S
M
T
W
T
F
S
30
76°
58°
31
75°
57°
1
75°
56°
2
74°
54°
3
72°
52°
4
68°
56°
5
66°
48°
6
66°
55°
7
65°
55°
8
70°
54°
9
73°
56°
10
64°
51°
11
63°
54°
12
65°
54°
13
64°
55°
14
71°
54°
15
72°
50°
16
64°
47°
17
63°
52°
18
65°
49°
19
70°
48°
20
Hist. Avg.
65°
50°
21
Hist. Avg.
65°
49°
22
Hist. Avg.
65°
49°
23
Hist. Avg.
64°
49°
24
Hist. Avg.
64°
49°
25
Hist. Avg.
64°
49°
26
Hist. Avg.
63°
49°
27
Hist. Avg.
63°
48°
28
Hist. Avg.
63°
48°
29
Hist. Avg.
63°
48°
30
Hist. Avg.
62°
48°
1
Hist. Avg.
62°
48°
2
Hist. Avg.
62°
47°
3
Hist. Avg.
61°
47°
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 76°, with overnight lows between 47° and 58°. The average high for September is 69° with an average low of 53°. 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.
