S
M
T
W
T
F
S
30
63°
51°
31
64°
50°
1
63°
50°
2
62°
52°
3
62°
49°
4
63°
48°
5
62°
49°
6
64°
50°
7
65°
51°
8
66°
54°
9
65°
52°
10
61°
53°
11
64°
53°
12
61°
52°
13
65°
53°
14
64°
52°
15
65°
51°
16
62°
50°
17
59°
50°
18
59°
48°
19
61°
46°
20
60°
46°
21
59°
45°
22
59°
47°
23
60°
48°
24
60°
49°
25
58°
52°
26
58°
51°
27
62°
50°
28
62°
48°
29
58°
46°
30
57°
46°
1
57°
45°
2
58°
45°
3
57°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ulverston
Ulverston's September 2026 forecast shows daily high temperatures ranging from 57° to 66°, with overnight lows between 45° and 54°. The average high for September is 61° with an average low of 49°. 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 Ulverston. See also: October | November | December.