S
M
T
W
T
F
S
30
100°
71°
31
100°
74°
1
99°
74°
2
101°
75°
3
99°
75°
4
98°
73°
5
99°
73°
6
102°
73°
7
100°
73°
8
101°
74°
9
100°
76°
10
99°
71°
11
96°
72°
12
89°
68°
13
87°
68°
14
85°
65°
15
82°
63°
16
81°
57°
17
86°
63°
18
76°
58°
19
79°
61°
20
82°
62°
21
83°
61°
22
83°
60°
23
84°
60°
24
83°
59°
25
83°
59°
26
79°
53°
27
72°
48°
28
72°
47°
29
71°
48°
30
77°
53°
1
80°
56°
2
79°
50°
3
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pea Ridge
Pea Ridge's September 2026 forecast shows daily high temperatures ranging from 68° to 102°, with overnight lows between 47° and 76°. The average high for September is 85° with an average low of 62°. 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 Pea Ridge. See also: October | November | December.