Monthly Temperatures in Chattanooga, TN for September 2025

Cumulative for September

Daily Average Temperature for Month

Day Outside Dining Room Garage Family room Bedroom 1 Bedroom 2 Bedroom 3 Sunroom Servers 1 67.12357 80.29917 80.29347 79.70819 77.64833 80.03944 86.78222 78.14833 70.97493

Daily Minimum Temperature for the Month

Day Outside Dining Room Garage Family room Bedroom 1 Bedroom 2 Bedroom 3 Sunroom Servers 1 65.7 (05:45) 77.5 (08:36) 76.5 (10:21) 77.0 (10:37) 73.9 (07:14) 77.4 (12:31) 84.9 (09:09) 69.1 (05:49) 70.3 (10:05)

Daily Maximum Temperature for the Month

Day Outside Dining Room Garage Family room Bedroom 1 Bedroom 2 Bedroom 3 Sunroom Servers 1 69.1 (00:00) 81.9 (18:05) 82.8 (16:44) 81.5 (18:13) 81.7 (19:08) 81.9 (17:58) 88.2 (00:00) 107.2 (16:31) 72.1 (08:51)