S
M
T
W
T
F
S
30
85°
66°
31
89°
66°
1
91°
65°
2
92°
66°
3
91°
66°
4
91°
67°
5
90°
68°
6
87°
66°
7
75°
65°
8
81°
61°
9
86°
58°
10
89°
60°
11
92°
67°
12
76°
65°
13
81°
60°
14
83°
64°
15
82°
60°
16
84°
56°
17
83°
59°
18
83°
60°
19
80°
55°
20
74°
56°
21
73°
51°
22
74°
53°
23
76°
52°
24
75°
50°
25
78°
56°
26
79°
56°
27
79°
59°
28
78°
59°
29
79°
58°
30
79°
60°
1
77°
58°
2
77°
56°
3
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Asheville
Asheville's September 2026 forecast shows daily high temperatures ranging from 73° to 92°, with overnight lows between 50° and 67°. The average high for September is 79° with an average low of 58°. 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 Asheville. See also: October | November | December.