S
M
T
W
T
F
S
30
71°
55°
31
70°
52°
1
69°
63°
2
72°
57°
3
73°
55°
4
71°
54°
5
71°
53°
6
71°
48°
7
76°
47°
8
73°
60°
9
68°
58°
10
65°
44°
11
69°
37°
12
74°
50°
13
68°
45°
14
61°
42°
15
63°
44°
16
69°
45°
17
68°
42°
18
59°
42°
19
62°
38°
20
62°
40°
21
53°
38°
22
60°
38°
23
64°
44°
24
66°
36°
25
66°
35°
26
71°
41°
27
71°
51°
28
70°
41°
29
71°
45°
30
65°
56°
1
63°
54°
2
59°
35°
3
60°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Bay
North Bay's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 North Bay. See also: October | November | December.
