S
M
T
W
T
F
S
30
90°
69°
31
91°
70°
1
91°
68°
2
88°
70°
3
92°
70°
4
92°
72°
5
93°
72°
6
92°
70°
7
89°
70°
8
89°
71°
9
90°
70°
10
90°
70°
11
87°
69°
12
86°
70°
13
90°
70°
14
89°
69°
15
88°
69°
16
87°
68°
17
89°
69°
18
89°
68°
19
87°
68°
20
86°
67°
21
89°
67°
22
88°
66°
23
88°
67°
24
87°
66°
25
88°
65°
26
88°
64°
27
87°
65°
28
87°
65°
29
86°
64°
30
85°
64°
1
86°
62°
2
86°
64°
3
84°
61°
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 84° to 93°, with overnight lows between 61° and 72°. The average high for September is 88° with an average low of 68°. 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.
