S
M
T
W
T
F
S
30
78°
62°
31
77°
61°
1
77°
62°
2
78°
63°
3
76°
66°
4
77°
62°
5
79°
61°
6
78°
62°
7
77°
60°
8
76°
61°
9
76°
60°
10
77°
64°
11
76°
59°
12
76°
59°
13
75°
60°
14
77°
62°
15
77°
65°
16
79°
63°
17
75°
58°
18
74°
57°
19
74°
58°
20
75°
63°
21
74°
57°
22
73°
60°
23
76°
62°
24
77°
63°
25
78°
62°
26
77°
54°
27
77°
55°
28
70°
54°
29
70°
53°
30
69°
53°
1
Hist. Avg.
74°
56°
2
Hist. Avg.
73°
56°
3
Hist. Avg.
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stone Harbor
Stone Harbor's September 2026 forecast shows daily high temperatures ranging from 69° to 79°, with overnight lows between 53° and 66°. The average high for September is 76° with an average low of 60°. 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 Stone Harbor. See also: October | November | December.
