S
M
T
W
T
F
S
30
81°
64°
31
79°
66°
1
81°
66°
2
82°
65°
3
82°
65°
4
81°
61°
5
78°
60°
6
75°
61°
7
74°
59°
8
73°
60°
9
73°
60°
10
75°
62°
11
76°
63°
12
77°
64°
13
79°
64°
14
79°
62°
15
77°
61°
16
76°
64°
17
77°
65°
18
79°
65°
19
80°
64°
20
81°
65°
21
81°
65°
22
79°
64°
23
76°
61°
24
75°
58°
25
74°
57°
26
72°
60°
27
72°
62°
28
76°
61°
29
77°
60°
30
76°
57°
1
Hist. Avg.
74°
62°
2
Hist. Avg.
74°
62°
3
Hist. Avg.
73°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carmel Valley
Carmel Valley's September 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 57° and 66°. The average high for September is 77° with an average low of 62°. 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 Carmel Valley. See also: October | November | December.
