S
M
T
W
T
F
S
30
104°
72°
31
106°
70°
1
104°
68°
2
104°
68°
3
100°
72°
4
100°
72°
5
102°
72°
6
102°
72°
7
104°
72°
8
104°
70°
9
104°
75°
10
84°
64°
11
95°
61°
12
100°
72°
13
102°
72°
14
102°
73°
15
102°
75°
16
102°
72°
17
100°
68°
18
100°
70°
19
100°
70°
20
88°
68°
21
75°
63°
22
86°
61°
23
88°
61°
24
91°
64°
25
86°
66°
26
90°
64°
27
88°
64°
28
88°
66°
29
75°
68°
30
84°
68°
1
73°
64°
2
75°
55°
3
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Douglas
Douglas's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Douglas. See also: October | November | December.
