S
M
T
W
T
F
S
30
90°
64°
31
86°
61°
1
84°
60°
2
88°
54°
3
90°
46°
4
90°
55°
5
90°
52°
6
68°
54°
7
82°
55°
8
88°
54°
9
95°
54°
10
95°
55°
11
95°
63°
12
88°
63°
13
81°
61°
14
82°
60°
15
81°
58°
16
82°
56°
17
86°
61°
18
89°
64°
19
88°
63°
20
87°
62°
21
84°
62°
22
83°
62°
23
81°
60°
24
82°
62°
25
81°
53°
26
75°
53°
27
82°
58°
28
75°
52°
29
74°
49°
30
76°
55°
1
79°
56°
2
81°
56°
3
73°
51°
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 73° to 89°, with overnight lows between 49° and 64°. The average high for September is 81° with an average low of 58°. 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.
