S
M
T
W
T
F
S
30
81°
56°
31
77°
49°
1
80°
47°
2
78°
47°
3
65°
59°
4
80°
60°
5
72°
53°
6
69°
50°
7
79°
49°
8
74°
46°
9
64°
40°
10
82°
61°
11
71°
50°
12
74°
51°
13
65°
61°
14
68°
42°
15
69°
49°
16
72°
50°
17
67°
52°
18
69°
47°
19
66°
46°
20
62°
43°
21
64°
44°
22
64°
44°
23
67°
46°
24
66°
45°
25
65°
43°
26
60°
41°
27
59°
47°
28
69°
48°
29
63°
45°
30
60°
43°
1
63°
46°
2
65°
46°
3
66°
47°
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 59° to 74°, with overnight lows between 41° and 61°. The average high for September is 66° with an average low of 47°. 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.
