S
M
T
W
T
F
S
30
73°
55°
31
74°
53°
1
66°
50°
2
65°
48°
3
65°
47°
4
67°
48°
5
70°
53°
6
72°
53°
7
72°
52°
8
71°
52°
9
72°
51°
10
70°
52°
11
71°
52°
12
72°
51°
13
71°
53°
14
63°
40°
15
61°
39°
16
61°
42°
17
64°
41°
18
61°
38°
19
59°
39°
20
60°
37°
21
58°
48°
22
66°
47°
23
67°
39°
24
63°
35°
25
56°
44°
26
61°
45°
27
65°
46°
28
65°
46°
29
62°
38°
30
60°
34°
1
54°
37°
2
56°
36°
3
59°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stockholm
Stockholm's September 2026 forecast shows daily high temperatures ranging from 54° to 74°, with overnight lows between 33° and 55°. The average high for September is 65° with an average low of 45°. 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 Stockholm. See also: October | November | December.
