S
M
T
W
T
F
S
30
92°
67°
31
89°
63°
1
88°
57°
2
87°
55°
3
85°
54°
4
85°
58°
5
94°
55°
6
76°
67°
7
97°
70°
8
101°
73°
9
102°
72°
10
100°
68°
11
97°
65°
12
94°
64°
13
93°
62°
14
91°
64°
15
94°
64°
16
95°
65°
17
96°
65°
18
96°
63°
19
92°
59°
20
90°
62°
21
86°
61°
22
86°
58°
23
87°
58°
24
85°
59°
25
86°
59°
26
86°
58°
27
84°
57°
28
88°
60°
29
89°
61°
30
87°
60°
1
85°
58°
2
90°
61°
3
90°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wildomar
Wildomar's September 2026 forecast shows daily high temperatures ranging from 76° to 102°, with overnight lows between 57° and 73°. The average high for September is 91° with an average low of 63°. 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 Wildomar. See also: October | November | December.
