S
M
T
W
T
F
S
30
57°
48°
31
58°
49°
1
56°
48°
2
57°
47°
3
55°
48°
4
55°
49°
5
56°
50°
6
57°
51°
7
58°
50°
8
57°
51°
9
58°
50°
10
57°
51°
11
57°
50°
12
56°
51°
13
59°
51°
14
59°
50°
15
58°
49°
16
58°
48°
17
55°
45°
18
55°
45°
19
53°
47°
20
54°
47°
21
53°
46°
22
54°
47°
23
53°
46°
24
53°
46°
25
54°
45°
26
53°
44°
27
53°
42°
28
52°
43°
29
51°
44°
30
51°
45°
1
52°
46°
2
53°
46°
3
52°
44°
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 51° to 59°, with overnight lows between 42° and 51°. The average high for September is 55° with an average low of 47°. 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.
