September weather forecast
Cateston, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Cateston, Tennessee, with an average temperature ranging between min 61°F (16.1°C) and max 81°F (27.2°C).

Temperature

With the onset of September, Cateston's climate undergoes a slight change as the average high-temperature moves from a tropical 86.4°F (30.2°C) in August to a moderately hot 81°F (27.2°C). In Cateston, September nights cool down to an average of 61°F (16.1°C).

Heat index

In September, the average heat index is appraised at a hot 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in September is 76%.

Rainfall

September is the month with the least rainfall in Cateston, Tennessee. Rain falls for 13.9 days and accumulates 2.28" (58mm) of precipitation.

Snowfall

May through October are months without snowfall in Cateston.

Daylight

In Cateston, Tennessee, the average length of the day in September is 12h and 23min.
On the first day of September in Cateston, Tennessee, sunrise is at 6:17 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

Sunshine

The average sunshine in September in Cateston, Tennessee, is 8.5h.

UV index

In Cateston, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What are September temperatures in Cateston?

During September, Cateston experiences an average high-temperature of 81°F (27.2°C) and a low-temperature of 61°F (16.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 86°F (30°C).

What is the average humidity in September in Cateston?

In Cateston, Tennessee, the average relative humidity in September is 76%.

What is the driest month in Cateston?

September is the month with the least rainfall in Cateston. Rain falls for 13.9 days and accumulates 2.28" (58mm) of precipitation.

How much does it rain in Cateston in September?

In Cateston, in September, during 13.9 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When it does not snow in Cateston?

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

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

The average day length in September in Cateston, Tennessee, is 12h and 23min.

When is the sunrise / sunset in September in Cateston?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:11 pm. On the last day of the month, in Cateston, Tennessee, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

How many hours of sunshine does Cateston have in September?

The average sunshine duration in September is 8.5h.

What is the UV index intensity in September in Cateston?

The average daily maximum UV index in September in Cateston is 5. A UV Index reading of 3 to 5 represents a medium health risk from 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
Cateston, TN

Average temperature in September - Cateston, TN
  • Average high temperature in September: 81°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 (44.8°F).

  • Average low temperature in September: 61°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 (30.4°F).

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Average pressure in September
Cateston, TN

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

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Average wind speed in September
Cateston, TN

Average wind speed in September - Cateston, TN
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

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Average humidity in September
Cateston, TN

Average humidity in September - Cateston, TN
  • Average humidity in September: 76%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in September
Cateston, TN

Average rainfall in September - Cateston, TN
  • Average rainfall in September: 2.28"

The wettest months (with the highest rainfall) are February and July (4.45").
The driest month (with the least rainfall) is September (2.28").

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Average rainfall days in September
Cateston, TN

Average rainfall days in September - Cateston, TN
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.6 days).

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Average snowfall in September
Cateston, TN

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

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Cateston, TN

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

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Cateston, 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 February (Average sunshine: 4h and 24min).

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Average sunshine days in September
Cateston, TN

Average sunshine days in September - Cateston, TN
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in September
Cateston, TN

Average UV index in September - Cateston, 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).

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Average cloud cover in September
Cateston, TN

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

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Cateston, TN

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

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

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Cateston, Tennessee, USA

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