September weather forecast
Claybrook, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Claybrook, Tennessee, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 82.8°F (28.2°C).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a tropical 88.2°F (31.2°C) in August to a warm 82.8°F (28.2°C). During the month of September, the nighttime temperature falls to an average of 62.8°F (17.1°C).

Heat index

September's average heat index is computed to be a tropical 87.8°F (31°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In Claybrook, the average relative humidity in September is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.38" (35mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:39 pm CDT.

Sunshine

The average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Ensure safety - Sun damage prevention is strongly urged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

Is it hot during September?

In Claybrook, in September, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 62.8°F (17.1°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 73%.

What is the driest month in Claybrook?

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.38" (35mm) of precipitation.

How much does it rain in September?

In Claybrook, during September, the rain falls for 11.5 days and regularly aggregates up to 1.38" (35mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

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

When is the sunrise / sunset in September in Claybrook?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:39 pm CDT.

How many hours of sunshine does Claybrook have in September?

In Claybrook, the average sunshine duration in September is 9.1h.

What is the UV index reading in September?

In Claybrook, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Claybrook, TN

Average temperature in September - Claybrook, TN
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in September
Claybrook, TN

Average pressure in September - Claybrook, 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 (29.96"Hg).

Average wind speed in September
Claybrook, TN

Average wind speed in September - Claybrook, TN
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).

Average humidity in September
Claybrook, TN

Average humidity in September - Claybrook, TN
  • Average humidity in September: 73%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Claybrook, TN

Average rainfall in September - Claybrook, TN
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in September
Claybrook, TN

Average rainfall days in September - Claybrook, TN
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September
Claybrook, TN

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

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Claybrook, TN

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

The month with the highest number of snowfall days is February (3.3 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
Claybrook, TN

Average daylight in September / Average sunshine in September - Claybrook, 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: 9h and 1min

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

Average sunshine days in September
Claybrook, TN

Average sunshine days in September - Claybrook, TN
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in September
Claybrook, TN

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

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).

Average cloud cover in September
Claybrook, TN

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

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in September
Claybrook, TN

Average visibility in September - Claybrook, 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).

Claybrook, Tennessee, USA

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