S
M
T
W
T
F
S
30
72°
55°
31
71°
56°
1
70°
54°
2
69°
51°
3
67°
50°
4
66°
50°
5
68°
49°
6
69°
52°
7
70°
52°
8
70°
54°
9
71°
55°
10
70°
54°
11
67°
53°
12
66°
53°
13
67°
51°
14
65°
48°
15
64°
48°
16
63°
47°
17
65°
48°
18
65°
52°
19
64°
49°
20
63°
47°
21
63°
47°
22
62°
53°
23
66°
52°
24
67°
51°
25
67°
47°
26
64°
46°
27
62°
50°
28
61°
51°
29
62°
50°
30
61°
46°
1
61°
48°
2
60°
46°
3
61°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bournemouth
Bournemouth's September 2026 forecast shows daily high temperatures ranging from 60° to 72°, with overnight lows between 44° and 56°. The average high for September is 66° 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 Bournemouth. See also: October | November | December.
