S
M
T
W
T
F
S
30
91°
70°
31
91°
71°
1
90°
71°
2
90°
70°
3
85°
65°
4
84°
65°
5
83°
69°
6
85°
69°
7
84°
68°
8
87°
70°
9
90°
69°
10
86°
69°
11
86°
68°
12
87°
68°
13
88°
65°
14
88°
61°
15
84°
62°
16
83°
61°
17
82°
62°
18
84°
64°
19
87°
66°
20
87°
66°
21
86°
65°
22
83°
66°
23
83°
65°
24
81°
64°
25
81°
63°
26
85°
62°
27
85°
63°
28
84°
63°
29
85°
62°
30
85°
63°
1
84°
62°
2
85°
62°
3
85°
56°
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 81° to 91°, with overnight lows between 56° 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.
