S
M
T
W
T
F
S
30
78°
57°
31
79°
62°
1
81°
64°
2
77°
64°
3
85°
65°
4
86°
63°
5
82°
58°
6
80°
55°
7
77°
57°
8
83°
61°
9
82°
59°
10
81°
61°
11
78°
54°
12
76°
56°
13
78°
60°
14
82°
54°
15
75°
57°
16
73°
59°
17
72°
57°
18
73°
55°
19
77°
50°
20
73°
55°
21
75°
51°
22
76°
55°
23
77°
51°
24
78°
50°
25
78°
57°
26
77°
56°
27
76°
58°
28
77°
56°
29
77°
49°
30
70°
53°
1
75°
57°
2
76°
53°
3
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Monongahela
East Monongahela's September 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 49° and 65°. The average high for September is 78° with an average low of 57°. 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 East Monongahela. See also: October | November | December.
