S
M
T
W
T
F
S
30
93°
71°
31
93°
72°
1
92°
75°
2
90°
74°
3
90°
76°
4
89°
74°
5
93°
75°
6
92°
72°
7
90°
73°
8
89°
74°
9
92°
75°
10
90°
74°
11
86°
74°
12
85°
74°
13
93°
74°
14
75°
75°
15
94°
75°
16
89°
76°
17
89°
73°
18
88°
71°
19
89°
71°
20
94°
72°
21
89°
71°
22
91°
72°
23
91°
70°
24
87°
64°
25
85°
57°
26
84°
58°
27
84°
59°
28
87°
62°
29
89°
64°
30
88°
68°
1
84°
67°
2
87°
66°
3
86°
67°
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 84° to 91°, with overnight lows between 57° and 70°. The average high for September is 87° with an average low of 64°. 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.
