S
M
T
W
T
F
S
30
78°
62°
31
81°
65°
1
84°
60°
2
83°
59°
3
77°
60°
4
78°
61°
5
78°
66°
6
83°
66°
7
84°
65°
8
78°
65°
9
76°
66°
10
81°
65°
11
82°
62°
12
80°
65°
13
79°
60°
14
78°
58°
15
74°
59°
16
73°
57°
17
73°
56°
18
74°
58°
19
78°
61°
20
77°
63°
21
78°
59°
22
74°
55°
23
72°
60°
24
73°
61°
25
76°
54°
26
71°
58°
27
74°
59°
28
76°
59°
29
Hist. Avg.
76°
60°
30
Hist. Avg.
75°
59°
1
Hist. Avg.
75°
59°
2
Hist. Avg.
74°
58°
3
Hist. Avg.
74°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Greenbrier
Greenbrier's September 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 54° and 66°. The average high for September is 77° 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 Greenbrier. See also: October | November | December.
