S
M
T
W
T
F
S
30
76°
54°
31
79°
56°
1
78°
49°
2
74°
48°
3
71°
48°
4
69°
49°
5
69°
47°
6
71°
54°
7
76°
57°
8
79°
55°
9
76°
48°
10
71°
47°
11
71°
53°
12
72°
47°
13
72°
46°
14
68°
44°
15
68°
46°
16
69°
52°
17
73°
45°
18
70°
46°
19
67°
45°
20
70°
42°
21
66°
48°
22
65°
52°
23
75°
52°
24
75°
50°
25
73°
51°
26
70°
51°
27
74°
50°
28
73°
48°
29
71°
50°
30
71°
51°
1
73°
41°
2
73°
38°
3
62°
39°
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 62° to 79°, with overnight lows between 38° and 57°. The average high for September is 72° with an average low of 49°. 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.
