S
M
T
W
T
F
S
30
86°
64°
31
85°
66°
1
84°
65°
2
85°
66°
3
84°
66°
4
84°
65°
5
83°
64°
6
83°
64°
7
82°
63°
8
82°
64°
9
81°
63°
10
82°
63°
11
82°
62°
12
83°
63°
13
83°
64°
14
82°
62°
15
81°
63°
16
81°
62°
17
80°
63°
18
79°
60°
19
78°
53°
20
74°
58°
21
73°
61°
22
75°
52°
23
73°
52°
24
71°
53°
25
73°
57°
26
76°
58°
27
71°
53°
28
71°
52°
29
70°
52°
30
70°
54°
1
71°
59°
2
73°
50°
3
73°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mannington Township
Mannington Township's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 47° and 66°. The average high for September is 78° with an average low of 60°. 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 Mannington Township. See also: October | November | December.