S
M
T
W
T
F
S
30
88°
79°
31
90°
77°
1
88°
77°
2
88°
79°
3
89°
78°
4
89°
79°
5
89°
75°
6
91°
77°
7
90°
77°
8
90°
78°
9
89°
76°
10
92°
75°
11
92°
75°
12
91°
76°
13
92°
75°
14
89°
77°
15
91°
78°
16
88°
76°
17
88°
77°
18
86°
78°
19
87°
78°
20
86°
76°
21
86°
78°
22
87°
77°
23
86°
77°
24
85°
76°
25
86°
77°
26
86°
77°
27
87°
76°
28
86°
77°
29
87°
77°
30
86°
76°
1
85°
76°
2
85°
76°
3
86°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sewall's Point
Sewall's Point's September 2026 forecast shows daily high temperatures ranging from 85° to 92°, with overnight lows between 75° and 79°. The average high for September is 88° with an average low of 77°. 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 Sewall's Point. See also: October | November | December.
