S
M
T
W
T
F
S
30
88°
64°
31
87°
60°
1
82°
59°
2
82°
59°
3
83°
62°
4
87°
64°
5
87°
65°
6
86°
64°
7
86°
61°
8
84°
58°
9
80°
57°
10
80°
57°
11
81°
56°
12
79°
56°
13
78°
57°
14
78°
56°
15
79°
55°
16
78°
59°
17
79°
58°
18
80°
61°
19
81°
56°
20
Hist. Avg.
81°
57°
21
Hist. Avg.
81°
57°
22
Hist. Avg.
80°
56°
23
Hist. Avg.
80°
56°
24
Hist. Avg.
80°
56°
25
Hist. Avg.
79°
55°
26
Hist. Avg.
79°
55°
27
Hist. Avg.
79°
55°
28
Hist. Avg.
78°
54°
29
Hist. Avg.
78°
54°
30
Hist. Avg.
78°
53°
1
Hist. Avg.
77°
53°
2
Hist. Avg.
77°
53°
3
Hist. Avg.
76°
52°
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 88°, with overnight lows between 55° and 65°. The average high for September is 82° 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 Marion. See also: October | November | December.
