S
M
T
W
T
F
S
30
91°
71°
31
93°
70°
1
92°
70°
2
91°
69°
3
87°
69°
4
88°
66°
5
86°
66°
6
86°
68°
7
87°
67°
8
89°
68°
9
89°
68°
10
86°
67°
11
85°
62°
12
88°
67°
13
91°
66°
14
87°
60°
15
85°
60°
16
84°
61°
17
83°
60°
18
84°
61°
19
89°
61°
20
89°
65°
21
88°
65°
22
87°
64°
23
88°
65°
24
85°
61°
25
86°
60°
26
87°
60°
27
87°
61°
28
86°
62°
29
87°
63°
30
87°
62°
1
86°
61°
2
86°
62°
3
85°
55°
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 93°, with overnight lows between 55° and 71°. The average high for September is 87° with an average low of 64°. 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.
