S
M
T
W
T
F
S
30
87°
75°
31
89°
76°
1
88°
77°
2
87°
76°
3
87°
76°
4
88°
75°
5
88°
75°
6
87°
76°
7
87°
77°
8
88°
77°
9
87°
76°
10
86°
76°
11
85°
75°
12
85°
76°
13
87°
75°
14
87°
74°
15
88°
76°
16
88°
76°
17
89°
75°
18
88°
76°
19
88°
75°
20
87°
74°
21
88°
75°
22
87°
74°
23
87°
74°
24
86°
73°
25
84°
74°
26
84°
72°
27
85°
73°
28
84°
72°
29
83°
73°
30
83°
74°
1
86°
71°
2
85°
69°
3
83°
68°
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 83° to 89°, with overnight lows between 68° and 77°. The average high for September is 86° with an average low of 74°. 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.
