September weather forecast
Cocoa Beach, FL

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A high pier with a shed on the stunning Cocoa Beach in Florida with white sands and blue water, mild waves, and a sweet clear sky
A high pier with a shed on the stunning Cocoa Beach in Florida with white sands and blue water, mild waves, and a sweet clear sky

Weather in September

In September, Cocoa Beach begins the transition from summer to fall. Even though temperatures begin to descend, the city still enjoys a warm sea temperature, inviting beach enthusiasts. The city experiences a sharp decrease in rainfall, falling to 0.91" (23mm). Moreover, wind speeds increase, but mild and pleasant weather prevails. Overall, September offers an attractive blend of end-summer warmth and start-fall tranquillity, adding a unique charm to Cocoa Beach's atmosphere.

Temperature

Cocoa Beach marks the arrival of September with an average high-temperature of a warm 84.2°F (29°C), hardly different from August's 86°F (30°C). September nighttime temperatures in Cocoa Beach hover close to the daytime peak with an average of 78.3°F (25.7°C).

Heat index

The average heat index in September is appraised at a tropical 93.2°F (34°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Cocoa Beach, in September, it is raining for 16.3 days, with typically 0.91" (23mm) of accumulated precipitation. In Cocoa Beach, during the entire year, the rain falls for 126.2 days and collects up to 9.02" (229mm) of precipitation.

Ocean temperature

In Cocoa Beach, in September, the average water temperature is 84°F (28.9°C).
Note: For swimming, diving, and enjoying other water activities, the range of 77°F (25°C) to 84.2°F (29°C) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.

Daylight

The average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 7:01 am and sunset at 7:43 pm. On the last day of September, in Cocoa Beach, Florida, sunrise is at 7:15 am and sunset at 7:09 pm EDT.

Sunshine

In Cocoa Beach, the average sunshine in September is 9.1h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, an average UV index of 7 transforms into the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Warning! The reflection of sand and water increases the UV dose.
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Frequently asked questions

How hot does it get in Cocoa Beach in September?

The average high-temperature and low-temperature during September are 84.2°F (29°C) and 78.3°F (25.7°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in September is appraised at 93.2°F (34°C).

What is the average humidity in September in Cocoa Beach?

The average relative humidity in September in Cocoa Beach is 78%.

How much does it rain in Cocoa Beach in September?

In September, the rain falls for 16.3 days. Throughout September, 0.91" (23mm) of precipitation is accumulated.

What is the ocean temperature in September in Cocoa Beach?

In Cocoa Beach, in September, the average water temperature is 84°F (28.9°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Cocoa Beach have in September?

In Cocoa Beach, the average day length in September is 12h and 19min.

When is the sunrise / sunset in September in Cocoa Beach?

In September, on the first day of the month, sunrise is at 7:01 am and sunset at 7:43 pm. On the last day of the month, in Cocoa Beach, sunrise is at 7:15 am and sunset at 7:09 pm EDT.

How many hours of sunshine does Cocoa Beach have in September?

The average sunshine duration in September in Cocoa Beach, Florida, is 9.1h.

When is the highest UV index in Cocoa Beach?

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

What is the UV index reading in September in Cocoa Beach?

In Cocoa Beach, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cocoa Beach, FL

Average temperature in September - Cocoa Beach, FL
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is August (86°F).
The month with the lowest average high temperature is January (68.4°F).

  • Average low temperature in September: 78.3°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (59.4°F).

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Average pressure in September
Cocoa Beach, FL

Average pressure in September - Cocoa Beach, FL
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

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Average wind speed in September
Cocoa Beach, FL

Average wind speed in September - Cocoa Beach, FL
  • Average wind speed in September: 8.8mph

The windiest month (with the highest average wind speed) is November (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

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Average humidity in September
Cocoa Beach, FL

Average humidity in September - Cocoa Beach, FL
  • Average humidity in September: 78%

The months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in September
Cocoa Beach, FL

Average rainfall in September - Cocoa Beach, FL
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is August (1.65").
The driest month (with the least rainfall) is March (0.2").

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Average rainfall days in September
Cocoa Beach, FL

Average rainfall days in September - Cocoa Beach, FL
  • Average rainfall days in September: 16.3 days

The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is January (4.5 days).

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Average sea temperature in September
Cocoa Beach, FL

Average sea temperature in September - Cocoa Beach, FL
  • Average sea temperature in September: 84.1°F

The best month for swimming (with the highest average sea temperature) is August (84.7°F).
The coldest month (with the lowest average sea temperature) is January (71.4°F).

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Average daylight in September /
Average sunshine in September
Cocoa Beach, FL

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in September: 9h and 1min

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

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Average sunshine days in September
Cocoa Beach, FL

Average sunshine days in September - Cocoa Beach, FL
  • Average sunshine days in September: 8 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is August (5.1 days).

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Average UV index in September
Cocoa Beach, FL

Average UV index in September - Cocoa 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 4).

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Average cloud cover in September
Cocoa Beach, FL

Average cloud cover in September - Cocoa Beach, FL
  • Average cloud cover in September: 28

The months with the most cloud cover are January, November and December (Cloud cover 34).
The months with the least cloud cover are April, May, July and August (Cloud cover 26).

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Average visibility in September
Cocoa Beach, FL

Average visibility in September - Cocoa 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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Cocoa Beach, Florida, USA

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