S
M
T
W
T
F
S
30
91°
66°
31
94°
71°
1
97°
73°
2
99°
79°
3
100°
75°
4
99°
74°
5
100°
73°
6
90°
72°
7
89°
60°
8
91°
59°
9
90°
75°
10
81°
72°
11
81°
71°
12
91°
70°
13
91°
69°
14
88°
62°
15
97°
70°
16
96°
73°
17
98°
74°
18
97°
72°
19
99°
72°
20
93°
69°
21
84°
68°
22
67°
55°
23
72°
57°
24
73°
60°
25
78°
54°
26
75°
59°
27
73°
51°
28
82°
45°
29
84°
47°
30
90°
63°
1
91°
67°
2
72°
58°
3
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Marion
Marion's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
