Miami Beach Weather in September

Miami Beach in September sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 25°C (77°F). With the rainy season in full effect, expect around 189 mm (7.4 in) of rainfall and regular showers throughout the month.

Rainfall in Miami Beach in September

Miami Beach is in the rainy season in September, with rain on around 25 days and an average of 189 mm (7.4 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Miami Beach in September

September in Miami Beach sees highs of 31°C (88°F) and lows of 25°C (77°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Miami Beach in September

Expect a lot of sunshine this month, with about 260 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

Wind Speed in Miami Beach in September

In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in September

At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Miami Beach. Our weather planner can help you explore destinations with more pleasant weather conditions.