September weather forecast
Arkland, TN

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Weather in September

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

Temperature

The transition from August to September brings an average high-temperature of a warm 81.3°F (27.4°C), barely different from August's 86.5°F (30.3°C). An average low-temperature of 61.7°F (16.5°C) is anticipated throughout the nights during September.

Heat index

September's mean heat index is estimated at a tropical 86°F (30°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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 September, the average relative humidity is 76%.

Rainfall

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

Snowfall

In Arkland, snow does not fall in May through October.

Daylight

In Arkland, the average length of the day in September 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

In Arkland, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Arkland is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In Arkland, 81.3°F (27.4°C) is the average high-temperature and 61.7°F (16.5°C) is the average low-temperature during September. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 86°F (30°C).

What is the average humidity in September in Arkland?

In September, the average relative humidity is 76%.

What is the driest month?

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

How much does it rain in September?

In Arkland, during September, the rain falls for 13.8 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

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 September, the average sunshine duration is 8.5h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents 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
Arkland, TN

Average temperature in September - Arkland, 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).

Average pressure in September
Arkland, TN

Average pressure in September - Arkland, 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
Arkland, TN

Average wind speed in September - Arkland, 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).

Average humidity in September
Arkland, TN

Average humidity in September - Arkland, 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%).

Average rainfall in September
Arkland, TN

Average rainfall in September - Arkland, 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").

Average rainfall days in September
Arkland, TN

Average rainfall days in September - Arkland, 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).

Average snowfall in September
Arkland, TN

Average snowfall in September - Arkland, 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").

Average snowfall days in September
Arkland, TN

Average snowfall days in September - Arkland, 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).

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

Average daylight in September / Average sunshine in September - Arkland, 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).

Average sunshine days in September
Arkland, TN

Average sunshine days in September - Arkland, 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).

Average UV index in September
Arkland, TN

Average UV index in September - Arkland, 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
Arkland, TN

Average cloud cover in September - Arkland, 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).

Average visibility in September
Arkland, TN

Average visibility in September - Arkland, 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).

Arkland, Tennessee, USA

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