Sullivan County, TN
: September 2026 so far averaged 72.6°F in Sullivan County, TN, the warmest 1 to 29 September in the county average since 2019, 3rd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- Tuesday 29 September 2026: a high of 75.3°F averaged over Sullivan County, TN, the coldest 29 September day in the county average since 2022, 37th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 46.3°F averaged over Sullivan County, TN, the coldest 29 September night in the county average since 2022, 25th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of Sullivan County, TN for 4 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- August 2026 averaged 74.9°F in Sullivan County, TN, the warmest August in the county average since 2021, tied 31st warmest of 132 (with 1924) (county average from NOAA's monthly county data, 1895 to 2026).
- Days of the month without a value
- 0
Every year on this date
- Above the normal range
- In it
- Below it
- Normal range
- This year and the extreme
Every year as a table
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 75.3 | 46.3 |
| 2025 | 80.9 | 57.2 |
| 2024 | 77.8 | 62.8 |
| 2023 | 77.1 | 54.7 |
| 2022 | 65 | 37.4 |
| 2021 | 81 | 53.4 |
| 2020 | 80.9 | 54.5 |
| 2019 | 89.6 | 64.2 |
| 2018 | 76.4 | 60.7 |
| 2017 | 83.7 | 55.8 |
| 2016 | 79.6 | 50.6 |
| 2015 | 79.2 | 63.6 |
| 2014 | 77.4 | 53.8 |
| 2013 | 74.3 | 51.7 |
| 2012 | 73.9 | 57.5 |
| 2011 | 76.6 | 51.7 |
| 2010 | 68.6 | 51.8 |
| 2009 | 74.6 | 48.9 |
| 2008 | 75.6 | 55.3 |
| 2007 | 79.2 | 44.3 |
| 2006 | 69.6 | 44.3 |
| 2005 | 81.8 | 55.3 |
| 2004 | 71.7 | 56 |
| 2003 | 66.5 | 41.3 |
| 2002 | 79.3 | 56 |
| 2001 | 64.5 | 39.4 |
| 2000 | 72.4 | 43.3 |
| 1999 | 78.7 | 62 |
| 1998 | 87.5 | 61.8 |
| 1997 | 67 | 54.1 |
| 1996 | 70.2 | 45.6 |
| 1995 | 76.4 | 47.5 |
| 1994 | 72.3 | 43.7 |
| 1993 | 68.3 | 39.4 |
| 1992 | 71.2 | 46.4 |
| 1991 | 73.4 | 38.2 |
| 1990 | 78.3 | 50.8 |
| 1989 | 70 | 44.2 |
| 1988 | 78.1 | 51.4 |
| 1987 | 78.7 | 52.3 |
| 1986 | 85.7 | 62.7 |
| 1985 | 74.3 | 40.6 |
| 1984 | 60.6 | 49.8 |
| 1983 | 77.3 | 44.4 |
| 1982 | 76 | 47.2 |
| 1981 | 74.4 | 39.8 |
| 1980 | 62.2 | 48.3 |
| 1979 | 76.6 | 60.3 |
| 1978 | 77.2 | 51.3 |
| 1977 | 69.3 | 45 |
| 1976 | 73.1 | 59 |
| 1975 | 72 | 44.6 |
| 1974 | 78.4 | 57.9 |
| 1973 | 84.7 | 60.8 |
| 1972 | 78.9 | 63.5 |
| 1971 | 83.5 | 59.7 |
| 1970 | 67.4 | 38.6 |
| 1969 | 73.9 | 40.3 |
| 1968 | 79.5 | 47.9 |
| 1967 | 62.5 | 41.8 |
| 1966 | 70.5 | 58.6 |
| 1965 | 76.2 | 47.4 |
| 1964 | 74.9 | 63 |
| 1963 | 67.1 | 50.5 |
| 1962 | 62.7 | 40 |
| 1961 | 78.5 | 48 |
| 1960 | 70.6 | 56.7 |
| 1959 | 86.7 | 59.1 |
| 1958 | 70.5 | 41.9 |
| 1957 | 57.4 | 44.7 |
| 1956 | 68.2 | 48.6 |
| 1955 | 79.6 | 54.5 |
| 1954 | 88 | 55.6 |
| 1953 | 87.6 | 45.2 |
| 1952 | 81.3 | 51.4 |
| 1951 | 69.6 | 39.4 |
Nearby
Bristol-Johnson City, TN 5.8 mi, the nearest city with its own station