S
M
T
W
T
F
S
30
97°
75°
31
99°
75°
1
100°
75°
2
102°
75°
3
101°
76°
4
100°
76°
5
87°
76°
6
97°
74°
7
96°
73°
8
93°
74°
9
94°
72°
10
94°
75°
11
83°
76°
12
92°
77°
13
92°
74°
14
97°
73°
15
97°
74°
16
93°
75°
17
91°
70°
18
96°
70°
19
98°
71°
20
95°
72°
21
95°
72°
22
95°
72°
23
92°
72°
24
79°
67°
25
82°
64°
26
89°
61°
27
91°
60°
28
88°
58°
29
90°
56°
30
94°
60°
1
93°
68°
2
94°
71°
3
90°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Riddle
Riddle's September 2026 forecast shows daily high temperatures ranging from 90° to 90°, with overnight lows between 73° and 73°. The average high for September is 90° 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 Riddle. See also: October | November | December.
