S
M
T
W
T
F
S
30
75°
47°
31
78°
49°
1
80°
51°
2
79°
52°
3
80°
54°
4
79°
48°
5
76°
48°
6
77°
52°
7
76°
50°
8
76°
49°
9
78°
50°
10
79°
50°
11
79°
51°
12
78°
51°
13
79°
52°
14
78°
52°
15
77°
49°
16
75°
49°
17
76°
48°
18
74°
42°
19
71°
37°
20
66°
40°
21
66°
40°
22
69°
36°
23
64°
37°
24
65°
46°
25
65°
47°
26
64°
48°
27
68°
46°
28
67°
46°
29
65°
47°
30
64°
42°
1
65°
35°
2
65°
34°
3
58°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mason Township
Mason Township's September 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 33° and 54°. The average high for September is 72° with an average low of 46°. 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 Mason Township. See also: October | November | December.
