S
M
T
W
T
F
S
30
66°
57°
31
64°
54°
1
68°
52°
2
66°
57°
3
70°
59°
4
64°
57°
5
64°
55°
6
N/A
7
70°
53°
8
64°
52°
9
63°
49°
10
65°
57°
11
65°
50°
12
66°
55°
13
67°
55°
14
69°
54°
15
66°
51°
16
65°
54°
17
65°
53°
18
66°
54°
19
63°
52°
20
65°
53°
21
66°
54°
22
66°
53°
23
65°
53°
24
66°
51°
25
62°
48°
26
62°
47°
27
64°
46°
28
64°
47°
29
63°
51°
30
62°
49°
1
62°
48°
2
63°
49°
3
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Widnes
Widnes's September 2026 forecast shows daily high temperatures ranging from 62° to 70°, with overnight lows between 46° and 57°. The average high for September is 65° 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 Widnes. See also: October | November | December.
