S
M
T
W
T
F
S
30
67°
56°
31
76°
58°
1
77°
55°
2
74°
53°
3
68°
49°
4
67°
49°
5
75°
56°
6
69°
55°
7
69°
48°
8
65°
46°
9
Hist. Avg.
67°
48°
10
Hist. Avg.
67°
48°
11
Hist. Avg.
66°
47°
12
Hist. Avg.
66°
47°
13
Hist. Avg.
66°
47°
14
Hist. Avg.
65°
47°
15
Hist. Avg.
65°
46°
16
Hist. Avg.
65°
46°
17
Hist. Avg.
64°
46°
18
Hist. Avg.
64°
45°
19
Hist. Avg.
63°
45°
20
Hist. Avg.
63°
45°
21
Hist. Avg.
63°
44°
22
Hist. Avg.
62°
44°
23
Hist. Avg.
62°
44°
24
Hist. Avg.
61°
43°
25
Hist. Avg.
61°
43°
26
Hist. Avg.
61°
43°
27
Hist. Avg.
60°
42°
28
Hist. Avg.
60°
42°
29
Hist. Avg.
59°
42°
30
Hist. Avg.
59°
41°
1
Hist. Avg.
59°
41°
2
Hist. Avg.
58°
41°
3
Hist. Avg.
58°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Champlain
Champlain's September 2026 forecast shows daily high temperatures ranging from 65° to 77°, with overnight lows between 46° and 58°. The average high for September is 71° 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 Champlain. See also: October | November | December.
