S
M
T
W
T
F
S
30
68°
47°
31
70°
50°
1
70°
51°
2
71°
52°
3
71°
50°
4
69°
48°
5
64°
41°
6
60°
43°
7
61°
49°
8
62°
49°
9
67°
50°
10
68°
42°
11
65°
47°
12
60°
46°
13
65°
47°
14
63°
48°
15
65°
41°
16
61°
37°
17
57°
38°
18
57°
45°
19
57°
43°
20
60°
36°
21
57°
37°
22
Hist. Avg.
57°
35°
23
Hist. Avg.
57°
35°
24
Hist. Avg.
56°
35°
25
Hist. Avg.
56°
34°
26
Hist. Avg.
56°
34°
27
Hist. Avg.
56°
34°
28
Hist. Avg.
55°
34°
29
Hist. Avg.
55°
33°
30
Hist. Avg.
55°
33°
1
Hist. Avg.
54°
33°
2
Hist. Avg.
54°
32°
3
Hist. Avg.
54°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bay Tree
Bay Tree's September 2026 forecast shows daily high temperatures ranging from 57° to 71°, with overnight lows between 36° and 52°. The average high for September is 64° 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 Bay Tree. See also: October | November | December.
