September weather forecast
Mount Pleasant, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Mount Pleasant, Tennessee, with an average temperature fluctuating between 81.3°F (27.4°C) and 61.7°F (16.5°C).

Temperature

A minimal variation is noted in Mount Pleasant's average high-temperature at the onset of September, reaching a moderately hot 81.3°F (27.4°C) from August's 86.5°F (30.3°C). Nighttime temperature in Mount Pleasant dips to a mean of 61.7°F (16.5°C) during September.

Heat index

The heat index value during September is calculated to be a tropical 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

In September, the average relative humidity in Mount Pleasant is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 2.36" (60mm) of precipitation.

Snowfall

In Mount Pleasant, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September, sunrise is at 6:21 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:33 pm CDT.

Sunshine

The average sunshine in September in Mount Pleasant, Tennessee, is 8.5h.

UV index

In September, the average daily maximum UV index in Mount Pleasant, Tennessee, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What are the temperatures in Mount Pleasant in September?

Mount Pleasant in September has an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 61.7°F (16.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 86°F (30°C).

What is the average humidity in September in Mount Pleasant?

The average relative humidity in September is 76%.

What is the driest month in Mount Pleasant?

September is the month with the least rainfall. Rain falls for 13.8 days and accumulates 2.36" (60mm) of precipitation.

How many days does it rain in September in Mount Pleasant?

In Mount Pleasant, Tennessee, in September, it is raining for 13.8 days, with typically 2.36" (60mm) of accumulated precipitation.

When it does not snow in Mount Pleasant?

May through October are months without snowfall in Mount Pleasant.

How many hours of daylight does Mount Pleasant have in September?

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

What time are sunrise and sunset in September in Mount Pleasant?

On the first day of September, sunrise is at 6:21 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:33 pm CDT.

How long on average sun shines in September in Mount Pleasant?

In Mount Pleasant, the average sunshine duration in September is 8.5h.

How high is the UV index in September in Mount Pleasant?

In September, the average daily maximum UV index in Mount Pleasant is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Mount Pleasant, TN

Average temperature in September - Mount Pleasant, TN
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in September
Mount Pleasant, TN

Average pressure in September - Mount Pleasant, 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 (29.97"Hg).

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Average wind speed in September
Mount Pleasant, TN

Average wind speed in September - Mount Pleasant, TN
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in September
Mount Pleasant, TN

Average humidity in September - Mount Pleasant, TN
  • Average humidity in September: 76%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
Mount Pleasant, TN

Average rainfall in September - Mount Pleasant, TN
  • Average rainfall in September: 2.36"

The wettest months (with the highest rainfall) are February and July (4.06").
The driest month (with the least rainfall) is September (2.36").

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Average rainfall days in September
Mount Pleasant, TN

Average rainfall days in September - Mount Pleasant, TN
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.9 days).

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Average snowfall in September
Mount Pleasant, TN

Average snowfall in September - Mount Pleasant, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Mount Pleasant, TN

Average snowfall days in September - Mount Pleasant, TN
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (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
Mount Pleasant, TN

Average daylight in September / Average sunshine in September - Mount Pleasant, 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 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Mount Pleasant, TN

Average sunshine days in September - Mount Pleasant, TN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in September
Mount Pleasant, TN

Average UV index in September - Mount Pleasant, 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
Mount Pleasant, TN

Average cloud cover in September - Mount Pleasant, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Mount Pleasant, TN

Average visibility in September - Mount Pleasant, 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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Mount Pleasant, Tennessee, USA

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