S
M
T
W
T
F
S
30
75°
59°
31
72°
55°
1
70°
52°
2
68°
57°
3
72°
63°
4
66°
59°
5
68°
55°
6
72°
54°
7
70°
61°
8
64°
55°
9
N/A
10
68°
57°
11
67°
51°
12
69°
59°
13
66°
56°
14
69°
60°
15
67°
54°
16
63°
52°
17
62°
53°
18
64°
53°
19
67°
53°
20
66°
53°
21
65°
54°
22
66°
55°
23
65°
54°
24
64°
53°
25
60°
53°
26
60°
52°
27
63°
54°
28
62°
50°
29
58°
48°
30
58°
50°
1
59°
53°
2
62°
53°
3
62°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Withernsea
Withernsea's September 2026 forecast shows daily high temperatures ranging from 58° to 69°, with overnight lows between 48° and 60°. The average high for September is 64° with an average low of 53°. 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 Withernsea. See also: October | November | December.
