S
M
T
W
T
F
S
30
77°
51°
31
74°
49°
1
76°
45°
2
74°
49°
3
63°
58°
4
73°
61°
5
69°
54°
6
N/A
7
77°
53°
8
71°
43°
9
63°
58°
10
78°
52°
11
69°
46°
12
73°
53°
13
76°
55°
14
72°
50°
15
70°
52°
16
67°
46°
17
65°
46°
18
65°
50°
19
69°
46°
20
72°
50°
21
62°
48°
22
62°
50°
23
68°
50°
24
69°
48°
25
68°
49°
26
68°
45°
27
60°
43°
28
65°
45°
29
68°
48°
30
69°
49°
1
69°
49°
2
67°
48°
3
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Millinocket
Millinocket's September 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 43° and 58°. The average high for September is 68° with an average low of 49°. 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 Millinocket. See also: October | November | December.
