S
M
T
W
T
F
S
30
84°
62°
31
82°
73°
1
91°
73°
2
81°
72°
3
87°
73°
4
86°
74°
5
80°
65°
6
79°
62°
7
79°
62°
8
81°
62°
9
86°
67°
10
86°
75°
11
78°
64°
12
80°
62°
13
84°
73°
14
78°
59°
15
75°
55°
16
79°
56°
17
85°
71°
18
84°
66°
19
76°
67°
20
79°
69°
21
72°
62°
22
68°
61°
23
68°
61°
24
71°
62°
25
72°
58°
26
73°
55°
27
74°
59°
28
73°
59°
29
72°
60°
30
74°
57°
1
68°
60°
2
76°
62°
3
70°
61°
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 68° to 85°, with overnight lows between 55° and 71°. The average high for September is 74° with an average low of 62°. 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.
