S
M
T
W
T
F
S
30
70°
61°
31
75°
57°
1
72°
54°
2
68°
61°
3
75°
64°
4
72°
55°
5
73°
52°
6
77°
54°
7
75°
57°
8
63°
52°
9
66°
50°
10
68°
60°
11
72°
53°
12
69°
63°
13
74°
59°
14
72°
62°
15
73°
54°
16
70°
52°
17
66°
54°
18
68°
55°
19
69°
54°
20
68°
54°
21
69°
55°
22
67°
54°
23
68°
54°
24
67°
53°
25
65°
52°
26
63°
52°
27
66°
54°
28
65°
48°
29
60°
46°
30
59°
47°
1
60°
52°
2
63°
52°
3
63°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Littlehampton
Littlehampton's September 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 46° and 63°. The average high for September is 67° with an average low of 54°. 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 Littlehampton. See also: October | November | December.
