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
83°
69°
18
84°
67°
19
77°
63°
20
81°
71°
21
75°
64°
22
67°
62°
23
67°
59°
24
66°
57°
25
66°
57°
26
68°
56°
27
66°
59°
28
69°
58°
29
74°
60°
30
73°
63°
1
75°
65°
2
72°
60°
3
73°
59°
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 66° to 75°, with overnight lows between 56° and 65°. The average high for September is 70° with an average low of 59°. 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.
