September weather forecast
Buena Vista, TN

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Weather in September

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

Temperature

The shift into September records an average high-temperature of a moderately hot 82.6°F (28.1°C), subtly varied from August's 87.8°F (31°C). Throughout September, Buena Vista experiences a low-temperature average of 62.8°F (17.1°C).

Heat index

The heat index value for September is estimated at a tropical 87.8°F (31°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Exposure to direct sunshine can increase heat index values by up to 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. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The average relative humidity in September 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

May through October are months without snowfall.

Daylight

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 is 9.1h.

UV index

In Buena Vista, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

Is it hot during September?

An average high-temperature, in September, in Buena Vista, is 82.6°F (28.1°C) and the average low-temperature is 62.8°F (17.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in September is estimated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

What is the driest month?

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 September, the rain falls for 11.6 days. Throughout September, 0.71" (18mm) of precipitation is accumulated.

When it does not snow in Buena Vista?

May through October are months without snowfall.

How many hours of daylight does Buena Vista have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:25 am and sunset at 7:20 pm. On the last day of the month, 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 is 9.1h.

How high is the UV index in September?

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

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Buena Vista, Tennessee, USA

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