S
M
T
W
T
F
S
30
81°
66°
31
82°
67°
1
83°
64°
2
79°
60°
3
78°
61°
4
78°
63°
5
79°
63°
6
80°
64°
7
80°
63°
8
79°
62°
9
79°
59°
10
78°
61°
11
79°
63°
12
81°
65°
13
82°
63°
14
83°
62°
15
80°
67°
16
80°
66°
17
78°
67°
18
78°
67°
19
79°
66°
20
78°
65°
21
78°
66°
22
81°
66°
23
80°
65°
24
80°
66°
25
83°
66°
26
84°
65°
27
83°
62°
28
81°
62°
29
79°
61°
30
78°
65°
1
80°
66°
2
83°
64°
3
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clairemont
Clairemont's September 2026 forecast shows daily high temperatures ranging from 78° to 84°, with overnight lows between 59° and 67°. The average high for September is 80° with an average low of 64°. 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 Clairemont. See also: October | November | December.
