S
M
T
W
T
F
S
26
52°
38°
27
46°
31°
28
46°
31°
29
44°
36°
30
39°
34°
1
37°
34°
2
47°
32°
3
38°
32°
4
51°
35°
5
50°
39°
6
49°
39°
7
56°
39°
8
49°
37°
9
49°
35°
10
45°
38°
11
53°
39°
12
49°
35°
13
56°
36°
14
51°
35°
15
56°
41°
16
70°
42°
17
60°
42°
18
55°
36°
19
52°
41°
20
56°
38°
21
46°
38°
22
49°
37°
23
58°
36°
24
62°
40°
25
49°
42°
26
46°
39°
27
42°
36°
28
48°
38°
29
50°
38°
30
52°
38°
31
52°
40°
1
56°
41°
2
57°
43°
3
63°
47°
4
69°
47°
5
59°
47°
6
65°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sept-Îles
Sept-Îles's May 2026 forecast shows daily high temperatures ranging from 42° to 69°, with overnight lows between 36° and 47°. The average high for May is 55° with an average low of 42°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Sept-Îles. See also: June | July | August.
