September weather forecast
Conasauga Mill, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Conasauga Mill, Tennessee, with an average temperature varying between 59.5°F (15.3°C) and 81.3°F (27.4°C).

Temperature

The transition into September marks the average high-temperature at a moderately hot 81.3°F (27.4°C), differing minimally from August's 86.5°F (30.3°C). Conasauga Mill experiences a consistent, yet significant, drop from daily highs to a low-temperature of 59.5°F (15.3°C) throughout September.

Heat index

In September, the heat index is appraised at a tropical 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In September, the average relative humidity is 76%.

Rainfall

The months with the least rainfall are September and November Rain falls for 12.7 days and accumulates 1.89" (48mm) of rain.

Snowfall

In Conasauga Mill, snow does not fall in May through October.

Daylight

In Conasauga Mill, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:10 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

Sunshine

In September, the average sunshine in Conasauga Mill is 8.6h.

UV index

In September, the average daily maximum UV index in Conasauga Mill is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Conasauga Mill, records 81.3°F (27.4°C), while the low-temperature is 59.5°F (15.3°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 September is appraised at 86°F (30°C).

What is the average humidity in September?

In Conasauga Mill, the average relative humidity in September is 76%.

What is the driest month?

September and November are months with the least rain when the rain falls for 12.7 days and typically aggregates up to 1.89" (48mm) of rain.

How many days does it rain in September?

In Conasauga Mill, during September, the rain falls for 12.7 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow?

In Conasauga Mill, snow does not fall in May through October.

How many hours of daylight does Conasauga Mill have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

How many hours of sunshine does Conasauga Mill have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index intensity in September in Conasauga Mill?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Conasauga Mill, TN

Average temperature in September - Conasauga Mill, TN
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in September
Conasauga Mill, TN

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

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Conasauga Mill, TN

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

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in September
Conasauga Mill, TN

Average humidity in September - Conasauga Mill, TN
  • Average humidity in September: 76%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are August, October and November (75%).

Average rainfall in September
Conasauga Mill, TN

Average rainfall in September - Conasauga Mill, TN
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (1.89").

Average rainfall days in September
Conasauga Mill, TN

Average rainfall days in September - Conasauga Mill, TN
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September
Conasauga Mill, TN

Average snowfall in September - Conasauga Mill, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Conasauga Mill, TN

Average snowfall days in September - Conasauga Mill, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.6 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
Conasauga Mill, TN

Average daylight in September / Average sunshine in September - Conasauga Mill, 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 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in September
Conasauga Mill, TN

Average sunshine days in September - Conasauga Mill, TN
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in September
Conasauga Mill, TN

Average UV index in September - Conasauga Mill, 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).

Average cloud cover in September
Conasauga Mill, TN

Average cloud cover in September - Conasauga Mill, TN
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in September
Conasauga Mill, TN

Average visibility in September - Conasauga Mill, TN
  • Average visibility in September: 6mi

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

Conasauga Mill, Tennessee, USA

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