S
M
T
W
T
F
S
30
76°
54°
31
71°
52°
1
69°
52°
2
69°
51°
3
70°
50°
4
69°
50°
5
69°
53°
6
70°
56°
7
74°
55°
8
77°
47°
9
75°
54°
10
72°
56°
11
74°
52°
12
75°
50°
13
75°
55°
14
74°
51°
15
75°
43°
16
73°
43°
17
65°
44°
18
65°
51°
19
70°
50°
20
69°
47°
21
65°
50°
22
63°
50°
23
67°
49°
24
70°
51°
25
66°
51°
26
71°
50°
27
67°
39°
28
71°
37°
29
70°
37°
30
57°
42°
1
58°
37°
2
59°
41°
3
58°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Old Town
Old Town's September 2026 forecast shows daily high temperatures ranging from 57° to 77°, with overnight lows between 37° and 56°. The average high for September is 69° with an average low of 48°. 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 Old Town. See also: October | November | December.
