September weather forecast
Fort White, FL

The first month of the autumn, September, is still a hot month in Fort White, Florida, with temperature in the range of an average low of 72°F (22.2°C) and an average high of 87.3°F (30.7°C).

Temperature

Fort White starts September with an average high-temperature of a still hot 87.3°F (30.7°C), hinting at a minimal fluctuation from August. In September, the average low-temperature is an agreeable 72°F (22.2°C).

Heat index

For most parts of September, the heat index is computed to be a fiery hot 102.2°F (39°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

August and September, with an average relative humidity of 78%, are the most humid months in Fort White.

Rainfall

In September, the rain falls for 16 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. In Fort White, during the entire year, the rain falls for 145.8 days and collects up to 13.39" (340mm) of precipitation.

Daylight

The average length of the day in September in Fort White is 12h and 20min.
On the first day of the month, sunrise is at 7:08 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:17 pm EDT.

Sunshine

The average sunshine in September in Fort White is 8.5h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.