S
M
T
W
T
F
S
30
99°
67°
31
99°
70°
1
99°
71°
2
98°
71°
3
N/A
4
97°
73°
5
99°
72°
6
100°
72°
7
100°
72°
8
98°
73°
9
94°
70°
10
96°
69°
11
98°
70°
12
93°
68°
13
92°
67°
14
89°
66°
15
90°
67°
16
87°
62°
17
89°
66°
18
87°
65°
19
88°
66°
20
90°
66°
21
90°
65°
22
89°
66°
23
89°
65°
24
88°
65°
25
88°
64°
26
84°
63°
27
81°
58°
28
78°
55°
29
78°
52°
30
79°
53°
1
83°
56°
2
85°
57°
3
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Magnolia
Magnolia's September 2026 forecast shows daily high temperatures ranging from 76° to 100°, with overnight lows between 52° and 73°. The average high for September is 89° with an average low of 65°. 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.
