S
M
T
W
T
F
S
30
76°
55°
31
76°
52°
1
73°
51°
2
71°
50°
3
76°
54°
4
76°
53°
5
73°
54°
6
75°
53°
7
75°
53°
8
68°
52°
9
74°
53°
10
76°
53°
11
74°
52°
12
74°
50°
13
69°
50°
14
70°
49°
15
61°
47°
16
61°
49°
17
66°
47°
18
67°
50°
19
72°
51°
20
71°
49°
21
65°
48°
22
60°
46°
23
59°
44°
24
58°
45°
25
65°
48°
26
68°
47°
27
69°
49°
28
69°
49°
29
68°
48°
30
64°
46°
1
65°
45°
2
62°
44°
3
59°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bagley
Bagley's September 2026 forecast shows daily high temperatures ranging from 58° to 76°, with overnight lows between 44° and 55°. The average high for September is 69° 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 Bagley. See also: October | November | December.