S
M
T
W
T
F
S
30
57°
52°
31
59°
54°
1
57°
52°
2
54°
46°
3
57°
50°
4
59°
54°
5
57°
54°
6
57°
54°
7
59°
54°
8
59°
48°
9
54°
48°
10
57°
50°
11
57°
54°
12
57°
54°
13
57°
50°
14
57°
54°
15
55°
50°
16
54°
50°
17
55°
54°
18
55°
52°
19
57°
54°
20
55°
52°
21
55°
52°
22
57°
50°
23
55°
50°
24
55°
41°
25
56°
50°
26
56°
51°
27
57°
48°
28
55°
49°
29
56°
52°
30
59°
54°
1
57°
51°
2
56°
51°
3
56°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lerwick
Lerwick's September 2026 forecast shows daily high temperatures ranging from 55° to 59°, with overnight lows between 48° and 54°. The average high for September is 56° 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 Lerwick. See also: October | November | December.
