climatesince.com

Roane County, TN

: September 2026 so far averaged 76.5°F in Roane County, TN, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
78.1°F
Warmest since 2025
36th warmest of 76
Low
47.2°F
Coldest since 2022
21st coldest of 76

No measurable precipitation in the county average of Roane County, TN for 5 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Roane County, TN since 1951: 47.2°F in 2026; the lowest is 39.1°F, in 1962.
2022: 43°F1962: 39.1°F2026: 47.2°F 2026 47.2°F 1962 39.1°F since 2022 1951 2026
  • Normal range, 44.2 to 64.5°F
Every year as a table

Every 29 September high of the county average in Roane County, TN since 1951: 78.1°F in 2026; the highest is 91.7°F, in 2019.

YearHigh, °FLow, °F
202678.147.2
202582.659.8
202468.763.3
202378.156.2
202267.843
202181.655.6
202080.555.5
201991.767.2
201875.358.6
20178558.6
201682.448.5
201580.165.6
201478.360.5
201378.155.7
201280.461.6
201179.353.9
201071.750.5
200974.546
20088256.2
200781.747.7
200670.644.3
200581.559.3
20047555.3
200367.239.4
200279.857.6
200171.844.8
200075.145.8
19998464.4
199888.665.8
199775.852.8
199666.545.7
199578.750.2
199476.545.5
199373.639.9
199276.352.5
199176.642.9
199080.754.6
198970.651.3
198879.655.8
198781.953.8
19868964.6
198573.742.6
198462.551
19838048.4
198277.649.8
198177.942.5
198062.354.1
197974.762
197879.854
19777450.1
197672.158.6
197573.846.7
197480.862.7
19738265.6
197280.464.7
197186.861.5
197070.740.4
196975.644.5
196880.849.4
19675541
196674.756
196578.450.4
196475.666.1
196366.556.9
196267.639.1
19618349.8
196069.459.8
195988.361
195872.944.7
195763.852.3
19567647
195580.961.3
195489.363.7
195390.450.5
195284.551.4
195171.841.6

The month

August 2026 averaged 78.2°F in Roane County, TN, the warmest August in the county average since 2016, tied 17th warmest of 132 (with 1987, 1947, 1938 and 1 other year) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 78.1°F averaged over Roane County, TN, the warmest 29 September in the county average since 2025, tied 36th warmest of 76 (with 2023 and 2013) (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 47.2°F averaged over Roane County, TN, the coldest 29 September night in the county average since 2022, 21st coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Oak Ridge, TN 20.3 mi, the nearest city with its own station