S
M
T
W
T
F
S
30
85°
68°
31
86°
68°
1
85°
67°
2
85°
68°
3
89°
69°
4
89°
70°
5
88°
69°
6
84°
69°
7
88°
65°
8
86°
64°
9
84°
63°
10
83°
63°
11
84°
64°
12
85°
62°
13
86°
64°
14
87°
65°
15
86°
67°
16
87°
66°
17
86°
60°
18
83°
60°
19
80°
61°
20
79°
65°
21
84°
63°
22
85°
60°
23
82°
64°
24
83°
64°
25
84°
63°
26
82°
63°
27
84°
62°
28
83°
62°
29
81°
61°
30
79°
61°
1
81°
62°
2
83°
57°
3
82°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Zion
Zion's September 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 54° and 70°. The average high for September is 84° with an average low of 64°. 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 Zion. See also: October | November | December.
