S
M
T
W
T
F
S
30
73°
53°
31
77°
49°
1
76°
48°
2
70°
52°
3
72°
55°
4
76°
52°
5
77°
49°
6
76°
54°
7
70°
48°
8
68°
48°
9
68°
47°
10
72°
49°
11
74°
51°
12
74°
53°
13
70°
54°
14
66°
54°
15
65°
53°
16
65°
52°
17
66°
52°
18
64°
50°
19
65°
48°
20
64°
46°
21
65°
45°
22
63°
46°
23
64°
47°
24
68°
49°
25
69°
49°
26
70°
49°
27
Hist. Avg.
62°
46°
28
Hist. Avg.
62°
46°
29
Hist. Avg.
62°
45°
30
Hist. Avg.
61°
45°
1
Hist. Avg.
61°
45°
2
Hist. Avg.
61°
45°
3
Hist. Avg.
60°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Nanoose Bay
Nanoose Bay's September 2026 forecast shows daily high temperatures ranging from 63° to 77°, with overnight lows between 45° and 55°. The average high for September is 70° with an average low of 50°. 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 Nanoose Bay. See also: October | November | December.
