S
M
T
W
T
F
S
30
66°
55°
31
64°
52°
1
61°
55°
2
61°
55°
3
63°
57°
4
63°
55°
5
63°
52°
6
66°
55°
7
61°
52°
8
59°
52°
9
63°
50°
10
61°
54°
11
63°
52°
12
66°
48°
13
62°
53°
14
66°
53°
15
61°
47°
16
58°
50°
17
55°
49°
18
58°
52°
19
58°
49°
20
57°
52°
21
59°
51°
22
59°
50°
23
58°
50°
24
59°
48°
25
57°
47°
26
58°
49°
27
55°
48°
28
58°
48°
29
59°
47°
30
57°
47°
1
58°
49°
2
58°
49°
3
57°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carmunnock
Carmunnock's September 2026 forecast shows daily high temperatures ranging from 55° to 66°, with overnight lows between 47° and 53°. The average high for September is 58° 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 Carmunnock. See also: October | November | December.
