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
93°
67°
10
94°
68°
11
87°
73°
12
86°
71°
13
91°
69°
14
94°
69°
15
93°
71°
16
89°
68°
17
91°
68°
18
90°
66°
19
85°
62°
20
84°
62°
21
84°
60°
22
85°
61°
23
83°
64°
24
79°
49°
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 79° to 94°, with overnight lows between 49° and 73°. The average high for September is 86° 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 Fayetteville. See also: October | November | December.
