Knoxville weather in September (Tennessee, United States of America)

Interested in knowing the climate of Knoxville in September? Use this page to get an overview of the month’s weather conditions.

Temperatures

In September, Knoxville tends to experience high temperatures and high rainfall. The temperature during the day can rise to approximately 28°C. At night, it falls to around 16°C.

Precipitation

Knoxville in September usually receives high rainfall, averaging around 120 mm for the month. The climate data from previous years indicates that there are typically about 9 days days of rain.

Average sunshine

There are approximately 233 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If your ideal day consists of dry skies and moderate temperatures May and October generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Knoxville climate page with graphs.

 

Knoxville, monthly averages in September

Min Temperature 16°C  

Max Temperature 28°C  

Chance of Rain 31%  

Precipitation 120 mm  

Rainy days 9 days  

Humidity 76%  

Sunshine 233 hours  

Percentage Sunshine 62%  

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Knoxville.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.