September weather forecast
Fort Green Springs, FL

The first month of the autumn, September, is still a hot month in Fort Green Springs, Florida, with an average temperature fluctuating between 73.6°F (23.1°C) and 88°F (31.1°C).

Temperature

As September takes hold, the average high-temperature is a still tropical 88°F (31.1°C), nearly mirroring that of the previous month. In Fort Green Springs, the nighttime temperature averages to a moderately hot 73.6°F (23.1°C) during September.

Heat index

The average heat index in September is computed 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.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

With an average relative humidity of 80%, September is the most humid month.

Rainfall

In Fort Green Springs, during September, the rain falls for 23.5 days and regularly aggregates up to 4.09" (104mm) of precipitation. Throughout the year, there are 195.2 rainfall days, and 35.47" (901mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of September in Fort Green Springs, sunrise is at 7:07 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:14 pm EDT.

Sunshine

In Fort Green Springs, the average sunshine in September is 8.8h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.