September weather forecast
North Miami Beach, FL

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Weather in September

September, the first month of the autumn in North Miami Beach, is still a hot month, with temperature in the range of an average low of 81°F (27.2°C) and an average high of 86.2°F (30.1°C).

Temperature

North Miami Beach in September witnesses an average high-temperature of a still hot 86.2°F (30.1°C), indicating a slight variation from August's 87.6°F (30.9°C). During the September nights, North Miami Beach's temperature maintains an average close to the daytime highs, settling at a moderately hot 81°F (27.2°C).

Heat index

In September, the average heat index is calculated to be a sweltering 96.8°F (36°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In North Miami Beach, the average relative humidity in September is 73%.

Rainfall

In North Miami Beach, Florida, in September, during 21.7 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, in North Miami Beach, there are 157 rainfall days, and 11.34" (288mm) of precipitation is accumulated.

Snowfall

September is the only month when snow falls in North Miami Beach. The month with the most snowfall is September, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

Daylight

In September, the average length of the day is 12h and 18min.
On the first day of the month, sunrise is at 7:01 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:07 pm EDT.

Sunshine

In North Miami Beach, the average sunshine in September is 9h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during September translates into these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

Is it hot in North Miami Beach during September?

The high-temperature, in September, in North Miami Beach, is 86.2°F (30.1°C), while the low-temperature averages to 81°F (27.2°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 96.8°F (36°C).

What is the average humidity in September in North Miami Beach?

In North Miami Beach, the average relative humidity in September is 73%.

How many days does it rain in September in North Miami Beach?

In September, the rain falls for 21.7 days. Throughout September, 1.1" (28mm) of precipitation is accumulated.

When does it snow the most in North Miami Beach?

The month with the most snowfall is September, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

When does it start to snow in North Miami Beach?

September is the first month it typically snows in North Miami Beach. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does North Miami Beach have in September?

The average day length in September in North Miami Beach, Florida, is 12h and 18min.

When are sunrise and sunset in September in North Miami Beach?

On the first day of September in North Miami Beach, Florida, sunrise is at 7:01 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:07 pm EDT.

How many hours of sunshine does North Miami Beach have in September?

The average sunshine duration in September is 9h.

When is the highest UV index in North Miami Beach?

The months with the highest UV index in North Miami Beach are May through September, with an average maximum UV index of 7.

What is the UV index reading in September in North Miami Beach?

In North Miami Beach, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
North Miami Beach, FL

Average temperature in September - North Miami Beach, FL
  • Average high temperature in September: 86.2°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (73°F).

  • Average low temperature in September: 81°F

The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (64°F).

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Average pressure in September
North Miami Beach, FL

Average pressure in September - North Miami Beach, FL
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).

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Average wind speed in September
North Miami Beach, FL

Average wind speed in September - North Miami Beach, FL
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is March (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

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Average humidity in September
North Miami Beach, FL

Average humidity in September - North Miami Beach, FL
  • Average humidity in September: 73%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is March (69%).

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Average rainfall in September
North Miami Beach, FL

Average rainfall in September - North Miami Beach, FL
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is August (1.97").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in September
North Miami Beach, FL

Average rainfall days in September - North Miami Beach, FL
  • Average rainfall days in September: 21.7 days

The month with the highest number of rainy days is September (21.7 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in September
North Miami Beach, FL

Average snowfall in September - North Miami Beach, FL
  • Average snowfall in September: 0.04"

The month with the highest snowfall is September (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0").

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Average snowfall days in September
North Miami Beach, FL

Average snowfall days in September - North Miami Beach, FL
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
North Miami Beach, FL

Average daylight in September / Average sunshine in September - North Miami Beach, FL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

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Average sunshine days in September
North Miami Beach, FL

Average sunshine days in September - North Miami Beach, FL
  • Average sunshine days in September: 4.4 days

The month with the most sunshine days is March (20.3 days).
The month with the least sunshine days is September (4.4 days).

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Average UV index in September
North Miami Beach, FL

Average UV index in September - North Miami Beach, FL
  • Average UV index in September: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 5).

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Average cloud cover in September
North Miami Beach, FL

Average cloud cover in September - North Miami Beach, FL
  • Average cloud cover in September: 30

The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 27).

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Average visibility in September
North Miami Beach, FL

Average visibility in September - North Miami Beach, FL
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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North Miami Beach, Florida, USA

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