S
M
T
W
T
F
S
30
93°
72°
31
96°
73°
1
97°
73°
2
99°
74°
3
100°
76°
4
102°
76°
5
102°
76°
6
97°
74°
7
97°
76°
8
93°
76°
9
95°
72°
10
94°
73°
11
89°
72°
12
86°
71°
13
88°
70°
14
91°
71°
15
91°
70°
16
90°
71°
17
91°
70°
18
90°
66°
19
87°
64°
20
83°
63°
21
86°
62°
22
85°
62°
23
88°
67°
24
88°
67°
25
88°
66°
26
86°
65°
27
87°
64°
28
87°
64°
29
86°
65°
30
87°
65°
1
86°
64°
2
86°
63°
3
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rock Creek
Rock Creek's September 2026 forecast shows daily high temperatures ranging from 83° to 95°, with overnight lows between 62° and 73°. The average high for September is 88° with an average low of 67°. 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 Rock Creek. See also: October | November | December.
