S
M
T
W
T
F
S
30
77°
65°
31
84°
71°
1
87°
72°
2
94°
70°
3
89°
69°
4
82°
66°
5
81°
57°
6
78°
57°
7
79°
59°
8
79°
67°
9
85°
64°
10
79°
58°
11
76°
57°
12
75°
58°
13
78°
57°
14
79°
58°
15
80°
56°
16
79°
53°
17
79°
58°
18
73°
57°
19
79°
58°
20
78°
58°
21
78°
57°
22
77°
56°
23
74°
53°
24
72°
55°
25
77°
56°
26
74°
52°
27
65°
49°
28
65°
46°
29
64°
47°
30
64°
43°
1
63°
44°
2
63°
49°
3
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dundee
Dundee's September 2026 forecast shows daily high temperatures ranging from 63° to 89°, with overnight lows between 43° and 69°. The average high for September is 75° with an average low of 56°. 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.
