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Chatham County, GA

Tuesday : a low of 57.8°F averaged over Chatham County, GA, the coldest 29 September night in the county average since 2003, 13th coldest 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
87.2°F
Warmest since 2024
13th warmest of 76
Low
57.8°F
Coldest since 2003
13th coldest of 76

No measurable precipitation in the county average of Chatham County, GA 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 Chatham County, GA since 1951: 57.8°F in 2026; the lowest is 50.7°F, in 1962.
2003: 55.6°F1962: 50.7°F2026: 57.8°F 2026 57.8°F 1962 50.7°F since 2003 1951 2026
  • Normal range, 57.2 to 72.9°F
Every year as a table

Every 29 September high of the county average in Chatham County, GA since 1951: 87.2°F in 2026; the highest is 94.6°F, in 2017.

YearHigh, °FLow, °F
202687.257.8
20258470.6
202487.269.2
202373.864.7
202274.858.4
202186.961.9
202083.469.8
20199269.3
201890.673.1
201794.671.9
201690.770.4
201584.372.4
201480.469.7
201379.260.9
20128764.8
201189.667.7
201081.166.3
200986.160.7
200886.563.5
200789.368.6
200683.463.1
200587.369.5
200488.268.6
200380.655.6
200282.772.9
200174.556.1
200076.957.7
199985.673.5
19988775.6
199785.165.8
199685.468.6
199582.264
199486.366
199380.154.7
199280.368.7
199178.257.3
199081.666.2
198976.664.7
198882.467.6
198784.264.7
198692.372.8
198582.256.2
198471.557.6
198375.158.5
198282.360.4
198187.263.6
198072.864.1
197983.968.8
197880.560
197785.661.8
19768571.1
197579.261.5
197489.171.3
197384.966.8
197289.968.7
197184.564
197076.254.5
196982.262.6
196884.568.3
196782.452.3
196677.569.5
196572.563.3
196486.367.5
196379.167.8
196273.650.7
19618564.3
196079.867.6
195985.371.2
195880.157.1
195767.559.8
195678.756.6
195585.568.3
195487.668.6
195383.866
195280.465.5
19518068.6

The month

September 2026 so far averaged 78.6°F in Chatham County, GA, the warmest 1 to 29 September in the county average since 2019, tied 9th warmest of 76 (with 1993) (county average from NOAA gridded data, 1951 to 2026).

The month in words
  • August 2026 averaged 83.5°F in Chatham County, GA, the warmest August in the county average since 2016, tied 7th warmest of 132 (with 2007 and 1954) (county average from NOAA's monthly county data, 1895 to 2026).
  • Tuesday 29 September 2026: a high of 87.2°F averaged over Chatham County, GA, the warmest 29 September in the county average since 2024, tied 13th warmest of 76 (with 2024 and 1981) (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Savannah, GA 12.6 mi, the nearest city with its own station