S
M
T
W
T
F
S
30
98°
66°
31
99°
66°
1
99°
65°
2
98°
66°
3
98°
68°
4
97°
66°
5
97°
63°
6
98°
57°
7
91°
56°
8
90°
58°
9
90°
59°
10
94°
62°
11
96°
61°
12
97°
62°
13
95°
64°
14
97°
64°
15
96°
58°
16
95°
59°
17
94°
61°
18
95°
63°
19
94°
61°
20
94°
57°
21
92°
61°
22
87°
60°
23
84°
57°
24
86°
61°
25
86°
59°
26
89°
56°
27
86°
57°
28
86°
60°
29
85°
54°
30
83°
59°
1
84°
62°
2
90°
60°
3
84°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Arrowhead Springs
Arrowhead Springs's September 2026 forecast shows daily high temperatures ranging from 83° to 99°, with overnight lows between 54° and 68°. 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 Arrowhead Springs. See also: October | November | December.
