S
M
T
W
T
F
S
30
60°
46°
31
58°
49°
1
57°
48°
2
56°
46°
3
56°
46°
4
58°
47°
5
59°
45°
6
60°
47°
7
54°
45°
8
55°
46°
9
56°
45°
10
55°
46°
11
56°
46°
12
54°
49°
13
54°
48°
14
53°
46°
15
Hist. Avg.
56°
44°
16
Hist. Avg.
56°
44°
17
Hist. Avg.
56°
44°
18
Hist. Avg.
56°
44°
19
Hist. Avg.
55°
44°
20
Hist. Avg.
55°
43°
21
Hist. Avg.
55°
43°
22
Hist. Avg.
55°
43°
23
Hist. Avg.
54°
43°
24
Hist. Avg.
54°
43°
25
Hist. Avg.
54°
43°
26
Hist. Avg.
54°
42°
27
Hist. Avg.
53°
42°
28
Hist. Avg.
53°
42°
29
Hist. Avg.
53°
42°
30
Hist. Avg.
52°
42°
1
Hist. Avg.
52°
41°
2
Hist. Avg.
52°
41°
3
Hist. Avg.
52°
41°
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 53° to 60°, with overnight lows between 45° and 49°. The average high for September is 56° with an average low of 47°. 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.
