S
M
T
W
T
F
S
30
63°
55°
31
66°
52°
1
64°
54°
2
63°
54°
3
66°
57°
4
64°
55°
5
64°
50°
6
68°
55°
7
64°
54°
8
61°
54°
9
64°
48°
10
63°
50°
11
66°
48°
12
68°
50°
13
64°
50°
14
66°
53°
15
64°
49°
16
61°
51°
17
62°
48°
18
62°
48°
19
60°
46°
20
59°
47°
21
61°
47°
22
61°
45°
23
60°
48°
24
62°
48°
25
58°
48°
26
58°
46°
27
57°
48°
28
58°
44°
29
56°
43°
30
57°
48°
1
58°
46°
2
57°
48°
3
58°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dunkeld
Dunkeld's September 2026 forecast shows daily high temperatures ranging from 56° to 68°, with overnight lows between 43° and 53°. The average high for September is 61° with an average low of 48°. 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 Dunkeld. See also: October | November | December.