S
M
T
W
T
F
S
30
100°
75°
31
100°
75°
1
100°
75°
2
99°
76°
3
91°
76°
4
98°
75°
5
99°
75°
6
99°
75°
7
100°
75°
8
100°
77°
9
99°
80°
10
98°
76°
11
99°
74°
12
101°
74°
13
99°
78°
14
100°
76°
15
99°
78°
16
99°
78°
17
98°
77°
18
97°
73°
19
96°
69°
20
97°
75°
21
95°
72°
22
95°
72°
23
93°
69°
24
93°
67°
25
90°
69°
26
94°
70°
27
95°
70°
28
87°
65°
29
88°
65°
30
85°
61°
1
86°
63°
2
82°
59°
3
80°
65°
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 80° to 95°, with overnight lows between 59° and 72°. The average high for September is 89° with an average low of 67°. 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.
