S
M
T
W
T
F
S
30
81°
59°
31
84°
59°
1
85°
59°
2
87°
58°
3
89°
60°
4
88°
60°
5
86°
61°
6
85°
60°
7
88°
60°
8
87°
59°
9
84°
56°
10
79°
55°
11
83°
53°
12
79°
51°
13
78°
51°
14
77°
52°
15
79°
45°
16
84°
51°
17
84°
50°
18
80°
50°
19
79°
47°
20
69°
45°
21
71°
42°
22
78°
46°
23
81°
48°
24
80°
47°
25
71°
39°
26
65°
35°
27
69°
38°
28
69°
40°
29
78°
39°
30
74°
40°
1
77°
41°
2
67°
37°
3
70°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Parker
Parker's September 2026 forecast shows daily high temperatures ranging from 65° to 89°, with overnight lows between 35° and 61°. The average high for September is 79° with an average low of 49°. 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 Parker. See also: October | November | December.
