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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Miami Beach's climate page.
Miami Beach Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F) *
Chance of Rain
82%
Precipitation
189 mm (7.4 in)
Rainy days
25 days
Humidity
78% *
Windspeed
4 m/s (8 knots) *
Sunshine
260 hours *
Percentage Sunshine
71% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Miami Beach typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Miami Beach in September
Browse day-by-day weather records for Miami Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Miami Beach historical weather extremes in September
According to our 49 years of weather records for Miami Beach, the following extremes were recorded between 1976 and 2025.
- Miami Beach recorded its highest September temperature of 35°C (95°F) on September 13, 2024.
- The coldest September day was on September 30, 1984, with a maximum of 24°C (75°F).
- The lowest overnight temperature recorded in September was 20°C (68°F) (September 30, 2022).
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
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What to Wear in Miami Beach in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Miami Beach in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Miami Beach's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Miami Beach climate overview or explore weather in the United States of America.
