S
M
T
W
T
F
S
30
79°
52°
31
77°
46°
1
72°
42°
2
71°
45°
3
77°
49°
4
78°
45°
5
74°
44°
6
74°
45°
7
72°
43°
8
70°
44°
9
70°
46°
10
71°
43°
11
69°
45°
12
68°
44°
13
75°
49°
14
75°
48°
15
73°
41°
16
64°
37°
17
63°
44°
18
65°
47°
19
67°
47°
20
66°
45°
21
63°
44°
22
69°
41°
23
64°
44°
24
70°
44°
25
69°
40°
26
66°
45°
27
68°
45°
28
70°
44°
29
70°
44°
30
69°
43°
1
69°
44°
2
68°
42°
3
69°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carnelian Bay
Carnelian Bay's September 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 37° and 52°. The average high for September is 70° with an average low of 44°. 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 Carnelian Bay. See also: October | November | December.
