S
M
T
W
T
F
S
30
77°
62°
31
78°
62°
1
74°
57°
2
80°
64°
3
84°
61°
4
84°
58°
5
79°
53°
6
78°
54°
7
78°
61°
8
81°
56°
9
81°
51°
10
72°
50°
11
70°
50°
12
70°
51°
13
72°
54°
14
71°
48°
15
69°
46°
16
67°
47°
17
68°
46°
18
68°
47°
19
67°
47°
20
68°
48°
21
69°
52°
22
73°
55°
23
73°
46°
24
76°
55°
25
72°
53°
26
74°
43°
27
65°
52°
28
66°
53°
29
66°
50°
30
67°
50°
1
65°
45°
2
61°
46°
3
62°
51°
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 84°, with overnight lows between 43° and 64°. The average high for September is 72° with an average low of 52°. 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.
