S
M
T
W
T
F
S
30
86°
69°
31
91°
65°
1
94°
68°
2
95°
71°
3
97°
70°
4
96°
73°
5
95°
71°
6
88°
68°
7
82°
69°
8
85°
63°
9
87°
61°
10
91°
64°
11
93°
66°
12
83°
68°
13
88°
70°
14
91°
66°
15
81°
69°
16
87°
66°
17
90°
62°
18
94°
69°
19
88°
69°
20
85°
69°
21
89°
66°
22
84°
67°
23
67°
58°
24
64°
56°
25
75°
46°
26
77°
48°
27
78°
48°
28
79°
53°
29
79°
55°
30
80°
58°
1
81°
61°
2
80°
62°
3
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blacksburg
Blacksburg's September 2026 forecast shows daily high temperatures ranging from 75° to 81°, with overnight lows between 46° and 62°. The average high for September is 79° with an average low of 55°. 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 Blacksburg. See also: October | November | December.
