S
M
T
W
T
F
S
30
84°
77°
31
86°
77°
1
85°
78°
2
87°
76°
3
88°
76°
4
88°
74°
5
89°
74°
6
89°
73°
7
87°
76°
8
85°
76°
9
89°
77°
10
87°
76°
11
88°
76°
12
89°
75°
13
89°
76°
14
88°
75°
15
87°
76°
16
87°
77°
17
85°
76°
18
84°
77°
19
85°
77°
20
84°
76°
21
84°
76°
22
85°
76°
23
84°
76°
24
86°
75°
25
84°
76°
26
85°
76°
27
85°
75°
28
86°
75°
29
83°
74°
30
83°
73°
1
82°
74°
2
82°
73°
3
83°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Smyrna Beach
New Smyrna Beach's September 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 72° and 77°. The average high for September is 86° with an average low of 75°. 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 New Smyrna Beach. See also: October | November | December.
