S
M
T
W
T
F
S
30
55°
54°
31
59°
48°
1
59°
50°
2
55°
48°
3
63°
54°
4
59°
52°
5
57°
52°
6
61°
54°
7
63°
52°
8
57°
52°
9
55°
48°
10
59°
52°
11
60°
54°
12
62°
51°
13
59°
55°
14
62°
53°
15
58°
51°
16
58°
56°
17
56°
51°
18
57°
51°
19
58°
50°
20
58°
52°
21
58°
51°
22
57°
50°
23
58°
52°
24
57°
53°
25
55°
52°
26
54°
51°
27
54°
51°
28
55°
50°
29
54°
53°
30
54°
53°
1
56°
52°
2
57°
53°
3
57°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stromness
Stromness's September 2026 forecast shows daily high temperatures ranging from 54° to 62°, with overnight lows between 50° and 56°. The average high for September is 57° with an average low of 52°. 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 Stromness. See also: October | November | December.
