S
M
T
W
T
F
S
30
68°
55°
31
64°
57°
1
66°
57°
2
72°
57°
3
68°
59°
4
66°
55°
5
64°
54°
6
70°
59°
7
64°
54°
8
64°
52°
9
61°
54°
10
66°
57°
11
64°
55°
12
68°
55°
13
63°
57°
14
70°
59°
15
64°
55°
16
61°
55°
17
59°
54°
18
64°
52°
19
64°
50°
20
62°
54°
21
71°
58°
22
67°
52°
23
61°
46°
24
62°
53°
25
62°
49°
26
62°
53°
27
61°
49°
28
60°
50°
29
60°
55°
30
63°
50°
1
59°
49°
2
61°
49°
3
57°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Holywood
Holywood's September 2026 forecast shows daily high temperatures ranging from 57° to 71°, with overnight lows between 46° and 58°. The average high for September is 62° with an average low of 51°. 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 Holywood. See also: October | November | December.
