S
M
T
W
T
F
S
30
93°
75°
31
92°
74°
1
97°
73°
2
98°
69°
3
97°
78°
4
97°
76°
5
94°
75°
6
94°
73°
7
87°
72°
8
92°
68°
9
83°
55°
10
84°
62°
11
86°
59°
12
83°
57°
13
75°
55°
14
74°
49°
15
73°
51°
16
74°
53°
17
77°
53°
18
74°
52°
19
69°
51°
20
76°
50°
21
81°
56°
22
80°
55°
23
80°
56°
24
78°
56°
25
72°
55°
26
72°
55°
27
79°
54°
28
76°
55°
29
74°
53°
30
76°
48°
1
65°
44°
2
64°
41°
3
63°
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 63° to 92°, with overnight lows between 39° and 72°. The average high for September is 77° 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.
