S
M
T
W
T
F
S
30
82°
66°
31
87°
69°
1
90°
71°
2
94°
73°
3
94°
72°
4
87°
70°
5
82°
68°
6
79°
59°
7
80°
55°
8
83°
56°
9
78°
69°
10
78°
57°
11
81°
52°
12
85°
61°
13
76°
52°
14
72°
46°
15
N/A
16
73°
67°
17
75°
58°
18
76°
58°
19
75°
59°
20
69°
54°
21
70°
53°
22
69°
55°
23
70°
54°
24
70°
51°
25
69°
50°
26
70°
51°
27
71°
50°
28
69°
45°
29
71°
51°
30
71°
52°
1
72°
50°
2
71°
48°
3
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Porter Township
Porter Township's September 2026 forecast shows daily high temperatures ranging from 69° to 76°, with overnight lows between 45° and 67°. The average high for September is 71° 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 Porter Township. See also: October | November | December.
