S
M
T
W
T
F
S
30
84°
72°
31
83°
68°
1
84°
65°
2
82°
64°
3
78°
65°
4
78°
64°
5
89°
65°
6
78°
66°
7
92°
73°
8
96°
74°
9
107°
76°
10
89°
74°
11
83°
73°
12
87°
70°
13
84°
69°
14
83°
68°
15
82°
67°
16
81°
68°
17
80°
67°
18
81°
68°
19
82°
69°
20
81°
68°
21
81°
68°
22
80°
67°
23
80°
68°
24
81°
67°
25
79°
62°
26
81°
64°
27
81°
65°
28
77°
61°
29
78°
64°
30
76°
64°
1
74°
63°
2
73°
63°
3
74°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Compton
Compton's September 2026 forecast shows daily high temperatures ranging from 73° to 87°, with overnight lows between 61° and 70°. The average high for September is 80° with an average low of 66°. 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 Compton. See also: October | November | December.
