S
M
T
W
T
F
S
30
93°
69°
31
95°
71°
1
98°
71°
2
99°
71°
3
101°
73°
4
101°
74°
5
101°
73°
6
96°
71°
7
90°
69°
8
92°
71°
9
94°
73°
10
93°
75°
11
96°
70°
12
93°
70°
13
96°
66°
14
94°
71°
15
99°
69°
16
98°
75°
17
99°
72°
18
99°
72°
19
99°
71°
20
97°
72°
21
99°
74°
22
81°
69°
23
73°
65°
24
80°
59°
25
80°
50°
26
77°
59°
27
78°
55°
28
82°
52°
29
85°
66°
30
82°
67°
1
78°
62°
2
80°
57°
3
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Smyrna
Smyrna's September 2026 forecast shows daily high temperatures ranging from 76° to 85°, with overnight lows between 50° and 67°. The average high for September is 80° with an average low of 59°. 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 Smyrna. See also: October | November | December.