S
M
T
W
T
F
S
30
70°
47°
31
71°
48°
1
71°
46°
2
70°
44°
3
69°
46°
4
69°
42°
5
68°
42°
6
69°
43°
7
69°
42°
8
70°
42°
9
68°
40°
10
66°
43°
11
68°
44°
12
73°
44°
13
73°
39°
14
66°
38°
15
64°
37°
16
64°
38°
17
66°
38°
18
70°
39°
19
72°
40°
20
72°
41°
21
72°
42°
22
71°
45°
23
73°
46°
24
72°
44°
25
70°
44°
26
66°
39°
27
61°
43°
28
65°
44°
29
67°
42°
30
61°
41°
1
60°
42°
2
59°
41°
3
65°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clear Creek
Clear Creek's September 2026 forecast shows daily high temperatures ranging from 59° to 73°, with overnight lows between 36° and 48°. The average high for September is 68° with an average low of 42°. 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. See also: October | November | December.
