S
M
T
W
T
F
S
30
60°
49°
31
60°
50°
1
61°
49°
2
59°
50°
3
59°
50°
4
60°
48°
5
60°
46°
6
59°
46°
7
60°
51°
8
58°
51°
9
62°
49°
10
60°
49°
11
58°
50°
12
59°
51°
13
60°
48°
14
59°
48°
15
57°
49°
16
58°
51°
17
60°
46°
18
60°
45°
19
59°
50°
20
58°
50°
21
60°
49°
22
60°
50°
23
59°
49°
24
60°
50°
25
58°
49°
26
59°
47°
27
58°
49°
28
57°
48°
29
58°
48°
30
55°
48°
1
57°
46°
2
58°
44°
3
Hist. Avg.
55°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mallaig/malaig
Mallaig/malaig's September 2026 forecast shows daily high temperatures ranging from 55° to 62°, with overnight lows between 44° and 51°. The average high for September is 59° with an average low of 49°. 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 Mallaig/malaig. See also: October | November | December.