S
M
T
W
T
F
S
30
82°
65°
31
87°
70°
1
90°
71°
2
92°
71°
3
92°
73°
4
90°
70°
5
82°
59°
6
78°
57°
7
81°
59°
8
86°
69°
9
86°
61°
10
74°
53°
11
76°
57°
12
78°
60°
13
82°
59°
14
77°
55°
15
80°
58°
16
80°
56°
17
78°
57°
18
79°
51°
19
78°
58°
20
78°
57°
21
75°
56°
22
68°
55°
23
70°
55°
24
77°
54°
25
78°
56°
26
77°
55°
27
76°
55°
28
78°
56°
29
77°
56°
30
77°
55°
1
76°
52°
2
75°
46°
3
62°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Roanoke
Roanoke's September 2026 forecast shows daily high temperatures ranging from 62° to 86°, with overnight lows between 42° and 69°. The average high for September is 77° with an average low of 56°. 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 Roanoke. See also: October | November | December.
