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
In Maryville, the average high-temperature in September marginally drops from a hot 86.7°F (30.4°C) in August to a moderately hot 81.1°F (27.3°C). The average low-temperature, in Maryville, is 59.9°F (15.5°C).Heat index
In September, the average heat index is appraised at a tropical 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like differences in body mass, height, and shape, metabolic differences, clothing, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Maryville, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall in Maryville. Rain falls for 10.6 days and accumulates 0.94" (24mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
In September, the average length of the day in Maryville is 12h and 23min.On the first day of September in Maryville, sunrise is at 7:07 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm EDT.
Sunshine
In Maryville, Tennessee, the average sunshine in September is 8.7h.UV index
In Maryville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
FAQ
What is the temperature in September in Maryville?
What is the average humidity in September in Maryville?
What is the driest month in Maryville?
How much does it rain in Maryville in September?
When it does not snow in Maryville?
Does it snow in Maryville in September?
How many hours of daylight does Maryville have in September?
When are sunrise and sunset in September in Maryville?
How long on average sun shines in September in Maryville?
What is the UV index reading in September in Maryville?
Average temperature in September
Maryville, TN
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Maryville, 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
Maryville, TN
- Average wind speed in September: 3.8mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Maryville, 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
Maryville, TN
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in September
Maryville, TN
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Maryville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Maryville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 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
Maryville, TN
- Average daylight in September: 12h and 23min
The month with the longest days is June (Average daylight: 14h and 32min).
The month with the shortest days is December (Average daylight: 9h and 47min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Maryville, TN
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).
Average UV index in September
Maryville, 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
Maryville, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Maryville, 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).
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