S
M
T
W
T
F
S
30
88°
66°
31
94°
69°
1
94°
68°
2
97°
70°
3
97°
71°
4
98°
73°
5
92°
70°
6
81°
70°
7
83°
66°
8
87°
59°
9
88°
67°
10
91°
70°
11
84°
68°
12
77°
67°
13
87°
67°
14
87°
65°
15
88°
67°
16
86°
65°
17
82°
63°
18
83°
61°
19
78°
54°
20
74°
55°
21
75°
54°
22
76°
54°
23
78°
58°
24
76°
58°
25
78°
53°
26
76°
53°
27
80°
57°
28
81°
57°
29
80°
56°
30
80°
58°
1
78°
56°
2
78°
52°
3
77°
55°
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 74° to 91°, with overnight lows between 52° and 70°. The average high for September is 81° with an average low of 60°. 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.
