Weather on September 11
Knoxville, TN
55 Years of Data
About This Date
September 11th in Knoxville, TN typically brings warm fall weather, with average highs around 84°F and lows near 62°F. Over 56 years of records, the warmest September 11th was in 1983 (81°F average), while the coldest was 2017 (59°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 11th dates historically, with the wettest September 11th recording 1.39" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 11th in Knoxville, TN? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 94° | 69° | 81° | — | — |
| 2025 | 81° | 52° | 66° | — | — |
| 2024 | 88° | 49° | 68° | — | — |
| 2023 | 85° | 65° | 75° | — | — |
| 2022 | 79° | 65° | 72° | 0.34" | — |
| 2021 | 80° | 55° | 68° | — | — |
| 2020 | 88° | 66° | 77° | — | — |
| 2019 | 95° | 65° | 80° | — | — |
| 2018 | 83° | 69° | 76° | — | — |
| 2017coldest | 62° | 55° | 59° | 0.3" | — |
| 2016 | 93° | 66° | 80° | 0.24" | — |
| 2015 | 79° | 68° | 73° | 1.39" | — |
| 2014 | 86° | 66° | 76° | — | — |
| 2013 | 89° | 66° | 78° | — | — |
| 2012 | 80° | 56° | 68° | — | — |
| 2011 | 80° | 54° | 67° | — | — |
| 2010 | 77° | 66° | 72° | 0.03" | — |
| 2009 | 83° | 63° | 73° | 0.5" | — |
| 2008 | 84° | 67° | 75° | — | — |
| 2007 | 80° | 70° | 75° | 0.32" | — |
| 2006 | 85° | 63° | 74° | — | — |
| 2005 | 91° | 58° | 74° | — | — |
| 2004 | 85° | 65° | 75° | — | — |
| 2003 | 83° | 59° | 71° | — | — |
| 2002 | 96° | 60° | 78° | — | — |
| 2001 | 79° | 63° | 71° | — | — |
| 2000 | 89° | 69° | 79° | — | — |
| 1999 | 86° | 51° | 69° | — | — |
| 1998 | 80° | 47° | 63° | — | — |
| 1997 | 77° | 60° | 69° | 0.17" | — |
| 1996 | 80° | 64° | 72° | — | — |
| 1995 | 88° | 65° | 76° | — | — |
| 1994 | 83° | 56° | 69° | — | — |
| 1993 | 81° | 43° | 62° | — | — |
| 1992 | 87° | 61° | 74° | 0.24" | — |
| 1991 | 83° | 64° | 73° | 0.07" | — |
| 1990 | 89° | 65° | 77° | — | — |
| 1989 | 87° | 67° | 77° | — | — |
| 1988 | 79° | 65° | 72° | 0.01" | — |
| 1987 | 87° | 67° | 77° | 0.46" | — |
| 1986 | 84° | 60° | 72° | — | — |
| 1985 | 90° | 66° | 78° | — | — |
| 1984 | 84° | 58° | 71° | — | — |
| 1983warmest | 93° | 68° | 81° | — | — |
| 1982 | 79° | 65° | 72° | — | — |
| 1981 | 82° | 58° | 70° | — | — |
| 1980 | 85° | 59° | 72° | — | — |
| 1979 | 77° | 54° | 65° | — | — |
| 1978 | 91° | 67° | 79° | 0.81" | — |
| 1977 | 83° | 59° | 71° | 0.06" | — |
| 1976 | 73° | 48° | 61° | — | — |
| 1975 | 89° | 68° | 79° | — | — |
| 1974 | 80° | 65° | 72° | 0.17" | — |
| 1973 | 86° | 60° | 73° | — | — |
| 1972 | 85° | 64° | 74° | — | — |
| 1971 | 89° | 72° | 80° | — | — |
Knoxville, TN Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Knoxville, TN Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Knoxville, TN Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Knoxville, TN
Most pleasant months in Knoxville, TN: April, May, September, October.