S
M
T
W
T
F
S
30
90°
68°
31
95°
69°
1
96°
74°
2
97°
76°
3
97°
74°
4
98°
75°
5
97°
67°
6
85°
59°
7
84°
55°
8
90°
56°
9
88°
66°
10
77°
66°
11
83°
62°
12
90°
64°
13
83°
56°
14
83°
54°
15
99°
67°
16
92°
74°
17
91°
69°
18
89°
72°
19
92°
69°
20
84°
64°
21
80°
62°
22
78°
58°
23
78°
61°
24
77°
57°
25
77°
56°
26
79°
56°
27
82°
57°
28
84°
57°
29
72°
45°
30
79°
57°
1
76°
57°
2
75°
56°
3
67°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mount Zion
Mount Zion's September 2026 forecast shows daily high temperatures ranging from 67° to 92°, with overnight lows between 45° and 74°. The average high for September is 81° with an average low of 60°. 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 Mount Zion. See also: October | November | December.