S
M
T
W
T
F
S
30
80°
63°
31
81°
64°
1
80°
63°
2
82°
62°
3
81°
57°
4
80°
54°
5
79°
61°
6
78°
60°
7
79°
61°
8
Hist. Avg.
78°
59°
9
Hist. Avg.
78°
59°
10
Hist. Avg.
78°
59°
11
Hist. Avg.
77°
58°
12
Hist. Avg.
77°
58°
13
Hist. Avg.
77°
58°
14
Hist. Avg.
76°
58°
15
Hist. Avg.
76°
57°
16
Hist. Avg.
76°
57°
17
Hist. Avg.
75°
56°
18
Hist. Avg.
75°
56°
19
Hist. Avg.
75°
56°
20
Hist. Avg.
74°
56°
21
Hist. Avg.
74°
55°
22
Hist. Avg.
74°
55°
23
Hist. Avg.
73°
54°
24
Hist. Avg.
73°
54°
25
Hist. Avg.
73°
54°
26
Hist. Avg.
72°
53°
27
Hist. Avg.
72°
53°
28
Hist. Avg.
72°
52°
29
Hist. Avg.
71°
52°
30
Hist. Avg.
71°
52°
1
Hist. Avg.
70°
51°
2
Hist. Avg.
70°
51°
3
Hist. Avg.
70°
51°
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 78° to 82°, with overnight lows between 54° and 64°. The average high for September is 80° 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.
