S
M
T
W
T
F
S
30
76°
54°
31
76°
53°
1
75°
55°
2
77°
56°
3
76°
54°
4
78°
53°
5
76°
52°
6
77°
53°
7
75°
50°
8
76°
51°
9
74°
58°
10
74°
51°
11
73°
50°
12
74°
50°
13
74°
56°
14
78°
52°
15
79°
56°
16
79°
56°
17
80°
55°
18
80°
55°
19
79°
51°
20
78°
47°
21
70°
52°
22
70°
53°
23
74°
53°
24
76°
54°
25
77°
48°
26
75°
43°
27
71°
44°
28
66°
45°
29
65°
45°
30
65°
43°
1
Hist. Avg.
71°
48°
2
Hist. Avg.
70°
48°
3
Hist. Avg.
70°
47°
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 65° to 80°, with overnight lows between 43° and 58°. The average high for September is 75° with an average low of 52°. 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.
