S
M
T
W
T
F
S
30
83°
56°
31
78°
52°
1
77°
52°
2
77°
53°
3
76°
53°
4
77°
54°
5
75°
53°
6
75°
55°
7
74°
58°
8
78°
54°
9
75°
52°
10
74°
51°
11
73°
51°
12
74°
52°
13
73°
53°
14
72°
52°
15
73°
56°
16
73°
50°
17
74°
49°
18
74°
50°
19
73°
56°
20
72°
53°
21
Hist. Avg.
77°
53°
22
Hist. Avg.
76°
53°
23
Hist. Avg.
76°
53°
24
Hist. Avg.
75°
52°
25
Hist. Avg.
75°
52°
26
Hist. Avg.
75°
51°
27
Hist. Avg.
74°
51°
28
Hist. Avg.
74°
51°
29
Hist. Avg.
73°
50°
30
Hist. Avg.
73°
50°
1
Hist. Avg.
72°
49°
2
Hist. Avg.
72°
49°
3
Hist. Avg.
72°
49°
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 72° to 83°, with overnight lows between 49° and 58°. The average high for September is 75° with an average low of 53°. 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.
