S
M
T
W
T
F
S
30
93°
76°
31
92°
76°
1
93°
75°
2
93°
76°
3
92°
76°
4
93°
75°
5
92°
74°
6
92°
74°
7
91°
71°
8
88°
71°
9
88°
72°
10
91°
72°
11
91°
70°
12
88°
73°
13
90°
72°
14
91°
73°
15
90°
72°
16
89°
72°
17
90°
69°
18
89°
71°
19
86°
72°
20
89°
67°
21
86°
67°
22
84°
66°
23
84°
69°
24
85°
70°
25
85°
70°
26
88°
69°
27
88°
70°
28
86°
70°
29
87°
69°
30
85°
67°
1
86°
68°
2
87°
63°
3
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grand Point
Grand Point's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 63° and 76°. The average high for September is 89° with an average low of 71°. 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 Grand Point. See also: October | November | December.
