S
M
T
W
T
F
S
30
91°
72°
31
91°
71°
1
90°
70°
2
89°
71°
3
90°
71°
4
90°
70°
5
89°
70°
6
89°
69°
7
88°
69°
8
88°
68°
9
89°
69°
10
89°
70°
11
88°
70°
12
89°
69°
13
88°
69°
14
88°
67°
15
87°
66°
16
86°
65°
17
87°
66°
18
88°
59°
19
82°
55°
20
76°
55°
21
79°
57°
22
83°
59°
23
83°
63°
24
84°
62°
25
83°
63°
26
82°
61°
27
82°
60°
28
81°
54°
29
73°
55°
30
75°
60°
1
80°
60°
2
81°
59°
3
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dierks
Dierks's September 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 54° and 72°. The average high for September is 85° with an average low of 64°. 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 Dierks. See also: October | November | December.