S
M
T
W
T
F
S
31
89°
72°
1
86°
71°
2
94°
73°
3
91°
75°
4
85°
70°
5
87°
70°
6
86°
69°
7
86°
68°
8
87°
70°
9
86°
71°
10
87°
78°
11
87°
78°
12
85°
75°
13
87°
71°
14
87°
71°
15
85°
71°
16
87°
69°
17
89°
71°
18
85°
73°
19
87°
75°
20
84°
70°
21
83°
67°
22
83°
66°
23
83°
67°
24
85°
72°
25
85°
70°
26
82°
69°
27
81°
70°
28
81°
69°
29
82°
67°
30
82°
65°
1
82°
66°
2
79°
65°
3
76°
64°
4
76°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in St. Paul's Bay
St. Paul's Bay's September 2025 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 St. Paul's Bay. See also: October | November | December.