S
M
T
W
T
F
S
30
90°
71°
31
93°
70°
1
96°
72°
2
96°
72°
3
97°
73°
4
97°
73°
5
96°
72°
6
98°
74°
7
94°
72°
8
92°
70°
9
94°
70°
10
92°
72°
11
86°
72°
12
85°
70°
13
88°
69°
14
89°
72°
15
91°
69°
16
90°
70°
17
89°
68°
18
88°
63°
19
85°
64°
20
83°
64°
21
82°
61°
22
87°
61°
23
86°
64°
24
86°
64°
25
85°
63°
26
84°
62°
27
85°
61°
28
85°
61°
29
84°
62°
30
85°
62°
1
84°
61°
2
84°
60°
3
83°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fayetteville
Fayetteville's September 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 60° and 72°. The average high for September is 86° with an average low of 65°. 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 Fayetteville. See also: October | November | December.
