climatesince.com

Decatur County, TN

: September 2026 so far averaged 79.9°F in Decatur 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
83.4°F
Warmest since 2025
24th warmest of 76
Low
48.9°F
Coldest since 2022
32nd coldest of 76

No measurable precipitation in the county average of Decatur 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 Decatur County, TN since 1951: 48.9°F in 2026; the lowest is 34.9°F, in 1967.
2022: 44.6°F1967: 34.9°F2026: 48.9°F 2026 48.9°F 1967 34.9°F since 2022 1951 2026
  • Normal range, 43.7 to 61.2°F
Every year as a table

Every 29 September high of the county average in Decatur County, TN since 1951: 83.4°F in 2026; the highest is 96.5°F, in 1953.

YearHigh, °FLow, °F
202683.448.9
202584.754.7
202468.361
202384.263.7
202271.744.6
202186.459.8
202068.647.8
201992.366.9
201877.855.9
201782.351.7
201685.447.2
201576.366.8
201482.558.4
201379.757.9
201281.760.6
201180.953.2
201076.144.8
200975.347
200885.851.2
200783.449.8
200671.343.1
200586.154.8
200479.650
200369.838.6
200283.256.7
200173.144.2
200078.746.3
199987.558
199890.867.4
199781.249.9
199671.943.8
199580.149.8
199483.445.1
199376.841.6
199275.147.9
199179.645.1
19908856.2
198964.657
198875.762.3
198784.858.9
198692.667.2
198574.642.1
19846143.3
198382.248.3
198281.247.6
198180.644.3
198064.356.9
197978.655.8
197882.554.4
197778.554.5
197671.354.2
197572.443.5
197484.254.1
197385.468.4
197279.466.8
197189.563.8
197074.642.1
196979.642.8
196883.947.9
196758.234.9
196671.547.2
196581.454.1
196464.955.5
196371.350.9
19627138.8
196184.546.8
196077.156
195986.865.1
195875.246.2
195767.653
19568843.4
195588.664.3
195490.865
195396.548.8
195287.550.6
195171.738

The month

August 2026 averaged 78.8°F in Decatur County, TN, the warmest August in the county average since 2021, tied 39th warmest of 132 (with 2021, 1999, 1993 and 2 other years) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 83.4°F averaged over Decatur County, TN, the warmest 29 September in the county average since 2025, tied 24th warmest of 76 (with 2007 and 1994) (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 48.9°F averaged over Decatur County, TN, the coldest 29 September night in the county average since 2022, 32nd coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Muscle Shoals, AL 66.0 mi, the nearest city with its own station