S
M
T
W
T
F
S
30
76°
58°
31
72°
55°
1
71°
57°
2
70°
56°
3
71°
58°
4
74°
61°
5
79°
62°
6
78°
62°
7
75°
57°
8
78°
56°
9
71°
61°
10
78°
56°
11
80°
55°
12
73°
60°
13
78°
57°
14
78°
48°
15
73°
45°
16
65°
45°
17
66°
47°
18
67°
54°
19
68°
56°
20
69°
57°
21
71°
55°
22
74°
55°
23
73°
56°
24
74°
57°
25
76°
56°
26
76°
57°
27
74°
43°
28
74°
41°
29
62°
45°
30
61°
44°
1
60°
43°
2
61°
46°
3
61°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Big Tree
Big Tree's September 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 41° and 62°. The average high for September is 72° with an average low of 53°. 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 Big Tree. See also: October | November | December.