S
M
T
W
T
F
S
30
66°
59°
31
63°
57°
1
64°
59°
2
64°
59°
3
64°
57°
4
66°
57°
5
64°
55°
6
66°
61°
7
63°
57°
8
64°
55°
9
63°
54°
10
63°
59°
11
64°
55°
12
68°
59°
13
63°
55°
14
63°
59°
15
64°
57°
16
63°
55°
17
61°
55°
18
63°
54°
19
63°
55°
20
61°
55°
21
64°
59°
22
61°
59°
23
61°
46°
24
63°
46°
25
61°
54°
26
63°
57°
27
61°
54°
28
61°
48°
29
64°
57°
30
64°
57°
1
61°
55°
2
63°
54°
3
59°
48°
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.
