S
M
T
W
T
F
S
30
81°
57°
31
81°
65°
1
90°
69°
2
83°
68°
3
86°
66°
4
83°
68°
5
80°
60°
6
73°
57°
7
77°
52°
8
81°
59°
9
84°
70°
10
75°
56°
11
77°
54°
12
78°
64°
13
81°
62°
14
78°
60°
15
80°
62°
16
77°
56°
17
76°
57°
18
71°
50°
19
70°
48°
20
73°
49°
21
72°
51°
22
71°
56°
23
73°
55°
24
73°
55°
25
74°
54°
26
77°
53°
27
74°
49°
28
75°
54°
29
76°
55°
30
77°
54°
1
76°
53°
2
74°
52°
3
73°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Castanea
Castanea's September 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 48° and 70°. The average high for September is 76° with an average low of 55°. 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 Castanea. See also: October | November | December.
