S
M
T
W
T
F
S
30
91°
75°
31
90°
74°
1
91°
75°
2
91°
75°
3
90°
74°
4
90°
74°
5
91°
73°
6
90°
74°
7
90°
74°
8
89°
73°
9
87°
74°
10
90°
74°
11
90°
73°
12
89°
74°
13
90°
74°
14
88°
73°
15
88°
73°
16
85°
72°
17
87°
73°
18
85°
73°
19
86°
72°
20
85°
71°
21
84°
66°
22
85°
67°
23
88°
66°
24
89°
69°
25
87°
68°
26
85°
65°
27
87°
69°
28
88°
70°
29
88°
69°
30
87°
69°
1
87°
68°
2
85°
68°
3
83°
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 83° to 91°, with overnight lows between 65° and 75°. The average high for September is 88° with an average low of 71°. 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.
