S
M
T
W
T
F
S
30
82°
65°
31
86°
64°
1
86°
64°
2
84°
62°
3
86°
64°
4
86°
64°
5
88°
63°
6
89°
64°
7
89°
64°
8
90°
62°
9
90°
62°
10
89°
63°
11
86°
61°
12
93°
55°
13
88°
61°
14
89°
59°
15
90°
49°
16
77°
45°
17
74°
49°
18
76°
54°
19
83°
56°
20
74°
56°
21
82°
53°
22
85°
49°
23
82°
47°
24
79°
46°
25
79°
46°
26
81°
49°
27
83°
41°
28
72°
50°
29
80°
53°
30
81°
53°
1
86°
37°
2
83°
36°
3
67°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Logan
Logan's September 2026 forecast shows daily high temperatures ranging from 67° to 93°, with overnight lows between 36° and 65°. The average high for September is 83° with an average low of 54°. 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 Logan. See also: October | November | December.
