S
M
T
W
T
F
S
30
90°
70°
31
89°
70°
1
88°
69°
2
90°
70°
3
89°
69°
4
85°
66°
5
84°
66°
6
86°
64°
7
88°
67°
8
89°
68°
9
89°
68°
10
88°
67°
11
89°
68°
12
88°
67°
13
88°
68°
14
87°
64°
15
88°
66°
16
87°
65°
17
88°
66°
18
85°
62°
19
86°
57°
20
79°
60°
21
79°
58°
22
80°
58°
23
80°
61°
24
84°
63°
25
84°
60°
26
77°
57°
27
77°
60°
28
80°
60°
29
78°
61°
30
82°
59°
1
81°
60°
2
81°
60°
3
80°
59°
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 77° to 90°, with overnight lows between 57° and 70°. 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 Fayetteville. See also: October | November | December.
