Monthly Temperatures in Chattanooga, TN for September 2026

Click for Chattanooga, TN Forecast

Cumulative for September

Daily Average Temperature for Month

DayOutsideDining RoomGarageFamily roomBedroom 1Bedroom 2Bedroom 3SunroomServers
181.6309775.9814677.3082672.6410474.6922276.1370176.2783979.7372969.42111
283.5572276.5471578.0720872.3874374.9491076.6749376.0356980.8641069.64715
384.3859777.1484781.1185472.6460475.1019477.1721576.5687583.1086169.68215
484.5977877.2006980.5564672.4981375.3229277.6561876.5319281.9626469.60396
581.9961176.4285477.7518171.7618173.6440375.8196575.7402181.6964669.48542
683.1044476.3172278.2784772.4558374.7423676.7559775.8649880.8740369.77736
777.1417475.0331378.0391070.7552173.3879275.1243174.7380680.2385469.76694
878.6250075.3322978.8769471.0116774.5752876.1158375.1979279.8999369.80833
979.2292475.3803579.0429271.0028574.2509075.9147975.4608879.9516069.33861
1079.4973675.3477177.3286870.6813274.0943175.6791075.5187580.1385469.32896
1179.0577175.7236877.1245872.8462575.0984776.7377875.9709078.1816069.35660
1276.4997275.4929977.0315373.4300775.3768876.7123675.9211877.9042469.75160

Daily Minimum Temperature for the Month

DayOutsideDining RoomGarageFamily roomBedroom 1Bedroom 2Bedroom 3SunroomServers
170.0 (08:00)73.8 (10:27)75.4 (07:44)71.1 (18:53)72.7 (00:36)73.9 (23:59)74.5 (09:53)74.7 (10:29)68.7 (23:52)
272.1 (07:55)73.8 (08:58)75.7 (09:30)69.8 (20:00)72.9 (00:21)73.9 (00:11)73.6 (09:44)75.6 (08:07)69.3 (23:59)
373.2 (07:32)73.9 (08:02)75.9 (08:02)70.3 (20:23)72.9 (03:11)74.7 (09:15)73.8 (09:18)76.3 (07:31)69.3 (01:24)
474.1 (07:41)74.3 (08:27)77.4 (09:08)70.3 (18:47)72.9 (01:55)74.7 (04:36)73.8 (09:37)76.3 (08:44)69.1 (01:58)
574.3 (08:02)74.5 (07:25)76.5 (23:59)70.0 (09:22)72.5 (22:17)73.9 (04:45)73.8 (09:07)76.5 (08:02)69.1 (02:32)
673.0 (08:14)73.9 (09:36)75.7 (08:23)68.9 (23:59)72.9 (00:12)74.7 (09:54)73.8 (07:47)75.2 (07:06)69.4 (23:59)
770.7 (07:58)73.9 (07:23)76.5 (09:25)68.4 (20:59)72.7 (01:06)74.3 (10:37)73.8 (12:15)76.5 (07:32)69.3 (00:46)
870.7 (07:47)73.6 (08:43)75.7 (07:29)67.5 (22:32)72.9 (22:31)74.7 (10:52)73.9 (10:41)74.5 (08:31)69.3 (22:50)
967.1 (07:59)73.4 (08:31)76.5 (08:55)68.2 (18:43)72.0 (23:51)73.9 (23:49)73.8 (09:24)73.9 (08:22)68.5 (21:27)
1066.4 (07:38)73.6 (10:36)76.3 (10:00)67.6 (16:37)72.0 (01:10)73.8 (09:51)73.8 (10:53)74.5 (08:06)68.9 (21:57)
1168.2 (07:35)73.4 (06:34)75.7 (06:22)70.3 (19:03)73.4 (01:37)74.5 (09:06)73.8 (09:34)74.5 (09:43)68.7 (19:00)
1271.8 (23:59)73.9 (08:18)76.5 (11:06)70.9 (19:08)74.5 (10:23)75.6 (23:21)74.7 (10:12)74.8 (07:10)69.3 (02:36)

Daily Maximum Temperature for the Month

DayOutsideDining RoomGarageFamily roomBedroom 1Bedroom 2Bedroom 3SunroomServers
195.4 (16:27)79.3 (19:29)82.0 (14:59)73.8 (10:11)77.0 (17:50)79.2 (19:50)78.8 (18:39)88.2 (18:49)70.0 (03:49)
296.8 (17:17)80.4 (18:20)84.6 (15:35)73.8 (08:37)77.4 (17:26)80.8 (16:39)79.9 (18:40)88.2 (18:35)70.0 (08:03)
397.0 (15:48)81.0 (17:50)88.2 (16:12)75.6 (12:05)78.1 (20:39)81.0 (16:24)80.1 (18:18)92.7 (17:55)70.0 (06:55)
497.2 (16:25)81.0 (17:52)86.4 (15:51)73.9 (15:10)79.2 (17:48)82.8 (16:59)80.4 (19:08)90.0 (18:51)69.8 (06:12)
597.3 (13:56)78.8 (15:07)79.7 (17:32)74.3 (14:32)75.2 (16:12)78.8 (16:03)78.3 (16:01)90.0 (16:42)70.0 (10:57)
697.2 (16:14)79.3 (18:33)85.5 (14:43)75.2 (16:00)77.0 (17:09)81.0 (16:30)79.0 (18:32)88.2 (16:06)70.0 (02:40)
785.6 (15:47)76.5 (00:00)81.5 (15:49)73.6 (12:55)74.5 (23:55)76.3 (00:00)76.3 (00:00)85.5 (15:57)70.0 (06:17)
888.7 (17:18)77.5 (19:05)83.7 (17:10)73.8 (11:12)75.7 (05:53)79.0 (16:54)77.4 (19:14)88.3 (16:02)70.2 (12:22)
991.6 (17:10)78.1 (17:56)83.8 (17:35)73.8 (09:44)75.6 (05:19)78.8 (16:31)78.1 (19:00)87.8 (18:59)70.0 (02:42)
1092.8 (15:30)78.8 (18:43)80.1 (16:46)72.7 (04:53)75.9 (16:57)79.2 (16:55)77.9 (18:35)89.2 (16:38)70.0 (04:25)
1193.4 (16:25)78.4 (16:25)80.4 (17:32)74.5 (10:55)76.6 (14:47)80.2 (15:56)78.8 (17:44)83.7 (18:44)69.8 (04:05)
1286.0 (16:35)77.4 (18:22)79.2 (18:40)74.7 (10:56)76.5 (04:45)79.3 (17:14)77.4 (17:45)83.7 (19:27)70.0 (06:51)