S
M
T
W
T
F
S
30
79°
59°
31
81°
56°
1
81°
53°
2
74°
52°
3
71°
52°
4
71°
53°
5
72°
51°
6
73°
60°
7
78°
62°
8
81°
54°
9
77°
52°
10
72°
51°
11
72°
59°
12
75°
51°
13
75°
50°
14
70°
49°
15
70°
54°
16
71°
57°
17
75°
48°
18
69°
50°
19
69°
49°
20
73°
46°
21
67°
51°
22
66°
57°
23
76°
56°
24
76°
54°
25
74°
56°
26
73°
56°
27
75°
54°
28
74°
53°
29
72°
54°
30
72°
54°
1
74°
43°
2
74°
41°
3
61°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chanhassen
Chanhassen's September 2026 forecast shows daily high temperatures ranging from 61° to 81°, with overnight lows between 41° and 62°. The average high for September is 73° with an average low of 53°. 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 Chanhassen. See also: October | November | December.
