September weather forecast
Castaway Cove, TN

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Weather in September

September, the first month of the autumn in Castaway Cove, is also a moderately hot month, with an average temperature fluctuating between 60.1°F (15.6°C) and 81.3°F (27.4°C).

Temperature

The arrival of September corresponds with a light shift in temperature, down from a tropical 87.1°F (30.6°C) in August to a warm 81.3°F (27.4°C). Castaway Cove witnesses an average low-temperature of 60.1°F (15.6°C) throughout the month of September.

Heat index

In September, the average heat index is evaluated at a tropical 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Heat index determinations are made taking into account the shade and light air movements. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. 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 highly critical to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In September, the average relative humidity is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Castaway Cove, the average length of the day in September is 12h and 23min.
On the first day of September in Castaway Cove, Tennessee, sunrise is at 7:08 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:21 pm EDT.

Sunshine

In September, the average sunshine in Castaway Cove is 8.7h.

UV index

The average daily maximum UV index in September in Castaway Cove is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the temperature in September in Castaway Cove?

September temperatures in Castaway Cove, Tennessee, vary between a high-temperature of 81.3°F (27.4°C) and a low-temperature of 60.1°F (15.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is evaluated at 86°F (30°C).

What is the average humidity in September in Castaway Cove?

In Castaway Cove, the average relative humidity in September is 74%.

What is the driest month in Castaway Cove?

The month with the least rainfall in Castaway Cove is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.

How much does it rain in Castaway Cove in September?

In Castaway Cove, during September, the rain falls for 12.6 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Castaway Cove?

May through September are months without snowfall.

Does it snow in Castaway Cove in September?

In Castaway Cove, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Castaway Cove?

In Castaway Cove, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Castaway Cove?

On the first day of September in Castaway Cove, Tennessee, sunrise is at 7:08 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:21 pm EDT.

How many hours of sunshine does Castaway Cove have in September?

The average sunshine duration in September in Castaway Cove, Tennessee, is 8.7h.

What is the UV index intensity in September in Castaway Cove?

The average daily maximum UV index in September in Castaway Cove, Tennessee, is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Castaway Cove, TN

Average temperature in September - Castaway Cove, TN
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in September: 60.1°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in September
Castaway Cove, TN

Average pressure in September - Castaway Cove, TN
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Castaway Cove, TN

Average wind speed in September - Castaway Cove, TN
  • Average wind speed in September: 3.8mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in September
Castaway Cove, TN

Average humidity in September - Castaway Cove, TN
  • Average humidity in September: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in September
Castaway Cove, TN

Average rainfall in September - Castaway Cove, TN
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in September
Castaway Cove, TN

Average rainfall days in September - Castaway Cove, TN
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in September
Castaway Cove, TN

Average snowfall in September - Castaway Cove, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Castaway Cove, TN

Average snowfall days in September - Castaway Cove, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Castaway Cove, TN

Average daylight in September / Average sunshine in September - Castaway Cove, TN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in September
Castaway Cove, TN

Average sunshine days in September - Castaway Cove, TN
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in September
Castaway Cove, TN

Average UV index in September - Castaway Cove, TN
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in September
Castaway Cove, TN

Average cloud cover in September - Castaway Cove, TN
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in September
Castaway Cove, TN

Average visibility in September - Castaway Cove, TN
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

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Castaway Cove, Tennessee, USA

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