September weather forecast
Shell Bluff, FL

The first month of the autumn, September, is also a hot month in Shell Bluff, Florida, with an average temperature ranging between max 88.7°F (31.5°C) and min 73.4°F (23°C).

Temperature

In Shell Bluff, September's average high-temperature stands at a still tropical 88.7°F (31.5°C), closely related to the preceding month. The temperature in Shell Bluff dips to an average of 73.4°F (23°C) during September nights.

Heat index

The heat index in September is evaluated at a scorching 105.8°F (41°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

July through September, with an average relative humidity of 77%, are the most humid months in Shell Bluff.

Rainfall

In Shell Bluff, Florida, in September, during 15.7 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, in Shell Bluff, there are 151.1 rainfall days, and 17.99" (457mm) of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of September in Shell Bluff, sunrise is at 7:03 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:12 pm EDT.

Sunshine

The average sunshine in September in Shell Bluff is 8.1h.

UV index

In Shell Bluff, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.