S
M
T
W
T
F
S
30
85°
59°
31
86°
62°
1
86°
59°
2
84°
57°
3
84°
57°
4
85°
55°
5
83°
55°
6
84°
56°
7
85°
55°
8
84°
55°
9
83°
53°
10
81°
55°
11
83°
58°
12
87°
57°
13
88°
54°
14
88°
52°
15
79°
51°
16
79°
52°
17
81°
52°
18
86°
53°
19
87°
54°
20
88°
57°
21
87°
59°
22
88°
59°
23
88°
60°
24
86°
57°
25
78°
58°
26
77°
52°
27
75°
56°
28
79°
58°
29
83°
55°
30
78°
54°
1
74°
55°
2
73°
49°
3
72°
49°
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 72° to 88°, with overnight lows between 49° and 62°. The average high for September is 83° with an average low of 55°. 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.
