S
M
T
W
T
F
S
30
87°
68°
31
88°
66°
1
92°
66°
2
93°
67°
3
95°
68°
4
92°
69°
5
93°
68°
6
91°
68°
7
86°
68°
8
89°
65°
9
89°
67°
10
87°
67°
11
83°
67°
12
84°
64°
13
85°
64°
14
87°
63°
15
82°
62°
16
82°
62°
17
83°
63°
18
82°
61°
19
79°
59°
20
80°
57°
21
85°
62°
22
82°
61°
23
83°
62°
24
83°
62°
25
82°
61°
26
83°
61°
27
83°
60°
28
82°
61°
29
83°
61°
30
82°
60°
1
82°
59°
2
78°
52°
3
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Spring City
Spring City's September 2026 forecast shows daily high temperatures ranging from 70° to 89°, with overnight lows between 48° and 68°. The average high for September is 83° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Spring City. See also: October | November | December.