S
M
T
W
T
F
S
30
90°
56°
31
88°
55°
1
88°
56°
2
89°
54°
3
88°
55°
4
87°
54°
5
86°
54°
6
86°
55°
7
85°
55°
8
86°
54°
9
86°
54°
10
87°
55°
11
86°
54°
12
85°
59°
13
85°
59°
14
89°
58°
15
90°
59°
16
88°
56°
17
84°
59°
18
84°
60°
19
90°
61°
20
92°
57°
21
90°
57°
22
88°
56°
23
87°
56°
24
88°
55°
25
88°
56°
26
87°
53°
27
81°
57°
28
82°
58°
29
Hist. Avg.
79°
40°
30
Hist. Avg.
78°
40°
1
Hist. Avg.
78°
40°
2
Hist. Avg.
77°
40°
3
Hist. Avg.
77°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lakehead
Lakehead's September 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 53° and 61°. The average high for September is 87° 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 Lakehead. See also: October | November | December.
