S
M
T
W
T
F
S
30
88°
74°
31
87°
73°
1
88°
74°
2
91°
73°
3
90°
69°
4
88°
69°
5
90°
71°
6
89°
71°
7
88°
69°
8
87°
69°
9
90°
71°
10
90°
68°
11
91°
70°
12
91°
68°
13
90°
71°
14
90°
72°
15
89°
70°
16
89°
70°
17
90°
71°
18
89°
72°
19
88°
71°
20
88°
71°
21
86°
70°
22
87°
70°
23
86°
71°
24
Hist. Avg.
87°
67°
25
Hist. Avg.
87°
67°
26
Hist. Avg.
87°
66°
27
Hist. Avg.
87°
66°
28
Hist. Avg.
87°
66°
29
Hist. Avg.
86°
66°
30
Hist. Avg.
86°
65°
1
Hist. Avg.
86°
65°
2
Hist. Avg.
86°
64°
3
Hist. Avg.
86°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Old Town
Old Town's September 2026 forecast shows daily high temperatures ranging from 86° to 91°, with overnight lows between 68° and 74°. The average high for September is 89° 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.
