S
M
T
W
T
F
S
30
89°
72°
31
89°
72°
1
90°
71°
2
87°
72°
3
90°
72°
4
90°
75°
5
91°
74°
6
90°
74°
7
88°
73°
8
89°
74°
9
88°
73°
10
88°
73°
11
87°
72°
12
85°
73°
13
88°
73°
14
86°
72°
15
86°
72°
16
85°
71°
17
87°
72°
18
88°
71°
19
86°
71°
20
87°
70°
21
87°
70°
22
86°
71°
23
87°
71°
24
87°
70°
25
86°
69°
26
87°
68°
27
85°
69°
28
85°
69°
29
84°
68°
30
84°
68°
1
85°
66°
2
85°
67°
3
84°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Myrtle Grove
Myrtle Grove's September 2026 forecast shows daily high temperatures ranging from 84° to 91°, with overnight lows between 66° and 75°. The average high for September is 87° with an average low of 71°. 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 Myrtle Grove. See also: October | November | December.
