September weather forecast
Rollingwood, TN

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Weather in September

September, the first month of the autumn in Rollingwood, is still a warm month, with an average temperature ranging between min 61.2°F (16.2°C) and max 82.2°F (27.9°C).

Temperature

Rollingwood's shift from August to September is accompanied by an average high-temperature of a warm 82.2°F (27.9°C), a slight deviation from 87.4°F (30.8°C). In September, the temperature drops to an average of 61.2°F (16.2°C) at night.

Heat index

September's mean heat index is evaluated at a hot 87.8°F (31°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in September is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 2.48" (63mm) of precipitation.

Snowfall

In Rollingwood, 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 7:14 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:25 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What is the usual temperature for Rollingwood in September?

The high-temperature, in September, in Rollingwood, records 82.2°F (27.9°C), while the low-temperature is 61.2°F (16.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 2.48" (63mm) of precipitation.

How much does it rain in September?

In Rollingwood, in September, it is raining for 12.4 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall in Rollingwood.

What is the average length of the day in September?

In September, the average day length is 12h and 23min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:14 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:25 pm EDT.

How long on average sun shines in September?

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

What is the UV index intensity in September in Rollingwood?

In Rollingwood, the average daily maximum UV index in September 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
Rollingwood, TN

Average temperature in September - Rollingwood, TN
  • Average high temperature in September: 82.2°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 61.2°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in September
Rollingwood, TN

Average pressure in September - Rollingwood, 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 (29.98"Hg).

Average wind speed in September
Rollingwood, TN

Average wind speed in September - Rollingwood, TN
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).

Average humidity in September
Rollingwood, TN

Average humidity in September - Rollingwood, TN
  • Average humidity in September: 75%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Rollingwood, TN

Average rainfall in September - Rollingwood, TN
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").

Average rainfall days in September
Rollingwood, TN

Average rainfall days in September - Rollingwood, TN
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September
Rollingwood, TN

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

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Rollingwood, TN

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

The month with the highest number of snowfall days is January (2.9 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
Rollingwood, TN

Average daylight in September / Average sunshine in September - Rollingwood, 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: 8h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in September
Rollingwood, TN

Average sunshine days in September - Rollingwood, TN
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).

Average UV index in September
Rollingwood, TN

Average UV index in September - Rollingwood, 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 and December (UV index 2).

Average cloud cover in September
Rollingwood, TN

Average cloud cover in September - Rollingwood, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
Rollingwood, TN

Average visibility in September - Rollingwood, TN
  • Average visibility in September: 6mi

The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).

Rollingwood, Tennessee, USA

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