S
M
T
W
T
F
S
30
61°
57°
31
72°
54°
1
68°
52°
2
59°
48°
3
64°
57°
4
66°
55°
5
66°
52°
6
68°
55°
7
63°
52°
8
64°
54°
9
59°
46°
10
61°
45°
11
64°
48°
12
70°
52°
13
66°
52°
14
68°
54°
15
66°
49°
16
60°
51°
17
61°
49°
18
60°
54°
19
63°
49°
20
61°
53°
21
66°
52°
22
63°
50°
23
62°
50°
24
63°
49°
25
62°
48°
26
59°
47°
27
60°
48°
28
60°
50°
29
61°
49°
30
60°
48°
1
60°
50°
2
59°
50°
3
60°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Barry
Barry's September 2026 forecast shows daily high temperatures ranging from 59° to 66°, with overnight lows between 47° and 54°. The average high for September is 61° with an average low of 50°. 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 Barry. See also: October | November | December.