S
M
T
W
T
F
S
30
87°
67°
31
88°
66°
1
87°
65°
2
88°
65°
3
87°
64°
4
87°
66°
5
86°
65°
6
87°
65°
7
88°
64°
8
88°
65°
9
87°
66°
10
88°
65°
11
87°
65°
12
86°
64°
13
87°
65°
14
85°
60°
15
79°
59°
16
80°
61°
17
81°
58°
18
84°
53°
19
75°
51°
20
75°
53°
21
80°
53°
22
82°
54°
23
83°
58°
24
80°
55°
25
76°
58°
26
81°
57°
27
76°
57°
28
80°
56°
29
75°
49°
30
72°
48°
1
76°
52°
2
80°
52°
3
80°
53°
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 72° to 88°, with overnight lows between 48° and 67°. The average high for September is 83° with an average low of 59°. 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.
