S
M
T
W
T
F
S
30
78°
56°
31
76°
56°
1
76°
57°
2
77°
58°
3
75°
62°
4
76°
56°
5
78°
57°
6
77°
56°
7
75°
54°
8
76°
55°
9
75°
55°
10
74°
56°
11
74°
53°
12
75°
53°
13
74°
54°
14
75°
56°
15
76°
59°
16
78°
58°
17
77°
52°
18
72°
50°
19
72°
52°
20
73°
55°
21
71°
50°
22
71°
53°
23
76°
55°
24
75°
56°
25
76°
55°
26
75°
47°
27
73°
48°
28
67°
47°
29
66°
46°
30
67°
46°
1
67°
47°
2
65°
44°
3
Hist. Avg.
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lower Mifflin Township
Lower Mifflin Township's September 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 44° and 62°. The average high for September is 74° with an average low of 53°. 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 Lower Mifflin Township. See also: October | November | December.
