S
M
T
W
T
F
S
30
101°
80°
31
100°
80°
1
100°
80°
2
100°
80°
3
95°
77°
4
99°
79°
5
99°
78°
6
100°
79°
7
N/A
8
102°
80°
9
102°
79°
10
101°
78°
11
101°
80°
12
104°
79°
13
101°
77°
14
99°
73°
15
94°
72°
16
93°
70°
17
94°
70°
18
92°
69°
19
90°
66°
20
88°
65°
21
87°
64°
22
92°
71°
23
91°
70°
24
90°
69°
25
82°
69°
26
87°
68°
27
87°
68°
28
88°
67°
29
87°
68°
30
85°
60°
1
78°
56°
2
77°
57°
3
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Roanoke
Roanoke's September 2026 forecast shows daily high temperatures ranging from 75° to 104°, with overnight lows between 56° and 80°. The average high for September is 91° with an average low of 69°. 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.
