S
M
T
W
T
F
S
30
69°
53°
31
75°
53°
1
71°
51°
2
71°
59°
3
74°
50°
4
75°
57°
5
76°
58°
6
72°
55°
7
67°
48°
8
72°
46°
9
74°
51°
10
76°
48°
11
76°
56°
12
79°
58°
13
77°
64°
14
64°
46°
15
72°
44°
16
69°
54°
17
71°
60°
18
68°
49°
19
58°
46°
20
62°
43°
21
69°
42°
22
N/A
23
66°
47°
24
70°
46°
25
75°
51°
26
75°
52°
27
71°
54°
28
63°
46°
29
67°
43°
30
67°
41°
1
67°
43°
2
66°
39°
3
60°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Summit Park
Summit Park's September 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 36° and 54°. The average high for September is 68° with an average low of 45°. 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 Summit Park. See also: October | November | December.
