Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the start of September, Arlington measures an average high-temperature of a warm 83.3°F (28.5°C), not significantly differing from August's 88°F (31.1°C). Throughout the month of September, Arlington sees a steady low-temperature average of 64.6°F (18.1°C).Heat index
For most parts of September, the heat index is appraised at a hot 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The average relative humidity in September in Arlington is 72%.Rainfall
The months with the least rainfall are January and September Rain falls for 12 days and accumulates 1.26" (32mm) of rain.Snowfall
In Arlington, snow does not fall in April through October.Daylight
In Arlington, the average length of the day in September is 12h and 23min.On the first day of September in Arlington, sunrise is at 6:31 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:43 pm CDT.
Sunshine
In Arlington, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - Avoiding sunburn is suggested. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
Is it hot in Arlington during September?
What is the average humidity in September in Arlington?
What is the driest month in Arlington?
How much does it rain in Arlington in September?
When it does not snow in Arlington?
How many hours of daylight does Arlington have in September?
When is the sunrise / sunset in September in Arlington?
How many hours of sunshine does Arlington have in September?
How high is the UV index in September in Arlington?
Average temperature in September
Arlington, TN
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Arlington, TN
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Arlington, TN
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Arlington, TN
- Average humidity in September: 72%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Arlington, TN
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is April (2.8").
The driest months (with the least rainfall) are January and September (1.26").
Average rainfall days in September
Arlington, TN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in September
Arlington, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Arlington, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arlington, 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: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Arlington, TN
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (20.9 days).
The months with the least sunshine days are July and August (12.3 days).
Average UV index in September
Arlington, TN
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Arlington, TN
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are June and August (Cloud cover 25).
Average visibility in September
Arlington, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Arlington, Tennessee, USA
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