S
M
T
W
T
F
S
30
89°
67°
31
89°
68°
1
88°
67°
2
90°
67°
3
89°
66°
4
88°
67°
5
88°
66°
6
87°
66°
7
89°
65°
8
89°
66°
9
88°
66°
10
89°
65°
11
89°
66°
12
88°
65°
13
88°
66°
14
86°
63°
15
88°
63°
16
85°
61°
17
86°
62°
18
86°
55°
19
78°
53°
20
77°
54°
21
81°
53°
22
81°
55°
23
83°
57°
24
83°
59°
25
82°
55°
26
80°
55°
27
78°
57°
28
80°
57°
29
80°
54°
30
78°
54°
1
81°
55°
2
81°
55°
3
80°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rocky Springs
Rocky Springs's September 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 53° and 68°. The average high for September is 85° with an average low of 61°. 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 Rocky Springs. See also: October | November | December.