easeweather.com
Units
°C
°F
Tennessee
Forecast Today Tomorrow
more
United States

Weather in Tennessee for September 2025

Your guide to Tennessee weather in September - trends and predictions
  • In general, the average temperature in Tennessee at the beginning of September is 31 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.4 °F by the end of September.

  • Tennessee sees moderate rainfall in September, averaging 8 rainy days.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/18°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
58 %
Avg humidity

Tennessee in September average weather

Move between months or click on a day
Select a date

You can click on date

Access Tennessee weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during September in Tennessee

See the weather trend as well as the moving average line

September weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Sept. 1 Overcast
Overcast
29° /18° 3.6 mm 7
Sept. 2 Overcast
Overcast
32° /20° 0 mm 7
Sept. 3 Mist
Mist
32° /18° 0.1 mm 7
Sept. 4 Cloudy
Cloudy
32° /22° 0 mm 8
Sept. 5 Patchy rain possible
Patchy rain possible
30° /22° 0.4 mm 7
Sept. 6 Thundery outbreaks possible
Thundery outbreaks possible
34° /20° 1 mm 8
Sept. 7 Overcast
Overcast
28° /16° 0.2 mm 7
Sept. 8 Mist
Mist
27° /14° 0 mm 7
Sept. 9 Partly cloudy
Partly cloudy
29° /15° 0 mm 7
Sept. 10 Cloudy
Cloudy
31° /17° 0.1 mm 8
Sept. 11 Partly cloudy
Partly cloudy
32° /20° 0 mm 8
Sept. 12 Cloudy
Cloudy
26° /17° 12.9 mm 6
Sept. 13 Overcast
Overcast
25° /18° 8.5 mm 6
Sept. 14 Overcast
Overcast
25° /16° 5.5 mm 6
Sept. 15 Sunny
Sunny
30° /16° 0 mm 7
Sept. 16 Patchy rain possible
Patchy rain possible
29° /17° 2 mm 7
Sept. 17 Mist
Mist
30° /17° 0.1 mm 7
Sept. 18 Cloudy
Cloudy
28° /16° 0 mm 6
Sept. 19 Overcast
Overcast
29° /18° 0 mm 7
Sept. 20 Overcast
Overcast
32° /18° 0 mm 8
Sept. 21 Cloudy
Cloudy
32° /21° 0 mm 7
Sept. 22 Partly cloudy
Partly cloudy
33° /21° 0 mm 9
Sept. 23 Sunny
Sunny
31° /20° 2.2 mm 8
Sept. 24 Overcast
Overcast
30° /18° 24.5 mm 7
Sept. 25 Overcast
Overcast
25° /17° 3.6 mm 6
Sept. 26 Patchy rain possible
Patchy rain possible
26° /17° 10.5 mm 6
Sept. 27 Thundery outbreaks possible
Thundery outbreaks possible
26° /18° 143.6 mm 6
Sept. 28 Thundery outbreaks possible
Thundery outbreaks possible
24° /17° 45.1 mm 6
Sept. 29 Overcast
Overcast
26° /17° 2.5 mm 6
Sept. 30 Mist
Mist
28° /18° 5.8 mm 6
Next
Important Notice
Our weather forecast for Tennessee in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Tennessee forecast closer to your planned date for the most up-to-date weather information.

Tennessee in September - FAQ

What are the expected maximum and minimum temperatures in Tennessee during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Tennessee during September?
In September, Tennessee can expect light to moderate rainfall, totaling 20.2 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Tennessee during September?
The average wind speed in Tennessee during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Tennessee

Explore the daily rainfall trends and prepare for Tennessees September weather 💧

UV exposure in Tennessee during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Tennessee
Select a province for an accurate weather forecast
Top locations in Tennessee
Select a location for an accurate weather forecast
More Locations

Quick links

Location coordinates Where is Tennessee?

Get accurate weather forecasts for Tennessee, located at latitude 36.166 and longitude -86.784. Stay updated with localized weather information tailored for Tennessee.

Found a mistake?
We appreciate your attention to details. Tell us here.