September weather forecast
Chapman, FL

The first month of the autumn, September, is still a hot month in Chapman, Florida, with an average temperature fluctuating between 74.8°F (23.8°C) and 88.7°F (31.5°C).

Temperature

The high-temperature average in September for Chapman is a still hot 88.7°F (31.5°C), staying closely aligned with August's conditions. Chapman, in September, observes a steady average low-temperature of 74.8°F (23.8°C).

Heat index

In September, the heat index is evaluated at a scorching 105.8°F (41°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The months with the highest humidity are September and December, with an average relative humidity of 76%.

Rainfall

In Chapman, in September, during 20 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 162.9 rainfall days, and 23.7" (602mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Chapman is 12h and 19min.
On the first day of September, sunrise is at 7:08 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:16 pm EDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.