September weather forecast
Simmons Chapel, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Simmons Chapel, Tennessee, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 81°F (27.2°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from a hot 86.4°F (30.2°C) in August to a warm 81°F (27.2°C). In Simmons Chapel, the expected average low-temperature for September is an enjoyable 61°F (16.1°C).

Heat index

For September, the heat index is evaluated at a hot 86°F (30°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 are highly critical for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In Simmons Chapel, the average relative humidity in September is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.9 days and typically collects 2.28" (58mm) of precipitation.

Snowfall

In Simmons Chapel, snow does not fall in May through October.

Daylight

In Simmons Chapel, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:11 pm. On the last day of September, in Simmons Chapel, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In Simmons Chapel, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Guard yourself - Avoiding sunburn is suggested. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

An average high-temperature, in September, in Simmons Chapel, is 81°F (27.2°C) and the average low-temperature is 61°F (16.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is evaluated at 86°F (30°C).

What is the average humidity in September?

In Simmons Chapel, the average relative humidity in September is 76%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.9 days and typically collects 2.28" (58mm) of precipitation.

How many days does it rain in September?

In Simmons Chapel, in September, it is raining for 13.9 days, with typically 2.28" (58mm) of accumulated precipitation.

When it does not snow?

In Simmons Chapel, snow does not fall in May through October.

How many hours of daylight does Simmons Chapel have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September in Simmons Chapel is 8.5h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Simmons Chapel, TN

Average temperature in September - Simmons Chapel, TN
  • Average high temperature in September: 81°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in September: 61°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 (30.4°F).

Average pressure in September
Simmons Chapel, TN

Average pressure in September - Simmons Chapel, 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).

Average wind speed in September
Simmons Chapel, TN

Average wind speed in September - Simmons Chapel, TN
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in September
Simmons Chapel, TN

Average humidity in September - Simmons Chapel, TN
  • Average humidity in September: 76%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in September
Simmons Chapel, TN

Average rainfall in September - Simmons Chapel, TN
  • Average rainfall in September: 2.28"

The wettest months (with the highest rainfall) are February and July (4.45").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in September
Simmons Chapel, TN

Average rainfall days in September - Simmons Chapel, TN
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in September
Simmons Chapel, TN

Average snowfall in September - Simmons Chapel, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Simmons Chapel, TN

Average snowfall days in September - Simmons Chapel, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.2 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
Simmons Chapel, TN

Average daylight in September / Average sunshine in September - Simmons Chapel, 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 February (Average sunshine: 4h and 24min).

Average sunshine days in September
Simmons Chapel, TN

Average sunshine days in September - Simmons Chapel, TN
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in September
Simmons Chapel, TN

Average UV index in September - Simmons Chapel, 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
Simmons Chapel, TN

Average cloud cover in September - Simmons Chapel, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
Simmons Chapel, TN

Average visibility in September - Simmons Chapel, TN
  • Average visibility in September: 6mi

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

Simmons Chapel, Tennessee, USA

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