S
M
T
W
T
F
S
30
81°
60°
31
81°
60°
1
83°
63°
2
85°
65°
3
85°
64°
4
84°
64°
5
84°
63°
6
79°
63°
7
79°
61°
8
84°
63°
9
83°
61°
10
84°
60°
11
82°
63°
12
81°
62°
13
82°
62°
14
81°
61°
15
82°
62°
16
82°
63°
17
Hist. Avg.
79°
56°
18
Hist. Avg.
79°
55°
19
Hist. Avg.
78°
55°
20
Hist. Avg.
78°
54°
21
Hist. Avg.
78°
54°
22
Hist. Avg.
77°
54°
23
Hist. Avg.
77°
53°
24
Hist. Avg.
77°
53°
25
Hist. Avg.
76°
52°
26
Hist. Avg.
76°
52°
27
Hist. Avg.
76°
52°
28
Hist. Avg.
76°
51°
29
Hist. Avg.
75°
51°
30
Hist. Avg.
75°
50°
1
Hist. Avg.
75°
50°
2
Hist. Avg.
74°
49°
3
Hist. Avg.
74°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Pinnacle
Pinnacle's September 2026 forecast shows daily high temperatures ranging from 79° to 85°, with overnight lows between 60° and 65°. The average high for September is 82° with an average low of 62°. 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 Pinnacle. See also: October | November | December.
