S
M
T
W
T
F
S
30
107°
88°
31
104°
88°
1
105°
85°
2
105°
82°
3
104°
81°
4
105°
82°
5
99°
85°
6
105°
85°
7
107°
79°
8
109°
86°
9
106°
87°
10
110°
87°
11
105°
88°
12
104°
86°
13
106°
85°
14
105°
85°
15
100°
85°
16
102°
83°
17
101°
80°
18
101°
76°
19
102°
72°
20
101°
75°
21
102°
73°
22
100°
73°
23
101°
77°
24
98°
79°
25
102°
78°
26
104°
79°
27
101°
79°
28
104°
75°
29
102°
76°
30
100°
75°
1
101°
74°
2
96°
73°
3
96°
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 96° to 104°, with overnight lows between 73° and 79°. The average high for September is 101° 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 Yuma. See also: October | November | December.
