September weather forecast
Montvue, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Montvue, Tennessee, with an average temperature varying between 81.3°F (27.4°C) and 60.1°F (15.6°C).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's hot 87.1°F (30.6°C) to a warm 81.3°F (27.4°C). Montvue's September nights cool down to an average low-temperature of 60.1°F (15.6°C).

Heat index

September's average heat index is evaluated at a hot 86°F (30°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

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

Rainfall

September is the month with the least rainfall in Montvue. Rain falls for 12.6 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

In Montvue, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:08 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:20 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Montvue, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

What is the average September temperature?

The average high-temperature, in September, in Montvue, is 81.3°F (27.4°C), while the average low-temperature is 60.1°F (15.6°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 86°F (30°C).

What is the average humidity in September?

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

What is the driest month?

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

How many days does it rain in September in Montvue?

In Montvue, in September, it is raining for 12.6 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Montvue have in September?

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

When are sunrise and sunset in September in Montvue?

In September, on the first day of the month, sunrise is at 7:08 am and sunset at 8:03 pm. On the last day of the month, in Montvue, Tennessee, sunrise is at 7:30 am and sunset at 7:20 pm EDT.

How many hours of sunshine does Montvue have in September?

The average sunshine duration in September is 8.7h.

What is the UV index reading in September?

In September, the average daily maximum UV index 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
Montvue, TN

Average temperature in September - Montvue, 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).

Average pressure in September
Montvue, TN

Average pressure in September - Montvue, 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).

Average wind speed in September
Montvue, TN

Average wind speed in September - Montvue, 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).

Average humidity in September
Montvue, TN

Average humidity in September - Montvue, 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%).

Average rainfall in September
Montvue, TN

Average rainfall in September - Montvue, 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").

Average rainfall days in September
Montvue, TN

Average rainfall days in September - Montvue, 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).

Average snowfall in September
Montvue, TN

Average snowfall in September - Montvue, 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").

Average snowfall days in September
Montvue, TN

Average snowfall days in September - Montvue, 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).

Average daylight in September /
Average sunshine in September
Montvue, TN

Average daylight in September / Average sunshine in September - Montvue, 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: 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).

Average sunshine days in September
Montvue, TN

Average sunshine days in September - Montvue, 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).

Average UV index in September
Montvue, TN

Average UV index in September - Montvue, 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).

Average cloud cover in September
Montvue, TN

Average cloud cover in September - Montvue, 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).

Average visibility in September
Montvue, TN

Average visibility in September - Montvue, 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).

Montvue, Tennessee, USA

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