S
M
T
W
T
F
S
30
83°
69°
31
78°
65°
1
78°
62°
2
79°
63°
3
79°
66°
4
78°
66°
5
81°
69°
6
80°
70°
7
84°
69°
8
79°
65°
9
78°
66°
10
78°
67°
11
79°
68°
12
80°
66°
13
78°
67°
14
79°
63°
15
82°
67°
16
81°
66°
17
82°
66°
18
79°
62°
19
75°
61°
20
77°
62°
21
79°
63°
22
80°
64°
23
79°
64°
24
76°
61°
25
72°
58°
26
72°
58°
27
71°
57°
28
72°
58°
29
75°
59°
30
75°
61°
1
74°
59°
2
76°
61°
3
80°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bel Air
Bel Air's September 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 57° and 70°. The average high for September is 78° 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 Bel Air. See also: October | November | December.
