September weather forecast
Rockland, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Rockland, Tennessee, with an average temperature fluctuating between 81.1°F (27.3°C) and 62.2°F (16.8°C).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a hot 86.7°F (30.4°C) in August to a warm 81.1°F (27.3°C). Rockland records a consistent low-temperature of 62.2°F (16.8°C) during September nights.

Heat index

In September, the heat index is calculated to be a hot 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In September, the average relative humidity in Rockland is 74%.

Rainfall

The month with the least rainfall in Rockland is September, when the rain falls for 14.6 days and typically collects 2.36" (60mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September in Rockland is 12h and 24min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:14 pm. On the last day of September, in Rockland, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

Sunshine

In Rockland, the average sunshine in September is 8.5h.

UV index

In Rockland, Tennessee, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the average September temperature in Rockland?

September temperatures vary between a high-temperature of 81.1°F (27.3°C) and a low-temperature of 62.2°F (16.8°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in September in Rockland?

In Rockland, Tennessee, the average relative humidity in September is 74%.

What is the driest month in Rockland?

September is the month with the least rainfall in Rockland. Rain falls for 14.6 days and accumulates 2.36" (60mm) of precipitation.

How many days does it rain in September in Rockland?

In Rockland, in September, during 14.6 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Rockland?

May through October are months without snowfall.

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

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

What time are sunrise and sunset in September in Rockland?

On the first day of September, sunrise is at 6:18 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

How many hours of sunshine does Rockland have in September?

In Rockland, Tennessee, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September in Rockland?

The average daily maximum UV index in September in Rockland, Tennessee, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Rockland, TN

Average temperature in September - Rockland, TN
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in September
Rockland, TN

Average pressure in September - Rockland, TN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in September
Rockland, TN

Average wind speed in September - Rockland, TN
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in September
Rockland, TN

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

The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Rockland, TN

Average rainfall in September - Rockland, TN
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is September (2.36").

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Average rainfall days in September
Rockland, TN

Average rainfall days in September - Rockland, TN
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.4 days).

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Average snowfall in September
Rockland, TN

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

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Rockland, TN

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

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Rockland, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 36min).

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Average sunshine days in September
Rockland, TN

Average sunshine days in September - Rockland, TN
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (9.2 days).

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Average UV index in September
Rockland, TN

Average UV index in September - Rockland, 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).

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Average cloud cover in September
Rockland, TN

Average cloud cover in September - Rockland, TN
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).

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Average visibility in September
Rockland, TN

Average visibility in September - Rockland, 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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Rockland, Tennessee, USA

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