S
M
T
W
T
F
S
30
86°
67°
31
88°
67°
1
89°
66°
2
86°
67°
3
90°
69°
4
90°
71°
5
89°
70°
6
90°
69°
7
88°
69°
8
89°
70°
9
88°
68°
10
88°
68°
11
87°
67°
12
83°
67°
13
87°
66°
14
87°
67°
15
86°
67°
16
87°
66°
17
87°
66°
18
86°
65°
19
85°
65°
20
81°
64°
21
85°
64°
22
85°
63°
23
84°
65°
24
85°
63°
25
85°
63°
26
84°
61°
27
86°
62°
28
84°
62°
29
83°
61°
30
83°
62°
1
82°
61°
2
84°
61°
3
79°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Morgantown
Morgantown's September 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 57° and 71°. The average high for September is 86° with an average low of 65°. 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 Morgantown. See also: October | November | December.
