September weather forecast and climate
Cocoa, FL

Weather in September

The first month of the autumn, September, is still a warm month in Cocoa, Florida, with average temperature fluctuating between 76.8°F (24.9°C) and 85.8°F (29.9°C).

Temperature

In Cocoa, the average high-temperature in September is relatively the same as in August - a moderately hot 85.8°F (29.9°C). In Cocoa, Florida, the average low-temperature is 76.8°F (24.9°C).

Heat index

In September, the average heat index is estimated at a torrid 98.2°F (36.8°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like clothing, differences in body mass, height, and shape, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

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

Rainfall

In Cocoa, Florida, during September, the rain falls for 23.4 days and regularly aggregates up to 4.65" (118mm) of precipitation. Throughout the year, in Cocoa, there are 203.1 rainfall days, and 36.77" (934mm) of precipitation is accumulated.

Ocean temperature

In September, the average ocean temperature 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 in Cocoa, Florida, is 12.3h.

Sunshine

In Cocoa, the average sunshine 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 of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 7 in September transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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?

The average high-temperature, in September, is 85.8°F (29.9°C), while the average low-temperature is 76.8°F (24.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines relative humidity and air temperature, in September is calculated to 98.2°F (36.8°C).

What is the average humidity in September in Cocoa?

The average relative humidity in September is 78%.

How many days does it rain in September in Cocoa?

In September, in Cocoa, Florida, the rain falls for 23.4 days. Throughout September, 4.65" (118mm) of precipitation is accumulated.

What is the water temperature in September in Cocoa?

In Cocoa, 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.

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

In Cocoa, Florida, the average length of the day in September is 12.3h.

How many hours of sunshine does Cocoa have in September?

In September, the average sunshine in Cocoa is 9h.

What is the month with the highest UV index in Cocoa?

Months with the highest UV index are May through September, with an average maximum UV index of 7.

What is the UV index reading in September in Cocoa?

In Cocoa, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
Cocoa, FL

Average temperature in September - Cocoa, FL
  • Average high temperature in September: 85.8°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (68.5°F).

  • Average low temperature in September: 76.8°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (57.2°F).

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Average pressure in September
Cocoa, FL

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

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

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Average wind speed in September
Cocoa, FL

Average wind speed in September - Cocoa, FL
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is November (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in September
Cocoa, FL

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

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, FL

Average rainfall in September - Cocoa, FL
  • Average rainfall in September: 4.65"

The wettest month (with the highest rainfall) is August (6.3").
The driest month (with the least rainfall) is March (1.26").

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Average rainfall days in September
Cocoa, FL

Average rainfall days in September - Cocoa, FL
  • Average rainfall days in September: 23.4 days

The month with the highest number of rainy days is August (25.9 days).
The month with the least rainy days is February (10.3 days).

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Average sea temperature in September
Cocoa, FL

Average sea temperature in September - Cocoa, 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, FL

Average daylight in September / Average sunshine in September - Cocoa, FL
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.9h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in September: 9h

The month with the most sunshine is July (Average sunshine: 11h).
Months with the least sunshine are January, November and December (Average sunshine: 6.2).

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Average sunshine days in September
Cocoa, FL

Average sunshine days in September - Cocoa, FL
  • Average sunshine days in September: 4.7 days

The month with the most sunshine days is January (16 days).
The month with the least sunshine days is August (2.6 days).

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Average UV index in September
Cocoa, FL

Average UV index in September - Cocoa, FL
  • Average UV index in September: 7

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, FL

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

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

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Average visibility in September
Cocoa, FL

Average visibility in September - Cocoa, FL
  • Average visibility in September: 6mi

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

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