S
M
T
W
T
F
S
30
84°
62°
31
87°
61°
1
87°
64°
2
89°
58°
3
82°
56°
4
83°
56°
5
83°
61°
6
85°
62°
7
90°
63°
8
89°
61°
9
85°
62°
10
87°
58°
11
86°
56°
12
85°
60°
13
86°
61°
14
87°
52°
15
83°
57°
16
85°
58°
17
80°
56°
18
79°
57°
19
77°
56°
20
77°
55°
21
79°
51°
22
79°
54°
23
82°
54°
24
80°
55°
25
85°
57°
26
84°
58°
27
85°
56°
28
83°
48°
29
76°
49°
30
78°
55°
1
82°
56°
2
84°
57°
3
84°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Zion National Park
Zion National Park's September 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 48° and 64°. The average high for September is 83° with an average low of 57°. 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 National Park. See also: October | November | December.
