S
M
T
W
T
F
S
30
83°
60°
31
87°
67°
1
83°
70°
2
91°
69°
3
90°
69°
4
85°
68°
5
79°
55°
6
79°
56°
7
81°
59°
8
82°
64°
9
85°
67°
10
78°
56°
11
77°
54°
12
79°
59°
13
77°
58°
14
78°
59°
15
78°
57°
16
76°
52°
17
76°
54°
18
73°
54°
19
78°
56°
20
78°
57°
21
77°
56°
22
76°
55°
23
75°
52°
24
71°
53°
25
76°
54°
26
74°
53°
27
73°
48°
28
65°
47°
29
64°
46°
30
65°
44°
1
63°
42°
2
67°
51°
3
68°
50°
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 63° to 90°, with overnight lows between 42° and 69°. The average high for September is 76° with an average low of 55°. 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.
