S
M
T
W
T
F
S
30
58°
50°
31
57°
48°
1
58°
44°
2
61°
44°
3
62°
51°
4
59°
49°
5
57°
46°
6
56°
43°
7
55°
44°
8
54°
46°
9
54°
40°
10
55°
45°
11
56°
42°
12
59°
44°
13
56°
46°
14
59°
48°
15
54°
47°
16
54°
44°
17
53°
46°
18
52°
42°
19
53°
41°
20
53°
46°
21
52°
44°
22
53°
45°
23
52°
43°
24
Hist. Avg.
54°
43°
25
Hist. Avg.
54°
43°
26
Hist. Avg.
54°
42°
27
Hist. Avg.
53°
42°
28
Hist. Avg.
53°
42°
29
Hist. Avg.
53°
42°
30
Hist. Avg.
52°
42°
1
Hist. Avg.
52°
41°
2
Hist. Avg.
52°
41°
3
Hist. Avg.
52°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Tee Harbor
Tee Harbor's September 2026 forecast shows daily high temperatures ranging from 52° to 62°, with overnight lows between 40° and 51°. The average high for September is 56° with an average low of 45°. 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 Tee Harbor. See also: October | November | December.
