S
M
T
W
T
F
S
30
108°
76°
31
107°
77°
1
108°
79°
2
109°
81°
3
109°
77°
4
108°
75°
5
105°
75°
6
102°
74°
7
101°
73°
8
102°
72°
9
100°
73°
10
101°
74°
11
101°
74°
12
102°
75°
13
105°
75°
14
105°
74°
15
103°
73°
16
101°
73°
17
99°
74°
18
99°
72°
19
98°
71°
20
99°
70°
21
102°
76°
22
101°
73°
23
96°
71°
24
94°
72°
25
95°
67°
26
94°
68°
27
94°
67°
28
95°
69°
29
94°
69°
30
93°
65°
1
Hist. Avg.
96°
67°
2
Hist. Avg.
96°
67°
3
Hist. Avg.
95°
66°
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 93° to 109°, with overnight lows between 65° and 81°. The average high for September is 101° with an average low of 73°. 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.
