Weather on September 19
Knoxville, TN
55 Years of Data
About This Date
September 19th in Knoxville, TN typically brings warm fall weather, with average highs around 81°F and lows near 59°F. Over 56 years of records, the warmest September 19th was in 1978 (80°F average), while the coldest was 1981 (54°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 18% of September 19th dates historically, with the wettest September 19th recording 1.15" of rain. The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for September 19th in Knoxville, TN? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 93° | 65° | 79° | 0.07" | — |
| 2025 | 85° | 54° | 69° | — | — |
| 2024 | 88° | 61° | 74° | — | — |
| 2023 | 80° | 54° | 67° | — | — |
| 2022 | 85° | 60° | 72° | — | — |
| 2021 | 81° | 66° | 73° | 0.65" | — |
| 2020 | 76° | 60° | 68° | — | — |
| 2019 | 90° | 68° | 79° | — | — |
| 2018 | 88° | 68° | 78° | — | — |
| 2017 | 87° | 60° | 74° | — | — |
| 2016 | 85° | 68° | 76° | — | — |
| 2015 | 86° | 60° | 73° | — | — |
| 2014 | 79° | 55° | 67° | — | — |
| 2013 | 80° | 59° | 70° | — | — |
| 2012 | 74° | 50° | 62° | 0.14" | — |
| 2011 | 79° | 52° | 65° | — | — |
| 2010 | 88° | 61° | 74° | — | — |
| 2009 | 84° | 66° | 75° | 0.48" | — |
| 2008 | 82° | 55° | 69° | — | — |
| 2007 | 83° | 57° | 70° | — | — |
| 2006 | 87° | 58° | 72° | 0.97" | — |
| 2005 | 86° | 57° | 72° | — | — |
| 2004 | 78° | 51° | 65° | — | — |
| 2003 | 82° | 55° | 69° | — | — |
| 2002 | 80° | 69° | 75° | 0.01" | — |
| 2001 | 81° | 53° | 67° | — | — |
| 2000 | 80° | 51° | 66° | — | — |
| 1999 | 82° | 55° | 69° | — | — |
| 1998 | 90° | 63° | 76° | — | — |
| 1997 | 89° | 58° | 73° | — | — |
| 1996 | 74° | 49° | 61° | — | — |
| 1995 | 80° | 53° | 67° | — | — |
| 1994 | 78° | 52° | 65° | — | — |
| 1993 | 81° | 50° | 65° | — | — |
| 1992 | 80° | 66° | 73° | 0.5" | — |
| 1991 | 92° | 56° | 74° | 1.15" | — |
| 1990 | 78° | 50° | 64° | — | — |
| 1989 | 76° | 55° | 65° | — | — |
| 1988 | 78° | 62° | 70° | — | — |
| 1987 | 72° | 63° | 67° | 0.25" | — |
| 1986 | 74° | 65° | 69° | — | — |
| 1985 | 83° | 49° | 66° | — | — |
| 1984 | 73° | 43° | 58° | — | — |
| 1983 | 90° | 61° | 75° | — | — |
| 1982 | 82° | 67° | 74° | — | — |
| 1981coldest | 61° | 48° | 54° | — | — |
| 1980 | 85° | 64° | 74° | — | — |
| 1979 | 71° | 64° | 68° | — | — |
| 1978warmest | 90° | 70° | 80° | — | — |
| 1977 | 83° | 67° | 75° | — | — |
| 1976 | 79° | 56° | 67° | — | — |
| 1975 | 79° | 64° | 71° | — | — |
| 1974 | 77° | 58° | 67° | — | — |
| 1973 | 69° | 48° | 59° | — | — |
| 1972 | 81° | 65° | 73° | — | — |
| 1971 | 78° | 68° | 73° | 0.04" | — |
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.