S
M
T
W
T
F
S
30
106°
90°
31
106°
85°
1
105°
83°
2
104°
78°
3
97°
74°
4
102°
74°
5
98°
79°
6
93°
77°
7
102°
80°
8
104°
82°
9
102°
81°
10
99°
82°
11
100°
81°
12
100°
80°
13
99°
80°
14
98°
77°
15
100°
78°
16
99°
74°
17
102°
78°
18
97°
71°
19
96°
73°
20
96°
74°
21
97°
74°
22
100°
76°
23
98°
77°
24
94°
73°
25
97°
75°
26
98°
75°
27
97°
74°
28
96°
75°
29
97°
74°
30
96°
74°
1
97°
73°
2
97°
73°
3
96°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chuckwalla Valley
Chuckwalla Valley's September 2026 forecast shows daily high temperatures ranging from 93° to 104°, with overnight lows between 71° and 82°. The average high for September is 98° with an average low of 76°. 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 Chuckwalla Valley. See also: October | November | December.
