S
M
T
W
T
F
S
30
90°
54°
31
77°
55°
1
78°
56°
2
80°
55°
3
76°
55°
4
78°
54°
5
84°
49°
6
84°
52°
7
90°
52°
8
97°
53°
9
102°
64°
10
105°
68°
11
92°
57°
12
88°
55°
13
82°
53°
14
89°
56°
15
88°
57°
16
89°
59°
17
91°
58°
18
91°
59°
19
91°
58°
20
90°
61°
21
87°
62°
22
93°
61°
23
93°
62°
24
91°
63°
25
87°
55°
26
85°
61°
27
81°
57°
28
80°
54°
29
83°
55°
30
83°
56°
1
87°
59°
2
84°
56°
3
85°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carmichael
Carmichael's September 2026 forecast shows daily high temperatures ranging from 80° to 93°, with overnight lows between 53° and 63°. The average high for September is 87° with an average low of 58°. 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 Carmichael. See also: October | November | December.