S
M
T
W
T
F
S
30
87°
60°
31
91°
67°
1
92°
70°
2
94°
70°
3
94°
68°
4
88°
68°
5
81°
60°
6
81°
53°
7
81°
58°
8
83°
61°
9
87°
65°
10
84°
60°
11
81°
61°
12
82°
60°
13
79°
60°
14
78°
54°
15
80°
53°
16
80°
58°
17
79°
56°
18
77°
57°
19
82°
57°
20
80°
56°
21
80°
57°
22
79°
55°
23
77°
52°
24
73°
54°
25
79°
55°
26
78°
53°
27
73°
48°
28
68°
45°
29
67°
44°
30
68°
44°
1
66°
42°
2
70°
51°
3
72°
50°
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 94°, with overnight lows between 42° and 70°. The average high for September is 79° with an average low of 56°. 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.
