climatesince.com

Clayton County, GA

: September 2026 so far averaged 77.6°F in Clayton County, GA, 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.

High
83°F
Warmest since 2025
20th warmest of 76
Low
51.1°F
Coldest since 2022
17th coldest of 76

No measurable precipitation in the county average of Clayton County, GA 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 Clayton County, GA since 1951: 51.1°F in 2026; the lowest is 40.6°F, in 1967.
2022: 49.2°F1967: 40.6°F2026: 51.1°F 2026 51.1°F 1967 40.6°F since 2022 1951 2026
  • Normal range, 47.7 to 67.8°F
Every year as a table

Every 29 September high of the county average in Clayton County, GA since 1951: 83°F in 2026; the highest is 92.3°F, in 2019.

YearHigh, °FLow, °F
20268351.1
202585.363.9
202477.563.3
202379.556.8
202274.849.2
202183.558.7
202081.757.5
201992.369.4
201883.667.6
201790.464.9
201687.656.5
201573.367.2
201474.764.6
201375.252.7
201284.460.4
201178.460.7
201076.754.1
200980.950.8
200885.458.8
200783.855.7
200680.747.7
200583.667.6
200478.960.2
20037346.3
200278.163.7
200177.147.6
200075.149.4
199981.271.2
199878.570.4
199770.461.2
19967353.1
199576.754.8
199481.551.7
199376.846.9
199276.361.9
199176.348.8
19908259.4
198959.853.7
198879.556.8
19878160.7
198691.865.5
198573.648.7
198473.756.9
198375.251
198279.854.1
198187.149.5
198061.355.5
197979.564.1
19788260.6
197779.454.2
197681.265
197573.852.7
197480.866.9
197380.565.8
197286.566.9
19718262.5
197072.146.1
196983.255.9
196881.360.8
196763.640.6
196676.864.1
196566.459.8
196482.571.3
196369.159.6
196271.840.7
19618456
196068.660.4
195985.764
195877.249.7
19575450
195677.754.4
195584.762.9
195490.964.4
195386.157.2
195279.955.9
195176.353.5

The month

August 2026 averaged 81.1°F in Clayton County, GA, the warmest August in the county average since 2016, tied 9th warmest of 132 (with 1999) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 83°F averaged over Clayton County, GA, the warmest 29 September in the county average since 2025, 20th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 51.1°F averaged over Clayton County, GA, the coldest 29 September night in the county average since 2022, 17th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Atlanta, GA 5.6 mi, the nearest city with its own station