S
M
T
W
T
F
S
28
69°
53°
29
80°
56°
30
76°
58°
1
64°
55°
2
64°
54°
3
75°
55°
4
67°
55°
5
69°
54°
6
82°
54°
7
84°
57°
8
84°
55°
9
80°
60°
10
75°
59°
11
72°
58°
12
80°
54°
13
76°
57°
14
79°
59°
15
69°
59°
16
63°
55°
17
68°
54°
18
73°
52°
19
59°
52°
20
71°
55°
21
64°
54°
22
61°
53°
23
64°
53°
24
70°
51°
25
69°
52°
26
70°
57°
27
69°
59°
28
66°
58°
29
67°
58°
30
72°
58°
31
71°
59°
1
68°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sept-Îles
Sept-Îles's July 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for July is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Sept-Îles. See also: August | September | October.