September weather forecast
Trenton, TN

Share

Weather in September

September, the first month of the autumn in Trenton, is still a warm month, with an average temperature ranging between max 82.4°F (28°C) and min 63°F (17.2°C).

Temperature

The arrival of September sees a recorded average high-temperature of a warm 82.4°F (28°C), showing little divergence from the previous month's conditions. Trenton in September experiences a low-temperature average of 63°F (17.2°C).

Heat index

In September, the heat index is estimated at a hot 87.8°F (31°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. 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 hold particular significance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

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

Rainfall

The month with the least rainfall in Trenton is September, when the rain falls for 9.1 days and typically collects 0.55" (14mm) of precipitation.

Snowfall

In Trenton, snow does not fall in April through October.

Daylight

In Trenton, the average length of the day in September is 12h and 23min.
On the first day of September in Trenton, sunrise is at 6:28 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:40 pm CDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. To guard against the harmful effects of the Sun, minimize exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
[Resources]

Frequently asked questions

How hot is it in Trenton in September?

In September, the average high-temperature and low-temperature are 82.4°F (28°C) and 63°F (17.2°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in September in Trenton?

The average relative humidity in September in Trenton, Tennessee, is 73%.

What is the driest month in Trenton?

September is the month with the least rainfall in Trenton, Tennessee. Rain falls for 9.1 days and accumulates 0.55" (14mm) of precipitation.

How many days does it rain in September in Trenton?

In Trenton, Tennessee, in September, it is raining for 9.1 days, with typically 0.55" (14mm) of accumulated precipitation.

When it does not snow in Trenton?

April through October are months without snowfall in Trenton.

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

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

What time are sunrise and sunset in September in Trenton?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:22 pm. On the last day of the month, in Trenton, sunrise is at 6:50 am and sunset at 6:40 pm CDT.

How long on average sun shines in September in Trenton?

In Trenton, the average sunshine duration in September is 9.3h.

What is the UV index reading in September in Trenton?

In September, the average daily maximum UV index in Trenton, Tennessee, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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
Trenton, TN

Average temperature in September - Trenton, TN
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in September: 63°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 (31.3°F).

[Resources]

Average pressure in September
Trenton, TN

Average pressure in September - Trenton, 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 (29.95"Hg).

[Resources]

Average wind speed in September
Trenton, TN

Average wind speed in September - Trenton, TN
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

[Resources]

Average humidity in September
Trenton, TN

Average humidity in September - Trenton, 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 (70%).

[Resources]

Average rainfall in September
Trenton, TN

Average rainfall in September - Trenton, TN
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.55").

[Resources]

Average rainfall days in September
Trenton, TN

Average rainfall days in September - Trenton, TN
  • Average rainfall days in September: 9.1 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is November (6.6 days).

[Resources]

Average snowfall in September
Trenton, TN

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

The month with the highest snowfall is December (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Trenton, TN

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

The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Trenton, 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 48min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

[Resources]

Average sunshine days in September
Trenton, TN

Average sunshine days in September - Trenton, TN
  • Average sunshine days in September: 18.8 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (14.1 days).

[Resources]

Average UV index in September
Trenton, TN

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

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

[Resources]

Average cloud cover in September
Trenton, TN

Average cloud cover in September - Trenton, TN
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).

[Resources]

Average visibility in September
Trenton, TN

Average visibility in September - Trenton, 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]

Trenton, Tennessee, USA

Weather forecast for your location

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