S
M
T
W
T
F
S
30
79°
53°
31
79°
54°
1
69°
61°
2
75°
61°
3
78°
61°
4
84°
59°
5
76°
55°
6
73°
49°
7
80°
46°
8
77°
55°
9
76°
67°
10
84°
55°
11
76°
46°
12
77°
57°
13
80°
59°
14
81°
54°
15
75°
60°
16
76°
55°
17
74°
54°
18
70°
52°
19
69°
47°
20
68°
50°
21
71°
49°
22
66°
53°
23
67°
52°
24
70°
52°
25
71°
51°
26
73°
49°
27
66°
45°
28
68°
48°
29
73°
50°
30
73°
51°
1
72°
50°
2
71°
50°
3
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pepperell
Pepperell's September 2026 forecast shows daily high temperatures ranging from 66° to 84°, with overnight lows between 45° and 67°. The average high for September is 73° 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 Pepperell. See also: October | November | December.
