S
M
T
W
T
F
S
30
76°
59°
31
80°
63°
1
85°
69°
2
85°
64°
3
81°
65°
4
77°
66°
5
76°
58°
6
74°
53°
7
74°
50°
8
76°
51°
9
82°
62°
10
79°
64°
11
75°
56°
12
76°
54°
13
81°
53°
14
68°
47°
15
77°
60°
16
79°
64°
17
81°
63°
18
75°
53°
19
72°
57°
20
66°
50°
21
67°
49°
22
67°
49°
23
67°
47°
24
68°
49°
25
71°
48°
26
72°
44°
27
72°
49°
28
73°
48°
29
72°
47°
30
71°
47°
1
70°
49°
2
71°
47°
3
70°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clear Creek State Park
Clear Creek State Park's September 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 43° and 64°. The average high for September is 72° with an average low of 51°. 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 Clear Creek State Park. See also: October | November | December.
