S
M
T
W
T
F
S
30
70°
55°
31
72°
61°
1
75°
62°
2
75°
62°
3
72°
60°
4
71°
59°
5
70°
57°
6
69°
57°
7
69°
59°
8
72°
59°
9
67°
56°
10
67°
51°
11
72°
48°
12
64°
47°
13
66°
51°
14
65°
50°
15
63°
47°
16
65°
46°
17
63°
48°
18
65°
51°
19
64°
48°
20
63°
48°
21
61°
47°
22
63°
52°
23
67°
48°
24
67°
46°
25
66°
53°
26
69°
53°
27
68°
52°
28
61°
47°
29
64°
49°
30
67°
43°
1
60°
50°
2
66°
52°
3
67°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Damariscotta
Damariscotta's September 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 43° and 62°. The average high for September is 67° 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 Damariscotta. See also: October | November | December.
