S
M
T
W
T
F
S
30
94°
57°
31
92°
56°
1
88°
53°
2
89°
48°
3
90°
53°
4
92°
57°
5
91°
54°
6
91°
53°
7
90°
52°
8
89°
50°
9
88°
48°
10
82°
46°
11
80°
39°
12
79°
43°
13
82°
45°
14
87°
48°
15
85°
47°
16
77°
42°
17
76°
41°
18
77°
43°
19
78°
44°
20
79°
45°
21
76°
41°
22
77°
43°
23
81°
44°
24
83°
44°
25
84°
42°
26
83°
43°
27
82°
41°
28
81°
41°
29
83°
44°
30
83°
41°
1
81°
42°
2
82°
41°
3
81°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cathedral Gorge State Park
Cathedral Gorge State Park's September 2026 forecast shows daily high temperatures ranging from 76° to 94°, with overnight lows between 39° and 57°. The average high for September is 84° with an average low of 46°. 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 Cathedral Gorge State Park. See also: October | November | December.
