S
M
T
W
T
F
S
30
102°
85°
31
105°
86°
1
107°
85°
2
106°
85°
3
106°
84°
4
107°
84°
5
108°
85°
6
108°
85°
7
107°
84°
8
106°
85°
9
107°
85°
10
106°
84°
11
106°
84°
12
105°
83°
13
102°
83°
14
101°
82°
15
101°
83°
16
105°
83°
17
105°
82°
18
104°
82°
19
104°
81°
20
100°
81°
21
98°
80°
22
98°
78°
23
94°
74°
24
94°
75°
25
97°
78°
26
97°
74°
27
95°
70°
28
94°
69°
29
93°
70°
30
94°
72°
1
95°
72°
2
95°
72°
3
94°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Yuma
Yuma's September 2026 forecast shows daily high temperatures ranging from 93° to 108°, with overnight lows between 69° and 86°. The average high for September is 101° with an average low of 80°. 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 Yuma. See also: October | November | December.
