S
M
T
W
T
F
S
30
79°
65°
31
84°
67°
1
85°
61°
2
83°
60°
3
78°
59°
4
79°
61°
5
78°
67°
6
83°
66°
7
85°
63°
8
78°
65°
9
77°
66°
10
80°
65°
11
80°
63°
12
79°
64°
13
78°
63°
14
75°
57°
15
75°
57°
16
74°
56°
17
74°
57°
18
75°
62°
19
77°
62°
20
78°
63°
21
79°
59°
22
75°
54°
23
72°
60°
24
71°
61°
25
77°
55°
26
76°
52°
27
Hist. Avg.
73°
56°
28
Hist. Avg.
73°
56°
29
Hist. Avg.
73°
56°
30
Hist. Avg.
72°
55°
1
Hist. Avg.
72°
55°
2
Hist. Avg.
71°
54°
3
Hist. Avg.
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Marion
Marion's September 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 52° and 67°. The average high for September is 78° with an average low of 61°. 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 Marion. See also: October | November | December.
