September weather forecast
Gillette, FL

September, the first month of the autumn in Gillette, is also a hot month, with an average temperature varying between 77.2°F (25.1°C) and 87.3°F (30.7°C).

Temperature

September's arrival registers an average high-temperature of a still hot 87.3°F (30.7°C), closely aligning with the temperature of the previous month. During September, Gillette's temperature falls to a steady low-temperature average of 77.2°F (25.1°C).

Heat index

In September, the average heat index is calculated to be a very hot 100.4°F (38°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. 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 hold great significance to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In Gillette, the average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 21.7 days. Throughout September, 3.46" (88mm) of precipitation is accumulated. Throughout the year, there are 172.1 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Daylight

In Gillette, the average length of the day in September is 12h and 19min.
On the first day of September in Gillette, sunrise is at 7:09 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:17 pm EDT.

Sunshine

The average sunshine in September is 9.1h.

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 threat to health from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 7 in September translates into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.