S
M
T
W
T
F
S
30
98°
65°
31
99°
71°
1
100°
72°
2
98°
72°
3
96°
74°
4
97°
71°
5
95°
75°
6
98°
71°
7
98°
73°
8
97°
73°
9
96°
74°
10
95°
73°
11
95°
73°
12
94°
70°
13
93°
69°
14
92°
68°
15
87°
64°
16
84°
68°
17
85°
67°
18
85°
67°
19
88°
68°
20
89°
67°
21
89°
68°
22
90°
68°
23
90°
67°
24
89°
67°
25
87°
66°
26
83°
65°
27
79°
60°
28
78°
56°
29
79°
55°
30
78°
55°
1
80°
57°
2
81°
56°
3
76°
54°
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 76° to 98°, with overnight lows between 54° and 75°. The average high for September is 89° with an average low of 67°. 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.
