September weather forecast
Carnestown, FL

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Weather in September

The first month of the autumn, September, is also a hot month in Carnestown, Florida, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 78.4°F (25.8°C).

Temperature

September reports an average high-temperature of a still tropical 87.1°F (30.6°C), slightly varied from August's 88.3°F (31.3°C). Nights in September exhibit a minor reduction to an average low temperature of 78.4°F (25.8°C).

Heat index

In September, the heat index is calculated to be a sweltering 100.4°F (38°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. With 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 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In Carnestown, the average relative humidity in September is 75%.

Rainfall

In Carnestown, Florida, in September, during 21.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, in Carnestown, Florida, there are 162.1 rainfall days, and 21.69" (551mm) of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 18min.
On the first day of the month, sunrise is at 7:05 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:12 pm EDT.

Sunshine

The average sunshine in September in Carnestown is 9.2h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a daily UV index of 7 turns into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

How hot is it in Carnestown in September?

The average high-temperature, in September, in Carnestown, is 87.1°F (30.6°C), while the average low-temperature is 78.4°F (25.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in September is calculated to be 100.4°F (38°C).

What is the average humidity in September in Carnestown?

The average relative humidity in September in Carnestown is 75%.

How many days does it rain in September in Carnestown?

In Carnestown, Florida, during September, the rain falls for 21.5 days and regularly aggregates up to 2.4" (61mm) of precipitation.

How many hours of daylight does Carnestown have in September?

In Carnestown, Florida, the average day length in September is 12h and 18min.

When is the sunrise / sunset in September in Carnestown?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 7:44 pm. On the last day of the month, in Carnestown, Florida, sunrise is at 7:17 am and sunset at 7:12 pm EDT.

How many hours of sunshine does Carnestown have in September?

In September, the average sunshine duration in Carnestown is 9.2h.

What are the months with the highest UV index in Carnestown?

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

How high is the UV index in September in Carnestown?

In Carnestown, Florida, 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 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
Carnestown, FL

Average temperature in September - Carnestown, FL
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (71.6°F).

  • Average low temperature in September: 78.4°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

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Average pressure in September
Carnestown, FL

Average pressure in September - Carnestown, FL
  • Average pressure in September: 29.94"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.94"Hg).

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Average wind speed in September
Carnestown, FL

Average wind speed in September - Carnestown, FL
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is November (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in September
Carnestown, FL

Average humidity in September - Carnestown, FL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in September
Carnestown, FL

Average rainfall in September - Carnestown, FL
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is March (0.63").

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Average rainfall days in September
Carnestown, FL

Average rainfall days in September - Carnestown, FL
  • Average rainfall days in September: 21.5 days

The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (7 days).

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Average daylight in September /
Average sunshine in September
Carnestown, FL

Average daylight in September / Average sunshine in September - Carnestown, 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 1min

The months with the most sunshine are May and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in September
Carnestown, FL

Average sunshine days in September - Carnestown, FL
  • Average sunshine days in September: 7.1 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is August (6.8 days).

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Average UV index in September
Carnestown, FL

Average UV index in September - Carnestown, 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 months with the lowest UV index are January and February (UV index 5).

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Average cloud cover in September
Carnestown, FL

Average cloud cover in September - Carnestown, FL
  • Average cloud cover in September: 27

The month with the most cloud cover is January (Cloud cover 28).
The months with the least cloud cover are March and April (Cloud cover 22).

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Average visibility in September
Carnestown, FL

Average visibility in September - Carnestown, 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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Carnestown, Florida, USA

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