September weather forecast
Denmark, TN

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Weather in September

September, in Denmark, Tennessee, paints the onset of Autumn. A cool breeze starts to dominate the city as the hot summer days start receding. The city begins to transition into fall, with the greenery slowly starting to shed its leaves. The average high temperature takes a noticeable dip to 82.9°F (28.3°C), welcoming the familiar signs of Autumn. The shift from September to October brings with it a more pronounced change towards the cooler weather.

Temperature

Denmark transitions into September recording an average high-temperature of a moderately hot 82.9°F (28.3°C), closely aligning with the preceding month's temperature. An average nighttime temperature of 63.5°F (17.5°C) is witnessed in Denmark throughout September.

Heat index

The heat index in September is appraised at a tropical 89.6°F (32°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In September, the average relative humidity is 73%.

Rainfall

September is the month with the least rainfall in Denmark, Tennessee. Rain falls for 8.9 days and accumulates 0.67" (17mm) of precipitation.

Snowfall

April through October are months without snowfall in Denmark.

Daylight

In Denmark, the average length of the day in September is 12h and 23min.
On the first day of September in Denmark, sunrise is at 6:28 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:40 pm CDT.

Sunshine

The average sunshine in September is 9.4h.

UV index

In Denmark, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Guard yourself - Avoiding sunburn is suggested. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

How hot is it in Denmark in September?

In September, in Denmark, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is appraised at 89.6°F (32°C).

What is the average humidity in September in Denmark?

In September, the average relative humidity in Denmark is 73%.

What is the driest month in Denmark?

September is the month with the least rainfall in Denmark. Rain falls for 8.9 days and accumulates 0.67" (17mm) of precipitation.

How many days does it rain in September in Denmark?

In September, the rain falls for 8.9 days. Throughout September, 0.67" (17mm) of precipitation is accumulated.

When it does not snow in Denmark?

In Denmark, snow does not fall in April through October.

What is the average length of the day in September in Denmark?

The average day length in September in Denmark is 12h and 23min.

When is the sunrise / sunset in September in Denmark?

On the first day of September in Denmark, sunrise is at 6:28 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:40 pm CDT.

How many hours of sunshine does Denmark have in September?

In Denmark, the average sunshine duration in September is 9.4h.

How high is the UV index in September in Denmark?

The average daily maximum UV index in September in Denmark, Tennessee, is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Denmark, TN

Average temperature in September - Denmark, TN
  • Average high temperature in September: 82.9°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 (45.7°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (32°F).

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Average pressure in September
Denmark, TN

Average pressure in September - Denmark, 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 (29.95"Hg).

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Average wind speed in September
Denmark, TN

Average wind speed in September - Denmark, TN
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

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Average humidity in September
Denmark, TN

Average humidity in September - Denmark, 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 (71%).

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Average rainfall in September
Denmark, TN

Average rainfall in September - Denmark, TN
  • Average rainfall in September: 0.67"

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in September
Denmark, TN

Average rainfall days in September - Denmark, TN
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (7.1 days).

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Average snowfall in September
Denmark, TN

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

The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Denmark, TN

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

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Denmark, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
Denmark, TN

Average sunshine days in September - Denmark, TN
  • Average sunshine days in September: 18.8 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (13.8 days).

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Average UV index in September
Denmark, TN

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

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

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Average cloud cover in September
Denmark, TN

Average cloud cover in September - Denmark, TN
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in September
Denmark, TN

Average visibility in September - Denmark, 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).

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Denmark, Tennessee, USA

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