September weather forecast
Wilsonville, TN

Share

Weather in September

The first month of the autumn, September, is still a warm month in Wilsonville, Tennessee, with an average temperature fluctuating between 57.2°F (14°C) and 79.9°F (26.6°C).

Temperature

During the shift to September, Wilsonville records a mild decrease in average high-temperature, moving from a warm 85.3°F (29.6°C) in August to a still moderately hot 79.9°F (26.6°C). During September, Wilsonville notes a substantial drop from the daytime peak to an average minimum temperature of 57.2°F (14°C).

Humidity

In September, the average relative humidity is 74%.

Rainfall

September is the month with the least rainfall in Wilsonville, Tennessee. Rain falls for 11.6 days and accumulates 1.42" (36mm) of precipitation.

Snowfall

May through September are months without snowfall in Wilsonville.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September, sunrise is at 7:05 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:17 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In Wilsonville, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
[Resources]

Frequently asked questions

What are September temperatures in Wilsonville?

The high-temperature, in September, in Wilsonville, records 79.9°F (26.6°C), while the low-temperature is 57.2°F (14°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 95°F (35°C).

What is the average humidity in September in Wilsonville?

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

What is the driest month in Wilsonville?

The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.42" (36mm) of precipitation.

How much does it rain in Wilsonville in September?

In Wilsonville, in September, it is raining for 11.6 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow in Wilsonville?

In Wilsonville, Tennessee, snow does not fall in May through September.

Does it snow in Wilsonville in September?

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

How many hours of daylight does Wilsonville have in September?

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

What time are sunrise and sunset in September in Wilsonville?

On the first day of September, sunrise is at 7:05 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:17 pm EDT.

How long on average sun shines in September in Wilsonville?

In September, the average sunshine duration is 8.8h.

What is the UV index intensity in September in Wilsonville?

The average daily maximum UV index in September in Wilsonville 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
Wilsonville, TN

Average temperature in September - Wilsonville, TN
  • Average high temperature in September: 79.9°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

[Resources]

Average pressure in September
Wilsonville, TN

Average pressure in September - Wilsonville, TN
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

[Resources]

Average wind speed in September
Wilsonville, TN

Average wind speed in September - Wilsonville, TN
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

[Resources]

Average humidity in September
Wilsonville, TN

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

The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are July and August (73%).

[Resources]

Average rainfall in September
Wilsonville, TN

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

The wettest month (with the highest rainfall) is February (2.87").
The driest month (with the least rainfall) is September (1.42").

[Resources]

Average rainfall days in September
Wilsonville, TN

Average rainfall days in September - Wilsonville, TN
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (10 days).

[Resources]

Average snowfall in September
Wilsonville, TN

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

The month with the highest snowfall is December (2.48").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in September
Wilsonville, TN

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

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Wilsonville, 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 48min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

[Resources]

Average sunshine days in September
Wilsonville, TN

Average sunshine days in September - Wilsonville, TN
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (12 days).

[Resources]

Average UV index in September
Wilsonville, TN

Average UV index in September - Wilsonville, 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).

[Resources]

Average cloud cover in September
Wilsonville, TN

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

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 26).

[Resources]

Average visibility in September
Wilsonville, TN

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

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

[Resources]

Wilsonville, Tennessee, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location