S
M
T
W
T
F
S
30
82°
53°
31
83°
52°
1
80°
53°
2
80°
57°
3
81°
58°
4
81°
53°
5
82°
52°
6
81°
55°
7
79°
50°
8
80°
51°
9
79°
56°
10
79°
54°
11
80°
50°
12
78°
49°
13
78°
50°
14
80°
52°
15
81°
55°
16
83°
55°
17
83°
54°
18
80°
48°
19
79°
53°
20
79°
48°
21
75°
49°
22
75°
52°
23
80°
52°
24
79°
52°
25
80°
52°
26
79°
44°
27
75°
46°
28
72°
45°
29
72°
45°
30
70°
43°
1
Hist. Avg.
66°
46°
2
Hist. Avg.
66°
46°
3
Hist. Avg.
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Keyser
Keyser's September 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 43° and 58°. The average high for September is 79° with an average low of 51°. 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 Keyser. See also: October | November | December.
