S
M
T
W
T
F
S
30
73°
56°
31
77°
51°
1
74°
58°
2
69°
60°
3
67°
59°
4
78°
59°
5
73°
53°
6
75°
54°
7
74°
57°
8
75°
56°
9
76°
58°
10
75°
57°
11
75°
53°
12
72°
54°
13
72°
56°
14
75°
56°
15
69°
55°
16
70°
55°
17
74°
54°
18
66°
52°
19
67°
48°
20
67°
54°
21
72°
55°
22
73°
55°
23
73°
54°
24
72°
53°
25
71°
52°
26
72°
54°
27
71°
53°
28
71°
52°
29
69°
48°
30
60°
46°
1
59°
43°
2
59°
51°
3
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hallowell
Hallowell's September 2026 forecast shows daily high temperatures ranging from 59° to 78°, with overnight lows between 43° and 60°. The average high for September is 71° with an average low of 54°. 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 Hallowell. See also: October | November | December.
