September weather forecast
Trimble, TN

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Weather in September

September, the first month of the autumn in Trimble, is still a warm month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 63.3°F (17.4°C).

Temperature

Trimble commences September with an average high-temperature of a moderately hot 81.9°F (27.7°C), maintaining a close resemblance to the previous month. In September, Trimble experiences an average nighttime temperature of 63.3°F (17.4°C).

Heat index

The heat index for September is calculated to be a tropical 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In September, the average relative humidity is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 1.61" (41mm) of precipitation.

Snowfall

April through October are months without snowfall in Trimble.

Daylight

In Trimble, the average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 6:28 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:41 pm CDT.

Sunshine

In Trimble, the average sunshine in September is 9.7h.

UV index

In Trimble, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What are September temperatures in Trimble?

September temperatures in Trimble vary between a high-temperature of 81.9°F (27.7°C) and a low-temperature of 63.3°F (17.4°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in September is calculated to be 86°F (30°C).

What is the average humidity in September in Trimble?

In September, the average relative humidity is 73%.

What is the driest month in Trimble?

The month with the least rainfall in Trimble, Tennessee, is September, when the rain falls for 12.4 days and typically collects 1.61" (41mm) of precipitation.

How many days does it rain in September in Trimble?

In September, in Trimble, the rain falls for 12.4 days. Throughout September, 1.61" (41mm) of precipitation is accumulated.

When it does not snow in Trimble?

April through October are months without snowfall in Trimble, Tennessee.

How many hours of daylight does Trimble have in September?

In Trimble, Tennessee, the average day length in September is 12h and 24min.

When are sunrise and sunset in September in Trimble?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:24 pm. On the last day of the month, in Trimble, sunrise is at 6:51 am and sunset at 6:41 pm CDT.

How long on average sun shines in September in Trimble?

The average sunshine duration in September in Trimble, Tennessee, is 9.7h.

What is the UV index intensity in September in Trimble?

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

Average temperature in September - Trimble, TN
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in September
Trimble, TN

Average pressure in September - Trimble, 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 (29.94"Hg).

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Average wind speed in September
Trimble, TN

Average wind speed in September - Trimble, TN
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

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Average humidity in September
Trimble, TN

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

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in September
Trimble, TN

Average rainfall in September - Trimble, TN
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in September
Trimble, TN

Average rainfall days in September - Trimble, TN
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (17.1 days).
The months with the least rainy days are October and November (10.4 days).

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Average snowfall in September
Trimble, TN

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Trimble, TN

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

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Trimble, 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 42min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
Trimble, TN

Average sunshine days in September - Trimble, TN
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in September
Trimble, TN

Average UV index in September - Trimble, 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).

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Average cloud cover in September
Trimble, TN

Average cloud cover in September - Trimble, TN
  • Average cloud cover in September: 26

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 24).

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Average visibility in September
Trimble, TN

Average visibility in September - Trimble, 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).

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Trimble, Tennessee, USA

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