World Resorts USA Knoxville Weather

Knoxville weather in September

Weather in Knoxville: September

Average day temperature: 80.0°F
Average night temperature: 63.0°F
Number of sunny days: 14 days
Day length: 11.8 - 12.9 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 90°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during September were 80.2°F and 64.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Knoxville in September is 1.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 3.9 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.2.

Best time for vacation in Knoxville

Sunniest months:
October 16 days
November 16 days
September 14 days
Warmest months:
July 86.9 °F
August 85.7 °F
June 83.0 °F
Coldest months:
January 45.9 °F
December 50.8 °F
February 51.4 °F
Rainiest months:
March 5 days
January 5 days
February 5 days
Windiest months:
March 5.6 mph
April 5.6 mph
February 5.6 mph

Knoxville on a weather map

Knoxville
+46°F
E 15 mph
Feels like: +39°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+50°F
+75°F
+75°F
+59°F
+70°F
+77°F
+70°F
+46°F
+63°F
+57°F
+73°F
+72°F
+66°F
+34°F
24 Hours Forecast
Knoxville
Local time: 14:29
November 21, thursday
1500
46°F
E
15 mph
1800
43°F
E
9 mph
2100
37°F
E
9 mph
November 22, friday
0000
37°F
E
11 mph
0300
36°F
E
11 mph
0600
34°F
E
11 mph
0900
37°F
S
9 mph
1200
41°F
SE
7 mph
Units of measurement: °C / °F