S
M
T
W
T
F
S
30
58°
53°
31
59°
53°
1
60°
52°
2
59°
54°
3
60°
52°
4
60°
54°
5
61°
53°
6
59°
52°
7
58°
52°
8
59°
53°
9
58°
51°
10
57°
51°
11
56°
52°
12
56°
52°
13
57°
50°
14
57°
50°
15
56°
49°
16
57°
50°
17
55°
49°
18
57°
50°
19
56°
48°
20
57°
50°
21
56°
49°
22
55°
48°
23
55°
47°
24
54°
47°
25
54°
49°
26
55°
51°
27
55°
48°
28
56°
47°
29
54°
47°
30
54°
49°
1
56°
48°
2
56°
49°
3
55°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Orkney
Orkney's September 2026 forecast shows daily high temperatures ranging from 54° to 61°, with overnight lows between 46° and 54°. The average high for September is 57° 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 Orkney. See also: October | November | December.
