S
M
T
W
T
F
S
30
65°
50°
31
65°
53°
1
64°
54°
2
64°
51°
3
65°
50°
4
66°
52°
5
64°
49°
6
63°
48°
7
64°
49°
8
70°
50°
9
72°
53°
10
72°
56°
11
71°
55°
12
73°
56°
13
74°
56°
14
71°
47°
15
68°
50°
16
67°
54°
17
72°
55°
18
73°
51°
19
72°
53°
20
71°
54°
21
69°
54°
22
70°
53°
23
71°
53°
24
70°
52°
25
70°
55°
26
69°
55°
27
71°
53°
28
64°
50°
29
61°
52°
30
63°
51°
1
61°
51°
2
59°
46°
3
59°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carnahan
Carnahan's September 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 46° and 56°. The average high for September is 68° 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 Carnahan. See also: October | November | December.
