S
M
T
W
T
F
S
30
59°
51°
31
56°
50°
1
65°
48°
2
71°
47°
3
70°
48°
4
66°
43°
5
62°
40°
6
59°
49°
7
62°
51°
8
57°
54°
9
59°
47°
10
67°
48°
11
69°
42°
12
59°
39°
13
69°
43°
14
69°
43°
15
60°
40°
16
59°
53°
17
58°
48°
18
53°
47°
19
57°
53°
20
55°
50°
21
55°
49°
22
53°
46°
23
57°
45°
24
54°
41°
25
55°
43°
26
53°
44°
27
50°
45°
28
51°
45°
29
53°
44°
30
50°
43°
1
50°
42°
2
49°
41°
3
52°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mud Bay
Mud Bay's September 2026 forecast shows daily high temperatures ranging from 49° to 55°, with overnight lows between 41° and 45°. The average high for September is 52° with an average low of 43°. 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 Mud Bay. See also: October | November | December.
