Knoxville September Weather Averages Tennessee, United States of America

September Weather Averages for Knoxville

High Temp	28°C	82°F
Low Temp	17°C	62°F
Avg Temp	21°C	71°F
Sunshine Hours	223 hours
Rainfall	115.70 mm	4.55 In
Rain days	7 days
Pressure	1017 mb	31 In

Knoxville September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	28°C / 83°F	16°C / 61°F	21°C / 71°F	278 hours	29.40 mm / 1.16 In	4 days	1018 mb / 31 In
2009	25°C / 78°F	16°C / 61°F	20°C / 68°F	167 hours	230.71 mm / 9.08 In	14 days	1017 mb / 31 In
2010	29°C / 83°F	15°C / 60°F	21°C / 70°F	259 hours	93.23 mm / 3.67 In	6 days	1016 mb / 30 In
2011	25°C / 77°F	14°C / 58°F	19°C / 66°F	200 hours	208.16 mm / 8.20 In	12 days	1015 mb / 30 In
2012	26°C / 79°F	14°C / 58°F	20°C / 67°F	239 hours	130.98 mm / 5.16 In	8 days	1017 mb / 31 In
2013	27°C / 81°F	15°C / 59°F	20°C / 69°F	273 hours	98.56 mm / 3.88 In	7 days	1016 mb / 30 In
2014	28°C / 82°F	16°C / 61°F	21°C / 70°F	224 hours	50.66 mm / 1.99 In	6 days	1018 mb / 31 In
2015	27°C / 80°F	16°C / 61°F	21°C / 70°F	165 hours	93.90 mm / 3.70 In	7 days	1017 mb / 31 In
2016	30°C / 86°F	18°C / 64°F	23°C / 74°F	288 hours	32.80 mm / 1.29 In	3 days	1018 mb / 31 In
2017	27°C / 80°F	16°C / 61°F	21°C / 69°F	239 hours	59.40 mm / 2.34 In	5 days	1017 mb / 31 In
2018	29°C / 84°F	20°C / 68°F	24°C / 75°F	198 hours	143.95 mm / 5.67 In	12 days	1018 mb / 31 In
2019	32°C / 90°F	21°C / 69°F	26°C / 79°F	283 hours	8.69 mm / 0.34 In	2 days	1018 mb / 31 In
2020	26°C / 80°F	17°C / 63°F	22°C / 71°F	150 hours	130.97 mm / 5.16 In	8 days	1018 mb / 31 In
2021	27°C / 81°F	16°C / 61°F	21°C / 70°F	229 hours	56.20 mm / 2.21 In	4 days	1017 mb / 31 In
2022	27°C / 80°F	16°C / 60°F	21°C / 69°F	226 hours	112.90 mm / 4.44 In	8 days	1017 mb / 31 In
2023	30°C / 85°F	16°C / 61°F	22°C / 72°F	225 hours	31.27 mm / 1.23 In	0 days	1017 mb / 31 In
2024	27°C / 80°F	18°C / 64°F	22°C / 72°F	203 hours	368.75 mm / 14.52 In	6 days	1015 mb / 30 In

Tennessee

Hotels Near Knoxville

Cities Near Knoxville

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started