S
M
T
W
T
F
S
30
83°
60°
31
87°
67°
1
90°
70°
2
93°
71°
3
90°
67°
4
82°
66°
5
79°
57°
6
78°
59°
7
77°
56°
8
74°
55°
9
75°
56°
10
80°
57°
11
77°
54°
12
75°
53°
13
72°
55°
14
74°
53°
15
78°
58°
16
76°
57°
17
76°
54°
18
71°
50°
19
75°
55°
20
79°
57°
21
79°
57°
22
78°
56°
23
79°
56°
24
78°
55°
25
77°
54°
26
76°
53°
27
77°
54°
28
77°
54°
29
76°
53°
30
74°
51°
1
73°
51°
2
74°
52°
3
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Magnolia
Magnolia's September 2026 forecast shows daily high temperatures ranging from 71° to 93°, with overnight lows between 50° and 71°. The average high for September is 78° with an average low of 56°. 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 Magnolia. See also: October | November | December.
