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Franklin County, TN

: September 2026 so far averaged 77.3°F in Franklin 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
81.5°F
Warmest since 2025
21st warmest of 76
Low
46.9°F
Coldest since 2022
22nd coldest of 76

No measurable precipitation in the county average of Franklin County, TN for 6 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Franklin County, TN since 1951: 46.9°F in 2026; the lowest is 35.2°F, in 1967.
2022: 43.5°F1967: 35.2°F2026: 46.9°F 2026 46.9°F 1967 35.2°F since 2022 1951 2026
  • Normal range, 43.7 to 65°F
Every year as a table

Every 29 September high of the county average in Franklin County, TN since 1951: 81.5°F in 2026; the highest is 90°F, in 1986.

YearHigh, °FLow, °F
202681.546.9
202583.859.4
202464.960.6
202377.858.2
202269.243.5
202181.756.2
202077.151.9
201989.865.7
201877.158.5
201782.654.8
201680.246.5
20157464.9
201478.760.5
201376.653
201282.458.3
20117951.5
201069.545.6
20097445.8
200881.952.3
200781.351.2
200671.142.3
200581.657.9
200476.453.5
200366.139.5
200280.556.9
200172.144.7
200074.746.1
199985.466.5
19988566.1
199777.952.3
199665.943.9
199578.149.7
199479.345.7
199373.140.1
19927551
199178.544.1
199083.156.2
19896454.1
198877.659.1
198781.357.1
19869065
198572.143.2
198463.249.4
198380.447.3
198277.348.2
198178.542.1
198063.654.1
197972.757.6
197879.352.9
197774.851.6
197671.560.5
197573.841.8
197479.457.7
197383.166.5
197277.363.8
197186.960.4
197071.338.2
19697644
196881.749.5
19675535.2
196673.750.7
196575.954.7
196474.665.7
196367.752.8
196268.136.4
196183.449.5
196068.159.7
195987.761.3
195874.744.1
195762.251.7
195680.448.8
195584.362.1
195486.963.5
195389.450.3
195283.350.3
195172.739.7

The month

August 2026 averaged 77.8°F in Franklin County, TN, the warmest August in the county average since 2016, tied 20th warmest of 132 (with 1988) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 81.5°F averaged over Franklin County, TN, the warmest 29 September in the county average since 2025, 21st warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 46.9°F averaged over Franklin County, TN, the coldest 29 September night in the county average since 2022, 22nd coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Chattanooga, TN 51.5 mi, the nearest city with its own station