September weather forecast
Sunny Isles Beach, FL

The first month of the autumn, September, is still a tropical month in Sunny Isles Beach, Florida, with average temperature fluctuating between 87.8°F (31°C) and 75.2°F (24°C).

Temperature

In Sunny Isles Beach, the average high-temperature in September is practically the same as in August - a still hot 87.8°F (31°C). The average low-temperature, in September, is 75.2°F (24°C).

Rainfall

In Sunny Isles Beach, during September, the rain falls for 17 days and regularly aggregates up to 7.52" (191mm) of precipitation. In Sunny Isles Beach, during the entire year, the rain falls for 135 days and collects up to 55.98" (1422mm) of precipitation.

Ocean temperature

In September, the average ocean temperature in Sunny Isles Beach is 84.2°F (29°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In September, the average length of the day in Sunny Isles Beach is 12.3h.

Sunshine

In Sunny Isles Beach, the average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index is 10. A UV Index value of 8 to 10 symbolizes a very high health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 10 in September interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.