September weather forecast
Prospect, TN

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Prospect, Tennessee, with an average temperature fluctuating between 81.5°F (27.5°C) and 62.8°F (17.1°C).

Temperature

In Prospect, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's tropical 86.9°F (30.5°C) to a warm 81.5°F (27.5°C). The low-temperature in Prospect averages to a comfortable 62.8°F (17.1°C) during the nights of September.

Heat index

The heat index in September is calculated to be a hot 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

The average relative humidity in September in Prospect is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14.1 days and typically collects 2.52" (64mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:32 pm CDT.

Sunshine

In September, the average sunshine in Prospect, Tennessee, is 8.6h.

UV index

The average daily maximum UV index in September in Prospect is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
[Resources]

Frequently asked questions

What is the temperature in September in Prospect?

In September, in Prospect, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 62.8°F (17.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What is the average humidity in September in Prospect?

In September, the average relative humidity in Prospect is 75%.

What is the driest month in Prospect?

The month with the least rainfall in Prospect is September, when the rain falls for 14.1 days and typically collects 2.52" (64mm) of precipitation.

How much does it rain in Prospect in September?

In September, in Prospect, the rain falls for 14.1 days. Throughout September, 2.52" (64mm) of precipitation is accumulated.

When it does not snow in Prospect?

In Prospect, Tennessee, snow does not fall in May through October.

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

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

When is the sunrise / sunset in September in Prospect?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:14 pm. On the last day of the month, in Prospect, Tennessee, sunrise is at 6:42 am and sunset at 6:32 pm CDT.

How long on average sun shines in September in Prospect?

In September, the average sunshine duration in Prospect, Tennessee, is 8.6h.

What is the UV index intensity in September in Prospect?

In Prospect, Tennessee, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Prospect, TN

Average temperature in September - Prospect, TN
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.9°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).

[Resources]

Average pressure in September
Prospect, TN

Average pressure in September - Prospect, 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 (29.97"Hg).

[Resources]

Average wind speed in September
Prospect, TN

Average wind speed in September - Prospect, TN
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

[Resources]

Average humidity in September
Prospect, TN

Average humidity in September - Prospect, 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 (73%).

[Resources]

Average rainfall in September
Prospect, TN

Average rainfall in September - Prospect, TN
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is February (4.65").
The driest month (with the least rainfall) is September (2.52").

[Resources]

Average rainfall days in September
Prospect, TN

Average rainfall days in September - Prospect, TN
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10.5 days).

[Resources]

Average snowfall in September
Prospect, TN

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

The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Prospect, TN

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

The month with the highest number of snowfall days is February (3.5 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
Prospect, TN

Average daylight in September / Average sunshine in September - Prospect, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

[Resources]

Average sunshine days in September
Prospect, TN

Average sunshine days in September - Prospect, TN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (9.4 days).

[Resources]

Average UV index in September
Prospect, TN

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

[Resources]

Average cloud cover in September
Prospect, TN

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

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).

[Resources]

Average visibility in September
Prospect, TN

Average visibility in September - Prospect, 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).

[Resources]

Prospect, Tennessee, USA

Weather forecast for your location

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