Weather in Miami Dade County, United States in September

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Visiting Miami Dade County, United States in September

The weather in September is marginally cooler than the previous month and temperatures continue to drop into October. September has average maximum temperatures of 31°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 63.3% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright. It is a good time for sunbathing in Miami Dade County.

September has total rainfall of 22.4cm (8.8inches) making it quite rainy but mostly with moderate tropical showers. There are 18.7 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 29°C (84°F). September is an excellent month for swimming in Miami Dade County with very comfortable temperatures for bathing all day. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.

Consider visiting Miami Dade County in the months of March, April, May, November, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Miami Dade County in September?

Yes, September is a good time for sunbathing in Miami Dade County.

September has average maximum temperatures of 31°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 63.3% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright. September has total rainfall of 22.4cm (8.8inches) making it quite rainy but mostly with moderate tropical showers. There are 18.7 days with some rainfall so you can still enjoy the beach on the clear days.

More about September temperature and sunshine.

Can you swim in Miami Dade County in September?

Yes, September is an excellent month for swimming in Miami Dade County with very warm sea temperatures 29°C (84°F).

More about September sea temperatures.

Is September a good time to holiday in Miami Dade County?

Yes, September is a good time for a holiday in Miami Dade County.

September has average maximum temperatures of 31°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 63.3% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright. September has total rainfall of 22.4cm (8.8inches) making it quite rainy but mostly with moderate tropical showers. There are 18.7 days with some rainfall so you can still enjoy the beach on the clear days. It is a good time for sunbathing in Miami Dade County. Sea temperatures are a very warm 29°C (84°F). September is an excellent month for swimming in Miami Dade County with very comfortable temperatures for bathing all day.

More about the September temperatures and sunshine.

Is Miami Dade County warm in September?

Yes, Miami Dade County is very hot and perfect for sunbathing on clear days in September.

The average maximum temperature in Miami Dade County in September is 31°C (89°F). The average maximum temperature is 32°C (90°) in the previous month and 29°C (84°F) in the next month.

The average temperature in Miami Dade County in September is 28°C (82°F). The average temperature is 29°C (84°F) in the previous month and 25°C (77°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Miami Dade County in September?

The average day light hours per day in Miami Dade County in September are 12.3. The sunshine percentage is 63.3% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright.

More about September sunshine.

Temperature in Miami Dade County in September

The weather in September is marginally cooler than the previous month and temperatures continue to drop into October. The average maximum temperature in Miami Dade County in September is 31°C (89°F). The average maximum temperature is 32°C (90°F) in the previous month and 29°C (84°F) in the next month.

The average temperature in Miami Dade County in September is 28°C (82°F). The average temperature is 29°C (84°F) in the previous month and 25°C (77°F) in the next month.

The average minimum temperature in Miami Dade County in September is 24°C (75°F). The minimum temperature is 25°C (77°F) in the previous month and 21°C (70°F) in the next month.

Sunshine in Miami Dade County in September

The days in September are slightly shorter than the previous month and days continue to get slightly shorter into October. September has fewer hours of sunshine than the previous month and hours of sunshine continue to drop slightly into October. During September the average day light hours are 12.3 per day in Miami Dade County. The sunshine percentage is 63.3% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright.

The ultraviolet index in Miami Dade County in September is typically 10.4 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Miami Dade County in September

The average sea water temperature in Miami Dade County in September is 29°C (84.2°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.

Rainfall in Miami Dade County in September

September weather is slightly wetter than the previous month. September has a couple of less days of rain than the previous month and rainy days continue to drop quickly into October. The average total rainfall in Miami Dade County in September is 22.4cm (8.8inches) and on average there are 18.7 rainy days in September making it a wet time to visit the beach.

Humidity in Miami Dade County in September

The maximum dew point (an indicator of humidity) in Miami Dade County in September is 24°C (75°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 25°C (77°F) in the previous month and 21°C (21°F) in the next month.

The average maximum relative humidity in Miami Dade County in September is typically 90.4%. The maximum relative humidity is 89.7% in the previous month and 87.7% in the next month.

The average relative humidity in Miami Dade County in September is typically 75.6%. The average relative humidity is 75% in the previous month and 72.1% in the next month.

Wind Speed in Miami Dade County in September

The average maximum wind speed in Miami Dade County in September is typically 27KM/H (17MPH). The average maximum wind speed is 28KM/H (17MPH) in the previous month and 26KM/H (16MPH) in the next month.

The average wind speed in Miami Dade County in September is typically 11KM/H (7MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 13KM/H (8MPH) in the next month.

The average wind direction in Miami Dade County in September is from the East.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.