S
M
T
W
T
F
S
30
93°
58°
31
94°
58°
1
93°
57°
2
92°
57°
3
92°
58°
4
91°
57°
5
91°
58°
6
92°
58°
7
92°
59°
8
91°
57°
9
89°
59°
10
90°
59°
11
92°
58°
12
94°
58°
13
95°
61°
14
94°
61°
15
94°
60°
16
92°
59°
17
94°
59°
18
95°
58°
19
94°
59°
20
93°
61°
21
93°
61°
22
94°
60°
23
94°
60°
24
92°
56°
25
84°
52°
26
82°
53°
27
84°
55°
28
83°
56°
29
88°
54°
30
83°
53°
1
81°
52°
2
81°
54°
3
81°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Adelanto
Adelanto's September 2026 forecast shows daily high temperatures ranging from 81° to 95°, with overnight lows between 52° and 61°. The average high for September is 90° with an average low of 57°. 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 Adelanto. See also: October | November | December.
