S
M
T
W
T
F
S
30
77°
49°
31
75°
41°
1
74°
47°
2
72°
54°
3
64°
58°
4
66°
54°
5
66°
49°
6
69°
45°
7
76°
50°
8
69°
49°
9
68°
47°
10
69°
51°
11
72°
50°
12
67°
51°
13
70°
50°
14
69°
36°
15
66°
49°
16
69°
48°
17
69°
48°
18
62°
44°
19
62°
40°
20
65°
46°
21
70°
48°
22
70°
48°
23
69°
47°
24
68°
46°
25
68°
46°
26
69°
45°
27
67°
44°
28
68°
44°
29
61°
40°
30
57°
38°
1
56°
36°
2
56°
43°
3
59°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Houlton
Houlton's September 2026 forecast shows daily high temperatures ranging from 56° to 76°, with overnight lows between 36° and 58°. The average high for September is 67° with an average low of 46°. 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 Houlton. See also: October | November | December.
