S
M
T
W
T
F
S
30
70°
59°
31
64°
57°
1
68°
55°
2
64°
59°
3
68°
60°
4
66°
58°
5
64°
56°
6
73°
56°
7
66°
57°
8
61°
55°
9
63°
52°
10
63°
48°
11
63°
54°
12
66°
53°
13
66°
59°
14
70°
60°
15
65°
56°
16
61°
54°
17
60°
55°
18
64°
56°
19
62°
52°
20
60°
54°
21
64°
57°
22
65°
53°
23
63°
53°
24
64°
50°
25
61°
50°
26
61°
52°
27
62°
51°
28
61°
52°
29
62°
48°
30
62°
49°
1
61°
48°
2
61°
43°
3
56°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Workington
Workington's September 2026 forecast shows daily high temperatures ranging from 56° to 65°, with overnight lows between 42° and 57°. The average high for September is 62° with an average low of 51°. 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 Workington. See also: October | November | December.