September weather forecast
Cocoa Beach, FL

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

The first month of the autumn, September, is still a warm month in Cocoa Beach, Florida, with an average temperature varying between 78.3°F (25.7°C) and 84.2°F (29°C).

Temperature

In Cocoa Beach, the average high-temperature in September is essentially the same as in August - a moderately hot 84.2°F (29°C). In September, in Cocoa Beach, the average low-temperature is 78.3°F (25.7°C).

Heat index

The average heat index in September is calculated to be a tropical 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, wind, clothing, and metabolic differences affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Cocoa Beach, the average relative humidity in September is 78%.

Rainfall

In Cocoa Beach, in September, during 16.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. 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, the average seawater temperature in September is 84°F (28.9°C).
Note: 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.

Daylight

In September, the average length of the day is 12h and 19min.
On the first day of the month, sunrise is at 7:00 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:10 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Cocoa Beach are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in September in Cocoa Beach?

In September, in Cocoa Beach, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 78.3°F (25.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 93.2°F (34°C).

What is the average humidity in September in Cocoa Beach?

In Cocoa Beach, Florida, the average relative humidity in September is 78%.

How much does it rain in Cocoa Beach in September?

In Cocoa Beach, Florida, in September, it is raining for 16.3 days, with typically 0.91" (23mm) of accumulated precipitation.

What is the ocean temperature in September in Cocoa Beach?

In September, the average ocean temperature is 84°F (28.9°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in September in Cocoa Beach?

In September, the average day length in Cocoa Beach 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 7:00 am and sunset at 7:44 pm. On the last day of the month, in Cocoa Beach, sunrise is at 7:14 am and sunset at 7:10 pm EDT.

How long on average sun shines in September in Cocoa Beach?

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

What is the month with 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 intensity in September in Cocoa Beach?

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
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 19min

The month with the longest days is June (Average daylight: 13h and 55min).
The month with the shortest days is December (Average daylight: 10h and 23min).

  • Average sunshine in September: 9h and 6min

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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