S
M
T
W
T
F
S
30
73°
52°
31
74°
59°
1
78°
60°
2
73°
61°
3
80°
60°
4
80°
51°
5
78°
55°
6
73°
50°
7
71°
51°
8
76°
57°
9
78°
57°
10
79°
56°
11
75°
51°
12
71°
56°
13
74°
53°
14
78°
48°
15
69°
55°
16
68°
53°
17
67°
54°
18
68°
47°
19
74°
46°
20
68°
52°
21
72°
46°
22
69°
50°
23
71°
48°
24
74°
51°
25
74°
52°
26
73°
52°
27
73°
53°
28
74°
50°
29
72°
43°
30
65°
50°
1
71°
51°
2
73°
44°
3
71°
42°
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 65° to 80°, with overnight lows between 42° and 61°. The average high for September is 73° with an average low of 52°. 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.
