S
M
T
W
T
F
S
30
92°
70°
31
91°
69°
1
90°
68°
2
90°
67°
3
89°
65°
4
92°
67°
5
92°
69°
6
Hist. Avg.
89°
66°
7
Hist. Avg.
88°
65°
8
Hist. Avg.
88°
65°
9
Hist. Avg.
88°
64°
10
Hist. Avg.
87°
64°
11
Hist. Avg.
87°
64°
12
Hist. Avg.
86°
63°
13
Hist. Avg.
86°
63°
14
Hist. Avg.
86°
62°
15
Hist. Avg.
85°
62°
16
Hist. Avg.
85°
61°
17
Hist. Avg.
84°
61°
18
Hist. Avg.
84°
60°
19
Hist. Avg.
83°
60°
20
Hist. Avg.
83°
60°
21
Hist. Avg.
82°
59°
22
Hist. Avg.
82°
59°
23
Hist. Avg.
82°
58°
24
Hist. Avg.
81°
58°
25
Hist. Avg.
81°
57°
26
Hist. Avg.
80°
57°
27
Hist. Avg.
80°
56°
28
Hist. Avg.
79°
56°
29
Hist. Avg.
79°
55°
30
Hist. Avg.
78°
55°
1
Hist. Avg.
78°
54°
2
Hist. Avg.
78°
54°
3
Hist. Avg.
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Douglas
Douglas's September 2026 forecast shows daily high temperatures ranging from 89° to 92°, with overnight lows between 65° and 70°. The average high for September is 91° with an average low of 68°. 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.
