October weather forecast
Sanibel, FL

October's weather in Sanibel shows a discernible divergence from September, characterized by moderating heat and diminishing rainfall. October's climate features milder temperatures, a reduction in rain frequencies, and lesser daylight hours. The average daily temperature decreases to a still warm 82.9°F (28.3°C), indicative of the city's transition out of its hot period. However, despite the reduced daylight hours, October exhibits an adequate amount of sunshine, enhancing sightseeing endeavors. Weather patterns in October signify Sanibel's shift towards its cooler season, with marginally lower temperatures and reduced rainfall.

Temperature

The advent of October signifies a minor shift to an average high-temperature of a warm 82.9°F (28.3°C), aligning closely with September. The nights of October are characterized by an average low-temperature of 74.3°F (23.5°C), subtly descending from daytime highs.

Heat index

During October, the heat index is estimated at a hot 89.6°F (32°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The months with the lowest humidity are March, May, July, August and October, with an average relative humidity of 73%.

Rainfall

In Sanibel, in October, during 15.1 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Sanibel, during the entire year, the rain falls for 190.9 days and collects up to 41.73" (1060mm) of precipitation.

Ocean temperature

In Sanibel, in October, the average water temperature is 82.2°F (27.9°C).
Note: In any water activity, temperatures between 77°F (25°C) and 84.2°F (29°C) are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.

Daylight

The average length of the day in October in Sanibel, Florida, is 11h and 32min.
On the first day of October, sunrise is at 7:20 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:46 pm EDT.

Sunshine

In October, the average sunshine in Sanibel is 7.6h.

UV index

The average daily maximum UV index in October is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in October transforms into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take caution! The UV rays from the Sun gain strength from sand and water reflections.