September weather forecast
Juno, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Juno, Tennessee, with an average temperature varying between 62.8°F (17.1°C) and 82.8°F (28.2°C).

Temperature

As September arrives, Juno's weather displays a minor decrease in high-temperatures, transitioning from August's tropical 88.2°F (31.2°C) to a moderately hot 82.8°F (28.2°C). During the September nights, an average temperature of 62.8°F (17.1°C) is observed.

Heat index

In September, the average heat index is calculated to be a tropical 87.8°F (31°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
In reference to the heat index, it's for places in shade and with a slight wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In September, the average relative humidity is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:26 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:38 pm CDT.

Sunshine

The average sunshine in September in Juno is 9.1h.

UV index

In Juno, 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 radiation for ordinary individuals.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

In September, the average high-temperature and low-temperature in Juno are 82.8°F (28.2°C) and 62.8°F (17.1°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 73%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.38" (35mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 11.5 days. Throughout September, 1.38" (35mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in September?

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 6:26 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:38 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration in Juno is 9.1h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index reading 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
Juno, TN

Average temperature in September - Juno, TN
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in September
Juno, TN

Average pressure in September - Juno, TN
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Juno, TN

Average wind speed in September - Juno, TN
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).

Average humidity in September
Juno, TN

Average humidity in September - Juno, TN
  • Average humidity in September: 73%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Juno, TN

Average rainfall in September - Juno, TN
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in September
Juno, TN

Average rainfall days in September - Juno, TN
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September
Juno, TN

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

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Juno, TN

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

The month with the highest number of snowfall days is February (3.3 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
Juno, TN

Average daylight in September / Average sunshine in September - Juno, 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 1min

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 36min).

Average sunshine days in September
Juno, TN

Average sunshine days in September - Juno, TN
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in September
Juno, TN

Average UV index in September - Juno, TN
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).

Average cloud cover in September
Juno, TN

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

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in September
Juno, TN

Average visibility in September - Juno, 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).

Juno, Tennessee, USA

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