S
M
T
W
T
F
S
30
90°
71°
31
88°
68°
1
84°
69°
2
84°
70°
3
88°
70°
4
86°
70°
5
84°
70°
6
86°
69°
7
88°
69°
8
83°
64°
9
83°
63°
10
82°
65°
11
83°
64°
12
87°
63°
13
87°
68°
14
86°
63°
15
84°
61°
16
80°
62°
17
81°
61°
18
82°
62°
19
85°
62°
20
85°
63°
21
84°
66°
22
85°
65°
23
85°
60°
24
81°
59°
25
83°
58°
26
80°
61°
27
83°
64°
28
83°
64°
29
84°
63°
30
84°
58°
1
80°
63°
2
82°
63°
3
82°
62°
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 80° to 90°, with overnight lows between 58° and 71°. The average high for September is 84° 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.
