S
M
T
W
T
F
S
31
73°
49°
1
76°
49°
2
78°
53°
3
81°
59°
4
80°
51°
5
80°
54°
6
66°
53°
7
66°
47°
8
68°
44°
9
73°
46°
10
75°
50°
11
77°
52°
12
76°
52°
13
72°
54°
14
78°
52°
15
78°
52°
16
80°
52°
17
78°
54°
18
83°
53°
19
72°
42°
20
71°
38°
21
78°
46°
22
80°
63°
23
72°
60°
24
74°
60°
25
72°
63°
26
75°
57°
27
78°
56°
28
81°
50°
29
77°
50°
30
76°
50°
1
66°
35°
2
71°
37°
3
78°
53°
4
82°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dundee
Dundee's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Dundee. See also: October | November | December.