S
M
T
W
T
F
S
30
62°
44°
31
63°
44°
1
63°
45°
2
58°
44°
3
56°
44°
4
56°
45°
5
55°
48°
6
56°
45°
7
55°
44°
8
56°
45°
9
54°
43°
10
54°
43°
11
53°
44°
12
53°
42°
13
54°
42°
14
53°
43°
15
53°
43°
16
54°
40°
17
54°
48°
18
56°
47°
19
55°
42°
20
54°
42°
21
52°
41°
22
54°
41°
23
56°
42°
24
55°
44°
25
51°
42°
26
54°
45°
27
54°
44°
28
51°
43°
29
53°
40°
30
49°
41°
1
51°
43°
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
September Weather in Tee Harbor
Tee Harbor's September 2026 forecast shows daily high temperatures ranging from 49° to 63°, with overnight lows between 40° and 48°. The average high for September is 55° with an average low of 43°. 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.
