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
80°
59°
8
82°
59°
9
87°
66°
10
91°
69°
11
84°
66°
12
81°
66°
13
86°
65°
14
85°
67°
15
81°
65°
16
80°
62°
17
81°
62°
18
78°
62°
19
78°
59°
20
79°
56°
21
82°
61°
22
80°
60°
23
78°
59°
24
76°
59°
25
79°
58°
26
81°
60°
27
81°
59°
28
80°
59°
29
80°
58°
30
79°
58°
1
79°
57°
2
78°
57°
3
78°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cave Spring
Cave Spring's September 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 53° and 69°. The average high for September is 81° with an average low of 61°. 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 Cave Spring. See also: October | November | December.