S
M
T
W
T
F
S
30
64°
54°
31
59°
50°
1
59°
46°
2
60°
54°
3
63°
54°
4
60°
51°
5
61°
51°
6
60°
53°
7
58°
50°
8
58°
46°
9
56°
47°
10
55°
46°
11
58°
50°
12
58°
49°
13
59°
50°
14
60°
52°
15
59°
52°
16
60°
51°
17
59°
51°
18
59°
50°
19
58°
51°
20
59°
51°
21
59°
50°
22
58°
50°
23
56°
49°
24
55°
50°
25
59°
51°
26
58°
50°
27
59°
51°
28
59°
50°
29
58°
51°
30
59°
50°
1
59°
50°
2
58°
49°
3
59°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stornoway/steornabhagh
Stornoway/steornabhagh's September 2026 forecast shows daily high temperatures ranging from 55° to 63°, with overnight lows between 46° and 54°. The average high for September is 59° with an average low of 50°. 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 Stornoway/steornabhagh. See also: October | November | December.
