S
M
T
W
T
F
S
30
86°
68°
31
86°
68°
1
90°
68°
2
90°
68°
3
93°
70°
4
91°
70°
5
84°
70°
6
81°
68°
7
82°
68°
8
89°
68°
9
92°
70°
10
88°
66°
11
82°
68°
12
86°
69°
13
88°
70°
14
88°
69°
15
89°
70°
16
82°
63°
17
82°
63°
18
79°
59°
19
76°
57°
20
79°
58°
21
78°
57°
22
81°
62°
23
83°
62°
24
83°
61°
25
84°
63°
26
84°
62°
27
83°
62°
28
84°
61°
29
83°
62°
30
83°
61°
1
82°
61°
2
80°
54°
3
73°
49°
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 73° to 92°, with overnight lows between 49° and 70°. The average high for September is 83° with an average low of 63°. 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.
