S
M
T
W
T
F
S
30
92°
74°
31
89°
74°
1
89°
75°
2
90°
74°
3
89°
73°
4
89°
73°
5
90°
75°
6
91°
74°
7
92°
73°
8
91°
74°
9
92°
74°
10
92°
75°
11
91°
74°
12
92°
74°
13
92°
73°
14
91°
76°
15
90°
76°
16
90°
75°
17
89°
73°
18
88°
72°
19
88°
74°
20
89°
75°
21
88°
73°
22
88°
74°
23
89°
74°
24
90°
73°
25
89°
71°
26
88°
72°
27
88°
71°
28
89°
73°
29
89°
73°
30
90°
73°
1
Hist. Avg.
88°
72°
2
Hist. Avg.
88°
72°
3
Hist. Avg.
88°
72°
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 88° to 92°, with overnight lows between 71° and 76°. The average high for September is 90° with an average low of 74°. 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.
