S
M
T
W
T
F
S
30
73°
47°
31
74°
48°
1
73°
45°
2
72°
45°
3
71°
46°
4
71°
41°
5
70°
42°
6
70°
42°
7
71°
43°
8
71°
41°
9
69°
39°
10
68°
45°
11
70°
42°
12
74°
40°
13
73°
38°
14
66°
37°
15
65°
35°
16
66°
37°
17
66°
37°
18
72°
40°
19
73°
37°
20
73°
39°
21
72°
40°
22
73°
44°
23
74°
45°
24
73°
43°
25
71°
42°
26
68°
34°
27
62°
41°
28
66°
42°
29
65°
41°
30
61°
40°
1
60°
39°
2
61°
39°
3
59°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Summit Park
Summit Park's September 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 34° and 48°. The average high for September is 69° with an average low of 41°. 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.
