September weather forecast
Bella Vista Acres, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Bella Vista Acres, Tennessee, with an average temperature varying between 82.2°F (27.9°C) and 61.2°F (16.2°C).

Temperature

Bella Vista Acres indicates an average high-temperature of a warm 82.2°F (27.9°C) in September, showing minor variation from August's 87.4°F (30.8°C). Bella Vista Acres's nights in September experience an average temperature drop to an enjoyable 61.2°F (16.2°C).

Heat index

The heat index for September is evaluated at a hot 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for 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 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 2.48" (63mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September in Bella Vista Acres, Tennessee, is 12h and 23min.
On the first day of the month, sunrise is at 7:13 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:25 pm EDT.

Sunshine

In Bella Vista Acres, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What are September temperatures in Bella Vista Acres?

The high-temperature in Bella Vista Acres during September is 82.2°F (27.9°C) and the low-temperature is 61.2°F (16.2°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in September in Bella Vista Acres?

In Bella Vista Acres, Tennessee, the average relative humidity in September is 75%.

What is the driest month in Bella Vista Acres?

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 2.48" (63mm) of precipitation.

How much does it rain in Bella Vista Acres in September?

In September, in Bella Vista Acres, the rain falls for 12.4 days. Throughout September, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Bella Vista Acres?

May through October are months without snowfall in Bella Vista Acres.

What is the average length of the day in September in Bella Vista Acres?

In Bella Vista Acres, the average day length in September is 12h and 23min.

When are sunrise and sunset in September in Bella Vista Acres?

On the first day of September in Bella Vista Acres, sunrise is at 7:13 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:25 pm EDT.

How many hours of sunshine does Bella Vista Acres have in September?

The average sunshine duration in September in Bella Vista Acres, Tennessee, is 8.5h.

How high is the UV index in September in Bella Vista Acres?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Bella Vista Acres, TN

Average temperature in September - Bella Vista Acres, TN
  • Average high temperature in September: 82.2°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 61.2°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in September
Bella Vista Acres, TN

Average pressure in September - Bella Vista Acres, TN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Bella Vista Acres, TN

Average wind speed in September - Bella Vista Acres, TN
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).

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Average humidity in September
Bella Vista Acres, TN

Average humidity in September - Bella Vista Acres, TN
  • Average humidity in September: 75%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
Bella Vista Acres, TN

Average rainfall in September - Bella Vista Acres, TN
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").

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Average rainfall days in September
Bella Vista Acres, TN

Average rainfall days in September - Bella Vista Acres, TN
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in September
Bella Vista Acres, TN

Average snowfall in September - Bella Vista Acres, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Bella Vista Acres, TN

Average snowfall days in September - Bella Vista Acres, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.9 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
Bella Vista Acres, TN

Average daylight in September / Average sunshine in September - Bella Vista Acres, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in September
Bella Vista Acres, TN

Average sunshine days in September - Bella Vista Acres, TN
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).

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Average UV index in September
Bella Vista Acres, TN

Average UV index in September - Bella Vista Acres, 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 and December (UV index 2).

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Average cloud cover in September
Bella Vista Acres, TN

Average cloud cover in September - Bella Vista Acres, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Bella Vista Acres, TN

Average visibility in September - Bella Vista Acres, TN
  • Average visibility in September: 6mi

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

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Bella Vista Acres, Tennessee, USA

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