S
M
T
W
T
F
S
30
90°
59°
31
91°
60°
1
91°
60°
2
92°
59°
3
90°
59°
4
89°
60°
5
90°
59°
6
91°
59°
7
93°
61°
8
93°
59°
9
92°
59°
10
93°
60°
11
91°
58°
12
92°
59°
13
91°
59°
14
92°
63°
15
94°
62°
16
96°
63°
17
93°
65°
18
97°
66°
19
97°
66°
20
98°
65°
21
98°
65°
22
90°
63°
23
87°
63°
24
92°
58°
25
91°
59°
26
90°
61°
27
91°
63°
28
92°
63°
29
92°
62°
30
93°
63°
1
92°
64°
2
91°
63°
3
91°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Colton
Colton's September 2026 forecast shows daily high temperatures ranging from 87° to 98°, with overnight lows between 58° and 66°. The average high for September is 92° with an average low of 61°. 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 Colton. See also: October | November | December.
