S
M
T
W
T
F
S
30
76°
47°
31
81°
54°
1
83°
53°
2
80°
45°
3
82°
50°
4
82°
54°
5
81°
49°
6
80°
49°
7
78°
51°
8
82°
53°
9
84°
50°
10
83°
47°
11
89°
47°
12
77°
48°
13
82°
49°
14
85°
51°
15
84°
51°
16
84°
50°
17
81°
46°
18
77°
44°
19
81°
49°
20
80°
48°
21
79°
45°
22
80°
47°
23
80°
49°
24
79°
47°
25
78°
43°
26
77°
48°
27
76°
46°
28
70°
42°
29
75°
44°
30
76°
44°
1
75°
45°
2
74°
44°
3
66°
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 66° to 89°, with overnight lows between 39° and 54°. The average high for September is 79° with an average low of 48°. 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.
