September weather forecast
Maynardville, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Maynardville, Tennessee, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 58.5°F (14.7°C).

Temperature

September's onset brings a negligible change in high-temperatures, falling from a tropical 86.5°F (30.3°C) in August to a warm 80.6°F (27°C). In the face of high daytime temperatures, Maynardville witnesses a consistent average nighttime low of 58.5°F (14.7°C) during September.

Heat index

For September, the heat index is evaluated at 84.2°F (29°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in September is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.42" (36mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 7:07 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:19 pm EDT.

Sunshine

In Maynardville, the average sunshine in September is 8.8h.

UV index

In Maynardville, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 5 in September leads to these guidelines:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature during September is 80.6°F (27°C) and the low-temperature is 58.5°F (14.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 84.2°F (29°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.42" (36mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 12.3 days. Throughout September, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in Maynardville?

In Maynardville, snow does not fall in May through September.

Does it snow in September?

In Maynardville, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Maynardville have in September?

In Maynardville, the average day length in September is 12h and 24min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:07 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:19 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.8h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Maynardville, TN

Average temperature in September - Maynardville, TN
  • Average high temperature in September: 80.6°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 (43.9°F).

  • Average low temperature in September: 58.5°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in September
Maynardville, TN

Average pressure in September - Maynardville, 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
Maynardville, TN

Average wind speed in September - Maynardville, TN
  • Average wind speed in September: 3.7mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in September
Maynardville, TN

Average humidity in September - Maynardville, TN
  • Average humidity in September: 74%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Maynardville, TN

Average rainfall in September - Maynardville, TN
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in September
Maynardville, TN

Average rainfall days in September - Maynardville, TN
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in September
Maynardville, TN

Average snowfall in September - Maynardville, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Maynardville, TN

Average snowfall days in September - Maynardville, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.6 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
Maynardville, TN

Average daylight in September / Average sunshine in September - Maynardville, TN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 5min

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 0min).

Average sunshine days in September
Maynardville, TN

Average sunshine days in September - Maynardville, TN
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in September
Maynardville, TN

Average UV index in September - Maynardville, 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
Maynardville, TN

Average cloud cover in September - Maynardville, TN
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in September
Maynardville, TN

Average visibility in September - Maynardville, 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).

Maynardville, Tennessee, USA

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