S
M
T
W
T
F
S
30
74°
51°
31
72°
49°
1
72°
44°
2
72°
47°
3
61°
56°
4
71°
59°
5
67°
49°
6
66°
48°
7
74°
50°
8
62°
39°
9
62°
34°
10
75°
51°
11
61°
42°
12
73°
37°
13
66°
49°
14
66°
43°
15
63°
36°
16
71°
54°
17
63°
47°
18
61°
40°
19
58°
37°
20
59°
41°
21
58°
37°
22
58°
35°
23
64°
41°
24
65°
42°
25
64°
43°
26
66°
43°
27
62°
42°
28
61°
43°
29
62°
45°
30
64°
38°
1
62°
42°
2
60°
38°
3
54°
36°
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 66°, with overnight lows between 35° and 47°. The average high for September is 61° with an average low of 41°. 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.
