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DeKalb County, AL

: September 2026 so far averaged 77.4°F in DeKalb County, AL, 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
81.1°F
Warmest since 2025
22nd warmest of 76
Low
48.6°F
Coldest since 2022
20th coldest of 76

No measurable precipitation in the county average of DeKalb County, AL 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 DeKalb County, AL since 1951: 48.6°F in 2026; the lowest is 37.2°F, in 1962.
2022: 44.8°F1962: 37.2°F2026: 48.6°F 2026 48.6°F 1962 37.2°F since 2022 1951 2026
  • Normal range, 44.9 to 66.4°F
Every year as a table

Every 29 September high of the county average in DeKalb County, AL since 1951: 81.1°F in 2026; the highest is 90.1°F, in 1986.

YearHigh, °FLow, °F
202681.148.6
202584.360.6
202466.260.1
202380.657.9
202269.844.8
202181.657
202078.254
201989.667.4
201878.962.6
201784.857.8
201681.451
201572.366.6
20147661.3
201376.153.7
201282.659.1
201179.354.9
201071.848.7
200977.846.6
200881.855
200781.854.2
20067443.8
20058163.3
200476.655.2
200368.841.1
200280.358.6
20017445.7
200074.447.8
199982.766.4
199882.768.3
199774.555.3
199664.445.2
19957851.5
199479.446.7
199374.541.9
199276.254.4
199177.645
199082.157.6
198960.254.4
198877.659.9
198781.258.4
198690.164.9
198573.543.7
198469.153.8
198379.548.8
198279.250.1
198180.643.4
198062.955.7
197973.760.6
197881.156.4
197777.253.4
197675.762.8
19757444.5
197477.160.9
197383.265.6
197280.165.7
197185.462
197071.539.8
196977.348.4
196880.752.6
196757.737.4
196676.955.6
196573.859.1
196478.567.5
196368.156.1
196269.237.2
196184.152.7
196066.360.8
195986.361.8
195875.445.1
195760.152.5
195680.952
195585.764
195488.863.5
195388.352.5
195281.653.3
195174.346.1

The month

August 2026 averaged 77.8°F in DeKalb County, AL, the warmest August in the county average since 2016, tied 33rd warmest of 132 (with 2005 and 1903) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 81.1°F averaged over DeKalb County, AL, the warmest 29 September in the county average since 2025, tied 22nd warmest of 76 (with 1978) (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 48.6°F averaged over DeKalb County, AL, the coldest 29 September night in the county average since 2022, 20th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Chattanooga, TN 52.3 mi, the nearest city with its own station