S
M
T
W
T
F
S
30
91°
65°
31
91°
67°
1
93°
67°
2
95°
69°
3
96°
68°
4
97°
69°
5
94°
68°
6
90°
64°
7
83°
64°
8
86°
62°
9
86°
66°
10
84°
67°
11
77°
65°
12
83°
64°
13
85°
63°
14
83°
62°
15
81°
61°
16
79°
61°
17
79°
62°
18
80°
61°
19
78°
58°
20
76°
54°
21
81°
58°
22
79°
58°
23
80°
57°
24
80°
58°
25
79°
57°
26
80°
57°
27
80°
56°
28
79°
57°
29
79°
57°
30
78°
56°
1
78°
56°
2
75°
49°
3
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fincastle
Fincastle's September 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 45° and 67°. The average high for September is 80° with an average low of 59°. 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 Fincastle. See also: October | November | December.
