Cape Canaveral
Florida, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cape Canaveral, FL

The first month of the autumn, September, is also a moderately hot month in Cape Canaveral, Florida, with average temperature varying between 84.2°F (29°C) and 78.3°F (25.7°C).

Temperature

In Cape Canaveral, the average high-temperature in September is relatively the same as in August - a warm 84.2°F (29°C). In Cape Canaveral, Florida, in September, the average low-temperature is 78.3°F (25.7°C).

Heat index

The average heat index is estimated at a hot 93.4°F (34.1°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. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like clothing, wind, pregnancy, and activity influence one's weather impression. 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

The average relative humidity in September is 77%.

Rainfall

In September, in Cape Canaveral, the rain falls for 23.8 days. Throughout September, 4.84" (123mm) of precipitation is accumulated. In Cape Canaveral, during the entire year, the rain falls for 204.7 days and collects up to 36.57" (929mm) of precipitation.

Ocean temperature

In Cape Canaveral, the average seawater temperature in September is 84°F (28.9°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Cape Canaveral, the average length of the day is 12.3h.

Sunshine

The average sunshine in Cape Canaveral is 9h.

UV index

Months with the highest UV index 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 unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in September transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in September in Cape Canaveral?

The average high-temperature, in September, is 84.2°F (29°C), while the average low-temperature is 78.3°F (25.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines air temperature and relative humidity, is estimated at 93.4°F (34.1°C).

What is the average humidity in September in Cape Canaveral?

The average relative humidity in September in Cape Canaveral is 77%.

How many days does it rain in September in Cape Canaveral?

In Cape Canaveral, during September, the rain falls for 23.8 days and regularly aggregates up to 4.84" (123mm) of precipitation.

What is the ocean temperature in September in Cape Canaveral?

In Cape Canaveral, Florida, in September, the average water 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 Cape Canaveral?

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

How long on average sun shines in September in Cape Canaveral?

In Cape Canaveral, Florida, the average sunshine in September is 9h.

What are the months with the highest UV index in Cape Canaveral?

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

What is the UV index intensity in September in Cape Canaveral?

In September, the average daily maximum UV index in Cape Canaveral, Florida, is 7. A UV Index of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Cape Canaveral, 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).

Average humidity in September - Cape Canaveral, FL
  • Average humidity in September: 77%

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

Average rainfall in September - Cape Canaveral, FL
  • Average rainfall in September: 4.84"

The wettest month (with the highest rainfall) is August (6.34").
The driest month (with the least rainfall) is March (1.22").

Average rainfall days in September - Cape Canaveral, FL
  • Average rainfall days in September: 23.8 days

The month with the highest number of rainy days is August (25.7 days).
The month with the least rainy days is February (10.3 days).

Average sea temperature in September - Cape Canaveral, 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).

Average daylight in September / Average sunshine in September - Cape Canaveral, 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).
The month with the least sunshine is January (Average sunshine: 6h).

Average UV index in September - Cape Canaveral, 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).