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
96°
73°
10
98°
72°
11
90°
74°
12
90°
70°
13
95°
69°
14
97°
71°
15
97°
73°
16
94°
69°
17
95°
67°
18
93°
69°
19
94°
68°
20
92°
66°
21
84°
66°
22
85°
62°
23
84°
63°
24
85°
61°
25
84°
61°
26
86°
65°
27
87°
64°
28
87°
66°
29
87°
65°
30
86°
65°
1
86°
64°
2
85°
64°
3
87°
63°
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 84° to 97°, with overnight lows between 61° and 73°. The average high for September is 89° with an average low of 66°. 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.
