S
M
T
W
T
F
S
30
82°
55°
31
81°
58°
1
80°
57°
2
81°
58°
3
80°
58°
4
80°
57°
5
79°
57°
6
78°
56°
7
78°
56°
8
77°
55°
9
78°
55°
10
77°
54°
11
78°
54°
12
79°
55°
13
79°
55°
14
78°
54°
15
77°
55°
16
77°
54°
17
76°
54°
18
73°
51°
19
72°
43°
20
68°
51°
21
69°
52°
22
70°
43°
23
68°
43°
24
67°
45°
25
69°
49°
26
73°
49°
27
67°
44°
28
67°
43°
29
65°
43°
30
65°
45°
1
66°
50°
2
67°
44°
3
67°
39°
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 65° to 82°, with overnight lows between 39° and 58°. The average high for September is 74° with an average low of 51°. 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.
