S
M
T
W
T
F
S
31
84°
65°
1
87°
64°
2
81°
64°
3
93°
60°
4
90°
63°
5
74°
56°
6
75°
55°
7
82°
60°
8
85°
60°
9
90°
62°
10
94°
66°
11
97°
66°
12
96°
67°
13
91°
67°
14
79°
69°
15
91°
67°
16
93°
66°
17
93°
67°
18
84°
65°
19
87°
62°
20
86°
65°
21
80°
64°
22
87°
64°
23
80°
65°
24
76°
63°
25
83°
59°
26
86°
58°
27
90°
61°
28
87°
63°
29
82°
61°
30
84°
64°
1
90°
63°
2
91°
64°
3
89°
66°
4
87°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sentinel
Sentinel's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Sentinel. See also: October | November | December.
