S
M
T
W
T
F
S
30
60°
52°
31
60°
52°
1
61°
53°
2
61°
52°
3
60°
53°
4
62°
53°
5
61°
52°
6
60°
51°
7
59°
52°
8
60°
52°
9
58°
50°
10
58°
51°
11
59°
49°
12
57°
51°
13
58°
49°
14
58°
50°
15
57°
48°
16
58°
50°
17
56°
48°
18
57°
49°
19
56°
48°
20
57°
49°
21
56°
49°
22
55°
47°
23
56°
47°
24
55°
46°
25
55°
49°
26
56°
51°
27
56°
47°
28
57°
46°
29
55°
46°
30
54°
47°
1
54°
48°
2
56°
49°
3
55°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Thurso
Thurso's September 2026 forecast shows daily high temperatures ranging from 54° to 62°, with overnight lows between 44° and 53°. The average high for September is 58° 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 Thurso. See also: October | November | December.
