S
M
T
W
T
F
S
30
106°
90°
31
106°
85°
1
105°
83°
2
104°
78°
3
102°
69°
4
104°
75°
5
103°
74°
6
98°
80°
7
101°
79°
8
110°
81°
9
109°
90°
10
113°
89°
11
108°
88°
12
106°
84°
13
106°
85°
14
106°
82°
15
105°
79°
16
104°
79°
17
104°
80°
18
104°
78°
19
108°
78°
20
109°
79°
21
106°
77°
22
101°
75°
23
101°
76°
24
100°
76°
25
103°
75°
26
98°
70°
27
100°
74°
28
98°
74°
29
96°
72°
30
97°
72°
1
94°
70°
2
93°
67°
3
90°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blythe
Blythe's September 2026 forecast shows daily high temperatures ranging from 90° to 109°, with overnight lows between 67° and 85°. The average high for September is 101° with an average low of 75°. 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 Blythe. See also: October | November | December.
