September weather forecast
Buena Vista, TN

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Weather in September

September, the first month of the autumn in Buena Vista, is still a warm month, with an average temperature ranging between min 62.8°F (17.1°C) and max 82.6°F (28.1°C).

Temperature

The arrival of September marks a slight shift to an average high-temperature of a warm 82.6°F (28.1°C) from August's 87.8°F (31°C). Buena Vista's nighttime temperature in September falls to an average of 62.8°F (17.1°C).

Heat index

In September, the average heat index is computed to be a hot 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The average relative humidity in September in Buena Vista, Tennessee, is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

In Buena Vista, Tennessee, snow does not fall in May through October.

Daylight

In Buena Vista, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:37 pm CDT.

Sunshine

The average sunshine in September in Buena Vista is 9.1h.

UV index

In Buena Vista, Tennessee, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

Is it hot in Buena Vista during September?

The high-temperature, in September, in Buena Vista, is 82.6°F (28.1°C), while the low-temperature averages to 62.8°F (17.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 87.8°F (31°C).

What is the average humidity in September in Buena Vista?

In September, the average relative humidity is 74%.

What is the driest month in Buena Vista?

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 0.71" (18mm) of precipitation.

How much does it rain in Buena Vista in September?

In Buena Vista, Tennessee, during September, the rain falls for 11.6 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Buena Vista?

In Buena Vista, snow does not fall in May through October.

What is the average length of the day in September in Buena Vista?

The average day length in September in Buena Vista, Tennessee, is 12h and 23min.

When is the sunrise / sunset in September in Buena Vista?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:20 pm. On the last day of the month, in Buena Vista, sunrise is at 6:47 am and sunset at 6:37 pm CDT.

How long on average sun shines in September in Buena Vista?

The average sunshine duration in September in Buena Vista is 9.1h.

What is the UV index reading in September in Buena Vista?

In Buena Vista, Tennessee, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Buena Vista, TN

Average temperature in September - Buena Vista, TN
  • Average high temperature in September: 82.6°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

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Average pressure in September
Buena Vista, TN

Average pressure in September - Buena Vista, TN
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in September
Buena Vista, TN

Average wind speed in September - Buena Vista, TN
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5mph).

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Average humidity in September
Buena Vista, TN

Average humidity in September - Buena Vista, TN
  • Average humidity in September: 74%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Buena Vista, TN

Average rainfall in September - Buena Vista, TN
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in September
Buena Vista, TN

Average rainfall days in September - Buena Vista, TN
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is November (7 days).

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Average snowfall in September
Buena Vista, TN

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

The month with the highest snowfall is March (0.43").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Buena Vista, TN

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

The month with the highest number of snowfall days is January (2.8 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
Buena Vista, TN

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in September
Buena Vista, TN

Average sunshine days in September - Buena Vista, TN
  • Average sunshine days in September: 16.8 days

The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in September
Buena Vista, TN

Average UV index in September - Buena Vista, TN
  • Average UV index in September: 5

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

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Average cloud cover in September
Buena Vista, TN

Average cloud cover in September - Buena Vista, TN
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in September
Buena Vista, TN

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

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

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Buena Vista, Tennessee, USA

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