S
M
T
W
T
F
S
30
62°
52°
31
62°
49°
1
61°
51°
2
61°
53°
3
62°
48°
4
62°
47°
5
61°
48°
6
62°
49°
7
64°
50°
8
63°
54°
9
64°
51°
10
60°
53°
11
62°
53°
12
60°
52°
13
64°
53°
14
63°
52°
15
64°
51°
16
61°
49°
17
58°
50°
18
58°
48°
19
61°
46°
20
59°
46°
21
58°
45°
22
58°
46°
23
57°
47°
24
58°
49°
25
57°
51°
26
57°
51°
27
61°
49°
28
60°
47°
29
56°
46°
30
56°
45°
1
57°
44°
2
55°
44°
3
55°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Shelley
Shelley's September 2026 forecast shows daily high temperatures ranging from 55° to 64°, with overnight lows between 44° and 54°. The average high for September is 60° 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 Shelley. See also: October | November | December.