S
M
T
W
T
F
S
30
76°
54°
31
75°
53°
1
74°
55°
2
76°
54°
3
75°
53°
4
76°
53°
5
77°
58°
6
76°
59°
7
75°
54°
8
76°
52°
9
73°
56°
10
77°
51°
11
74°
50°
12
73°
50°
13
73°
52°
14
74°
55°
15
79°
57°
16
79°
58°
17
78°
57°
18
79°
52°
19
78°
47°
20
71°
48°
21
69°
54°
22
70°
53°
23
76°
54°
24
75°
55°
25
76°
46°
26
75°
44°
27
70°
46°
28
65°
45°
29
66°
45°
30
66°
50°
1
66°
52°
2
Hist. Avg.
68°
46°
3
Hist. Avg.
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pierceton
Pierceton's September 2026 forecast shows daily high temperatures ranging from 65° to 79°, with overnight lows between 44° and 59°. The average high for September is 74° with an average low of 52°. 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 Pierceton. See also: October | November | December.
