S
M
T
W
T
F
S
30
61°
57°
31
63°
57°
1
63°
50°
2
63°
54°
3
61°
52°
4
57°
47°
5
52°
39°
6
51°
40°
7
57°
54°
8
60°
53°
9
59°
48°
10
57°
45°
11
55°
48°
12
57°
47°
13
55°
47°
14
56°
47°
15
57°
46°
16
56°
47°
17
52°
44°
18
57°
41°
19
57°
43°
20
56°
45°
21
57°
45°
22
57°
44°
23
56°
45°
24
57°
45°
25
56°
44°
26
55°
44°
27
56°
43°
28
54°
43°
29
54°
42°
30
53°
40°
1
52°
39°
2
49°
39°
3
52°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Luleå
Luleå's September 2026 forecast shows daily high temperatures ranging from 49° to 60°, with overnight lows between 36° and 54°. The average high for September is 55° with an average low of 44°. 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 Luleå. See also: October | November | December.
