September weather forecast
North River Shores, FL

September, the first month of the autumn in North River Shores, is also a moderately hot month, with an average temperature varying between 85.3°F (29.6°C) and 78.3°F (25.7°C).

Temperature

The advent of September denotes an average high-temperature of a moderately hot 85.3°F (29.6°C), subtly different from August's 87.1°F (30.6°C). North River Shores experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 78.3°F (25.7°C) throughout September.

Heat index

September's mean heat index is computed to be a torrid 96.8°F (36°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In North River Shores, the average relative humidity in September is 77%.

Rainfall

In North River Shores, Florida, in September, it is raining for 22.6 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in North River Shores, there are 168.1 rainfall days, and 14.09" (358mm) of precipitation is accumulated.

Ocean temperature

In North River Shores, the average seawater temperature in September is 84.4°F (29.1°C).
Note: Water activities including swimming and diving at temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.

Daylight

The average length of the day in September in North River Shores, Florida, is 12h and 19min.
On the first day of the month, sunrise is at 7:00 am and sunset at 7:41 pm. On the last day of September, in North River Shores, sunrise is at 7:13 am and sunset at 7:08 pm EDT.

Sunshine

In North River Shores, the average sunshine in September is 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 reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.