperature of 76.3°F (24.6°C).

Heat index

The average heat index in September is computed to be a blistering 104°F (40°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The months with the highest humidity are September and December, with an average relative humidity of 77%.

Rainfall

In Sidell, in September, during 20.6 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, in Sidell, Florida, there are 165.2 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 7:08 am and sunset at 7:48 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 Sidell, Florida, is 9.1h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Sidell. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 7 during September leads to these advisories:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.