S
M
T
W
T
F
S
30
78°
50°
31
77°
47°
1
76°
45°
2
69°
47°
3
69°
46°
4
70°
46°
5
69°
45°
6
68°
45°
7
71°
46°
8
73°
43°
9
71°
44°
10
72°
50°
11
71°
50°
12
70°
49°
13
71°
43°
14
72°
42°
15
71°
46°
16
70°
47°
17
64°
45°
18
63°
45°
19
69°
46°
20
Hist. Avg.
64°
46°
21
Hist. Avg.
64°
46°
22
Hist. Avg.
64°
46°
23
Hist. Avg.
63°
45°
24
Hist. Avg.
63°
45°
25
Hist. Avg.
62°
44°
26
Hist. Avg.
62°
44°
27
Hist. Avg.
62°
44°
28
Hist. Avg.
61°
43°
29
Hist. Avg.
61°
43°
30
Hist. Avg.
61°
43°
1
Hist. Avg.
60°
42°
2
Hist. Avg.
60°
42°
3
Hist. Avg.
60°
42°
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 63° to 78°, with overnight lows between 42° and 50°. The average high for September is 71° with an average low of 46°. 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.
