S
M
T
W
T
F
S
30
71°
56°
31
73°
54°
1
74°
50°
2
73°
48°
3
71°
48°
4
73°
49°
5
76°
52°
6
73°
54°
7
76°
53°
8
70°
53°
9
74°
52°
10
78°
52°
11
76°
53°
12
76°
52°
13
75°
53°
14
77°
52°
15
76°
46°
16
72°
43°
17
66°
47°
18
65°
52°
19
74°
51°
20
73°
50°
21
74°
42°
22
72°
40°
23
63°
39°
24
Hist. Avg.
67°
48°
25
Hist. Avg.
67°
48°
26
Hist. Avg.
66°
48°
27
Hist. Avg.
66°
47°
28
Hist. Avg.
66°
47°
29
Hist. Avg.
65°
46°
30
Hist. Avg.
64°
46°
1
Hist. Avg.
64°
46°
2
Hist. Avg.
64°
45°
3
Hist. Avg.
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Castorland
Castorland's September 2026 forecast shows daily high temperatures ranging from 63° to 78°, with overnight lows between 39° and 56°. The average high for September is 73° with an average low of 50°. 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 Castorland. See also: October | November | December.
