September weather forecast
Ewell, FL

The first month of the autumn, September, is also a hot month in Ewell, Florida, with an average temperature fluctuating between 73.6°F (23.1°C) and 88.2°F (31.2°C).

Temperature

As Ewell steps into September, the average high-temperature is measured at a still hot 88.2°F (31.2°C), displaying minor differences from August's 90°F (32.2°C). September brings an average low-temperature of 73.6°F (23.1°C) to Ewell.

Heat index

In September, the heat index is calculated to be an extremely hot 105.8°F (41°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Understanding the heat index involves considering values for shaded locales with light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

August and September, with an average relative humidity of 79%, are the most humid months.

Rainfall

In September, in Ewell, Florida, the rain falls for 20.6 days. Throughout September, 3.98" (101mm) of precipitation is accumulated. Throughout the year, there are 189 rainfall days, and 36.54" (928mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Ewell is 12h and 19min.
On the first day of September, sunrise is at 7:06 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 September, the average sunshine in Ewell is 8.6h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Ewell. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.