S
M
T
W
T
F
S
30
70°
61°
31
N/A
1
69°
59°
2
69°
64°
3
70°
66°
4
70°
55°
5
70°
59°
6
73°
61°
7
71°
58°
8
70°
58°
9
69°
57°
10
69°
56°
11
68°
56°
12
69°
55°
13
70°
54°
14
66°
51°
15
67°
53°
16
66°
50°
17
66°
52°
18
65°
55°
19
67°
55°
20
64°
53°
21
66°
55°
22
67°
56°
23
67°
54°
24
66°
50°
25
65°
49°
26
65°
48°
27
66°
54°
28
66°
54°
29
65°
53°
30
66°
54°
1
67°
54°
2
67°
53°
3
66°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Eastbourne
Eastbourne's September 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 48° and 66°. The average high for September is 67° with an average low of 55°. 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 Eastbourne. See also: October | November | December.
